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Research Highlights

            

2021

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MAPEX Research Highlights|

A modeling approach for unveiling adsorption of toxic ions on iron oxide nanocrystals

Inna Kurganskaya, Nabeel Khan Niazi, Andreas Luttge

Journal of Hazardous Materials (2021) 417, 5

https://doi.org/10.1016/j.jhazmat.2021.126005

The era of advanced computer simulations in materials science enables a great potential to design in silico computational experiments for (nano-)material…

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a green sheet
MAPEX Research Highlights|

Temperature increase on folded solar sail membranes

P. Seefeldt, B. Dachwald

Advances in Space Research (2021) 67 (9), 2688-2695

https://doi.org/10.1016/j.asr.2020.09.026

All currently considered solar sail designs require the deployment of a thin reflective membrane. This membrane is stowed using some folding technique and sometimes coiled onto a…

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MAPEX Research Highlights|

Efficient Thin Polymer Coating as a Selective Thermal Emitter for Passive Daytime Radiative Cooling

Udayan Banik, Ashutosh Agrawal, Hosni Meddeb, Oleg Sergeev, Nies Reininghaus, Maximilian Götz-Köhler, Kai Gehrke, Jonas Stührenberg, Martin Vehse, Maciej Sznajder and Carsten Agert

American Chemical Society (2021) 13 (20), 24130-24137

https://doi.org/10.1021/acsami.1c04056

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a white big dome and solar panels
MAPEX Research Highlights|

Crew self-organization and group-living habits during three autonomous, long-duration Mars analog missions

C. Heinicke, L. Poulet, J. Dunn, A. Meier

Acta Astronautica (2021) 182, 160-178.

https://doi.org/10.1016/j.actaastro.2021.01.049

Analog environments for simulating aspects of spaceflight are being utilized for studying the psychological effects of the projected journey to Mars. In 2016, a series…

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picture
MAPEX Research Highlights|

Particle-oriented peening as method to investigate the material dependent deformation behaviour

Nicole Wielki, Heike Sonnenberg, Daniel Meyer, Brigitte Clausen

Journal of Materials Processing Technology (2021) 289, 116960. 

https://doi.org/10.1016/j.jmatprotec.2020.116960

The material and its microstructure define the behaviour of a part in a deformation process. A single particle…

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Übersicht
MAPEX Research Highlights|

A Low-Pressure, N2/CO2 Atmosphere Is Suitable for Cyanobacterium-Based Life-Support Systems on Mars

Cyprien Verseux, Christiane Heinicke, Tiago P. Ramalho, Jonathan Determann, Malte Duckhorn, Michael Smagin, Marc Avila

Front. Microbiol. (2021).

doi: 10.3389/fmicb.2021.611798

Press release ZARM

ZDF Heute feature

The leading space agencies aim for crewed missions to Mars in the coming decades.…

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picture
MAPEX Research Highlights|

High-Throughput Screening of Synergistic Transition Metal Dual-Atom Catalysts for Efficient Nitrogen Fixation

Xingshuai Lv, Wei Wei, Baibiao Huang, Ying Dai and Thomas Frauenheim

Nano Letters (2021) 21, 1871-1878

https://doi.org/10.1021/acs.nanolett.0c05080

Great enthusiasm in single-atom catalysts (SACs) for the nitrogen reduction reaction (NRR) has been aroused by the discovery of metal–Nx as a…

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picture
MAPEX Research Highlights|

Electron-Induced Processing of Methanol Ice

Fabian Schmidt, Petra Swiderek and Jan H. Bredehöft

ACS Earth Space Chem. (2021) 5, 391-408

https://doi.org/10.1021/acsearthspacechem.0c00250

The formation of methane (CH4), formaldehyde (H2CO), ethylene glycol (HOCH2CH2OH), methoxymethanol (CH3OCH2OH), dimethyl ether (CH3OCH3), and ethanol (CH3…

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2020

figure
MAPEX Research Highlights|

Intermolecular conical intersections in molecular aggregates

Antonietta De Sio, Ephraim Sommer, Xuan Trung Nguyen, Lynn Groß, Duško Popović, Benjamin Tyler Nebgen, Sebastian Fernandez-Alberti, Stefano Pittalis, Carlo Andrea Rozzi, Elisa Molinari, Elena Mena-Osteritz, Peter Bäuerle, Thomas Frauenheim, Sergei Tretiak & Christoph Lienau

Nat. Nanotechnol.

