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SUMMARY:Relating structure to electrical transport in molecular electronic
  materials
DTSTART:20161031T131500
DTEND:20161031T141500
DTSTAMP:20260509T211653Z
UID:8b9b0dc03f2b02f4ac82d6ada0b3b2bc56a20e4925110ee18b19580e
CATEGORIES:Conferences - Seminars
DESCRIPTION:Prof. Jenny Nelson\, Imperial College London\nSolution process
 able semiconductors based on molecular electronic materials have attracted
  intense interest for applications in solar energy conversion\, lighting a
 nd thin-film electronics. In all application areas device function is depe
 ndent on the efficiency of charge transport\, which occurs mainly by a pro
 cess of hopping between separate molecules or molecular segments. Charge t
 ransport is strongly influenced by the conformation and structure of these
  molecular units and by disorder in their energy and the coupling between 
 them. However\, because of the natural variability of these soft materials
  the precise microstructure is difficult to determine experimentally\, and
  to predict. In this talk\, we will show how electrical behaviour can be r
 elated to microstructure in a number of model systems. We will show how th
 e results of experimental measurements of charge transport on different le
 ngth and time scales can be reconciled when appropriate models are used. W
 e show how microscopic (molecule level) and macroscopic (device level) mod
 els can be combined to rationalise the impact of chemical or physical stru
 cture of a material on device response. We discuss how these methods may c
 ontribute to the design of high performance devices such as solar cells.\n
 \nBio: Jenny Nelson is a Professor of Physics at Imperial College London\,
  where she has researched novel varieties of material for use in solar cel
 ls since 1989. Her current research is focussed on understanding the prope
 rties of molecular semiconductor materials and their application to organ
 ic solar cells. This work combines fundamental electrical\, spectroscopic 
 and structural studies of molecular electronic materials with numerical mo
 delling and device studies\, with the aim of optimising the performance of
  solar cells based on molecular and hybrid materials.  Since 2010 she has
  been working together with the Grantham Institute for Climate Change to e
 xplore the mitigation potential of photovoltaic\, and other renewable\, te
 chnologies. She has published over 200 articles in peer reviewed journals\
 , several book chapters and a book on the physics of solar cells. She was 
 awarded the 2009 Institute of Physics Joule Prize and medal and the 2012 R
 oyal Society Armourers and Brasiers Company Prize for her research.
LOCATION:MXF 1 https://plan.epfl.ch/?room==MXF%201
STATUS:CONFIRMED
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