Citation: ZHANG Dong-Feng, ZHANG Ya-Hui, GUO Lin, ZHANG Rui, YIN Peng-Gang, ZHANG Qi. Synthesis of α-ZnS Nanoparticles and Their Photoluminescence and Raman Properties[J]. Acta Physico-Chimica Sinica, ;2007, 23(12): 1985-1988. doi: 10.3866/PKU.WHXB20071229
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Nanoscaled α-ZnS spheres about 35 nm in diameter were synthesized by a chemical solution way. XRD and TEM results showed that the nanoscaled ZnS spheres were made up of secondary nanoparticles with diameters about 6 nm. Two emission bands were observed in the photoluminescence (PL) spectrum of ZnS nanocrystals, one centered at 430 nm while the other at 360 nm. The former was attributed to the surface trapped emission, while the latter was assigned to the near band-edge emission. The Raman spectra characterization showed that no photodecomposition was observed under the strong laser irradiation, which indicated that the as-prepared ZnS nanocrystals were of high chemical stability.
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