期刊
INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE
卷 13, 期 5, 页码 4981-4990出版社
ESG
DOI: 10.20964/2018.05.83
关键词
Photocatalytic degradation; Graphitic carbon nitride; Silver nanoparticles; Sputtering method; Electrochemical impedance spectroscopy
资金
- National Natural Science Foundation of China [51528202, 51671136, 51502172]
- International Science and Technology Collaboration Project of Shanghai [17520710300]
Graphitic carbon nitride (g-C3N4) powder was synthesized using a thermal polymerization method. Silver nanoparticles were uniformly deposited on thin sheets of g-C3N4 using a simple sputtering method. Pure g-C3N4 and Ag/g-C(3)N(4 )were tested for photocatalytic degradation performance of Rhodamine B dye under visible light. The degradation tests show that photocatalytic activity of heterostructured Ag/g-C3N4 was greatly enhanced compared with that of pure g-C3N4 even with as little as 0.08 wt% added silver. The percentage of silver used is significantly lower than that used in previous studies of Ag/g-C3N4 composite catalysts. The Ag/g-C3N4 catalyst also shows excellent stability over multiple reaction cycles.
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