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Phase Transfer Mediated Self-Assembly of CdTe–Polymer Nanohybrids for Uniform Fluorescent Films

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Abstract

We report an available strategy for fabricating CdTe nanocrystal–polymer nanohybrids by using poly(methylmethacrylate-co-dimethyl diallyl ammonium chloride) (poly(MMA-co-DMDAAC)) as polymer matrix via a phase transfer process. CdTe nanocrystals (NCs) were firstly prepared via the thio-aqueous synthetic approach. Also prepared were the poly(MMA-co-DMDAAC) copolymers via free radical polymerization in organic phase. Then the as-prepared CdTe NCs were completely transferred from water to the chloroform phase under the direction of the poly(MMA-co-DMDAAC) copolymers due to electrostatic interactions between the positively charged amino group of the copolymer and the negatively charged ligand on the surface of NCs, resulting in the formation of CdTe-poly(MMA-co-DMDAAC) nanohybrids. Interestingly, the NC–polymer nanohybrids showed highly enhanced photoluminescence (PL) properties in comparison with that of the parent TGA-stabilized CdTe NCs. The uniform fluorescent films of such NC–polymer nanohybrids were further successfully fabricated to exhibit excellent PL properties and thermal stability, which might be useful in optoelectronic applications.

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Acknowledgments

This work was supported by the National Natural Science Foundation of China (21076103 and 21006046), National Natural Science Foundation of China-NSAF (10976012), the Natural Science Foundations for Jiangsu Higher Education Institutions of China (07KJA53009, 09KJB530005 and 10KJB530006) and the Specialized Research Fund for the Doctoral Program of Higher Education of China (20093221120002).

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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, Nanjing, 210009, People’s Republic of China

    Fu-Chun Shen, Jian Yang, Cai-Feng Wang, Li Chen & Su Chen

Authors
  1. Fu-Chun Shen
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  2. Jian Yang
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  3. Cai-Feng Wang
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  4. Li Chen
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  5. Su Chen
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Correspondence to Cai-Feng Wang or Su Chen.

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Shen, FC., Yang, J., Wang, CF. et al. Phase Transfer Mediated Self-Assembly of CdTe–Polymer Nanohybrids for Uniform Fluorescent Films. J Inorg Organomet Polym 21, 570–575 (2011). https://doi.org/10.1007/s10904-011-9492-8

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  • DOI: https://doi.org/10.1007/s10904-011-9492-8

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