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@article{Zhang:2023:10.1002/anie.202312607,
author = {Zhang, G and Kucernak, A},
doi = {10.1002/anie.202312607},
journal = {Angewandte Chemie International Edition},
title = {Time-resolved product observation for CO2 electroreduction using synchronised electrochemistry-mass spectrometry with soft ionisation (sEC-MS-SI).},
url = {http://dx.doi.org/10.1002/anie.202312607},
volume = {62},
year = {2023}
}

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TY  - JOUR
AB  - The mechanistic understanding of electrochemical CO2 reduction reaction (CO2 RR) requires a rapid and accurate characterisation of product distribution to unravel the activity and selectivity, which is yet hampered by the lack of advanced correlative approaches. Here, we present the time-resolved identification of CO2 RR products by using the synchronised electrochemistry-mass spectrometry (sEC-MS). Transients in product formation can be readily captured in relation to electrochemical conditions. Moreover, a soft ionisation (SI) strategy is developed in MS for the direct observation of CO, immune to the interference of CO2 fragments. With the sEC-MS-SI, the kinetic information, such as Tafel slopes and onset potentials, for a myriad of CO2 RR products are revealed and we show the hysteresis seen for the evolution of some species may originate from the potential-driven changes in surface coverage of intermediates. This work provides a real-time picture of the dynamic formation of CO2 RR products.
AU  - Zhang,G
AU  - Kucernak,A
DO  - 10.1002/anie.202312607
PY  - 2023///
SN  - 1433-7851
TI  - Time-resolved product observation for CO2 electroreduction using synchronised electrochemistry-mass spectrometry with soft ionisation (sEC-MS-SI).
T2  - Angewandte Chemie International Edition
UR  - http://dx.doi.org/10.1002/anie.202312607
UR  - https://www.ncbi.nlm.nih.gov/pubmed/37801612
UR  - https://onlinelibrary.wiley.com/doi/10.1002/anie.202312607
UR  - http://hdl.handle.net/10044/1/107327
VL  - 62
ER  -

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