Highly efficient photocatalytic H2O2 production by tubular g-C3N4/ZnIn2S4 nanosheet heterojunctions via improved charge separation
Source abstract
Abstract
过氧化氢(H2O2)是一种环保的活性氧和重要的绿色氧化剂. 然而, 到目前为止, 实现高效和绿色可持续H2O2生产仍然面临挑战. 本文中, 我们展示了管状氮化碳(TCN)和ZnIn2S4 (ZIS)纳米片(TCN/ZIS)异质结的光催化产H2O2 性能: 3 小时内H2O2 的生产速率为 2.77 mmol g−1 h−1, 分别为单独的TCN和ZIS的3.4倍和23.1倍. 实验结果表明, TCN/ZIS异质结优异的光催化活性主要源于ZIS促进了电荷分离, 从而通过将O2还原为·O2−, 然后生成H2O2来实现质子耦合电子转移过程. 该工作提出了一种高效、 绿色的H2O2生产策略, 对环境修复具有重要科学意义和实用价值.
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Research context
OpenAlex topics: Advanced Photocatalysis Techniques · Advanced Nanomaterials in Catalysis · Perovskite Materials and Applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (56)
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