Nano Archive

Low-Cost Flexible Nano-Sulfide/Carbon Composite Counter Electrode for Quantum-Dot-Sensitized Solar Cell

Deng, MH and Zhang, QX and Huang, SQ and Li, DM and Luo, YH and Shen, Q and Toyoda, T and Meng, QB (2010) Low-Cost Flexible Nano-Sulfide/Carbon Composite Counter Electrode for Quantum-Dot-Sensitized Solar Cell. NANOSCALE RESEARCH LETTERS . ISSN 1931-7573

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Abstract

Cu2S nanocrystal particles were in situ deposited on graphite paper to prepare nano-sulfide/carbon composite counter electrode for CdS/CdSe quantum-dot-sensitized solar cell (QDSC). By optimization of deposition time, photovoltaic conversion efficiency up to 3.08% was obtained. In the meantime, this composite counter electrode was superior to the commonly used Pt, Au and carbon counter electrodes. Electrochemical impedance spectra further confirmed that low charge transfer resistance at counter electrode/electrolyte interface was responsible for this, implied the potential application of this composite counter electrode in high-efficiency QDSC.

Item Type:Article
Subjects:Material Science > Nanochemistry
ID Code:9760
Deposited By:CSMNT
Deposited On:28 Oct 2010 10:29
Last Modified:28 Oct 2010 10:29

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