One-step synthesis of graphitic carbon nitride nanosheets for efficient catalysis of phenol removal under visible light

doi:10.1016/S1872-2067(17)62907-3

Abstract

Abstract:

Graphitic carbon nitride (g-C₃N₄) nanosheet photocatalysts were synthesized via a facile impregnation-thermal method. The as-prepared materials were characterized and investigated as metal-free photocatalysts for the degradation of phenol in aqueous solution under visible light. Results revealed that the g-C₃N₄ nanosheets exhibited a 78.9% degradation for phenol after 30 min, which was much faster than that of the pristine g-C₃N₄. Using Brunauer-Emmett-Teller theory, the surface area of g-C₃N₄ nanosheets was 103.24 m²/g, which was much larger than that of g-C₃N₄. The larger surface area increases the contact area of the material with phenol, enhancing the photocatalytic activity. These results highlight the potential application of sustainable metal-free photocatalysts in water purification.

Key words: g-C₃N₄ nanosheet, Phenol degradation, Polymer, Semiconductor, Photocatalyst

Wang Ding, Suqin Liu, Zhen He. One-step synthesis of graphitic carbon nitride nanosheets for efficient catalysis of phenol removal under visible light[J]. Chinese Journal of Catalysis, 2017, 38(10): 1711-1718.

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URL: https://www.cjcatal.com/EN/10.1016/S1872-2067(17)62907-3

https://www.cjcatal.com/EN/Y2017/V38/I10/1711

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