期刊
JOURNAL OF SOLID STATE CHEMISTRY
卷 220, 期 -, 页码 54-59出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jssc.2014.08.016
关键词
TiO2 nanobelt; g-C3N4; Photocatalysis; Hydrogen evolution; Photodegradation
资金
- National Basic Research Pro-gram of China (973 Program) [2013CB733501]
- National Natural Science Foundation of China [NSFC-21306169, 21176221, 21136001, 21101137, 91334103]
A novel g-C3N4/TiO2 nanobelt (NB) heterostructure was successfully designed and prepared. The as prepared g-C3N4/TiO2 NB heterostructure exhibited high photocatalytic activity not only in the photodegradation of Rhodamine B (RhB) but also in photocatalytic H-2 production. The g-C3N4/TiO2 NB heterostructure with a mass ratio of 1:1 demonstrated the best performance in the photodegradation of RhB, whereas a mass ratio of 3:1 demonstrated the highest H-2 production rate of 46.6 mu mol h(-1) in photocatalytic H-2 production. We conclude that the synergistic effect between g-C3N4 and TiO2 NBs promotes the photogenerated carrier separation in space. This valuable insight into the rational architectural design of nanostructure-based photocatalysts is expected to shed light on other photocatalytic reaction systems in the future. (C) 2014 Elsevier Inc. All rights reserved.
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