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Energy‐Transfer Modulation for Enhanced Photocatalytic Activity of Near‐Infrared Upconversion Photocatalyst
Author(s) -
Zheng Binbin,
Guo Qiangbing,
Wang Di,
Zhang Hao,
Zhu Yifei,
Zhou Shifeng
Publication year - 2015
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.13232
Subject(s) - photocatalysis , photon upconversion , semiconductor , materials science , ion , infrared , energy transfer , optoelectronics , irradiation , photochemistry , nanotechnology , doping , chemistry , optics , catalysis , physics , chemical physics , biochemistry , organic chemistry , nuclear physics
One of the major challenges of near‐infrared upconversion photocatalyst concerns strengthening the cooperation between Rare‐earth ( RE ) ions and semiconductor materials for enhancing NIR photocatalytic activity. Herein, the basic energy‐transfer (ET) process between RE ions and semiconductor materials is discussed and the appropriate mode, nonradiative ET, is proposed for efficiently coupling them. As an example, a novel NIR ‐based UC photocatalyst, CaIn 2 O 4 : Yb 3+ , Tb 3+ was designed and successfully fabricated, which exhibited high photocatalytic activity under 980 nm irradiation. The present report highlights the potential of ET tuning between RE ions and semiconductors toward high performance of NIR photocatalysis.