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標題: Improvement of Photovoltaic Performance of Dye-Sensitized Solar Cell by Post Heat Treatment of Polymer-Capped Nano-Platinum Counterelectrode
作者: Lan, Jo-Lin
Wan, Chi-Chao
Wei, Tzu-Chien
Hsu, Wen-Chi
Peng, Chao
Chang, Ya-Huei
Chen, Chih-Ming
關鍵字: Photovoltaic;Pt;annealing
Project: International Journal of Electrochemical Science, Volume 6, Page(s) 1230-1236.
A post heat treatment is developed to improve the “two-step dip coating process” in which poly-N-vinyl-2-pyrrolidone (PVP)-capped Pt nanoclusters are deposited with the aid of appropriate conditioner on transparent conductive oxide (TCO) glass as counterelectrode for dye-sensitized solar cell (DSSC). Charge transfer resistance (RCT) is found only 0.56 -cm2 for this annealed counterelectrode. The improvement of RCT is attributed to the removal of conditioner by the post heat treatment at 270 oC, which enhances the electrical contact between the Pt nanoclusters and the TCO glass, and thereby accelerates the charge transfer. The DSSC employing this annealed counterelectrode achieves a high energy conversion efficiency over 8%.
ISSN: 1452-3981
Appears in Collections:化學工程學系所

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