Princeton University

School of Engineering & Applied Science

Interfacial Engineering in Organic Electronics

He Wang
Engineering Quadrangle J401
Tuesday, September 24, 2013 - 10:00am to 11:30am


Electronic devices based on organic semiconductor materials can be potentially fabricated over a large area on flexible substrates at a low cost. The processing of organic electronic devices is simpler than that of conventional inorganic electronics. Organic electronic devices typically comprise organic semiconductors as active charge transport materials and metals or metal oxides as electrical contacts. The interfaces between organic semiconductors and metals or metal oxides strongly influence charge transport, injection, extraction, and recombination, ultimately affecting device characteristics. This thesis elucidates the structural and electronic characteristics of interfaces between organic semiconductors and metals or metal oxides, as well as how these interfaces affect device characteristics of organic solar cells and organic thin-film transistors. These fundamental studies will provide a better understanding of functionalities of interfacial engineering in organic electronics.