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Indexed by:Journal Papers
Date of Publication:2019-07-01
Journal:ACS OMEGA
Included Journals:PubMed、SCIE
Volume:4
Issue:7
Page Number:12271-12277
ISSN No.:2470-1343
Abstract:ZnSe microspheres with various Ag and Mn doping levels were prepared by the hydrothermal method using Zn(NO3)(2)center dot 6H(2)O and Na2SeO3 as precursors and N2H4 center dot H2O as the reducing agent. The effects of Ag and Mn doping on the phase composition, morphology, and optical and electrical properties of the final products were systematically investigated. A remarkable change in morphology from microspheres with a cubic sphalerite structure to rodlike structure was observed by Ag doping, while the pristine structure was nearly unchanged via Mn doping. Moreover, the band gap of ZnSe microspheres could be tunable in a broad range via controlling the Ag and Mn doping concentration, and ZnSe with high electrical properties could be obtained by doping with an appropriate concentration. The first-principle plane-wave method was carried out to explain the above mentioned experimental results.
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