期刊
BULLETIN OF THE KOREAN CHEMICAL SOCIETY
卷 35, 期 2, 页码 415-418出版社
KOREAN CHEMICAL SOC
DOI: 10.5012/bkcs.2014.35.2.415
关键词
Dye-sensitized solar cells; Surface modification; TiO2
资金
- World Class University Program [R31-2008-000-10059-0]
- Basic Science Research Program through the National Research Foundation (NRF) [2012R1A1A2041628]
- Ministry of Education, Science and Technology of Korea
Phenyltrimethoxysilane (PTMS) was anchored onto the sensitized TiO2 nanoparticles. This insulating molecular layer effectively inhibited the charge recombination at the interface of TiO2/electrolyte in the dye sensitized solar cells (DSCs) without sacrificing the dye-loading capacity of the nanocrystalline TiO2. DSCs using PTMS-modified TiO2 exhibited a short-circuit current (J(SC)) of 15.9 mA/cm(2), an open-circuit voltage (V-OC) of 789 mV, and a fill factor (FE) of 68.2%, yielding an overall conversion efficiency (eta) of 8.55% under 100 mW/cm(2) illumination. The resulting cell efficiency was improved by similar to 10% as compared with the reference cell.
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