Paper Title:
Analysis of Improved Photoelectric Properties of Copper Phthalocyanine/C60 Organic Solar Cells: Effects of Substrate Temperature
  Abstract

Organic photovoltaic(OPV) cells are rapidly gaining attention due to their potential to be fabricated at low cost in thin, flexible, and light-weight forms. For efficient generation of photo-induced charges,C60 has been indispensable electron acceptors in building heterojunctions with various suitable electron donors, such as CuPc, and Alq3 was always used as a new buffer layer to improve the degradation of heterojunction conductivity upon oxygen permeation In this work, the photoelectric properties of organic solar cells(ITO/CuPc/C60/ Al) were studied with a focus on the effect of substrate temperature. All the organic layers and the aluminum cathode were prepared onto ITO substrates by vacuum deposition at various substrate temperatures from room temperature to 363°CK. With increasing the substrate temperature , an improvement in crystallization of bilayer films(CuPc/C60) was observed by AFM. The results showed the photoconduction of the bilayer films increased because the bilayr films were well oriented, and the carrier mobility of the films were enhanced withby the increase of the substrate temperature.

  Info
Periodical
Materials Science Forum (Volumes 610-613)
Main Theme
Edited by
Zhongwei Gu, Yafang Han, Fusheng Pan, Xitao Wang, Duan Weng and Shaoxiong Zhou
Pages
378-381
DOI
10.4028/www.scientific.net/MSF.610-613.378
Citation
W. J. Zhou, W. M. Shi, L. Wu, "Analysis of Improved Photoelectric Properties of Copper Phthalocyanine/C60 Organic Solar Cells: Effects of Substrate Temperature", Materials Science Forum, Vols. 610-613, pp. 378-381, 2009
Online since
January 2009
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