Synthesis, morphology and Raman spectroscopy of ZnS/ Ag2S heteronanostructures

被引：0
作者：
Sadovnikov, S. I. [1 ]
Leonidov, I. I. [1 ]
Gusev, A. I. [1 ]
机构：
[1] Russian Acad Sci, Inst Solid State Chem, Ural Branch, Pervomaiskaya Str 91, Ekaterinburg 620990, Russia
来源：
SOLID STATE SCIENCES | 2024年 / 156卷
基金：
俄罗斯科学基金会;
关键词：
Zinc and silver sulfides; Heteronanostructure; Nanoparticle; Raman spectroscopy; OPTICAL-PROPERTIES; NONSTOICHIOMETRY; NANOSTRUCTURES; SULFIDE;
D O I：
10.1016/j.solidstatesciences.2024.107662
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Sulfide (ZnS)(Ag2S)x heteronanostructures of various composition were obtained by co-deposition from water colloidal solutions of silver and zinc nitrates using sodium sulfide as a sulfidizer and sodium citrate as a stabilizer. The formation of (ZnS)(Ag2S)x heteronanostructures was confirmed using the XRD, HAADF-STEM, SEM, EDX and Raman spectroscopy. The size of ZnS and Ag2S nanoparticles in heteronanostructures (ZnS)(Ag2S)x with x <= 0.01 is 2-4 and no more than 3 nm, respectively. Raman spectroscopy showed that addition of silver sulfide nanoparticles into (ZnS)(Ag2S)x heteronanostructures leads to Ag2S deposition onto the surface of ZnS nanoparticles. Doping ZnS with only 1 mol.% of colloidal Ag2S nanoparticles is sufficient to produce a silver sulfide shell on the surface of ZnS nanoparticles.
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页数：6
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