Synthesis and properties of transparent luminescent nanocomposites with surface functionalized semiconductor nanocrystals
Journal Article
·
· Journal of Solid State Chemistry
OSTI ID:21128443
- Institute of Chemistry, Northeast Normal University, Changchun 130024 (China)
- College of Life Sciences, Jilin Agricultural University, Changchun 130118 (China)
5-Amino-1,10-phenanthroline (Aphen) was used as an organic ligand to functionalize CdS nanocrystals (NCs) by a ligand-exchange process. The functional Aphen-CdS NCs have strong luminescent emission at 552 nm and good dispersibility in the polar organic monomers. The Aphen-CdS NCs were dispersed in polymeric monomers to prepare a series of transparent luminescent nanocomposites with excellent thermal stability via in-situ bulk polymerization. The fluorescent properties of the Aphen-CdS NCs were well retained in the polymer matrix. It was found that when the methacrylic acid (MAA) and glycidyl methacrylate (GMA) as the comonomers were introduced into the polymer matrix, the emission peaks of the resultant nanocomposites had a blue shift and the fluorescent intensities also increased due to the interaction between NCs and the polymer matrices. The transparent NCs/polymer nanocomposites with tunable fluorescent emission can be potentially used for the fabrication of optoelectronic devices. - Graphical abstract: Transparent luminescent nanocomposites with Aphen functionalized CdS nanocrystals were synthesized by ligand exchange and in-situ bulk polymerization. The functionalized nanocrystals and their polymer nanocomposites possessed strong luminescent emission and can be potentially used to fabricate multifunctional devices with novel photoelectric properties.
- OSTI ID:
- 21128443
- Journal Information:
- Journal of Solid State Chemistry, Journal Name: Journal of Solid State Chemistry Journal Issue: 9 Vol. 181; ISSN 0022-4596; ISSN JSSCBI
- Country of Publication:
- United States
- Language:
- English
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