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Application of Y 2 O 3 :Er 3+ Nanorods in Dye‐Sensitized Solar Cells
Author(s) -
Wang Jiangli,
Wu Jihuai,
Lin Jianming,
Huang Miaoliang,
Huang Yunfang,
Lan Zhang,
Xiao Yaoming,
Yue Gentian,
Yin Shu,
Sato Tsugio
Publication year - 2012
Publication title -
chemsuschem
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.412
H-Index - 157
eISSN - 1864-564X
pISSN - 1864-5631
DOI - 10.1002/cssc.201100596
Subject(s) - dye sensitized solar cell , nanorod , photocurrent , energy conversion efficiency , materials science , hydrothermal circulation , doping , solar cell , auxiliary electrode , ion , electrode , luminescence , optoelectronics , analytical chemistry (journal) , nanotechnology , chemistry , electrolyte , chemical engineering , organic chemistry , chromatography , engineering
Y 2 O 3 :Er 3+ nanorods are synthesized by means of a hydrothermal method and then introduced into a TiO 2 electrode in a dye‐sensitized solar cell (DSSC). Y 2 O 3 :Er 3+ improves infrared light harvest via up‐conversion luminescence and increases the photocurrent of the DSSC. The rare earth ions improve the energy level of the TiO 2 electrode through a doping effect and thus increase the photovoltage. The light scattering is ameliorated by the one‐dimensional nanorod structure. The DSSC containing Y 2 O 3 :Er 3+ (5 wt %) in the doping layer achieves a light‐to‐electric energy conversion efficiency of 7.0 %, which is an increase of 19.9 % compared to the DSSC lacking of Y 2 O 3 :Er 3+ .
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