Journal
LANGMUIR
Volume 29, Issue 33, Pages 10566-10572Publisher
AMER CHEMICAL SOC
DOI: 10.1021/la402268u
Keywords
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Funding
- National Basic Research Program of China (973 Program) [2013CB632403]
- National High Technology Research and Development Program of China [2012AA062701]
- National Natural Science Foundation of China [20925725, 50972070]
- Atmospheric Environment Monitoring & Pollution Control Program of Jiangsu Province [AEMPC201103]
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Nanoporous g-C3N4 (npg-C3N4) with high surface area was prepared by a bubble-templating method. A higher calcination heating rate and proportion of thiourea can result in a larger surface area and better adsorption and photodegradation activities of npg-C3N4. Compared with the bulk g-C3N4, the adsorption capacity for the target pollutants and photocatalytic degradation and photocurrent performances under visible light irradiation of npg-C3N4 were greatly improved. The optimal photodegradation activity of npg-C3N4 was 3.4 times as high as that of the bulk g-C3N4. The enhanced activities of npg-C3N4 can be attributed to the larger number of surface active sites, improved separation of photogenerated electron-hole pairs, and higher efficiency of charge immigration.
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