Hybrid Organic-Inorganic Membranes on Porous Supports by Size Exclusion and Thermal Sintering of Fluorescent Polyphenylsilsesquioxane Nanoparticles

作者：Li Zhe; Tolbert Stephanie; Loy Douglas A^*

来源：Macromolecular Materials and Engineering, 2013, 298(7): 715-721.

DOI：10.1002/mame.201200091

• fluorescence
• membrane
• phenylsilsesquioxane
• sintering
• size exclusion

Hybrid organic-inorganic membranes were prepared by size-exclusion deposition and thermal sintering of fluorescent polyphenylsilsesquioxane nanoparticles on a ceramic support. Fluorescent polyphenylsilsesquioxane particles were prepared by a two-step co-polymerization of phenyltriethoxysilane with 0.1 mol-% N-(triethoxysilylpropyl)dansylamide. Because they were larger than the pores in the support, the particles formed a layer on top of the ceramic support that was sintered at 300 degrees C into a homogeneous, non-porous membrane. Fluorescence of the modified polyphenylsilsesquioxane provided a valuable tool to monitor particle deposition and assist in characterization of the membranes.

• 出版日期2013-7