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Figure
MAPEX Research Highlights|

Towards automation of wind energy rotor blade production: a review of challenges and application examples

Jan-Hendrik Ohlendorf, Marvin Richrath, Jan Franke, Michael Brink, Klaus-Dieter Thoben

ADVANCED MANUFACTURING: POLYMER & COMPOSITES SCIENCE (2020)

doi: 10.1080/20550340.2020.1838224

Current wind turbine rotor blades have a significant impact on the cost of the turbine, which is mainly a…

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Strukturen
MAPEX Research Highlights|

Deconfinement of Mott localized electrons into topological and spin–orbit-coupled Dirac fermions

José M. Pizarro, Severino Adler, Karim Zantout, Thomas Mertz, Paolo Barone, Roser Valentí, Giorgio Sangiovanni, Tim O. Wehling

npj Quantum Materials (2020) 5, Article number: 79

doi: 10.1038/s41535-020-00277-3

The interplay of electronic correlations, spin–orbit coupling and topology holds…

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Figure from paper
MAPEX Research Highlights|

Influence of plasmon excitations on atomic-resolution quantitative 4D scanning transmission electron microscopy

A. Beyer, F.F. Krause, H.L. Robert, S. Firoozabadi, T. Grieb, P. Kükelhan, D. Heimes, M. Schowalter, K. Müller-Caspary, A. Rosenauer, K. Volz

Scientific Reports (2020) 10 (1), art. no. 17890

doi: 10.1038/s41598-020-74434-w

Scanning transmission electron microscopy (STEM) allows to gain…

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Figure from paper
MAPEX Research Highlights|

Controlled Laser-Thinning of MoS2Nanolayers and Transformation to Amorphous MoOxfor 2D Monolayer Fabrication

C. Tessarek, O. Gridenco, M. Wiesing, J. Müssener, S. Figge, K. Sebald, J. Gutowski, M. Eickhoff

ACS Applied Nano Materials (2020) 3 (8), 7490-7498.

doi:10.1021/acsanm.0c01104

Laser-thinning of 2D materials such as MoS2 is a promising approach for a local reduction of the number of multilayers…

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Microfibers
MAPEX Research Highlights|

Wet-spinning of magneto-responsivehelical chitosan microfibers

Dorothea Brüggemann, Johanna Michel, Naiana Suter, Matheus Grande de Aguiar, Michael Maas

Beilstein J. Nanotechnology (2020) 11, 991–999.

doi:10.3762/bjnano.11.83

Helical structures can be found in nature at various length scales ranging from the molecular level to the macroscale. Due to…

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Simulation eines turbulenten Blutstroms
MAPEX Research Highlights|

Nonlinear hydrodynamic instability and turbulence in pulsatile flow

Duo Xu, Atul Varshney, Xingyu Ma, Baofang Song, Michael Riedl, Marc Avila, Björn Hof

PNAS (2020) 117, 11233-11239

https://doi.org/10.1073/pnas.1913716117

Pulsating flows through tubular geometries are laminar provided that velocities are moderate. This in particular is also believed to apply to…

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Bild Paper
MAPEX Research Highlights|

Strong Macroscale Supercrystalline Structures by 3D Printing Combined with Self‐Assembly of Ceramic Functionalized Nanoparticles

Berta Domènech, Alvin T. L. Tan, Hans Jelitto, Eduardo Zegarra Berodt, Malte Blankenburg, Oliver Focke, Jaclyn Cann, C. Cem Tasan, Lucio Colombi Ciacchi, Martin Müller, Kaline P. Furlan, A. John Hart, Gerold A. Schneider

Advanced Engineering Materials (2020) 22, 2000352

https://doi.org/10.1002/ade…

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Diagramm
MAPEX Research Highlights|

Additive manufacturing of heavy rare earth free high-coercivity permanent magnets

Volegov, A.S., Andreev, S.V., Selezneva, N.V., Ryzhikhin, I.A., Kudrevatykh, N.V., Mädler, L., Okulov, I.V.

Acta Materialia (2020) 188, 733-739

https://doi.org/10.1016/j.actamat.2020.02.058

Laser based powder bed fusion is a promising manufacturing method that can be used for the fabrication of…

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Moleküle
MAPEX Research Highlights|

Simulation-based evaluation of zeolite adsorbents for the removal of emerging contaminants

Michael Fischer

Materials Advances(2020) 1, 86-98

DOI: 10.1039/d0ma00025f

A number of experimental studies have evaluated the potential of hydrophobic high-silica zeolites for the adsorptive removal of emerging organic contaminants, such as pharmaceuticals and personal care products, from water.…

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AIMD Simulation
MAPEX Research Highlights|

What Changes on the Inverse Catalyst? Insights from CO Oxidation on Au-Supported Ceria Nanoparticles Using Ab Initio Molecular Dynamics

