期刊
JOURNAL OF INORGANIC AND ORGANOMETALLIC POLYMERS
卷 11, 期 2, 页码 117-121出版社
KLUWER ACADEMIC/PLENUM PUBL
DOI: 10.1023/A:1014403932692
关键词
silica; sol-gel; elongated morphology; polyallylamine hydrochloride (PAH); tetramethoxysilane (TMOS); externally applied shear
The structure of amorphous silica determines its properties and governs its applications. Here we report the synthesis of elongated silica chains/rods on the nanometer size scale formed by the orientation of a growing silica sol. We have utilized a cationically charged synthetic organic polymer as a catalyst/template and perturbed the system by externally applied shear. It is proposed that the polymer orientation plays an important role in the formation of such morphologies.
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