Journal
JOURNAL OF SOLID STATE CHEMISTRY
Volume 276, Issue -, Pages 159-163Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jssc.2019.05.011
Keywords
Quantum dots; ZIF-8; Metal sulfides; Photoluminescence
Funding
- NSFC [21421001, 21531005, 21671112]
- NSF of Tianjin [17JCYBJC20000, 16JCQNJC02400]
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A new method for the facile synthesis of quantum dots (QDs) with MOF as precursor is reported herein. As a proof of concept, ZnS QDs were synthesized by sulfuring zeolitic imidazolate framework-8 (ZIF-8) nanoparticles under mild conditions without high temperature and highly toxic reagents. Also, ZnS/CdS and ZnS/CuS QDs were obtained through facile cation exchange strategy with the ZnS QDs. These metal sulfides QDs exhibit tunable optical absorption and band gap by modulating the metal components.
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