Issue 6, 2016
From the journal:

Nanoscale

Tuneable light-emitting carbon-dot/polymer flexible films prepared through one-pot synthesis†

Susanta Kumar Bhunia,a   Sukhendu Nandi,a   Rafi Shiklerb  and  Raz Jelinek*ac  

* Corresponding authors

a Department of Chemistry, Ben Gurion University of the Negev, Beer Sheva 84105, Israel
E-mail: razj@bgu.ac.il

b Department of Electrical and Computer Engineering, Ben Gurion University of the Negev, Beer Sheva 84015, Israel

c Ilse Katz Institute for Nanotechnology, Ben Gurion University of the Negev, Beer Sheva 84105, Israel

Abstract

Development of efficient, inexpensive, and environmentally-friendly light emitters, particularly devices that produce white light, have drawn intense interest due to diverse applications in the lighting industry, photonics, solar energy, and others. We present a simple strategy for the fabrication of flexible transparent films exhibiting tuneable light emission through one-pot synthesis of polymer matrixes with embedded carbon dots assembled in situ. Importantly, different luminescence colours were produced simply by preparing C-dot/polymer films using carbon precursors that yielded C-dots exhibiting distinct fluorescence emission profiles. Furthermore, mixtures of C-dot precursors could be also employed for fabricating films exhibiting different colours. In particular, we successfully produced films emitting white light with attractive properties (i.e. “warm” white light with a high colour rendering index) – a highly sought after goal in optical technologies.

Graphical abstract: Tuneable light-emitting carbon-dot/polymer flexible films prepared through one-pot synthesis

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Article information

DOI
https://doi.org/10.1039/C5NR08400H
Article type
Paper
Submitted
27 Nov 2015
Accepted
05 Jan 2016
First published
06 Jan 2016
This article is Open Access
Creative Commons BY-NC license

Nanoscale, 2016,8, 3400-3406

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Tuneable light-emitting carbon-dot/polymer flexible films prepared through one-pot synthesis

S. K. Bhunia, S. Nandi, R. Shikler and R. Jelinek, Nanoscale, 2016, 8, 3400 DOI: 10.1039/C5NR08400H

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