Issue 46, 2008
From the journal:

Journal of Materials Chemistry

Controllable synthesis of quantum dot–polymer networks with enhanced luminescence via the catalytic chain transfer polymerization (CCTP) technique†

ShengYang Yang,a   Qing Li,a   Li Chena  and  Su Chen*a  

* Corresponding authors

a State Key Laboratory of Material-Oriented Chemical Engineering, College of Chemistry and Chemical Engineering, Nanjing University of Technology, , Xin Mofan Rd. 5#, Nanjing, P. R. of China
E-mail: chensu@njut.edu.cn
Fax: +86-25-83587194
Tel: +86-25-83587194

Abstract

We report on a new available strategy for fabricating CdS QD–polymer hybrids networks with enhanced photoluminescence (PL). Firstly, we synthesized a series of versatile polymeric ligands for the preparation of nanocrystals by catalytic chain transfer polymerization (CCTP) and radical addition–fragmentation polymerization (RAFT) methods. With these versatile polymeric ligands containing a large number of anchors and double bond functional groups, CdS QD–polymer networks were fabricated by the intramolecular cross-linking interaction between the polymeric ligands on the surfaces of each CdS nanocrystal. The as-prepared QD–polymers herein exhibit stable and highly enhanced PL properties relative to their PL before cross-linking. In addition, by measuring the changes of PL intensity, we found the PL intensity of QD–polymers demonstrated remarkable enhancement after 7 months. Related mechanisms were briefly discussed.

Graphical abstract: Controllable synthesis of quantum dot–polymer networks with enhanced luminescence via the catalytic chain transfer polymerization (CCTP) technique

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Article information

DOI
https://doi.org/10.1039/B815034F
Article type
Paper
Submitted
28 Aug 2008
Accepted
18 Sep 2008
First published
23 Oct 2008

J. Mater. Chem., 2008,18, 5599-5603

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Controllable synthesis of quantum dot–polymer networks with enhanced luminescence via the catalytic chain transfer polymerization (CCTP) technique

S. Yang, Q. Li, L. Chen and S. Chen, J. Mater. Chem., 2008, 18, 5599 DOI: 10.1039/B815034F

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