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Research Highlights

          

2019

The Floppiness of It All
© 2019 American Chemical Society
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

W.H Baur, R.X Fischer

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

http://dx.doi.org/10.1016/j.addma.2019.01.011

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 variability as...

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mapex-research-highlight
© 2018 Elsevier Ltd. All rights reserved.
MAPEX Research Highlights|

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

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

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 solid-state...

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new approach
© authors
MAPEX Research Highlights|

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

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

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
© authors
MAPEX Research Highlights|

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

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

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 supporting...

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Hazard assessment
© Royal Society of Chemistry 2018
MAPEX Research Highlights|

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

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

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 various...

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2018

RH
© Royal Society of Chemistry 2018
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
© 2018 American Chemical Society
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. 

http://dx.doi.org/ 10.1021/acsami.8b09789

Li7La3Zr2O12 (LLZO) and related compounds are considered as promising...

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Research-Highlight
© 2018 American Chemical Society
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
© Authors
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
© Andreas Beuthner
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...

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mapex-research-highlight
© 2018 American Chemical Society
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...

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Research-Highlight
© The Author(s) 2018
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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© 2018 Elsevier Ltd.
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...

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New Model for Predicting Adsorption of Polar Molecules in Metal–Organic Frameworks with Unsaturated Metal Sites
© 2018 American Chemical Society
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...

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© 2018 Wiley‐VCH Verlag GmbH & Co. KGaA, Weinheim
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...

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2017

© Nat. Commun.
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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© Phys. Rev. Lett.
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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© J. Catal.
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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© CIRP Ann. Manuf. Technol.
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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© J. Catal.
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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© J. Solid State Chem.
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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© Nanoscale
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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© J. Org. Chem.
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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