Adsorption Morphologies of Polyethylene Glycol and Cationic Surfactants in HCl-containing H2SO4 Aqueous Solutions

We characterized the adsorption morphologies of polyethylene glycol (PEG) and cationic surfactants on gold in H2SO4 aqueous solutions in the presence and absence of Cl− ions. The addition of Cl− ions resulted in the formation of globular aggregates on a smooth adsorption film for PEG, whereas in the...

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Bibliographic Details
Published in:	Chemistry letters Vol. 49; no. 8; pp. 952 - 955
Main Authors:	Fukui, Takahiro, Kubota, Kenji, Tarutani, Yoshie, Akamatsu, Masaaki, Sakai, Kenichi, Sakai, Hideki
Format:	Journal Article
Language:	English
Published:	Tokyo The Chemical Society of Japan 05-08-2020 Chemical Society of Japan
Subjects:	Adsorption Aggregates Aqueous solutions Cations Cetyltrimethylammonium bromide Morphology Polyethylene glycol Sulfuric acid Surfactants Adsorption Atomic force microscopy Plating solution
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Summary:	We characterized the adsorption morphologies of polyethylene glycol (PEG) and cationic surfactants on gold in H2SO4 aqueous solutions in the presence and absence of Cl− ions. The addition of Cl− ions resulted in the formation of globular aggregates on a smooth adsorption film for PEG, whereas in the formation of wormlike adsorption aggregates for hexadecyltrimethylammonium bromide.
ISSN:	0366-7022 1348-0715
DOI:	10.1246/cl.200280