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- Title
Solution processable reduced graphene oxide decorated ATO electrode for organic solar cells.
- Authors
Zheng, Qiao; Fang, Guojia; Cheng, Shuying; Lai, Yunfeng; Yu, Jinling
- Abstract
A novel concept based on the use of solutions containing already qualified crystalline antimony-doped tin oxide SnO: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) of the ATO-rGO films decreases with the increase in the rGO content in the precursor solution. The R 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 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 %.
- Subjects
GRAPHENE oxide; SOLUTION (Chemistry); CHEMICAL processes; CHEMICAL reduction; ANTIMONY; TIN oxides; ELECTROCHEMICAL electrodes; SOLAR cells
- Publication
Applied Physics A: Materials Science & Processing, 2014, Vol 117, Issue 3, p1095
- ISSN
0947-8396
- Publication type
Article
- DOI
10.1007/s00339-014-8563-4