Size dependent lattice constant change of thiol self-assembled monolayer modified Au nanoclusters studied by grazing incidence x-ray diffraction

Kondo, Toshihiro; Masuda, Takuya; Harada, Motoko; Sakata, Osami; Katsuya, Yoshio; Uosaki, Kohei

Size dependent lattice constant change of thiol self-assembled monolayer modified Au nanoclusters studied by grazing incidence x-ray diffraction

Kondo, Toshihiro; Masuda, Takuya; Harada, Motoko et al.

Electrochemistry Communications, 2016, 65, 35-38

Permalink : https://hdl.handle.net/2115/68644

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アクセス権	open access
URI	https://hdl.handle.net/2115/68644
タイトル	Size dependent lattice constant change of thiol self-assembled monolayer modified Au nanoclusters studied by grazing incidence x-ray diffraction
著者	Kondo, Toshihiro ; Masuda, Takuya ; Harada, Motoko ; Sakata, Osami ; Katsuya, Yoshio ; Uosaki, Kohei
著者名 Kondo, Toshihiro
著者名 Masuda, Takuya
著者名 Harada, Motoko
著者名 Sakata, Osami
著者名 Katsuya, Yoshio
e-Rad_Researcher 20133697 著者名 Uosaki, Kohei
言語	英語
キーワード	Gold nanoclusters (GNCs)
	Size dependence of lattice constant of GNCs
	Grazing incidence x-ray diffraction (GIXRD)
	Self-assembled monolayer (SAM)
発行日	2016-04
出版者	Elsevier
収録物名	Electrochemistry Communications
巻(号)	65
ページ	35-38
抄録	Size and lattice constant of thiol self-assembledmonolayer (SAM)-modified gold nanoclusters (GNCs) assembled on Au(111) surfaces after each electrochemical treatment were investigated using grazing incidence x-ray diffraction (GIXRD). When the potential was swept between 0 and 1.3 V (vs. Ag/AgCl), the size and lattice constant of GNCs slightly decreased due to the oxidative desorption of the SAMs. As the number of potential cycles increased, the size of GNCs started to increase due to the aggregation, while the lattice constant continued to decrease due to further desorption of the SAMs from the GNCs. After most of the SAMs were removed from the GNCs, the size and lattice constant monotonically increasedwith the number of potential cycles. The size dependent lattice constant change was observed when GNCs were smaller than similar to 35 angstrom.
資源タイプ	学術雑誌論文
出版タイプ	Accepted Manuscript
権利情報	Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
権利情報	© 2016. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
PISSN	1388-2481
関連情報 (isVersionOf)	出版社版DOI https://doi.org/10.1016/j.elecom.2016.02.007