Stability of underpotentially deposited Ag layers on a Au(111) surface studied by surface X-ray scattering

Kondo, Toshihiro; Takakusagi, Satoru; Uosaki, Kohei

Electrochemistry Communications, 2009, 11(4), 804-807

Permalink : https://hdl.handle.net/2115/39956

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アクセス権	open access
URI	https://hdl.handle.net/2115/39956
タイトル	Stability of underpotentially deposited Ag layers on a Au(111) surface studied by surface X-ray scattering
著者	Kondo, Toshihiro ; Takakusagi, Satoru ; Uosaki, Kohei
著者名 Kondo, Toshihiro
e-Rad_Researcher 30359484 著者名 Takakusagi, Satoru
著者名 Uosaki, Kohei
言語	英語
キーワード	Underpotential deposition (upd)
	Surface X-ray scattering (SXS)
	Ag on Au(111)
発行日	2009-04
出版者	Elsevier B.V.
収録物名	Electrochemistry Communications
巻(号)	11(4)
ページ	804-807
抄録	Stability of underpotentially deposited (upd) Ag layers on Au(111) surface was investigated by surface X-ray scattering (SXS). While the complete pseudomorphic Ag bilayer on Au(111) surface obtained by upd at 10 mV (vs. Ag/Ag+) was maintained its structure even after the circuit was disconnected and the surface was exposed to ambient atmosphere, the pseudomorphic Ag monolayer obtained by upd at 50 mV was converted to a partial bilayer with the coverage of 0.66 ML and 0.46 ML for the 1st and 2nd layer, respectively. These results show that Ag bilayer is structurally more stable than Ag monolayer on Au(111) and Ag atoms of the upd monolayer move around on the Au(111) surface without potential control.
資源タイプ	学術雑誌論文
出版タイプ	Accepted Manuscript
PISSN	1388-2481
関連情報 (isVersionOf)	出版社版DOI https://doi.org/10.1016/j.elecom.2009.01.036