Citation: Gui Qiang Wang, Jun Feng Gu, Shu Ping Zhuo. High dispersion Pt nanoparticles using mesoporous carbon support for enhancing conversion efficiency of dye-sensitized solar cells[J]. Chinese Chemical Letters, ;2010, 21(12): 1513-1516. doi: 10.1016/j.cclet.2010.06.006 shu

High dispersion Pt nanoparticles using mesoporous carbon support for enhancing conversion efficiency of dye-sensitized solar cells

School of Chemical Engineering, Shandong University of Technology, Zibo 255049, China

Received Date: 23 March 2010

Fund Project: This work was supported by National Natural Science Foundations of China (No.20773082) and Shandong Department of Science and Technology (No.2006BS09003).

Mesoporous carbon (MC) with surface area of 380 m²/g was prepared and employed as the carbon support of Pt catalyst for counter electrode of dye-sensitized solar cells. Pt/MC samples containing 1 wt% Pt were prepared by reducing chloroplatinic acid on MC using wet impregnation. It was found that Pt nanoparticles were uniform in size and highly dispersed on MC supports. The average size of Pt nanoparticles is about 3.4 rim. Pt/MC electrodes were fabricated by coating Pt/MC samples on fluorine-doped tin oxide glass. The overall conversion efficiency of dye-sensitized solar cells with Pt/MC counter electrode is 6.62%, which is higher than that of the cells with conventional Pt counter electrode in the same conditions.
- Mesoporous carbon,
- Pt nanoparticles,
- Counter electrode,
- Dye-sensitized solar cells
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