Journal
CHEMICAL PHYSICS LETTERS
Volume 653, Issue -, Pages 190-195Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cplett.2016.04.091
Keywords
Reduced graphite oxide; TiO2 nanosheet; Two-dimensional assembly; Hydrogen evolution
Funding
- National Natural Science Foundation of China [51372071]
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The titanic acid sheets were prepared by one-step hydrazine hydrate-assisted hydrothermal process. Then the reduced graphite oxide (rGO)@TiO2 nanosheet composites were finally obtained through ultrasonic exfoliation and following calcination treatment process. rGO@TiO2 nanosheet composites show excellent hydrogen production performance under AM1.5 light source. The highest hydrogen evolution yield (923.23 mu mol) is nearly two times higher than that of pure TiO2, mainly due to the special electron structure and more active sites for TiO2 nanosheet. The introduction of graphene could improve the TiO2 nanosheet stability and extend visible-light absorption range. (C) 2016 Elsevier B.V. All rights reserved.
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