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Microwave‐Assisted Synthesis of Porous Ag 2 S–Ag Hybrid Nanotubes with High Visible‐Light Photocatalytic Activity
Author(s) -
Yang Wenlong,
Zhang Lei,
Hu Yong,
Zhong Yijun,
Wu Hao Bin,
Lou Xiong Wen David
Publication year - 2012
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201206715
Subject(s) - photocatalysis , sulfidation , methyl orange , materials science , microwave , visible spectrum , nanorod , microwave irradiation , chemical engineering , aqueous medium , aqueous solution , sulfur , nanotechnology , nuclear chemistry , optoelectronics , chemistry , computer science , organic chemistry , catalysis , telecommunications , engineering , metallurgy
Brought to light : Ag 2 S–Ag hybrid nanotubes were synthesized by rapid microwave‐assisted sulfidation of Ag 2 CO 3 nanorods. The relative amounts of Ag 2 S and Ag in the hybrid structure can be controlled easily by varying the concentration of the sulfur precursor. The optimized Ag 2 S–Ag hybrid structure has superior photocatalytic activity (yellow) for both degradation of methyl orange (see graph) and reduction of aqueous Cr VI under visible‐light irradiation.

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