Photodoping with CdSe nanocrystals as a tool to probe trap-state distributions in C60 crystals.

Optical injection of electrons from CdSe nanocrystals into amorphous semiconductors can be used to optically control the electron density in trap-rich conduction bands. For the specific example of polycrystalline C₆₀, we show that important parameters of the density of trap states below the mobility edge can be retrieved. [ABSTRACT FROM AUTHOR]