Yong Li, Shikun Li, Marcus Bäumer, Elena A. Ivanova-Shor, Lyudmila V. Moskaleva

ACS Catalysis (2020) 10, 3164-3174

https://doi.org/10.1021/acscatal.9b05175

Gold-supported ceria nanoparticles (CeOx/Au), constituting an inverse system with respect to the more commonly studied ceria-supported gold…

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nsCouette – A high-performance code for direct numerical simulations of turbulent Taylor–Couette flow
MAPEX Research Highlights|

nsCouette – A high-performance code for direct numerical simulations of turbulent Taylor–Couette flow

Jose Manuel Lopez, Daniel Feldmann, Markus Rampp, Alberto Vela-Martin, Liang Shi, Marc Avila

Software X (2020) 11, 100395

https://doi.org/10.1016/j.softx.2019.100395

We present nsCouette, a highly scalable software tool to solve the Navier–Stokes equations for incompressible fluid flow between…

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Desalination
MAPEX Research Highlights|

Lithium recovery from diluted brine by means of electrochemical ion exchange in a flow-through-electrodes cell

Maria Sofia Palagonia, Doriano Brogioli, Fabio La Mantia

Desalination (2020) 475, 114192

DOI: 10.1016/j.desal.2019.114192

Lithium is becoming an important raw material due to the expansion of the market of lithium-ion batteries, required for electric vehicles and for stationary energy storage.…

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Scheme of the applied PFG-STE sequence
MAPEX Research Highlights|

Pore-Scale Analysis of Axial and Radial Dispersion Coefficients of Gas Flow in Macroporous Foam Monoliths Using NMR-based Displacement Measurements

Mojtaba Mirdrikvand, Mehrdad Sadeghi, M. Nurul Karima, Jörg Thöming, Wolfgang Dreher

Chemical Engineering Journal (2020) 388 124234

https://doi.org/10.1016/j.cej.2020.124234

A micro-scale analysis of mass transport in ceramic foams that are used as catalyst supports in gas phase reactions is of…

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Model‐Based Nanoengineered Pharmacokinetics of Iron‐Doped Copper Oxide for Nanomedical Applications
MAPEX Research Highlights|

Model-Based Nanoengineered Pharmacokinetics of Iron-Doped Copper Oxide for Nanomedical Applications

M. Sc. Hendrik Naatz, Dr. Bella B. Manshian, Dr. Carla Rios Luci, Dr. Vasiliki Tsikourkitoudi, Prof. Dr. Yiannis Deligiannakis, Dr. Johannes Birkenstock, Dr. Suman Pokhrel, Prof. Dr. Lutz Mädler, Dr. Stefaan J. Soenen

Angewandte Chemie - International Edition (2020) 59, 1828-1836

https://doi.org/1…

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ACS Applied Nano Materials
MAPEX Research Highlights|

Rare-Earth-Doped Y4Al2O9 Nanoparticles for Stable Light-Converting Phosphors

Chenyang Liu, Suman Pokhrel, Christian Tessarek, Haipeng Li, Marco Schowalter, Andreas Rosenauer, Martin Eickhoff, Shuiqing Li, Lutz Mädler

ACS Applied Nano Materials (2020) 3, 699-710.

https://doi.org/10.1021/acsanm.9b02231

The ternary mixed metal oxides with high specific surface area are…

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is(ferrocenyl)phosphenium Ion Revisited
MAPEX Research Highlights|

The Bis(ferrocenyl)phosphenium Ion Revisited

Dr. Marian Olaru, Alexandra Mischin, Lorraine A. Malaspina, Dr. Stefan Mebs, Prof. Dr. Jens Beckmann

Angewandte Chemie- International Edition (2020) 59, Pages 1581-1584

https://doi.org/10.1002/anie.201913081

The bis(ferrocenyl)phosphenium ion, [Fc2P]+, reported by Cowley et al. (J. Am. Chem. Soc.…

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2019

Advanced Materials
MAPEX Research Highlights|

Beating Thermal Coarsening in Nanoporous Materials via High-Entropy Design

Soo-Hyun Joo,* Jae Wung Bae, Won-Young Park, Yusuke Shimada, Takeshi Wada, Hyoung Seop Kim, Akira Takeuchi, Toyohiko J. Konno, Hidemi Kato,* and Ilya V. Okulov

Advanced Materials (2019) 1906160

https://doi.org/10.1002/adma.201906160

Controlling the feature sizes of 3D bicontinuous nanoporous…

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Rigid Band Shifts in Two-Dimensional Semiconductors through External Dielectric Screening
MAPEX Research Highlights|

Rigid Band Shifts in Two-Dimensional Semiconductors through External Dielectric Screening

