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Synthesis and properties of nanocrystal up-converting materials for thin film solar cells
Author(s) -
Xin Jin,
Xiaodan Zhang,
类智方 Lei Zhifang,
Shaozhen Xiong,
Feng Song,
Zhao Ying
Publication year - 2008
Publication title -
acta physica sinica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.57.4580
Subject(s) - materials science , phosphor , doping , yttrium , nanocrystal , thin film , optoelectronics , energy conversion efficiency , infrared , chemical engineering , optics , nanotechnology , physics , engineering , metallurgy , oxide
Nanocrystals of up-conversion phosphorrare earth-doped sodium yttrium fluoride were prepared by hydro-thermal method for the application in thin film solar cells. Effect of Yb3+ and/or Er3+ doped materials on the crystal structure and optical properties were studied. Up-conversion materials with Yb3+/Er3+ co-doped absorb the infrared near 980 nm and 1530nm and emit red (653nm)and green (520nm540nm)lightwhich is well adapted for use in thin film solar cells. Nanoparticels with efficient near-infrared to visible up-conversion fluorescence with appropriate doping concentrations of 18% Yb3+ and 2% Er3+ were prepared.

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