期刊
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
卷 418, 期 -, 页码 -出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jphotochem.2021.113406
关键词
Hydrogen production; Photocatalysis; Photoreactor; Titanium dioxide; rGO
资金
- MICINN/FEDER [RTI2018-093996-B-C31, GC 2017 SGR 128]
- National Science Centre (Poland) [DEC-2012/06/A/ST5/00226]
A mixture of titanium dioxide and reduced graphene oxide was tested in the photoproduction of hydrogen using UV light in a gas phase water-ethanol combination. The addition of reduced graphene oxide enhanced the photocatalytic activity, with the best catalyst being a TiO2-rGO composite.
Titanium dioxide mixed with reduced graphene oxide (rGO) has been tested in the photoproduction of hydrogen using UV light from water-ethanol combination in gas phase. The presence of the reduced graphene oxide in TiO2/rGO nanocomposites affects the physicochemical properties of hybrid materials, thus enhancing the photocatalytic activity. The obtained catalysts have been characterized for physical-chemical properties using X-ray diffraction (XRD), UV-vis spectroscopy, Raman spectroscopy, transmission electron microscopy (TEM)/highresolution transmission electron microscopy (HRTEM), and Brauner Emmett Teller (BET). The best photocatalyst has been obtained by mixing anatase and rGO (10 wt%) after calcination at 700 degrees C. This TiO2-rGO composite exhibited the highest performance with a hydrogen photogeneration rate of 9.5 mmol h-1 g-1.
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