Dresden 2014 – wissenschaftliches Programm
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TT: Fachverband Tiefe Temperaturen
TT 72: Transport: Molecular Electronics II
TT 72.4: Vortrag
Mittwoch, 2. April 2014, 15:45–16:00, HSZ 304
Electronic and Structural Properties of Functionalized Nanoparticle Networks: A Multi-Scale Approach — •Tahereh Ghane1, Daijiro Nozaki1, Arezoo Dianat1, Rafael Gutierrez1, and Gianaurelio Cuniberti1,2,3 — 1Institute for Materials Science and Max Bergmann Center of Biomaterials, Dresden University of Technology, 01062 Dresden, Germany — 2Center of Advancing Electronics Dresden, TU Dresden, Germany — 3Dresden Center for Computational Materials Science, TU Dresden, Germany
Functionalized nanoparticle networks offer a model system for the study of charge transport in low-dimensional systems as well as a potential platform to implement electronic functionalities. The electrical response of a nanoparticle network is expected to sensitively depend on the molecular inter-connects, i.e. on the linker chemistry. If these linkers have complex charge transport properties as is the case of molecular switches with conformational dependent electronic properties or molecular memristors showing hysteretic behavior, then phenomenological models addressing the large scale properties of the network need to be complemented with microscopic calculations of the network building blocks. In this study we investigate the electronic, structural and charge transport properties of functionalized nanoparticle by employing a multi-scale method in which we combine density-functional based approaches, classical molecular dynamics, and charge transport calculations.
This work has been funded by the European Union through the project "Synaptic Molecular Networks for Bio-inspired Information Processing".