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Degradation of Organic Dyes at High Concentration by Zn0.5Cd0.5S/MoS2 in Water: From Performance to Mechanism

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Abstract

In this study, XRD, SEM, TEM, PL, EIS and other characterization methods were used to study the morphology, electron–hole pair recombination efficiency and photocarrier migration rate of the compsite, and analyze the degradation of methylene blue (100 mg/L). Zn0.5Cd0.5S and MoS2 form heterojunction structure, the band gap width decreases a lot, the absorption of visible light is greatly enhanced, the electron–hole recombination efficiency also decreases a lot, and the electron migration rate becomes faster. In the process of photocatalytic degradation of high concentration methylene blue (100 mg/L), the degradation effect of 3%-Zn0.5Cd0.5S/MoS2 is the best, reaching 98.46%, and the degradation rate was 0.0243 min−1. O2−·played a major role in the photocatalytic degradation process.

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All data generated or analyzed during this study are included in this published article.

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Funding

The project was supported by the National Youth Fund Project of China (Grant No. 51404083).

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Authors and Affiliations

  1. The School of Material Science and Chemical Engineering, Harbin University of Science and Technology, Harbin, 150040, China

    Shuyan Qi, Ruiyan Zhang, Yiming Zhang, Kaiyao Zhang & Huanyan Xu

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  1. Shuyan Qi
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  2. Ruiyan Zhang
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  3. Yiming Zhang
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  4. Kaiyao Zhang
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Correspondence to Shuyan Qi.

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Qi, S., Zhang, R., Zhang, Y. et al. Degradation of Organic Dyes at High Concentration by Zn0.5Cd0.5S/MoS2 in Water: From Performance to Mechanism. J Inorg Organomet Polym 32, 3997–4004 (2022). https://doi.org/10.1007/s10904-022-02413-x

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  • DOI: https://doi.org/10.1007/s10904-022-02413-x

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