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  1. 060 工学部
  2. 0601 学術論文

Surfactant- and reducer-free synthesis of gold nanoparticles in aqueous solutions

http://hdl.handle.net/10091/16073
694bba6a-edc4-4c18-a703-661a2abecb8b
名前 / ファイル ライセンス アクション
Surfactant_reducer-free_synthesis_gold_nanoparticles.pdf Surfactant_reducer-free_synthesis_gold_nanoparticles.pdf (1.3 MB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2012-11-20
タイトル
言語 en
タイトル Surfactant- and reducer-free synthesis of gold nanoparticles in aqueous solutions
言語
言語 eng
キーワード
主題Scheme Other
主題 Gold nanoparticle
キーワード
主題Scheme Other
主題 Surfactant- and reducer-free synthesis
キーワード
主題Scheme Other
主題 High-frequency ultrasound
キーワード
主題Scheme Other
主題 Sonochemical reduction
キーワード
主題Scheme Other
主題 Size- and shape-control
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ journal article
著者 Sakai, Toshio

× Sakai, Toshio

WEKO 37739

Sakai, Toshio

Search repository
Enomoto, Hiroto

× Enomoto, Hiroto

WEKO 37740

Enomoto, Hiroto

Search repository
Torigoe, Kanjiro

× Torigoe, Kanjiro

WEKO 37741

Torigoe, Kanjiro

Search repository
Sakai, Hideki

× Sakai, Hideki

WEKO 37742

Sakai, Hideki

Search repository
Abe, Masahiko

× Abe, Masahiko

WEKO 37743

Abe, Masahiko

Search repository
信州大学研究者総覧へのリンク
氏名 Sakai, Toshio
URL http://soar-rd.shinshu-u.ac.jp/profile/ja.OhkpjFkV.html
出版者
出版者 ELSEVIER SCIENCE BV
引用
内容記述タイプ Other
内容記述 COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS. 347(1-3):18-26 (2009)
書誌情報 COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS

巻 347, 号 1-3, p. 18-26, 発行日 2009-09-05
抄録
内容記述タイプ Abstract
内容記述 We report here the surfactant- and reducer-free synthesis of gold nanoparticles from an aqueous hydrogen tetrachloroaurate (III) tetrahydrate (HAuCl(4)center dot 4H(2)O) solution using a high-frequency (950 kHz) ultrasound (in the absence of any stabilizing, capping and reducing agents). In particular, size, shape and stability of gold nanoparticles prepared by the 950 kHz ultrasound irradiation (sonication) for 8 min in the surfactant-free aqueous solutions were examined in terms of AuCl(4)(-) concentration (in the range of 0.01-0.1 mM), additional salts (NaCl, HCl and NaOH) and temperature (in the range of 4-60 degrees C). We found that higher AuCl(4)(-) concentration promoted particle growth (size increase) and plate formation. In addition, the plate formation was enhanced with the addition of NaCl or HCl (but not NaOH). This is most likely due to the AuCl(4)(-) reduction on a certain crystal facets (e.g. (1 1 0) facets) caused by the adsorption of Cl(-) ions on specific crystal facets (e.g. (1 1 1) facets). Furthermore, we revealed that the temperature elevated above 50 degrees C led to the formation of spherical gold nanoparticles with the diameter of 20-60 nm from a 0.1 mM AuCl(4)(-) aqueous solution while triangular plates formed coexisting with spherical nanoparticles below 50 degrees C.
資源タイプ(コンテンツの種類)
内容記述タイプ Other
内容記述 Article
ISSN
収録物識別子タイプ ISSN
収録物識別子 0927-7757
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AA10892561
DOI
関連識別子
識別子タイプ DOI
関連識別子 https://doi.org/10.1016/j.colsurfa.2008.10.037
関連名称
関連名称 10.1016/j.colsurfa.2008.10.037
出版タイプ
出版タイプ AM
出版タイプResource http://purl.org/coar/version/c_ab4af688f83e57aa
WoS
表示名 Web of Science
URL http://gateway.isiknowledge.com/gateway/Gateway.cgi?&GWVersion=2&SrcAuth=ShinshuUniv&SrcApp=ShinshuUniv&DestLinkType=FullRecord&DestApp=WOS&KeyUT=000270164800004
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