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Inorganic and Nano-Metal Chemistry Volume 52, 2022 - Issue 12
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Brief Report

Tunable photoluminescence of CdTe QDs through the modification of polyoxometalates

Shixian LiuHenan Key Laboratory of Polyoxometalate Chemistry, Institute of Molecular and Crystal Engineering, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, ChinaView further author information
,
Ningning GuoHenan Key Laboratory of Polyoxometalate Chemistry, Institute of Molecular and Crystal Engineering, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, ChinaView further author information
,
Xia WuHenan Key Laboratory of Polyoxometalate Chemistry, Institute of Molecular and Crystal Engineering, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, ChinaView further author information
,
Niuniu ZhangHenan Key Laboratory of Polyoxometalate Chemistry, Institute of Molecular and Crystal Engineering, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, ChinaView further author information
,
Yunping LiHenan Key Laboratory of Polyoxometalate Chemistry, Institute of Molecular and Crystal Engineering, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, ChinaView further author information
&
Guan WangHenan Key Laboratory of Polyoxometalate Chemistry, Institute of Molecular and Crystal Engineering, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, ChinaCorrespondence[email protected]
ORCID Iconhttps://orcid.org/0000-0002-0082-1875View further author information
ORCID Icon
Pages 1476-1479 | Received 08 Jan 2021, Accepted 11 Jul 2021, Published online: 22 Aug 2021
 
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Abstract

A series of POMs/CdTe nanocomposites were successfully synthesized by the combination of CdTe quantum dots (QDs) with different polyoxometalates (POMs) PW12, PMo12, SiW12, and SiW9. These nanocomposites based on CdTe QDs exhibited tunable photoluminescence properties due to the influence of the POMs. In particular, PW12/CdTe showed obvious emission shifts from a wavelength of 666 nm to 672 nm by control of the CdTe:PW12 molar ratio. Due to the electron acceptance ability of POMs, a new method was found to control the light emission from QDs. Furthermore, the strategy reported in this work can be applied to bioimaging, fluorescent probes, light-emitting diodes, and photodetectors.

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Disclosure statement

No potential conflict of interest was reported by the authors.

Additional information

Funding

This work was supported by the Natural Science Foundation of China (Grants: 21901061 and U1504201). The Program for Innovation Teams in Science and Technology in Universities of Henan Province (20IRTSTHN004).

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