Electrochemical cycling of hydrogen,carbon,and nitrogen-containing molecules is of great importance to tackling energy and environmental crises and composes a central piece of the net-zero emissions scenario.Obtaining...Electrochemical cycling of hydrogen,carbon,and nitrogen-containing molecules is of great importance to tackling energy and environmental crises and composes a central piece of the net-zero emissions scenario.Obtaining an in-depth understanding of interfacial processes with molecular-level information is a cornerstone to developing more advanced electrocatalysts and electrochemical interfaces and further improving reaction efficiencies to meet industrial requirements.Among various in situ characterization techniques that can probe the interfacial processes,attenuated total reflection infrared spectroscopy(ATR-IR)has gained considerable attention most recently.A systematic review of its applications is expected to stimulate further efforts in studying the above-mentioned electrochemical reactions.Herein,we summarize the basic principles of in situ ATR-IR and its applications in understanding mechanisms of electrochemical hydrogen,carbon,and nitrogen cycling reactions,including identification of key reaction intermediates and pathways,deciphering the impacts of interfacial environments,and revealing the structure-to-performance relationship on electrocatalysts.Outlooks on challenges and opportunities faced by ATR-IR in further studying these reactions are also provided.展开更多
基金supported by the Start-up Research Fund of Southeast University(RF1028623256)。
文摘Electrochemical cycling of hydrogen,carbon,and nitrogen-containing molecules is of great importance to tackling energy and environmental crises and composes a central piece of the net-zero emissions scenario.Obtaining an in-depth understanding of interfacial processes with molecular-level information is a cornerstone to developing more advanced electrocatalysts and electrochemical interfaces and further improving reaction efficiencies to meet industrial requirements.Among various in situ characterization techniques that can probe the interfacial processes,attenuated total reflection infrared spectroscopy(ATR-IR)has gained considerable attention most recently.A systematic review of its applications is expected to stimulate further efforts in studying the above-mentioned electrochemical reactions.Herein,we summarize the basic principles of in situ ATR-IR and its applications in understanding mechanisms of electrochemical hydrogen,carbon,and nitrogen cycling reactions,including identification of key reaction intermediates and pathways,deciphering the impacts of interfacial environments,and revealing the structure-to-performance relationship on electrocatalysts.Outlooks on challenges and opportunities faced by ATR-IR in further studying these reactions are also provided.
基金support from the Natural Science Foundation of Jiangsu Province (BK20210189)the National Natural Science Foundation of China (22176086)+5 种基金the State Key Laboratory of Pollution Control and Resource Reuse,the Fundamental Research Funds for the Central Universities (021114380183,021114380189,and 021114380199)the Research Funds from Frontiers Science Center for Critical Earth Material Cycling of Nanjing University,the Research Funds for Jiangsu Distinguished Professorthe Carbon Peaking and Carbon Neutrality Technological Innovation Foundation of Jiangsu Province (BE2022861)support from the National Natural Science Foundation of China (82272138 and 81971738)Jiangsu Province Outstanding Youth Fund (BK20220086)support from the National Natural Science Foundation of China (52276177).
