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Citation: Guangming YIN, Huaiyao WANG, Jianhua ZHENG, Xinyue DONG, Jian LI, Yi'nan SUN, Yiming GAO, Bingbing WANG. Preparation and photocatalytic degradation performance of Ag/protonated g-C3N4 nanorod materials[J]. Chinese Journal of Inorganic Chemistry, ;2024, 40(8): 1491-1500. doi: 10.11862/CJIC.20240086 shu

Preparation and photocatalytic degradation performance of Ag/protonated g-C3N4 nanorod materials

  • 1.

    College of Chemistry and Chemical Engineering, Qiqihar University, Qiqihar, Heilongjiang 161006, China

  • 2.

    Analysis and Test Center, Qiqihar University, Qiqihar, Heilongjiang 161006, China

  • Corresponding author: Guangming YIN, qdyingm@163.com
  • Received Date: 19 March 2024
    Revised Date: 28 June 2024

Figures(9)

  • Protonated g-C3N4 nanorod loaded with Ag (Ag/pCN) materials were prepared. The photocatalytic degradation of methylene blue (MB) solution was compared between g-C3N4 (CN), CN loaded with Ag (Ag/CN), pCN, and Ag/pCN under visible light. Ag/pCN had the highest photocatalytic efficiency of 92.63% and exhibited good stability. The mechanism of photocatalytic degradation of MB by Ag/pCN was investigated through the photocurrent-time (I-t) curve, Nyquist curve, Mott-Schokkty curve, and capture experiment. Although the π conjugated system of pCN was disrupted, the synergistic effect of forming nanorods, increasing specific surface area, and loading Ag resulted in the excellent photocatalytic performance of Ag/pCN. Hydroxyl radicals (·OH) are the main active substances in the photocatalytic process. The active substance ·OH is produced by the reaction of photo-generated electrons (e-) with O2, as well as photo-generated holes (h+) with H2O or OH-.
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