4.8 Article

Thermoelectric Bi2Te3-improved charge collection for high-performance dye-sensitized solar cells

Journal

ENERGY & ENVIRONMENTAL SCIENCE
Volume 5, Issue 4, Pages 6294-6298

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c1ee02385c

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Funding

  1. Institute for Clean Energy & Advanced Materials, Southwest University, Chongqing, P. R. China
  2. Agency for Science, Technology and Research (A*Star), Singapore under SERC [072 134 0054]

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A new dye-sensitized solar cell based on a thermoelectric Bi2Te3/TiO2 composite anode is demonstrated, in which the incorporated Bi2Te3 nanoplates function as built-in nanoscale electron generators to convert waste heat to electricity and as a good photoreaction catalyst to enhance the charge transfer rate, resulting in 28% improvement of the overall power conversion efficiency.

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