Lutz Waldecker, Archana Raja, Malte Rösner, Christina Steinke, Aaron Bostwick, Roland J. Koch, Chris Jozwiak, Takashi Taniguchi, Kenji Watanabe, Eli Rotenberg, Tim O. Wehling, and Tony F. Heinz

Physical Review Letters (2019) 123, 206403

https://doi.org/10.1103/PhysRevLett.123.206403

We…

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Coherent Real-Space Charge Transport Across a Donor–Acceptor Interface Mediated by Vibronic Couplings
MAPEX Research Highlights|

Coherent Real-Space Charge Transport across a Donor-Acceptor Interface Mediated by Vibronic Couplings

Ziyao Xu, Yi Zhou, Lynn Groß, Antonietta De Sio, Chi Yung Yam, Christoph Lienau*, Thomas Frauenheim, GuanHua Chen*

Nano Letters (2019) 19(11), pp. 8630-8637

https://doi.org/10.1021/acs.nanolett.9b03194

There is growing experimental and theoretical evidence that vibronic couplings, couplings…

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Wafer‐Scale Synthesis of Graphene on Sapphire: Toward Fab‐Compatible Graphene
MAPEX Research Highlights|

Wafer-Scale Synthesis of Graphene on Sapphire: Toward Fab-Compatible Graphene

Neeraj Mishra, Stiven Forti, Filippo Fabbri, Leonardo Martini, Clifford McAleese, Ben R. Conran, Patrick R. Whelan, Abhay Shivayogimath, Bjarke S. Jessen, Lars Buß, Jens Falta, Ilirjan Aliaj, Stefano Roddaro, Jan I. Flege, Peter Bøggild, Kenneth B. K. Teo, Camilla Coletti

Small (2019), Volume 15,…

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21.10.2019 Fast and Accurate Quantum Crystallography: From Small to Large, from Light to Heavy
MAPEX Research Highlights|

Fast and Accurate Quantum Crystallography: From Small to Large, from Light to Heavy

Lorraine A. Malaspina, Erna K. Wieduwilt, Justin Bergmann, Florian Kleemiss, Benjamin Meyer, Manuel F. Ruiz-López, Rumpa Pal, Emanuel Hupf, Jens Beckmann, Ross O. Piltz, Alison J. Edwards, Simon Grabowsky, Alessandro Genoni

Journal of Physical Chemistry Letters (2019), Volume 10, Issue 22, 21…

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2019 American Chemical Society
MAPEX Research Highlights|

Controlling the Multiscale Structure of Nanofibrous Fibrinogen Scaffolds for Wound Healing

Stapelfeldt, K., Stamboroski, S., Walter, I., Suter, N., Kowalik, T., Michaelis, M., Brüggemann, D.

Nano letters (2019) 19 (9) , pp. 6554-6563. 

https://doi.org/10.1021/acs.nanolett.9b02798

As a key player in blood coagulation and tissue repair, fibrinogen has gained increasing attention to…

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Acta Crystallographica
MAPEX Research Highlights|

Relativistic quantum crystallography of diphenyl- And dicyanomercury. Theoretical structure factors and Hirshfeld atom refinement

Bučinský, L., Jayatilaka, D., Grabowsky, S.

Acta Crystallographica Section A: Foundations and Advances (2019) 75, pp. 705-717. 

https://doi.org/10.1107/S2053273319008027

Quantum crystallographic refinement of heavy-element-containing compounds is a challenge, because many physical effects have to…

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Advanced Materials
MAPEX Research Highlights|

Living Materials Herald a New Era in Soft Robotics

Appiah, C., Arndt, C., Siemsen, K., Heitmann A., Staubitz A., Selhuber‐Unkel C.

Advanced Materials (2019) 1807747 

https://doi.org/10.1002/adma.201807747

Living beings have an unsurpassed range of ways to manipulate objects and interact with them. They can make autonomous decisions and can heal…

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pic of paper
MAPEX Research Highlights|

Supervised non-negative matrix factorization methods for MALDI imaging applications

Leuschner, J., Schmidt, M., Fernsel, P., Lachmund, D., Boskamp, T., Maass, P.

Bioinformatics (Oxford, England) (2019) 35 (11), pp.1940-1947

https://dx.doi.org/10.1093/bioinformatics/bty909

MOTIVATION: Non-negative matrix factorization (NMF) is a common tool for obtaining low-rank approximations…

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layer and layer
MAPEX Research Highlights|

Layer-by-Layer Resistive Switching: Multistate Functionality due to Electric-Field-Induced Healing of Dead Layers

Krisponeit, J.-O., Damaschke, B., Moshnyaga, V., Samwer, K.

