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Organic Polymer Semiconductor Superlattices

Published online by Cambridge University Press:  25 February 2011

Samson A. Jenekhe
Affiliation:
Department of Chemical Engineering, University of RochesterRochester, New York 14627
Wen-Chang Chen
Affiliation:
Department of Chemical Engineering, University of RochesterRochester, New York 14627
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Abstract

We describe the synthesis and study of the first organic polymer semiconductor superlattices designed as periodic block conjugated copolymers, (−AxBy−)m. The observed variation of electronic spectra and wavelength of the lowest energy absorption maxima with block length y are interpreted in terms of quantum confinement size effects predicted for semiconductor superlattices. The periodic block conjugated copolymers were synthesized by a two-step strategy that ensure strict control of sequence, block length and periodicity. It is suggested that organic semiconductor superlattices provide a rational and systematic approach to the molecular engineering of electronic, optical, nonlinear optical, and electro–optical properties in polymeric materials and hold promise for molecular electronics and molecular photonics.

Type
Research Article
Copyright
Copyright © Materials Research Society 1990

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