Journal
APPLIED SURFACE SCIENCE
Volume 488, Issue -, Pages 611-619Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2019.05.302
Keywords
Doped rGO; Solvothermal technique; Photocatalysts; Pollutant degradation; Hydrogen generation
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Funding
- International Cooperation Program of the Ministry of Science and Technology of China [2015DFR00720]
- International Cooperation Project of Wuhan Science and Technology Bureau [2016030409020219]
- China Postdoctoral Science Foundation [2017M622404]
- Shenzhen Committee on Science and Technology Innovation [JCYJ20170818112901473]
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Nitrogen-doped reduced graphene oxide (N-rGO) has been successfully hybridized with ZnO nanorods via sol-vothermal method. The physicochemical properties of the composite are investigated via different techniques. The optical and electrochemical analysis including photocurrent response, and electrochemical impedance spectroscopy revealed that ZnO/N-rGO nanocomposite exhibited increased visible-light absorption and improved charge separation leading to the enhanced photocatalytic activities for the degradation of 2,4-di-chlorophenol (2,4-DCP) under visible-light illumination (>= 420 nm). Photocatalytic experimental results indicated that the present nanocomposite photocatalyst showed significantly higher visible-light photocatalytic H-2-evolution activity (13.7 mu mol h(-1)) than the pure ZnO nanorods (3.1 mu mol h(-1)).
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