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EFFICIENT TiO2 NANOPARTICLES/NANORODS COMPOSITE ELECTRODES FOR DYE-SENSITIZED SOLAR CELLS
XIANWEI HUANG,PING SHEN,XIAOMING FENG,ZHUO TAN,SONGTING TAN,BIN ZHAO 성균관대학교(자연과학캠퍼스) 성균나노과학기술원 2012 NANO Vol.7 No.2
A new TiO2 nanoparticles/nanorods composite electrode was fabricated and applied in dye-sensitized solar cells (DSSCs). The TiO2 nanorods were obtained by grinding the electrospun TiO2 nanofibers mechanically. The composite photoanode of dye-sensitized solar cells was fabricated by using TiO2 nanoparticles (P25) and electrospun TiO2 nanorods. At the optimized condition, the power conversion efficiency (η) based on a triphenylamine dye (SD2) and a ruthenium dye (N719) are 8.28% and 8.80% under AM 1.5 illumination (100 mW ⋅ cm-2), respectively. The results show that the electrospun TiO2 nanorods in the composite photoanode improve the physicochemical properties and enhance the photovoltaic performances of solar cells.