Journal
LANGMUIR
Volume 23, Issue 20, Pages 10286-10293Publisher
AMER CHEMICAL SOC
DOI: 10.1021/la701299w
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A convenient chemical conversion method that allows the direct preparation of nanocrystalline ZnE (E = 0, S, Se) semiconductor spheres and hollow spheres as well as their core/shell structures is reported. By using monodisperse ZnO nanospheres as a starting reactant and in situ template, ZnS, ZnSe solid and hollow nanospheres, and ZnC/ZnS and ZnO/ZnSe core/shell nanostructures have been obtained through an ultrasound-assisted solution-phase conversion process. The formation mechanism of these nanocrystals is connected with the sonochernical effect of ultrasound irradiation. The photoluminescence and electrogenerated chemiluminescence properties of the as-prepared nanocrystals were investigated.
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