Enhanced Electron Lifetime on Nitrogen-Doped TiO2 Films for Dye-Sensitized Solar Cells

Title
Enhanced Electron Lifetime on Nitrogen-Doped TiO2 Films for Dye-Sensitized Solar Cells
Author(s)
윤태관[윤태관]천종훈[천종훈]배재영[배재영]안광순김재홍
Keywords
PHOTOCATALYTIC ACTIVITY; LIGHT; CONVERSION; TITANIA
Issue Date
201204
Publisher
AMER SCIENTIFIC PUBLISHERS
Citation
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY, v.12, no.4, pp.3305 - 3308
Abstract
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.
URI
http://hdl.handle.net/YU.REPOSITORY/28681http://dx.doi.org/10.1166/jnn.2012.5567
ISSN
1533-4880
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공과대학 > 화학공학부 > Articles
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