期刊
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
卷 12, 期 4, 页码 3305-3308出版社
AMER SCIENTIFIC PUBLISHERS
DOI: 10.1166/jnn.2012.5567
关键词
Dye-Sensitized Solar Cells; N-Doped TiO2; Electron Lifetime; Fluorescence Materials; Light Harvesting Character; Photon-to-Current Efficiency
类别
资金
- National Research Foundation of Korea (NRF)
- Ministry of Education, Science and Technology [2009-0067142]
- Yeungnam University
- National Research Foundation of Korea [2009-0067142] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Nitrogen-doped TiO2 crystallites were prepared via the hydrolysis of TiCl4 using an ammonia medium in an aqueous solution for DSSC photoelectrodes. The optimized photoelectrode for the DSSC was prepared with 9.4 nm sized N-doped TiO2 crystal (BET; 200 m(2)/g), which provides a relatively high short circuit current and energy conversion efficiency in the DSSC. The photovoltaic performance of the N-doped TiO2 electrode was confirmed using incident photon-to-current efficient spectra, impedance analyses, and Bode-phase plots which proved that the N-doped TiO2 electrode has a significantly enhanced electron lifetime compared with that of the P25 electrode.
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