用 MOF 前驱体制备 CdS 的合成与光形成反应

IF 3 4区 化学 Q3 CHEMISTRY, PHYSICAL
Sora Kamata, Dr. Haruki Nagakawa, Ayako Inaguma, Dr. Morio Nagata
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引用次数: 0

摘要

光转化反应可以在分解有机废物的同时产生氢气,是解决能源枯竭和气候变化等长期存在的全球性问题的一种可行方法。然而,作为此类反应的最佳催化剂之一,ZnS 光催化剂对可见光的反应不充分,因此反应的扩展性受到限制。本研究利用金属有机框架(MOF)前体(即 Cd-MOF)制备了 CdS 光催化剂。在准日光条件下,制备的 CdS 在木质纤维素生物质的光转化过程中表现出很高的制氢活性。这种活性大约是通过传统水热合成(HT)制备的 CdS 的 13.4 倍。此外,CdS 还能利用太阳光可见光区的光能,提供了较高的量子产率,并证明了反应的可扩展性潜力。这项研究的结果将有助于制备新型材料,实现可持续高效制氢。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Synthesis and Photoreforming Reaction of CdS Prepared from MOF Precursor

Synthesis and Photoreforming Reaction of CdS Prepared from MOF Precursor

The photoreforming reaction, which can produce hydrogen simultaneously with the decomposition of organic waste, is a promising method for resolving longstanding global issues such as the depletion of energy resources and climate change. However, ZnS photocatalysts, one of the most optimal catalysts for such reactions, has an inadequate visible-light response; thus, the extensibility of the reaction is limited. In this study, CdS photocatalysts are prepared from metal–organic framework (MOF) precursors, that is, Cd-MOFs. The prepared CdS exhibits high hydrogen production activity in the photoreforming of lignocellulosic biomass under quasi-sunlight conditions. This activity is approximately 13.4 times that of the CdS prepared via the conventional hydrothermal method. Further, CdS can utilize light energy in the visible region of sunlight, providing a high quantum yield and demonstrating the potential for the extensibility of the reaction. The results of this study will facilitate the fabrication of novel materials for sustainable and efficient hydrogen production.

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来源期刊
ChemPhotoChem
ChemPhotoChem Chemistry-Physical and Theoretical Chemistry
CiteScore
5.80
自引率
5.40%
发文量
165
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