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THE LEHMANN GROUP: ORGANIC SOFT MATERIALS AND LIQUID CRYSTALS

Contact

Prof. Dr. Matthias Lehmann

Institute of Organic Chemistry
University of Würzburg
Am Hubland
97074 Würzburg / Germany

room: 01.026 ­
phone: +49 931 31 83708 ­
fax: +49 931 31 87350 
matthias.lehmann@uni-wuerzburg.de

Student advice & counselling

for Bachelor students as well as BAFÖG affairs.

Consultation during the lecture period:

Thursday, 1:00 pm 

Thursday 07.12.2017

no consultation

Please contact me by E-mail

Consultation outside the lecture period:

Please contact by E-mail to get an appointment or send your questions directly.
The request will be treated as soon as possible.

Logo & Link Institut für Organische Chemie

Our research aims for the design of novel liquid crystalline (LC) materials consisting of compounds with non-conventional shapes such as stars, V- or board-shaped molecules. The star topology is generated by symmetric attachment of three to six arms to a core unit. We achieve the control of the self-assembly in LC materials by the variation of the core, the arm scaffold and the peripheral chains. Detailed understanding of the stacking procedures in the solid-state by nanosegregation and space-filling allows the incorporation and positioning of functional building blocks. This converts the compounds on complex functional LC materials, which can be applied in organic electronics. Board- and V-shaped mesogens are investigated with respect to the formation of the highly elusive biaxial nematic mesophase. Biaxial nematogens are proposed as new materials for the future fast-switching LC-displays.

Recent Publications

The complete list of publications is available at the Publication section.

084 Isomerisation of Liquid-Crystalline Tristriazolotriazines, Thorsten Rieth, Nico Röder, Matthias Lehmann, Heiner Detert, Chem. Eur. J. 2017, 23, online issue. DOI: 10.1002/chem.201705095
083 To be or not to be - nematic liquid crystals from shape-persistent V-shaped nematogens with the 'magic angle', Stefan Maisch, Ana-Maria Krause, David Schmidt, Matthias Lehmann, Liquid Crystals 2017, online issue. DOI: 10.1080/02678292.2017.1369595
082 Mesogenic origami - four armed, star-shaped mesogens as precursors for functional liquid crystal materials, Matthias Lehmann, Sabine Roth, Liquid Crystals 2017, online issue. DOI: 10.1080/02678292.2017.1346209
081 Crowded Star Mesogens: Guest-Controlled Stability of Mesophases from Unconventional Liquid-Crystal Molecules, Prof. Dr. Matthias Lehmann, Philipp Maier, Dr. Matthias Grüne and Markus Hügel, Chem. Eur. J. 2017, 23, 1060-1068. DOI: 10.1002/chem.201603611
080 A Star-shaped Oligo(phenylenevinylene) Liquid Crystal Host with an Anthracene Guest - A Double Nanosegregating Supermesogen, P. Maier, M. Grüne, M. Lehmann, Chem. Eur. J. 2017, 23, 1018-1022. DOI: 10.1002/chem.201604505

PhD Defence

New bachelor student and new trainee

Moritz Dechant in front of his Poster

Poster Prize for Moritz Dechant

Announcements - Future Summits and Liquid Crystal Chemistry

  • German Liquid Crystal Society
  • Internatironal Liquid Crystal Conference
  • International Liquid Crystal Society
Kontakt

Professur für Organische Materialien am Institut für Organische Chemie
Am Hubland
97074 Würzburg

Suche Ansprechpartner

Hubland Süd, Geb. C1