Charge transport in semiconductor nanocrystals

In this paper, we describe the recent progress which has been made in under standing the physics of electron transfer between conjugated polymers and s emiconductor nanocrystals. Photoluminescence efficiency measurements and ph otoinduced absorption experiments are used to study the electron transfer a nd recombination processes. We also perform electrical measurements on thin films of nanocrystals in order to study the electron transport processes w hich are important in photovoltaic devices based on polymer/nanocrystal com posites. (C) 2001 Elsevier Science B.V. All rights reserved.