Interfacial recombination for fast operation of a planar organic/QD infrared photodetector

Publication Type:

Journal Article

Source:

Adv. Mater., Wiley Online Library, Volume 22, Issue 46, p.5250-5254 (2010)

ISBN:

0935-9648

Keywords:

2010, 2013 and earlier

Abstract:

A planar infrared photodetector consisting of discrete films of PbS quantum dots (QDs) and the fullerene derivative, PCBM, is reported. A fast
recombination process at the PbS QD/PCBM interface enables an improvement
in the response speed of greater than two orders-of-magnitude over devices
consisting only of the QD film. The physical processes governing device
operation and performance are explored.