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  1. B200 工学部/工学研究科
  2. B200a 雑誌掲載論文
  3. 学術雑誌

Size-controlled synthesis of gold nanoparticles by ultrafine bubbles and pulsed ultrasound

http://hdl.handle.net/2237/00032630
http://hdl.handle.net/2237/00032630
f5d1019d-2d64-4cdb-beb3-09e5bdf304bd
名前 / ファイル ライセンス アクション
Yasuda.pdf Yasuda (553.2 kB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2020-09-15
タイトル
タイトル Size-controlled synthesis of gold nanoparticles by ultrafine bubbles and pulsed ultrasound
言語 en
著者 Yasuda, Keiji

× Yasuda, Keiji

WEKO 101220

en Yasuda, Keiji

Search repository
Sato, Tomofumi

× Sato, Tomofumi

WEKO 101221

en Sato, Tomofumi

Search repository
Asakura, Yoshiyuki

× Asakura, Yoshiyuki

WEKO 101222

en Asakura, Yoshiyuki

Search repository
アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
権利
言語 en
権利情報 © 2020. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
キーワード
主題Scheme Other
主題 Gold nanoparticles
キーワード
主題Scheme Other
主題 Ultrafine bubbles
キーワード
主題Scheme Other
主題 Pulse wave
キーワード
主題Scheme Other
主題 Ultrasound
キーワード
主題Scheme Other
主題 Size control
キーワード
主題Scheme Other
主題 Colloidal stabilization
抄録
内容記述 Size-controlled gold nanoparticles (AuNPs) were synthesized by ultrasonic irradiation of HAuCl4 aqueous solutions with the aid of ultrafine bubbles (UFBs) in the absence of any capping and reducing agents. Upon addition of air-UFBs, the mean diameter of the spherical AuNPs decreased. This result was attributed to the sonochemical reduction of gold ions in aqueous solution being accelerated by the UFBs. Moreover, the AuNPs were stable in a solution containing UFBs because AuNPs electrostatically adsorbed onto UFBs, whose lifetime in water was very long. Compared with the mean diameter of AuNPs synthesized with argon-, nitrogen- and oxygen-UFBs, that of AuNPs synthesized with air-UFBs was smaller. Pulsed ultrasound delivered with the same time-averaged power as continuous-wave irradiation further decreased the mean diameter of the AuNPs. Size-controlled synthesis of AuNPs without the use of a capping or reducing agent was successful through optimization of the number air-UFBs and the pulsed ultrasound conditions.
言語 en
内容記述タイプ Abstract
内容記述
内容記述 ファイル公開:2022-05-18
言語 ja
内容記述タイプ Other
出版者
言語 en
出版者 Elsevier
言語
言語 eng
資源タイプ
資源タイプresource http://purl.org/coar/resource_type/c_6501
タイプ journal article
出版タイプ
出版タイプ AM
出版タイプResource http://purl.org/coar/version/c_ab4af688f83e57aa
DOI
関連タイプ isVersionOf
識別子タイプ DOI
関連識別子 https://doi.org/10.1016/j.ces.2020.115527
ISSN(print)
収録物識別子タイプ PISSN
収録物識別子 0009-2509
書誌情報 en : Chemical Engineering Science

巻 217, p. 115527, 発行日 2020-05-18
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