| 超声法制备硫化铅/二氧化硅核壳结构亚微米粒子 | |
| Preparation of Lead Sulfide/Silica Core-Shell Structure Submicron Particles by Ultrasonic Method | |
| 摘要: | |
| 关键词: 硫化铅纳米粒子 超声 二氧化硅包覆 核壳结构 | |
| 基金项目: | |
| Abstract: One kind of well-defined lead sulfide nano-particles was synthesized according to the literature method and characterized by FE-SEM and XRD. Then, silica-coated lead sulfide submicron particles were prepared with the aid of sonication in a short time. TEM, XRD and XPS were used to observe and analyze the shape and structure of the as-prepared lead sulfide/silica core-shell submicron particles. The results indicate that the lead sulfide nano-crystallines are well coated by amorphous silica with adjustable thickness. After preparation of lead sulfide/silica composite particles, their fluorescence property was further studied. | |
| Keywords: lead sulfide nano-particles ultrasonic silica-coated core-shell structure | |
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| 耿庆芬,王晓鹏,张 霞,刘 刚.超声法制备硫化铅/二氧化硅核壳结构亚微米粒子[J].无机化学学报,2009,25(8):1497-1503. | |
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