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Facile Bulk Synthesis of Homogeneous and Transparent Nanocrystals Hybrids via In Situ Transformation of Ionomers into CdS Quantum-Dot-Polymer

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Abstract

We systemically report on a method for fabricating bulk CdS QD-polymer hybrids nanocomposites with tunable control photoluminescence (PL) by using as-prepared ionomers. Firstly, we rationally designed to synthesize well-dispersed PMMA/Cd(AA)2 (cadmium acrylate) ionomers containing different concentrations of Cd2+ ion clusters via free-radical polymerization. And then, we introduced H2S gas into the ionomer solutions to obtain transparent PMMA/CdS QD-polymers in situ. Subsequently, we employed PMMA/CdS QD-polymers to further produce claviform CdS/PMMA hybrid nanocomposites via in situ bulk polymerization. The properties of as-prepared QD-polymers and their hybrid nanocomposites were thoroughly investigated by Ultraviolet–visible (UV-vis), transmission electron microscope (TEM), Fourier transform infrared spectra (FT-IR), photoluminescence (PL), thermogravimetric analyses (TGA) measurements. We have found that these QD-polymers exhibit uniform dispersity, good optical property and an obvious advantage on thermal stability, along with facilely producing bulk nanocrystal/polymer hybrid nanocomposites with a large scale.

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Acknowledgments

This work was supported by Natural Science Foundations (NSFs) of China (Grant No. 20576053, 20606016), NSF (NASA) of China (Grant No. 10676013), and the NSF of the Jiangsu Higher Education Institutions of China (Grant No. 07KJA53009).

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Authors and Affiliations

  1. State Key Laboratory of Material-Oriented Chemical Engineering, College of Chemistry and Chemical Engineering, Nanjing University of Technology, No. 5 Xin Mofan Rd., Nanjing, 210009, Peoples’ Republic of China

    Haixia Shen, Li Chen & Su Chen

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  1. Haixia Shen
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  2. Li Chen
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  3. Su Chen
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Correspondence to Su Chen.

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Shen, H., Chen, L. & Chen, S. Facile Bulk Synthesis of Homogeneous and Transparent Nanocrystals Hybrids via In Situ Transformation of Ionomers into CdS Quantum-Dot-Polymer. J Inorg Organomet Polym 19, 374–381 (2009). https://doi.org/10.1007/s10904-009-9278-4

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  • DOI: https://doi.org/10.1007/s10904-009-9278-4

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