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Sol-gel synthesis and photoluminescence properties of BaSO_4/Y_2O_3:Eu~(3+) core-shell submicrospheres HU Qiyang1,WANG Zhixing1,LI Jinhui1,LI Xinhai1,ZHANG Ming1,LIU Wanrong1 (1.School... spheres via the sol-gel process. The obtained BaSO_4/Y_2O_3:Eu~(3+) core-shell phosphors were characterized by X-ray diffraction (XRD), scanning electron mi-croscopy (SEM), transmission electron......
Luminescence Properties of Tb3+-Doped LuAG Films Prepared by Pechini Sol-Gel Method Guo Hai1,Zhang Weiping2,Lin Lin3,Yin Min2,You Baogui2 (1.Department of Physics, Zhejiang Normal University... investigated. For a comparison study, Tb3+-doped LuAG powders were also prepared by the same sol-gel method. Key words:sol-gel; LuAG; luminescence properties; thin film; concentration dependence......
Fabrication and Luminescence Properties of Ca2Gd8(SiO4)6O2:Er3+ Phosphors via Sol-Gel Process Qi Xiwei1,Han Xiumei1,Wang Xiaoqiang1,Lin Jun2,Li Zhe1,Li Mingya1 (1.Institute of New Materials... earth and mercury-like ions. Ca2Gd8(SiO4)6O2:Er3+ phosphors were prepared through the sol-gel process. X-ray diffraction (XRD), scanning electron microscopy (SEM) and photoluminescence spectra were......
In-Situ Sol-Gel Composition of Hybrid Precursors to Synthesize SrTiO3 :Pr3+ Red Ceramic Phosphors Zhou Kun1,Yan Bing1 (1.Department of Chemistry, Tongji University, Shanghai 200092, China... dispersing media were assembled by a modified in-situ sol-gel process of tert-n-butyl titanate (Ti( OC4H9 )4 ) and further thermal decomposed to achieve rare earth oxysalts ceramic phosphor SrTiO3......
Abstract: Cu-doped TiO2 nanoparticles with different doping contents from 0 to 2.0% (mole fraction) were synthesized through sol-gel method. X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS... electron-hole pair of the Cu-doped TiO2 nanoparticles. Key words: TiO2; Cu; nanoparticles; photocatalysis; doping; sol-gel method 1 Introduction Industrial waste water and by-products produced by oxidation......
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热处理条件对sol-gel法Pb0.4Sr0.6TiO3薄膜形成影响的研究 韩高荣1,翁文剑1,杜丕一1,刘远良1,沈鸽1 (1.浙江大学硅材料国家重点实验室,杭州,310027) 摘要:采用sol-gel法,利用快速热处理工艺过程,保持烧结温度在最低温度(约500℃)以上,制备了多晶钙钛矿结构的PST(Pb0.4Sr0.6TiO3)薄膜.通过XRD,SEM,AFM等方法对晶相的形成与热处...约50℃.薄膜的表面形貌受制备热处理过程影响,快速热处理薄膜的表面保持形成时的形貌:非晶相薄膜以光洁表面出现,晶态膜以均匀分布山峰状的形貌出现..受气氛的浸蚀作用,长时间热处理后的薄膜表面出现了变化,在原形貌的基础上以细小颗粒状覆盖的表面出现. 关键词:sol-gel; 热处理; PST薄膜; 晶相形成; [全文内容正在添加中] ......
Sol-Gel Preparation and Phase Transition of RE Orthoborates 夏上达1,尹民2,楼立人1,张巍巍4,张运生3,张慰萍2 (1.Department of Physics, University of Science and Technology of China,;2.Department of Physics, University... and Technology of China, Chinese Academy of Sciences;5.State Key Laboratory of Rare Earth Materials Chemistry and Application) Abstract:The rare earth borate YBO3 synthesized by sol-gel technique......
by polymerized complex method and sol-gel method and characterized by XRD, DRS and SEM, et al. The influence of preparation method on the photocatalytic reactivity of K2La2Ti3O10 for hydrogen production was studied while I- was used as electron donor. The optimum condition for water splitting was investigated when K2La2Ti3O10 prepared by sol-gel method was used as photocatalyst. The results show......
, China) Abstract:The nano-crystal composite WO3-TiO2 photocatalyst was prepared by ultrasonic assisted sol-gel process. The effects of various factors, such as the crystal form, the substrates, the pH... the pH and the higher the concentration of the dissolved oxygen in the solution is, the higher the photodegradation is. Key words:ultrasonic; sol-gel process; photocatalytic; photodegradation; [全文内容正在添......
