期刊
SMALL
卷 14, 期 19, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/smll.201800416
关键词
3D aerogels; graphitic carbon nitride; NO removal; recyclability; visible-light irradiation
类别
资金
- National Key R&D Program of China [2017YFC0210906, 2017YFC0210901]
- Science and Technology Program for Social Development of Jiangsu [BE2015637]
- National Natural Science Foundation of China [51573122, 21776190, 21722607]
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
- Natural Science Foundation of the Jiangsu Higher Education Institutions of China [17KJA430014, 17KJA150009]
3D materials are considered promising for photocatalytic applications in air purification because of their large surface areas, controllability, and recyclability. Here, a series of aerogels consisting of graphitic-carbon nitride (g-C3N4) modified with a perylene imide (PI) and graphene oxide (GO) are prepared for nitric oxide (NO) removal under visible-light irradiation. All of the photocatalysts exhibit excellent activity in NO removal because of the strong light absorption and good planarity of PI-g-C3N4 coupled with the favorable charge transport properties of GO, which slow the recombination of electron-hole pairs. The aerogel containing thiophene displays the most efficient NO removal of the aerogel series, with a removal ratio of up to 66%. Density functional theory calculations are conducted to explain this result and recycling experiments are carried out to verify the stability and recyclability of these photocatalysts.
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