Physical Review Letters (2019) 122 (13)

http://dx.doi.org/10.1103/PhysRevLett.122.136801

Materials exhibiting reversible resistive switching in electrical fields are highly demanded for functional elements in oxide electronics. In…

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research highlight
MAPEX Research Highlights|

Quantum-Dot-Like States in Molybdenum Disulfide Nanostructures Due to the Interplay of Local Surface Wrinkling, Strain, and Dielectric Confinement

Carmesin, C., Lorke, M., Florian, M., Erben, D., Schulz, A., WehlingT. O., Jahnke, F.

Nano Letters (2019) 19, 5,3182-3186

https://doi.org/10.1021/acs.nanolett.9b00641

The observation of quantum light emission from atomically thin transition metal dichalcogenides has opened a new field of…

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mixed copper
MAPEX Research Highlights|

Mixed copper-zinc hexacyanoferrates as cathode materials for aqueous zinc-ion batteries

Kasiri, G., Glenneberg, J., Bani Hashemi, A., Kun, R., La Mantia, F.

Energy Storage Materials (2019),19, 360-369

https://doi.org/10.1016/j.ensm.2019.03.006

Aqueous rechargeable metal-ion batteries have become potentially advantageous for the integration of renewable energy sources into the…

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The Floppiness of It All
MAPEX Research Highlights|

The Floppiness of It All: Bond Lengths Change with Atomic Displacement Parameters and the Flexibility of Various Coordination Tetrahedra in Zeolitic Frameworks. An Empirical Structural Study of Bond Lengths and Angles

Baur, W.H., Fischer, R.X.

Chemistry of Materials (2019) 31 (7), 2401-2420. 

http://dx.doi.org/10.1021/acs.chemmater.8b04919

We have evaluated more than 7000 crystal structures of zeolites in terms of the values of their bond-lengths T-O (T = Si, Al, P, Zn, Be, Ge, B, As, Ga, Co) and their…

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mapex-research-highlight
MAPEX Research Highlights|

Investigations on morphological and electrochemical changes of all-solid-state thin film battery cells under dynamic mechanical stress conditions

Glenneberg, J., Kasiri, G., Bardenhagen, I.,  Mantia, F. La., Busse, M., Kun, R.

Nano Energy (2019) 57, 549-557.

https://doi.org/10.1016/j.nanoen.2018.12.070

To design and manufacture high-performance energy storage devices with real mechanical flexibility is one of the main advantages of the…

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new approach
MAPEX Research Highlights|

New approach to evaluate 3D laser printed parts in powder bed fusion-based additive manufacturing in-line within closed space

Kalms, M., Narita, R., Thomy, C., Vollertsen, F., Bergmann, R.B.

Additive Manufacturing (2019) 26,161-165. 

https://doi.org/10.1016/j.addma.2019.01.011

Additive manufacturing that allows layer by layer shaping of complex structures is of rapidly increasing interest in production technology. A…

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mapex Research highlight
MAPEX Research Highlights|

Pseudodoping of a metallic two-dimensional material by the supporting substrate

Shao, B., Eich, A., Sanders, C., Ngankeu, A. S., Bianchi, M., Hofmann, P.,  Khajetoorians, A. A., WehlingT.

Nature Communications (2019) 10, Article Number 180.

https://doi.org/10.1038/s41467-018-08088-8

Charge transfers resulting from weak bondings between two-dimensional materials and the…

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Prospect
MAPEX Research Highlights|

Prospects and Limitations of Transition Metal Dichalcogenide Laser Gain Materials

Lohof, F., Steinhoff, A., Florian, M., Lorke, M., Erben, D., Jahnke, F., Gies, C.

Nano Letters (2019) 19 (1), 210-217. 

http://dx.doi.org/10.1021/acs.nanolett.8b03729

Nanolasers operate with a minimal amount of active material and low losses. In this regime, single layers of transition-metal…

mehr

2018

Hazard assessment
MAPEX Research Highlights|

Hazard assessment of quinaldine-, alkylcarbazole-, benzene- and toluene-based liquid organic hydrogen carrier (LOHCs) systems

Markiewicz, M., Zhang, Y.-Q., Empl, M.T., Lykaki, M., Thöming, J., Steinberg, P., Stolte, S.

