期刊
ACS NANO
卷 4, 期 4, 页码 2196-2200出版社
AMER CHEMICAL SOC
DOI: 10.1021/nn9015696
关键词
photovoltaic wires; dye-sensitized; nanotube arrays
类别
资金
- U.S. Department of Energy [DE-FC36-06GO86066]
Dye-sensitized photovoltaic wires (DSPVWs) are developed using anodized Ti wires that contain ordered arrays of TiO2 nanotubes. The prototype DSPVW consists of N719 dye-adsorbed TiO2 nanotube arrays around a Ti wire as a working electrode, a platinum wire as a counter electrode, and an organic electrolyte encased in a capillary glass tube. The effect of length of nanotube arrays on the photovoltaic performance of DSPVWs is studied systematically. A solar-to-electric conversion efficiency of 2.78% is achieved with 55 mu m long nanotubes under 98.3 mW/cm(2) AM 1.5 simulated full light. The prototype device is capable of achieving a long distance transport of photocurrent and harvesting all light from any direction in surroundings to generate electricity.
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