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Opportunities and Challenges in CO2 Reduction by Gold- and Silver-Based Electrocatalysts: From Bulk Metals to Nanoparticles and Atomically Precise Nanoclusters
ACS Energy Letters ( IF 19.3 ) Pub Date : 2018-01-26 00:00:00 , DOI: 10.1021/acsenergylett.7b01104 Shuo Zhao 1 , Renxi Jin 1 , Rongchao Jin 1
ACS Energy Letters ( IF 19.3 ) Pub Date : 2018-01-26 00:00:00 , DOI: 10.1021/acsenergylett.7b01104 Shuo Zhao 1 , Renxi Jin 1 , Rongchao Jin 1
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To tackle the excessive emission of greenhouse gas CO2, electrocatalytic reduction has been recognized as a promising way. Given the multielectron, multiproduct nature of the CO2 reduction process, an ideal catalyst should be capable of converting CO2 with high rates as well as high selectivity to either gas-phase (e.g., CO, CH4) or liquid-phase products (e.g., HCOOH, CH3OH, etc.). Gold- and silver-based materials have been extensively investigated as CO2 reduction catalysts for the formation of CO. This Perspective focuses on the advances of gold- and silver-based electrocatalysts for CO2 reduction in terms of catalyst design as well as some insights from theoretical investigations. In particular, a special emphasis is placed on the newly emerging, atomically precise metal nanoclusters for CO2 electroreduction. The strong quantum confinement effect and molecular purity as well as the crystallographically solved atomic structures of nanoclusters make this new class of catalysts quite promising in fundamental studies, and valuable mechanistic insights for CO2 electroreduction at the atomic scale can be obtained. We hope that this Perspective highlights the opportunities and challenges in the exploration of emerging nanomaterials.
中文翻译：
金和银基电催化剂在CO 2还原中的机遇和挑战：从块状金属到纳米粒子和原子精确的纳米团簇
为了解决温室气体CO 2的过量排放，电催化还原被认为是一种有前途的方法。考虑到CO 2还原过程具有多电子，多产物的性质，理想的催化剂应能够将CO 2以高速率和高选择性转化为气相（例如CO，CH 4）或液相产物（例如HCOOH，CH 3 OH等）。金和银基材料已被广泛研究用作CO还原的CO 2还原催化剂。该观点着眼于金和银基电催化剂对CO 2的研究进展。催化剂设计方面的减少以及理论研究的一些见解。尤其要特别注意用于CO 2电还原的新兴的原子精确的金属纳米簇。强大的量子限制效应和分子纯度以及纳米团簇的晶体学解决的原子结构，使得这种新型催化剂在基础研究中非常有前途，并且可以获得在原子规模上进行CO 2电还原的有价值的机理见解。我们希望这一观点能够突出新兴纳米材料探索中的机遇与挑战。
更新日期：2018-01-26
中文翻译：
金和银基电催化剂在CO 2还原中的机遇和挑战：从块状金属到纳米粒子和原子精确的纳米团簇
为了解决温室气体CO 2的过量排放，电催化还原被认为是一种有前途的方法。考虑到CO 2还原过程具有多电子，多产物的性质，理想的催化剂应能够将CO 2以高速率和高选择性转化为气相（例如CO，CH 4）或液相产物（例如HCOOH，CH 3 OH等）。金和银基材料已被广泛研究用作CO还原的CO 2还原催化剂。该观点着眼于金和银基电催化剂对CO 2的研究进展。催化剂设计方面的减少以及理论研究的一些见解。尤其要特别注意用于CO 2电还原的新兴的原子精确的金属纳米簇。强大的量子限制效应和分子纯度以及纳米团簇的晶体学解决的原子结构，使得这种新型催化剂在基础研究中非常有前途，并且可以获得在原子规模上进行CO 2电还原的有价值的机理见解。我们希望这一观点能够突出新兴纳米材料探索中的机遇与挑战。
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