Energy and Environmental Science (2019) 12 (1), 366-383.

http://dx.doi.org/10.1039/c8ee01696h

Due to the finite nature and scarcity of crude oil-based fuels, increasing attention is being directed towards…

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RH
Mitteilung Nr.: 064 | MAPEX Research Highlights|

Ligand-functionalized Pt nanoparticles as asymmetric heterogeneous catalysts: molecular reaction control by ligand–reactant interactions

A. Šulce, J. Backenköhler, I. Schrader, M. Delle Piane, C. Müller, A. Wark, L.Colombi Ciacchi, V. Azov, S. Kunz

Catalysis Science & Technology (2018), 8, 6062 - 6075.

http://dx.doi.org/10.1039/C8CY01836G

The asymmetric hydrogenation of β-keto esters over platinum nanoparticles (NPs)…

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Reserach-Highlight
Mitteilung Nr.: 063 | MAPEX Research Highlights|

Structural and Computational Assessment of the Influence of Wet-Chemical Post-Processing of the Al-Substituted Cubic Li7La3Zr2O12

Kun, R., Langer, F., Delle Piane, M., Ohno, S., Zeier, W.G., Gockeln, M., Colombi Ciacchi, L., Busse, M., Fekete, I.

ACS Applied Materials and Interfaces (2018) , . Article in Press. 

https://pubs.acs.org/doi/10.1021/acsami.8b09789

Li7La3Zr2O12 (LLZO) and related compounds are considered as…

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Research-Highlight
Mitteilung Nr.: 062 | MAPEX Research Highlights|

Tuning the Optoelectronic Properties of Stannoles by the Judicious Choice of the Organic Substituents

 R. Y. Medina, I.-M., Rohdenburg, M., Mostaghimi, F., Grabowsky, S., Swiderek, P., Beckmann, J., Hoffmann, J., Dorcet, V., Hissler, M., Staubitz, A.

Inorganic Chemistry (2018), 57 (20), pp 12562–12575.

http://dx.doi.org/10.1021/acs.inorgchem.8b01649

Stannoles are organometallic rings in which…

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research highlight
Mitteilung Nr.: 60 | MAPEX Research Highlights|

Al(OCArF3)3 – a thermally stable Lewis superacid

Authors:J.F. Kögel,  A. Y. Timoshkin, A. Schröder, E. Lorka, J. Beckmann

Journal:Chemical Science (2018), 9, 8178-8183.

http://dx.doi.org/10.1039/C8SC02981D

The adduct free Lewis superacid Al(OCArF3)3 was obtained by the reaction of ArF3COH with AlEt3 and fully characterized (ArF = C6F5). It…

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Materialien für die Photonik von morgen
Mitteilung Nr.: 059 | MAPEX Research Highlights|

Biexciton fine structure in monolayer transition metal dichalcogenides

A. Steinhoff, M. Florian, A. Singh, K. Tran, M. Kolarczik, S. Helmrich, A. W. Achtstein, U. Woggon, N. Owschimikow, F. Jahnke & X. Li 

Nature Physics (2018)

https://doi.org/10.1038/s41567-018-0282-x

The optical properties of atomically thin transition metal dichalcogenide (TMDC) semiconductors…

mehr

mapex-research-highlight
Mitteilung Nr.: 058 | MAPEX Research Highlights|

Visible-Light Photocatalysis with Mullite-Type Bi2(Al1–xFex)4O9: Striking the Balance between Bandgap Narrowing and Conduction Band Lowering

M. Curti , A. Kirsch, L. I. Granone∥ , F. Tarasi, G. López-Robledo, D. W. Bahnemann∥ , M. M. Murshed, T.M. Gesing , C. B. Mendive

ACC Catalysis (2018) 8, 8844-8855.

http://dx.doi.org/10.1021/acscatal.8b01210

The rich crystal chemistry of mullite-type Bi2M4O9 (M = Fe, Al, Ga) offers multiple…

mehr

Research-Highlight
Mitteilung Nr.: 057 | MAPEX Research Highlights|

Bridging the scales in high- throughput dielectrophoretic (bio-) particle separation in porous media

G.R. Pesch, M. Lorenz, S. Sachde, S. Salameh, F. Du, M. Baune, P. E. Boukany & J. Thöming

Scientific Reports (2018) 8:10480

https://doi.org/10.1038/s41598-018-28735-w

Dielectrophoresis (DEP) is a versatile technique for the solution of difficult (bio-)particle separation tasks based on size and…

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Mitteilung Nr.: 056 | MAPEX Research Highlights|

Flame aerosol deposited Li4Ti5O12 layers for flexible, thin film all-solid-state Li-ion batteries

M. Gockeln, J. Glenneberg, M. Busse, S. Pokhrel, L. Mädler, R. Kun 

Nano Energy (2018) 49, 564-573.

https://doi.org/10.1016/j.nanoen.2018.05.007

Flexible thin film all-solid-state Li-ion batteries are considered as promising candidates to power a multitude of flexible and miniaturized electronic…

mehr

New Model for Predicting Adsorption of Polar Molecules in Metal–Organic Frameworks with Unsaturated Metal Sites
Mitteilung Nr.: 055 | MAPEX Research Highlights|

New Model for Predicting Adsorption of Polar Molecules in Metal–Organic Frameworks with Unsaturated Metal Sites

