Pan Hanqing, Heagy Michael D
Department of Chemistry, New Mexico Institute of Mining and Technology, Socorro, NM 87801, USA.
Nanomaterials (Basel). 2020 Dec 4;10(12):2422. doi: 10.3390/nano10122422.
Rising levels of atmospheric carbon dioxide due to the burning and depletion of fossil fuels is continuously raising environmental concerns about global warming and the future of our energy supply. Renewable energy, especially better utilization of solar energy, is a promising method for CO conversion and chemical storage. Research in the solar fuels area is focused on designing novel catalysts and developing new conversion pathways. In this review, we focus on the photocatalytic reduction of CO primarily in its neutral pH species of carbonate to formate. The first two-electron photoproduct of carbon dioxide, a case for formate (or formic acid) is made in this review based on its value as; an important chemical feedstock, a hydrogen storage material, an intermediate to methanol, a high-octane fuel and broad application in fuel cells. This review focuses specifically on the following photocatalysts: semiconductors, phthalocyanines as photosensitizers and membrane devices and metal-organic frameworks.
由于化石燃料的燃烧和消耗，大气中二氧化碳水平不断上升，这引发了人们对全球变暖及能源供应未来的持续环境担忧。可再生能源，尤其是太阳能的更好利用，是一种有前景的二氧化碳转化和化学存储方法。太阳能燃料领域的研究重点在于设计新型催化剂和开发新的转化途径。在本综述中，我们主要关注在中性pH值的碳酸盐物种中将二氧化碳光催化还原为甲酸盐。在本综述中，基于甲酸盐作为重要化学原料、储氢材料、甲醇中间体、高辛烷值燃料以及在燃料电池中的广泛应用，阐述了二氧化碳的首个双电子光产物——甲酸盐（或甲酸）的情况。本综述特别关注以下光催化剂：半导体、作为光敏剂的酞菁以及膜器件和金属有机框架。
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