A preparation method of a Bi2O3 / ZnO heterojunction photocatalyst with island-sea structure, the Bi2O3 / ZnO heterojunction photocatalyst with island-sea structure and application thereof

The preparation of Bi2O3/ZnO heterojunction photocatalysts by solid-phase ball milling-calcination method solves the problems of complex process, poor interface quality and insufficient stability in the existing technology, and realizes high efficiency photocatalytic performance and industrialization potential.

CN122399790APending Publication Date: 2026-07-17TAIYUAN UNIVERSITY OF TECHNOLOGY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
TAIYUAN UNIVERSITY OF TECHNOLOGY
Filing Date
2026-05-06
Publication Date
2026-07-17

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Abstract

本发明涉及一种具有岛‑海结构的Bi2O3 / ZnO异质结光催化剂的制备方法、具有岛‑海结构的Bi2O3 / ZnO异质结光催化剂和其应用。本发明利用固相球磨‑煅烧法彻底摆脱了溶剂、高压反应器和复杂后处理的束缚，建立一种基于固相反应的、绿色、简便、可规模化放大的制备新方法，制备得到的具有岛‑海结构的Bi2O3 / ZnO异质结光催化剂在光吸收范围、光生载流子分离效率、表面反应活性及长期循环稳定性等方面的综合性能显著提升，解决了传统异质结界面传输阻抗高、活性位点易被覆盖等问题。
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