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A Conductive Hybridization Matrix of RuO 2 Two‐Dimensional Nanosheets: A Hybrid‐Type Photocatalyst
Author(s) -
Lee Jang Mee,
Mok Eun Kyung,
Lee Seul,
Lee NamSuk,
Debbichi Lamjed,
Kim Hyungjun,
Hwang SeongJu
Publication year - 2016
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.201601494
Subject(s) - nanosheet , photocatalysis , materials science , graphene , semiconductor , nanotechnology , hybrid material , charge carrier , chemical engineering , optoelectronics , catalysis , chemistry , organic chemistry , engineering
A universal methodology to efficiently improve the photocatalyst performance of semiconductors was developed by employing exfoliated RuO 2 two‐dimensional nanosheets as a conducting hybridization matrix. The hybridization with a RuO 2 nanosheet is easily achieved by crystal growth or electrostatically derived anchoring of semiconductor nanocrystals on the RuO 2 nanosheet. An enhanced chemical interaction of inorganic semiconductor with hydrophilic RuO 2 nanosheet is fairly effective in optimizing their photocatalytic activity and photostability by the enhancement of charge separation and charge mobility. The RuO 2 ‐containing nanohybrids show much better photocatalyst functionalities than do the graphene‐containing ones. The present study clearly demonstrates that hydrophilic RuO 2 nanosheets are superior hybridization matrices, over the widely used hydrophobic graphene nanosheets, for exploring new efficient hybrid‐type photocatalysts.