光热催化CO2转化:超越催化与光催化

IF 7.1 2区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY
Fernando Fresno, Ana Iglesias-Juez, Juan M. Coronado
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引用次数: 0

摘要

近年来,热化学和光化学的结合为太阳能催化过程的升级提供了有趣的机会。光热催化作用于纯光化学过程和经典热催化之间的界面,前者将光子能量直接转化为化学能,后者由温度激活催化剂。因此,光热催化在反应的能量路径上以两种不同的方式起作用。与热催化相比,这种组合催化尤其有希望在中等温度下激活小活性分子,并具有比光催化更高的反应速率,近年来得到了广泛的关注。在光热催化的不同应用中,CO2转化可能是研究最多的,尽管反应机理和光热协同途径还很不清楚,从反应途径来看,可以说光热催化CO2还原过程还处于起步阶段。本文旨在概述光热催化的基本原理及其在将二氧化碳转化为有用分子方面的应用,其应用主要是作为燃料,但也作为化学基石。还将从对最常见的目标产品的选择性角度审查迄今发表的最相关的具体案例。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Photothermal Catalytic CO2 Conversion: Beyond Catalysis and Photocatalysis

Photothermal Catalytic CO2 Conversion: Beyond Catalysis and Photocatalysis

In recent years, the combination of both thermal and photochemical contributions has provided interesting opportunities for solar upgrading of catalytic processes. Photothermal catalysis works at the interface between purely photochemical processes, which involve the direct conversion of photon energy into chemical energy, and classical thermal catalysis, in which the catalyst is activated by temperature. Thus, photothermal catalysis acts in two different ways on the energy path of the reaction. This combined catalysis, of which the fundamental principles will be reviewed here, is particularly promising for the activation of small reactive molecules at moderate temperatures compared to thermal catalysis and with higher reaction rates than those attained in photocatalysis, and it has gained a great deal of attention in the last years. Among the different applications of photothermal catalysis, CO2 conversion is probably the most studied, although reaction mechanisms and photonic-thermal synergy pathways are still quite unclear and, from the reaction route point of view, it can be said that photothermal-catalytic CO2 reduction processes are still in their infancy. This article intends to provide an overview of the principles underpinning photothermal catalysis and its application to the conversion of CO2 into useful molecules, with application essentially as fuels but also as chemical building blocks. The most relevant specific cases published to date will be also reviewed from the viewpoint of selectivity towards the most frequent target products.

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来源期刊
Topics in Current Chemistry
Topics in Current Chemistry Chemistry-General Chemistry
CiteScore
13.70
自引率
1.20%
发文量
48
期刊介绍: Topics in Current Chemistry is a journal that presents critical reviews of present and future trends in modern chemical research. It covers all areas of chemical science, including interactions with related disciplines like biology, medicine, physics, and materials science. The articles in this journal are organized into thematic collections, offering a comprehensive perspective on emerging research to non-specialist readers in academia or industry. Each review article focuses on one aspect of the topic and provides a critical survey, placing it in the context of the collection. Selected examples highlight significant developments from the past 5 to 10 years. Instead of providing an exhaustive summary or extensive data, the articles concentrate on methodological thinking. This approach allows non-specialist readers to understand the information fully and presents the potential prospects for future developments.
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