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Fabrication of triple-shelled hollow spheres with optical properties via RAFT polymerization 被引量:4
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作者 li ping wang li Min Zhao +4 位作者 Wen Zhi li Rui Qing Chu Long Tan Xiu Xiu Zhao Gang wang 《Chinese Chemical Letters》 SCIE CAS CSCD 2010年第7期864-867,共4页
The triple-shelled hollow spheres with optical properties were prepared via reversible addition-fragmentation chain transfer (RAFT) polymerization.After removal the core templates of the poly(styrene),the hollow silic... The triple-shelled hollow spheres with optical properties were prepared via reversible addition-fragmentation chain transfer (RAFT) polymerization.After removal the core templates of the poly(styrene),the hollow silica spheres were obtained.The coating process of poly(methyl methacrylate)(PMMA) on the hollow silica spheres surface via surface RAFT polymerization was performed subsequently.The polymers coated on the hollow spheres surfaces were end-functionalized by trithiocarbonate,and they were used as RAFT agent to proceed the chain extension polymerization using Tb complex as monomer.The samples were characterized by FT-IR,SEM and luminescence spectroscopy respectively.The results indicated that the triple-shelled hollow spheres had been prepared successfully and the average diameter of the hollow core was about 1μm. 展开更多
关键词 Hollow spheres Optical properties POLYMERS SURFACES LUMINESCENCE
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Deposition of Layer-by-layer Inorganic-organic Nano-hybrid Ultrathin Films onto SBA-15
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作者 Han Ming DING li ping wang +1 位作者 Yong Kui SHAN Ming Yuan HE 《Chinese Chemical Letters》 SCIE CAS CSCD 2003年第8期852-855,共4页
Deposition of inorganic-organic nano-hybrid ultrathin films onto mesoporous silicate materials has been proven possible by using layer-by-layer assembly method. In combination with sol-gel method, titania, subsequent... Deposition of inorganic-organic nano-hybrid ultrathin films onto mesoporous silicate materials has been proven possible by using layer-by-layer assembly method. In combination with sol-gel method, titania, subsequently dye molecules (or polymer) were successfully fabricated onto the inner wall of SBA-15. Their structures were preliminarily characterized by FTIR and solid-state UV-Vis spectroscopy, thermal analysis, and BET surface area measurements, respectively. 展开更多
关键词 Mesoporous silicate TITANIA DYE polymer layer-by-layer.
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