Emission spectral change of CdSe/ZnS quantum dots caused by the dilution with organic solvents

Material type: 文書・図像類

Author: Moriyasu, Takeshiほか

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Publication date: 2020

Material Format: Digital

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Note (General)：: The emission spectra of CdSe/ZnS core-shell type quantum dots were observed after the dilution of their toluene solution with organic solvents (aceton...

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Material Type: 文書・図像類
Title: Emission spectral change of CdSe/ZnS quantum dots caused by the dilution with organic solvents
Author/Editor: Moriyasu, Takeshi
Kinan, Asuka
Baba, Yuta
Kumakura, Mitsutaka
Author Heading: Moriyasu, Takeshi
Kinan, Asuka
Baba, Yuta
Kumakura, Mitsutaka
Publication Date: 2020
Publication Date (W3CDTF): 2020
Alternative Title: Emission spectral change of CdSe/ZnS quantum dots caused by the dilution with organic solvents
Periodical title: Journal of Luminescence
No. or year of volume/issue: 221
Volume: 221
Pages: 117089-
ISSN (Periodical Title): ISSN : 0022-2313
Text Language Code: eng
Target Audience: 一般
Note (General): The emission spectra of CdSe/ZnS core-shell type quantum dots were observed after the dilution of their toluene solution with organic solvents (acetone, diethyl ether, n-hexane, toluene, methanol, and ethanol). In addition to the well-known solvent dependence of the emission efficiency and peak wavelength, it was found that they change over several hours after the dilution, depending on the solvent and the number density of the quantum dot. Based on the solubility of the capping organic ligand to each solvent, the observed time variations were explained in terms of the elution of capping molecules from the dot surface and the resulting change of the number of charge traps.
Access Restrictions: 限定公開
Related Material (DOI): 10.1016/j.jlumin.2020.117089
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 福井大学 : 福井大学学術機関リポジトリ