Solution processable reduced graphene oxide decorated ATO electrode for organic solar cells

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• 作者：Qiao Zheng (1)
  Guojia Fang (2)
  Shuying Cheng (1)
  Yunfeng Lai (1)
  Jinling Yu (1)
  
• 刊名：Applied Physics A: Materials Science & Processing
• 出版年：2014
• 出版时间：November 2014
• 年：2014
• 卷：117
• 期：3
• 页码：1095-1101
• 全文大小：4,380 KB
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• 作者单位：Qiao Zheng (1)
  Guojia Fang (2)
  Shuying Cheng (1)
  Yunfeng Lai (1)
  Jinling Yu (1)
  
  1. College of Physics and Information Engineering, Institute of Micro-Nano Devices and Solar Cells, Fuzhou University, Fuzhou, 350108, Fujian Province, People’s Republic of China
  2. Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education, Department of Electronic Science and Technology, School of Physics and Technology, Wuhan University, Wuhan, 430072, Hubei Province, People’s Republic of China
  
• ISSN：1432-0630

文摘

A novel concept based on the use of solutions containing already qualified crystalline antimony-doped tin oxide SnO2:Sb (ATO) nanoparticles has been developed. ATO nanoparticles are decorated by reduced graphene oxide (rGO) through a hydrothermal synthesis method. The electrical and optical properties of the graphene oxide films are investigated systematically. The sheet resistance (R ?/sub>) of the ATO–rGO films decreases with the increase in the rGO content in the precursor solution. The R ?/sub> can be decreased after the ATO–rGO films annealing in the air for 1?h and can be further decreased by depositing Au on the surface of the films. The optimum property of the ATO–rGO film shows that the R ?/sub> is 80 Ω/?and the transmittance is about 70?%. The ATO–rGO films are used as the anode of the organic solar cells. The anode film impact on the performance of the devices is studied. Finally, the power conversion efficiency (PCE) of the device based on the poly-(3-hexylthiophene): [6, 6]-phenyl C61-butyric acid methyl ester (PCBM) blended is 1.85?%, and the PCE of the device based on the poly-benzo[1,2-b:4,5-b′] dithio-phene thieno[3,4-b] thiophene:PCBM blended is 3.4?%.