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Effects of Eu 3+ and Er 3+ Doping on Photoelectrical Performance of Dye‐Sensitized Solar Cells
Author(s) -
Huang ShiHua
Publication year - 2013
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/jace.12446
Subject(s) - dye sensitized solar cell , doping , luminescence , materials science , energy conversion efficiency , ion , photoelectric effect , layer (electronics) , electrode , optoelectronics , ultraviolet , visible spectrum , photochemistry , chemistry , nanotechnology , electrolyte , organic chemistry
A novel tri‐layer film photoelectrode structure of DSSC by introducing Eu 3+ and Er 3+ ions into TiO 2 film was proposed. The photoelectric conversion efficiency of the DSSC with Er 3+ : TiO 2 / Eu 3+ : TiO 2 / TiO 2 tri‐layer electrode reaches 7.41%, increased by a factor of 1.44 compared to that of the DSSC without Eu 3+ and Er 3+ doping. The higher efficiency for DSSC with the tri‐layer electrode is mainly attributed to the down‐conversion luminescence effect by Eu 3+ ions from ultraviolet light to visible light and up‐conversion luminescence effect by Er 3+ ions from infrared light to visible light.