Issue 31, 2012
From the journal:

Journal of Materials Chemistry

Upconversion fluorescent carbon nanodots enriched with nitrogen for light harvesting†

Chuanfu Wang,b   Xia Wu,c   Xiangping Li,d   Wentai Wang,a   Lianzhou Wang,*c   Min Gu*d  and  Qin Li*ab  

* Corresponding authors

a Environmental Engineering & Queensland Micro- and Nanotechnology Centre, Griffith University, QLD 4111, Australia
E-mail: qin.li@griffith.edu.au
Fax: +61 7 3735 5198
Tel: +61 7 3735 7514

b Dept. of Chemical Engineering, Curtin University, GPO Box U1987, Perth, WA 6845, Australia
E-mail: q.li@curtin.edu.au
Fax: +61 8 9266 2581
Tel: +61 8 9266 7704

c School of Chemical Engineering, The University of Queensland, Brisbane, QLD 4072, Australia
E-mail: l.wang@uq.edu.au
Fax: +61 7 33654199
Tel: +61 7 3365 4218

d Centre for Micro-Photonics, Faculty of Engineering and Industrial Sciences, Swinburne University of Technology, Hawthorn, VIC 3122, Australia
E-mail: mgu@swin.edu.au
Fax: +61 3 9214 5435
Tel: +61 3 9214 5273

Abstract

Fluorescent nitrogen-enriched carbon nanodots (C-dots) of 1 to 3 nm were obtained through a one-pot reaction between melamine and glycerol. These C-dots show quantum yields up to 22% and a high two-photon absorption cross-section. The TiO2 based photoanode sensitized by these C-dots is capable of converting near IR photon energy to photocurrent.

Graphical abstract: Upconversion fluorescent carbon nanodots enriched with nitrogen for light harvesting

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Article information

DOI
https://doi.org/10.1039/C2JM30935A
Article type
Communication
Submitted
15 Feb 2012
Accepted
18 Jun 2012
First published
20 Jun 2012

J. Mater. Chem., 2012,22, 15522-15525

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Upconversion fluorescent carbon nanodots enriched with nitrogen for light harvesting

C. Wang, X. Wu, X. Li, W. Wang, L. Wang, M. Gu and Q. Li, J. Mater. Chem., 2012, 22, 15522 DOI: 10.1039/C2JM30935A

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