NDLI: Construction of novel three dimensionally ordered macroporous carbon nitride for highly efficient photocatalytic activity

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Construction of novel three dimensionally ordered macroporous carbon nitride for highly efficient photocatalytic activity

Content Provider	Semantic Scholar
Author	Yang, Guidong Yang, Bolun Zhao, Yuxin
Copyright Year	2016
Abstract	Abstract The construction of multi-porous nanostructured g-C 3 N 4 photocatalyst is an efficient strategy to separate charge carriers and enhance the photocatalytic activity in the visible light region. Here we utilized a simply thermal condensation-assisted colloidal crystal template method to construct the novel and highly efficient three dimensionally ordered macroporous (3DOM) g-C 3 N 4 photocatalyst for the photocatalytic oxidation of pollutants. The effects of microstructure, crystallinity, textural properties and optical absorption ability on the photocatalytic activity of 3DOM g-C 3 N 4 have been systematically probed. Characterization and photocatalytic test results showed that the 3DOM architecture has the unique structure sensitive property to light trapping, reactant transfer and photoreaction, and this property leads 3DOM g-C 3 N 4 to produce a narrowed electronic band gap (2.65 eV) and own superior photocatalytic performance for the degradation of organic dye. Compared to pure g-C 3 N 4 (lamellar structure), 3DOM g-C 3 N 4 shows approximately 5.3 times higher catalytic activity. A possible mechanism of the photoactivity enhancement was proposed based on the photocurrent measurement, photoluminescence analysis and the quenching experiments. This work highlights that the construction of 3DOM architecture could provide a useful strategy to design and fabricate highly efficient g-C 3 N 4 photocatalysts.
Starting Page	276
Ending Page	285
Page Count	10
File Format	PDF HTM / HTML
DOI	10.1016/j.apcatb.2016.05.069
Alternate Webpage(s)	http://www.gr.xjtu.edu.cn/c/document_library/get_file?folderId=1765973&name=DLFE-80941.pdf
Alternate Webpage(s)	https://doi.org/10.1016/j.apcatb.2016.05.069
Volume Number	198
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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