Journal
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
Volume 42, Issue 37, Pages 23568-23577Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2017.01.047
Keywords
CuS; ZnS1-xOx; g-C3N4; Photocatalyst; Hydrogen production
Categories
Funding
- Ministry of Science and Technology [MOST 104-2221-E-035-075]
Ask authors/readers for more resources
A novel CuS-ZnS1-xOx/g-C3N4 nanocomposites were prepared by a thermal decomposition process and a hydrothermal method. The effects of the Cu(NO3)(2) dopant precursor concentration and weight ratio of g-C3N4/ZnS1-xOx on the morphology, crystalline properties, optical property, photocurrent were investigated by using the field-emission scanning electron microscope (FESEM), high-resolution transmission electron microscopy (HRTEM), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), diffuse reflectance spectra (DRS), photocurrent response, and hydrogen production tests. Decorating CuS improved the absorption of the heterostructured photocatalysts. H-2 production rate was increased from 9200 to 10,900 mu mol h(-1) g(-1) by incorporating CuS. By loading 5 wt% g-C3N4 on CuS- ZnS1-xOx, the maximal hydrogen production rate of the composite catalyst reached 12,200 mu mol g(-1)h(-1) under UV light irradiation. Introducing g-C3N4 helps to separate photogenerated electron-hole pairs. After being operated for 3 cycles, the recycled CuS ZnS(1-x)O(x)g-C3N4 photocatalyst retained 87% of its original activity. (C) 2017 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available