Gold Nanostructures Produced on Several Types of Metals by Low-temperature Heating of Dry Residues of a Solution of HAuCl4 in Air

In the present study, low-temperature heating of the dry residue of a 10 µL droplet of an HAuCl4 solution on a substrate and a metallic foil facing the dry residue was performed for 20 min in air in order to produce gold nanostructures on the metallic foil. When a titanium foil and a stainless steel...

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Published inE-journal of surface science and nanotechnology Vol. 23; no. 1; pp. 65 - 69
Main Authors Yamasaki, Manae, Hada, Shota, Akiba, Chihiro, Kida, Naoya, Hu, Yunhao, Kunimura, Shinsuke, Kurita, Yoshiki, Wada, Masahide, Kobayashi, Yuta, Tomoda, Anon
Format Journal Article
LanguageEnglish
Japanese
Published Tokyo The Japan Society of Vacuum and Surface Science 22.02.2025
公益社団法人 日本表面真空学会
Japan Science and Technology Agency
Subjects
Austenitic stainless steels
Galvanic replacement
Gold
Gold nanostructures
HAuCl4
Heating
Low temperature
Low-temperature heating
Metal foils
Nanoparticles
Nanostructure
Residues
Silver
Titanium
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Summary:In the present study, low-temperature heating of the dry residue of a 10 µL droplet of an HAuCl4 solution on a substrate and a metallic foil facing the dry residue was performed for 20 min in air in order to produce gold nanostructures on the metallic foil. When a titanium foil and a stainless steel (SUS316L) foil were used as metallic foils, dispersed gold nanoparticles were produced on these foils. On the other hand, in the case that a silver foil was used, microscopic objects having nanostructures, which would contain metallic gold, were densely formed on the silver foil.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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ISSN:1348-0391
1348-0391
DOI:10.1380/ejssnt.2025-008