[Ni（DOTA）]的合成及其光催化产氢的应用

李 立楷, 李 海欣, 杜 宇聪, 曾 佳晴, 项 钰玲, 张 燕*
东莞市城市学院　城建与智造学院

摘要


利用太阳光催化分解水制氢，既能满足人类的能源需求、又不污染环境，是解决未来能源问题的一条重要途径。本文报道了一种基于镍配合物（[NiII（DOTA）]）与CdS纳米棒（1D NWs）协同作用的光催化水分解体系，并对其进行系统的光催化析氢实验，优化其工作条件，以期达到最佳的催化效果。实验结果表明，该体系在可见光（λ=469 nm）下，体系展现出优越的产氢性能（10 h的产氢量为252.037 mmol），显著提高的光催化性能归因于（[NiII（DOTA）]）暴露出丰富的未配位活性位点和多孔形态的协同作用、增强可见光吸收、改善光致电荷分离。本工作为设计高效非贵金属光催化体系提供了新的维度工程策略与配位化学调控思路。

关键词


镍配合物（[NiII（DOTA）]）；CdS；光催化产氢

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参考


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