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Luminescent silicon nanoparticles covered with ionic liquid

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Title: Luminescent silicon nanoparticles covered with ionic liquid
Authors: Miyano, Mari Browse this author
Wada, Satoshi Browse this author
Nakanishi, Takayuki Browse this author
Hasegawa, Yasuchika Browse this author →KAKEN DB
Keywords: Quantum dot
Surface protection
Ionic liquid
Issue Date: 15-Feb-2015
Publisher: Elsevier
Journal Title: Materials letters
Volume: 141
Start Page: 359
End Page: 361
Publisher DOI: 10.1016/j.matlet.2014.11.131
Abstract: Red-, yellow- and green-luminescent silicon nanoparticles covered with ionic liquid AMImTFSI (1-Allyl-3-methylimidazolium bis(trifluoromethanesulfonyl) imide) are reported. Red luminescent silicon nanoparticles (Si-Red), yellow luminescent silicon nanoparticles (Si-Yellow) and green luminescent silicon nanoparticles (Si-Green) were prepared under the acid-etching process using hydrofluoric acid/nitric acid for 50 s, 75 s, and 90 s, respectively. Their surface protection using ionic liquid was carried out by the injection of bare silicon nanoparticles into AMImTFSI, resulting in formation of Si-Red-I, Si-Yellow-I and Si-Green-I. The Si-Red-I, Si-Yellow-I and Si-Green-I show effective luminescence after 17 days. In this study, luminescent silicon nanoparticles covered with ionic liquid are performed for the first time.
Type: article (author version)
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 長谷川 靖哉

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