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Nanoscale and Biomolecular Simulation

Welcome to the website of Wolfgang Wenzel's Research Group focused on the "Nanoscale and Biomolecular Simulation," one of the topics researched in Functional Molecules at the Institute of Nanotechnology (INT) at the Karlsruhe Institute of Technology.









Rational In Silico Design of an Organic Semiconductor with Improved Electron Mobility

The viability of a multiscale simulation approach to rationally design organic semiconductors with improved electron mobility is demonstrated. Novel materials with tailored electronic properties are designed for which an improvement of the electron mobility by three orders of magnitude is predicted and experimentally confirmed.

Adv. Mat, DOI: 10.1002/adma.201703505
Backcover of advanced materials
Switching the Proton Conduction in Nanoporous, Crystalline Materials by Light

Proton‐conducting molecules in the pores of metal–organic frameworks change their conductivity upon photoswitching the host framework. In work by Lars Heinke and co‐workers presented in article number 1706551, irradiation with light (green) causes trans–cis isomerization of the azobenzene components of the framework, switching the molecular interaction and the conductivity of the triazole guest molecules (center). The sample is mounted on interdigitated gold electrodes, which are used for measuring the conductivity.

Adv. Mat., DOI: 10.1002/adma.201706551
Video of charge transport in organic LED

This video illustrates the principle of OLED devices. Electrons and holes are injected at the electrodes, drift through the device and emit light when they recombine. The charge carrier movement in a real device can be simulated using the kinetic Monte-Carlo method.