Graphene-ZnS nanocomposites were prepared by hydrothermal method using functionalized graphene sheets （FGS） as matrix with NazS and thioacetamide （TAA） as sulfide sources, respectively. The X-ray diffraction （XRD...Graphene-ZnS nanocomposites were prepared by hydrothermal method using functionalized graphene sheets （FGS） as matrix with NazS and thioacetamide （TAA） as sulfide sources, respectively. The X-ray diffraction （XRD） patterns reveal that face-centered cubic ZnS was obtained. The scanning electron microscopy （SEM） and transmission electron microscopy （TEM） results demonstrate different morphological characteristics of the two samples. The optical behaviors of both samples were examined by means of photoluminescence （PL） spectroscopy. The different effects of the two sulfide sources on the formation of the nanocomposites were also discussed to explain the reasons for the differences of morphological characteristics and optical behaviors between two samples.展开更多
基金Project supported by the National Natural Science Foundation of China （No. 6076019） and Natural Science Foundation of Jiangsu Province （No. BK2006195）.
文摘Graphene-ZnS nanocomposites were prepared by hydrothermal method using functionalized graphene sheets （FGS） as matrix with NazS and thioacetamide （TAA） as sulfide sources, respectively. The X-ray diffraction （XRD） patterns reveal that face-centered cubic ZnS was obtained. The scanning electron microscopy （SEM） and transmission electron microscopy （TEM） results demonstrate different morphological characteristics of the two samples. The optical behaviors of both samples were examined by means of photoluminescence （PL） spectroscopy. The different effects of the two sulfide sources on the formation of the nanocomposites were also discussed to explain the reasons for the differences of morphological characteristics and optical behaviors between two samples.
