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Self-electrochemiluminescent CdTe quantum dots: one-pot synthesis, characterization, and electrochemical properties

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Abstract

A novel self-electrochemiluminescent (self-ECL) nanomaterial, CdTe quantum dots, was prepared by the one-pot method using 2-diethylaminoethanethiol hydrochloride (DEAET) as capping agent and co-reactant (CdTe@DEAET QDs). Effects of various experimental variables such as Cd-to-Te ratio, pH value, and DEAET-to-Cd ratio on the optical and electrochemical properties have been systematically investigated. The results indicate that the as-prepared CdTe QDs show excellent size-dependent optical and self-ECL properties under optimal conditions. Moreover, the successful preparation of CdTe@DEAT QDs with morphology and structure were characterized by TEM, XRD, FT-IR, and XPS in this work. All these results corroborate that this preparation method of QDs presents a simple and easily up-scalable method for large-scale production.

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Funding

This work was supported by the National Natural Science Foundation of China (21575022, 21535003), the National High Technology Research and Development Program (“863” Program) of China (2015AA020502), the Fundamental Research Funds for the Central Universities (2242016 K41055), Qing Lan Project, and A Project Funded by the Priority Academic Program Development of Jiangsu Higher Education Institutions (1107047002).

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  1. Jiangsu Province Hi-Tech Key Laboratory for Biomedical Research, School of Chemistry and Chemical Engineering, Southeast University, Nanjing, 211189, China

    Ting-Ting Han & Shou-Nian Ding

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  1. Ting-Ting Han
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Correspondence to Shou-Nian Ding.

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Han, TT., Ding, SN. Self-electrochemiluminescent CdTe quantum dots: one-pot synthesis, characterization, and electrochemical properties. J Solid State Electrochem 22, 1047–1054 (2018). https://doi.org/10.1007/s10008-017-3845-3

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  • DOI: https://doi.org/10.1007/s10008-017-3845-3

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