期刊
JOURNAL OF ALLOYS AND COMPOUNDS
卷 563, 期 -, 页码 229-233出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2013.02.086
关键词
Dye-sensitized solar cell; Reduced graphene oxide-TiO2 nanoparticle composites; Solvothermal method; Photovoltaic performance
资金
- National Basic Research Program of China [2009CB939704]
- Defense Industrial Technology Development Program [B1420110168]
- National Nature Science Foundation of China [51072152, 51072145, 51161140399]
- Educational Commission of Hubei Province of China [C2010007]
- Natural Science Foundation of Hubei Province [2010CDA015]
- Wuhan Scientific and Technological Project [201051730550]
- Science-Technology Chenguang Foundation of Wuhan [201150431087]
- Fundamental Research Funds for the Central Universities [2012-IV-007]
In the present work, the reduced graphene oxide (RGO)-TiO2 nanocrystals composites are prepared by a simple solvothermal method, and then are used as the photo-anodes in dye-sensitized solar cells (DSSCs). The result shows that the decoration of the P25 nanoparticles with reduced graphene oxide will favor for the promotion of the conversion efficiency in DSSCs. The photo-anodes films of 0.75 wt% RGO-TiO2 composites reach the best conversion efficiency of 5.5%, and it's of 31% higher than that of the pure P25 photoanodes films, which lies in the fact that the reduced graphene oxide in the TiO2 composites may reduce the intrinsic resistance and prolong the life-time of the electron transfer in DSSCs. (C) 2013 Elsevier B.V. All rights reserved.
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