Effects of Deposition Rate on the Properties of CuPc Thin Films and Solar Cells

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概要

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• We investigated the effects of deposition rate on the properties of copper phthalocyanine (CuPc) thin films and the performance of CuPc/C<inf>60</inf>heterojunction organic solar cells prepared by vacuum thermal evaporation method. We found that the organic solar cell with higher CuPc deposition rate (R_{\text{CuPc}}) of around 4.0 Å/s showed a larger short circuit current density of around 5.79 mA/cm²and a higher power conversion efficiency of around 1.3%, which were about 1.8- and 2-times compared to those of the devices with R_{\text{CuPc}} of 0.1 Å/s, respectively. We also found that the CuPc single layer devices with higher R_{\text{CuPc}} exhibited a larger current density, which may be due to a higher mobility and lower trap density in CuPc thin films with higher R_{\text{CuPc}}.

• 2013-05-25

著者

• Zhou Xiang

  State Key Lab of Optoelectronic Materials and Technologies, School of Physics and Engineering, Sun Yat-Sen University, Guangzhou 510275, P. R. China

• Li Shuang

  State Key Lab of Optoelectronic Materials and Technologies, School of Physics and Engineering, Sun Yat-Sen University, Guangzhou 510275, P. R. China

• Chen Jianhong

  State Key Lab of Optoelectronic Materials and Technologies, School of Physics and Engineering, Sun Yat-Sen University, Guangzhou 510275, P. R. China

関連論文

• Effects of Deposition Rate on the Properties of CuPc Thin Films and Solar Cells
• Effects of Deposition Rate on the Properties of CuPc Thin Films and Solar Cells

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