Fluorine-doped ZnIn2S4 photocatalyst as well as preparation method and application thereof
By doping ZnIn2S4 with fluorine atoms to form F-ZnIn2S4 photocatalyst, the problem of high recombination rate of photogenerated carriers is solved, and the efficient photocatalytic degradation of VOCs is achieved.
CN122273544APending Publication Date: 2026-06-26SHANYING INT HLDG CO LTD
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Patent Information
- Application Number
- CN202610301804.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2026-03-12
- Publication Date
- 2026-06-26
AI Technical Summary
Technical Problem
The high recombination rate of photogenerated carriers under photoexcitation conditions limits the photocatalytic performance of ZnIn2S4 photocatalyst.
Method used
By doping ZnIn2S4 with fluorine atoms (F-), an F-ZnIn2S4 photocatalyst is formed. The spherical nanoflower structure is adopted, and the electronic modulation capability of F- and the introduced impurity energy level are used to adjust the band structure, thereby improving the separation efficiency of photogenerated carriers.
Benefits of technology
The photocatalytic activity of ZnIn2S4 is enhanced, enabling it to effectively degrade VOCs in the air in a short time, demonstrating excellent catalytic performance and stability.
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Abstract
The invention provides a fluorine-doped ZnIn2S4 photocatalyst as well as a preparation method and application thereof, the morphology of the fluorine-doped ZnIn2S4 photocatalyst is of a spherical nanoflower structure, and the spherical nanoflower structure is formed by arranging nanosheets. The preparation method comprises the following steps: (1) adding ZnCl2, InCl3. 4H2O and thioacetamide into water, and stirring to obtain a mixed solution A; (2) adding a fluorine source into the mixed solution A, and uniformly mixing to obtain a mixed solution B; and (3) carrying out hydrothermal reaction on the mixed solution B, separating out a separation product after the reaction is completed, washing and drying to obtain the F-ZnIn2S4 photocatalyst. The fluorine-doped ZnIn2S4 photocatalyst disclosed by the invention has efficient photocatalytic activity.
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