期刊
APPLIED SURFACE SCIENCE
卷 256, 期 9, 页码 2661-2667出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2009.11.044
关键词
Bathocuproine; Density functional theory; Interface states; Organic solar cell
Electronic structure of the interface between a bathocuproine (BCP) molecule and metal surface was studied by density functional theory. The bond energy of BCP with metal surface increased with decreasing work function of metals, that is, Au, Ag, Al, Mg, and Ca in this order. The charge transfer also increased with decreasing metal work function. It was analyzed that the Fermi level and the lowest unoccupied molecular orbital of BCP are composed of both BCP and metal orbital component, and electron transport properties across the BCP and metal is discussed based on these analyses. (C) 2009 Elsevier B. V. All rights reserved.
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