Characterization of surface water on Au core Pt-group metal shell nanoparticles coated electrodes by surface-enhanced Raman spectroscopy.
We utilized the strategy of 'borrowing SERS activity', by chemically coating several atomic layers of a Pt-group metal on highly SERS-active Au nanoparticles, to obtain the first SERS (also Raman) spectra of surface water on Pt and Pd metals, and propose conceptual models for water adsorbed on Pt and Pd metal surfaces.
Jiang
Yu-Xiong
YX
State Key Laboratory of Physical Chemistry of Solid Surfaces, Xiamen University, Xiamen, China.
Li
Jian-Fen
JF
Wu
De-Yin
DY
Yang
Zhi-Lin
ZL
Ren
Bin
B
Hu
Jia-Wen
JW
Chow
Yuan L
YL
Tian
Zhong-Qun
ZQ
D004566:Electrodes; D006046:Gold / Q000737:chemistry*; D053768:Metal Nanoparticles / Q000737:chemistry*; D010984:Platinum / Q000737:chemistry*; D012680:Sensitivity and Specificity; D013059:Spectrum Analysis, Raman / Q000379:methods*; D013499:Surface Properties; D014867:Water / Q000737:chemistry
D014867:Water; D010984:Platinum; D006046:Gold