C. Campbell, J. R. B. Gomes , M. Fischer, M. Jorge

J. Phys. Chem. Lett., (2018) 9 ,3544–3553.

http://dx.doi.org/10.1021/acs.jpclett.8b00967

Conventional molecular models fail to correctly describe interactions of adsorbates with coordinatively unsaturated sites (CUS) present in a large number of…

mehr

Mitteilung Nr.: 054 | MAPEX Research Highlights|

Generation of High‐Molecular‐Weight Polymers with Diverse Substituents: An Unusual Metal‐Free Synthesis of Poly(aminoborane)s

A. Staubitz

Angewandte Chemie International Edition (2018) 57, 5990-5992.

https://doi.org/10.1002/anie.201801903

A new concept has been introduced for the preparation of high‐molecular‐weight poly(aminoborane)s with diverse substituents on the nitrogen atom. Whereas previous methods were…

mehr

Mitteilung Nr.: 053 | MAPEX Research Highlights|

Investigation of the temperature dependent impact behaviour of pin reinforced foam core sandwich structures

M. A. Dimassi, M. John, A. S.Herrmann

Composite Structures (2018) 198, in press.

https://doi.org/10.1016/j.compstruct.2018.04.012

Dry carbon and glass fibre bundles were inserted into a ROHACELL® 71HERO Polymethacrylimide (PMI) foam core under a specific inclination angle and pin pattern in order…

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Mitteilung Nr.: 052 | MAPEX Research Highlights|

The Dielectric Impact of Layer Distances on Exciton and Trion Binding Energies in van der Waals Heterostructures

M. Florian, M. Hartmann, A. Steinhoff, J. Klein , A.W. Holleitner , J. J. Finley, T. O. Wehling, M. Kaniber, C. Gies

Nano letters (2018) 18(4), 2725–2732.

http://doi.org/10.1021/acs.nanolett.8b00840

The electronic and optical properties of monolayer transition-metal dichalcogenides (TMDs) and van…

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Mitteilung Nr.: 051 | MAPEX Research Highlights|

A Monoaryllead Trichloride That Resists Reductive Elimination

M. Olaru, R. Kather, E.Hupf, E.Lork, S.Mebs, J. Beckmann

Journal: Angewandte Chemie (2018) 57, 5917-5920 .

https://doi.org/10.1002/anie.201712944

Transmetallation of Pb(OAc)4 with R2Hg (1), followed by treatment with HCl in Et2O, provided RPbCl3 (2), the first kinetically stabilized…

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Mitteilung Nr.: 050 | MAPEX Research Highlights|

A quantum optical study of thresholdless lasing features in high-β nitride nanobeam cavities

Stefan T. Jagsch, Noelia Vico Triviño, Frederik Lohof, Gordon Callsen, Stefan Kalinowski, Ian M. Rousseau, Roy Barzel, Jean-François Carlin, Frank Jahnke, Raphaël Butté, Christopher Gies, Axel Hoffmann, Nicolas Grandjean and Stephan Reitzenstein.

Nature Communications(2018) 9, article number: 564.

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Mitteilung Nr.: 049 | MAPEX Research Highlights|

Pulsating dissolution of crystalline matter

C. Fischer, A. Luttge

Proceedings of the National Academy of Science of the United States of America (2018) 115, 5 Pages 897-902.

https://doi.org/10.1073/pnas.1711254115

Fluid–solid reactions result in material flux from or to the solid surface. The prediction of the flux, its variations, and…

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Mitteilung Nr.: 048 | MAPEX Research Highlights|

Destabilizing turbulence in pipe flow

J. Kühnen, B. Song, D. Scarselli, N. Burak Budanur, M. Riedl, A. P. Willis, M. Avila, B. Hof

Nature Physics (2018) 14, 386-390.

http://doi.org/10.1038/s41567-017-0018-3

Turbulence is the major cause of friction losses in transport processes and it is responsible for a drastic drag increase in…

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Mitteilung Nr.: 047 | MAPEX Research Highlights|

Long-term storage of droplets on a chip by Parylene AF4 coating of channels

Mahmuda Akhtar, Sander van den Driesche, André Bödecker and Michael J. Vellekoop.

