Surface configuration of CO adsorbed on nanostructured Pt electrodes probed using broadband sum frequency generation spectroscopy

Using broadband sum frequency generation (BB-SFG) spectroscopy, the effect of surface structure on the adsorption states of linearly bonded CO (CO L ) on a Pt electrode was thoroughly analyzed. Two overlapped SFG peaks with different linewidths and electrochemical Stark slopes were identified, which...

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Published inChemical communications (Cambridge, England) Vol. 56; no. 67; pp. 9723 - 9726
Main Authors Huang-Fu, Zhi-Chao, Song, Qian-Tong, He, Yu-Han, Liu, Xiao-Lin, Wang, Jing-Jing, Sun, Shi-Gang, Wang, Zhao-Hui
Format Journal Article
LanguageEnglish
Published Cambridge Royal Society of Chemistry 20.08.2020
Subjects
adsorption
Broadband
Carbon monoxide
Configurations
electrochemistry
Electrodes
Spectroscopy
Spectrum analysis
Surface structure
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ISSN1359-7345
1364-548X
1364-548X
DOI10.1039/d0cc02469d

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Summary:Using broadband sum frequency generation (BB-SFG) spectroscopy, the effect of surface structure on the adsorption states of linearly bonded CO (CO L ) on a Pt electrode was thoroughly analyzed. Two overlapped SFG peaks with different linewidths and electrochemical Stark slopes were identified, which correspond to CO L in different surface configurations. Inhomogeneity of adsorbed CO introduced by the aggregation of Pt nanoparticles.
Bibliography:Electronic supplementary information (ESI) available: Experimental details, Fig. S1-S8 and Tables S1, S2. See DOI
10.1039/d0cc02469d
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ISSN:1359-7345
1364-548X
1364-548X
DOI:10.1039/d0cc02469d