2010•Unpublished venueRequires access

Interfacial Electronic Structure in Organic Semiconductor Heterojunctions

Donghang Yan B.Sc., Ph.D., Haibo Wang B.Sc., Ph.D., Baoxun Du

Abstract

This chapter demonstrates an investigation into the electronic characteristics of CuPc/F16CuPc, BP2T/F16CuPc, ZnPc/C60, VOPc/Ph3, and SnCl2Pc/F16CuPc organic heterojunctions. Organic heterojunctions are categorized according to their interface electronic structure, including accumulation heterojunctions, depletion heterojunctions, and accumulation/depletion heterojunctions. The formation of an organic heterojunction is explained by the mechanism of thermal emission of electrons and an energy band model. A unique law covering organic heterojunctions and inorganic heterojunctions is revealed, which extends the theory of semiconductor heterojunctions.

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Available abstract

Key concepts: Heterojunction, Organic semiconductor, Semiconductor, Materials science, Optoelectronics