Journal
JOURNAL OF PHYSICAL CHEMISTRY C
Volume 116, Issue 5, Pages 3266-3273Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jp209130x
Keywords
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Funding
- Swiss National Science Foundation
- National Basic Research Program of China (973 Program) [2011CBA00703]
- National Natural Science Foundation of China [20903030, 201173091]
- Chinese Ministry of Education
- Program of New Century Excellent Talents in University [NCET-10-0416]
- HUST [2011TS021]
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TiO2 nanorod arrays were prepared on top of a transparent conductive glass substrate covered with a thin TiO2 compact layer. Solid-state dye-sensitized solar cells (SSDSCs) were fabricated using these structured TiO2 films sensitized with C106 dye as a photoanode and 2,2',7,7'-tetrakis-(N,N-dipmethoxyphenylamine) 9,9'-spirobifluorene (spiro-MeOTAD) as the organic hole-transporting material. Photovoltaic power conversion efficiency of 2.9% was obtained at full sunlight intensity. The electron lifetime as well as the electron diffusion coefficient in the device was determined by charge extraction, transient photovoltage decay, and open-circuit photovoltage decay experiments.
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