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In Situ Probing of CO2 Reduction on Cu‐Phthalocyanine‐Derived CuxO Complex
https://orcid.org/0000-0002-8132-3076
AbstractAn in situ measurement of a CO2 reduction reaction (CO2RR) in Cu‐phthalocyanine (CuPC) molecules adsorbed on an Au(111) surface is performed using electrochemical scanning tunneling microscopy. One intriguing phenomenon monitored in situ during CO2RR is that a well‐ordered CuPC adlayer is formed into an unsuspected nanocluster via molecular restructuring. At an electrode potential of −0.7 V versus Ag/AgCl, the Au surface is covered mainly with the clusters, showing restructuring‐induced CO2RR catalytic activity. Using a measurement of X‐ray photoelectron spectroscopy, it is revealed that the nanocluster represents a Cu complex with its formation mechanism. This work provides an in situ observation of the restructuring of the electrocatalyst to understand the surface‐reactive correlations and suggests the CO2RR catalyst works at a relatively low potential using the CuPC‐derived Cu nanoclusters as active species.
In Situ Probing of CO2 Reduction on Cu‐Phthalocyanine‐Derived CuxO Complex
https://orcid.org/0000-0002-8132-3076
AbstractAn in situ measurement of a CO2 reduction reaction (CO2RR) in Cu‐phthalocyanine (CuPC) molecules adsorbed on an Au(111) surface is performed using electrochemical scanning tunneling microscopy. One intriguing phenomenon monitored in situ during CO2RR is that a well‐ordered CuPC adlayer is formed into an unsuspected nanocluster via molecular restructuring. At an electrode potential of −0.7 V versus Ag/AgCl, the Au surface is covered mainly with the clusters, showing restructuring‐induced CO2RR catalytic activity. Using a measurement of X‐ray photoelectron spectroscopy, it is revealed that the nanocluster represents a Cu complex with its formation mechanism. This work provides an in situ observation of the restructuring of the electrocatalyst to understand the surface‐reactive correlations and suggests the CO2RR catalyst works at a relatively low potential using the CuPC‐derived Cu nanoclusters as active species.
In Situ Probing of CO2 Reduction on Cu‐Phthalocyanine‐Derived CuxO Complex
https://orcid.org/0000-0002-8132-3076
AbstractAn in situ measurement of a CO2 reduction reaction (CO2RR) in Cu‐phthalocyanine (CuPC) molecules adsorbed on an Au(111) surface is performed using electrochemical scanning tunneling microscopy. One intriguing phenomenon monitored in situ during CO2RR is that a well‐ordered CuPC adlayer is formed into an unsuspected nanocluster via molecular restructuring. At an electrode potential of −0.7 V versus Ag/AgCl, the Au surface is covered mainly with the clusters, showing restructuring‐induced CO2RR catalytic activity. Using a measurement of X‐ray photoelectron spectroscopy, it is revealed that the nanocluster represents a Cu complex with its formation mechanism. This work provides an in situ observation of the restructuring of the electrocatalyst to understand the surface‐reactive correlations and suggests the CO2RR catalyst works at a relatively low potential using the CuPC‐derived Cu nanoclusters as active species.
In Situ Probing of CO2 Reduction on Cu‐Phthalocyanine‐Derived CuxO Complex
Advanced Science
Jeong, Yongchan (author) / Kim, Yongman (author) / Kim, Young Jae (author) / Park, Jeong Young (author)
Advanced Science ; 11
2024-01-01
Article (Journal)
Electronic Resource
English
In Situ Probing of CO2 Reduction on Cu‐Phthalocyanine‐Derived CuxO Complex
| Wiley | 2024
In Situ Probing of CO2 Reduction on Cu‐Phthalocyanine‐Derived CuxO Complex (Adv. Sci. 4/2024)
| Wiley | 2024
In Situ Probing of CO2 Reduction on Cu‐Phthalocyanine‐Derived CuxO Complex (Adv. Sci. 4/2024)
| Wiley | 2024
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