Sensors and Actuators B (2018) 255, 3576–3584.

https://doi.org/10.1016/j.snb.2017.08.032

We present a PDMS-based microfluidic device that allows long-term on-chip droplets storage. The droplets are used as…

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Mitteilung Nr.: 046 | MAPEX Research Highlights|

Fabrication and performance of Li4Ti5O12/C Li-ion battery electrodes using combined double flame spray pyrolysis and pressure-based lamination technique

Authors:M. Gockeln, S. Pokhrel, F. Meierhofer, J. Glenneberg, M. Schowalter, A. Rosenauer, U. Fritsching, M. Busse, L. Mädler, R. Kun

Journal of Power Sources (2018) 374, 97-106.

https://doi.org/10.1016/j.jpowsour.2017.11.016

Reduction of lithium-ion battery (LIB) production costs is inevitable…

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2017

Mitteilung Nr.: 045 | MAPEX Research Highlights|

Exciton fission in monolayer transition metal dichalcogenide semiconductors

A. Steinhoff, M. Florian, M. Rösner, G. Schönhoff, T.O. Wehling and F. Jahnke.

Nature Communications (2017) 8, 1166.

http://dx.doi.org/10.1038/s41467-017-01298-6

When electron-hole pairs are excited in a semiconductor, it is a priori not clear if they form a plasma of unbound fermionic particles…

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Mitteilung Nr.: 044 | MAPEX Research Highlights|

MICROSCOPE Mission: First Results of a Space Test of the Equivalence Principle

Pierre Touboul, Gilles Métris, Manuel Rodrigues, Yves André, Quentin Baghi, Joël Bergé, Damien Boulanger, Stefanie Bremer, Patrice Carle, Ratana Chhun, Bruno Christophe, Valerio Cipolla, Thibault Damour, Pascale Danto, Hansjoerg Dittus, Pierre Fayet, Bernard Foulon, Claude Gageant, Pierre-Yves…

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Mitteilung Nr.: 043 | MAPEX Research Highlights|

Quantitative determination of residual silver distribution in nanoporous gold and its influence on structure and catalytic performance

Christoph Mahr, Paromita Kundu, Anastasia Lackmann, Daniele Zanaga, Karsten Thiel, Marco Schowalter, Martin Schwan, Sara Bals, Arne Wittstock and Andreas Rosenauer.

Journal of Catalysis (2017) 352, 52–58.

https://doi.org/10.1016/j.jcat.2017.05.002

Large efforts have been made trying to understand…

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Mitteilung Nr.: 042 | MAPEX Research Highlights|

Microbial-based metalworking fluids in milling operations

Daniel Meyer, Marvin Redetzky and Ekkard Brinksmeier.

CIRP Annals - Manufacturing Technology (2017) 66, 129–132.

https://doi.org/10.1016/j.cirp.2017.04.019

Most commercial metalworking fluids (MWFs), as applied in cutting operations contain mineral-oil. Colonization of water-based MWFs…

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Mitteilung Nr.: 041 | MAPEX Research Highlights|

A comparative study of alcohol oxidation over nanoporous gold in gas and liquid phase

Anastasia Lackmann, Christoph Mahr, Marco Schowalter, Lisa Fitzek, Jörg Weissmüller, Andreas Rosenauer and Arne Wittstock.

Journal of Catalysis (2017) 353, 99–106.

https://doi.org/10.1016/j.jcat.2017.07.008

The aerobic oxidation of methanol and ethanol in liquid phase is investigated using…

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Mitteilung Nr.: 040 | MAPEX Research Highlights|

Structural and spectroscopic comparison between polycrystalline, nanocrystalline and quantum dot visible light photo-catalyst Bi2WO6

Michael Teck, M. Mangir Murshed, Marco Schowalter, Niels Lefeld, Henrike K. Grossmann, Tim Grieb, Thomas Hartmann, Lars Robben, Andreas Rosenauer, Lutz Mädler and Thorsten M. Gesing.

Journal of Solid State Chemistry (2017) 254, 82–89.

http://dx.doi.org/10.1016/j.jssc.2017.07.013

The structural…

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Mitteilung Nr.: 039 | MAPEX Research Highlights|

The cubic-to-hexagonal phase transition of cerium oxide particles: dynamics and structure

Jan Höcker, Jon-Olaf Krisponeit, Thomas Schmidt, Jens Falta and Jan Ingo Flege.

Nanoscale (2017) 9, 9352-9358

http://dx.doi.org/10.1039/C6NR09760J

Cerium oxide is often applied in today's catalysts due to its remarkable oxygen storage capacity. The changes in stoichiometry during reaction are…

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Mitteilung Nr.: 038 | MAPEX Research Highlights|

Insight into the Mechanism of Reversible Ring-Opening of 1,3‑Benzoxazine with Thiols

Tobias Urbaniak, Marc Soto, Manuel Liebeke and Katharina Koschek.

Journal of Organic Chemistry (2017) 82, 4050−4055.

http://dx.doi.org/10.1021/acs.joc.6b02727

The reversible ring-opening addition and fragmentation reaction of p-cresol-based N-phenylbenzoxazine with aliphatic and aromatic thiols…

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