Chemistry Faculty Publications

Document Type

Article

Abstract

The effect of dielectric friction on the rate of charge separation in type II ZnSe/CdS semiconductor nanorods has been investigated using picosecond transient absorption spectroscopy. The spatial separation of an excited electron-hole pair was estimated from the redshift in band edge absorption corresponding to the decrease in the exciton binding energy. The present study identifies a considerable effect of the solvent polarity on the rate of charge separation in semiconductor heterostructures, which should be taken into account when selecting nanorod caging media, such as solvents or polymer matrices. © 2009 American Institute of Physics.

Publication Date

2009

Publication Title

Applied Physics Letters

Volume

94

Issue

13

Publisher

American Institute of Physics

ISSN

0003-6951

DOI

10.1063/1.3114464

Included in

Chemistry Commons

Share

COinS