Issue 3, 2011
From the journal:

Chemical Communications

Preparation of carbon quantum dots with tunable photoluminescence by rapid laser passivation in ordinary organic solvents

Xiangyou Li,a   Hongqiang Wang,a   Yoshiki Shimizu,a   Alexander Pyatenko,a   Kenji Kawaguchia  and  Naoto Koshizaki*a  

* Corresponding authors

a Nanosystem Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 5, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8565, Japan
E-mail: koshizaki.naoto@aist.go.jp
Fax: +81 29-861-6355
Tel: +81 29-861-4879

Abstract

A simple approach to prepare carbon quantum dots is presented in this communication by laser rapid passivation of nano carbon particles in ordinary organic solvent. The as-prepared carbon dots exhibited visible, tunable and stable photoluminescence (PL). XPS analysis showed that the increased oxygen concentration might be concerned with the origin of PL.

Graphical abstract: Preparation of carbon quantum dots with tunable photoluminescence by rapid laser passivation in ordinary organic solvents

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Article information

DOI
https://doi.org/10.1039/C0CC03552A
Article type
Communication
Submitted
30 aug 2010
Accepted
26 okt 2010
First published
15 nov 2010

Chem. Commun., 2011,47, 932-934

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Preparation of carbon quantum dots with tunable photoluminescence by rapid laser passivation in ordinary organic solvents

X. Li, H. Wang, Y. Shimizu, A. Pyatenko, K. Kawaguchi and N. Koshizaki, Chem. Commun., 2011, 47, 932 DOI: 10.1039/C0CC03552A

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