Hematite photoanode and preparation method and application thereof
By doping hematite with tin and constructing Sn-Fe2O3/In2O3 heterojunctions, the problem of low charge separation and transport efficiency of hematite photoanodes was solved, achieving stable and selective conversion of highly efficient photoelectrocatalytic selective oxidation of glycerol to glyceric acid.
CN122406290APending Publication Date: 2026-07-17QINGDAO UNIV
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- QINGDAO UNIV
- Filing Date
- 2026-04-27
- Publication Date
- 2026-07-17
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Figure CN122406290A_ABST
Abstract
本发明涉及光电半导体材料技术领域，特别是涉及一种赤铁矿光阳极及其制备方法和应用，所述制备方法包括：将六水三氯化铁、硝酸钠、水混合，得到混合溶液；将混合溶液与结晶四氯化锡乙醇溶液混合，得到水热溶液；将预处理导电载体置于水热溶液中，水热反应后进行热处理，得到Sn‑Fe2O3光阳极；将三氯化铟、尿素、水混合，得到氧化铟的水热溶液；将Sn‑Fe2O3光阳极置于氧化铟的水热溶液中，水热反应后进行烧结，得到Sn‑Fe2O3 / In2O3光阳极；将其置于硼氢化钠水溶液中浸泡，得到赤铁矿半导体光阳极。本发明通过对赤铁矿进行表面改性，实现赤铁矿光阳极性能的提升，同时针对性提升光电催化甘油转化的活性与产物选择性。
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