Experimental Study on Biomimetic Synthesizing Silica Films at the Air-water Interface

Abstract

Abstract: Free-standing silica films were prepared repeatedly at the air-water interface by the biomimetic
synthesis technology, during which the hydrolysis of tetraethyoxysilane (TEOS) was directed by cetyltrimethylammonium bromide (CTAB) supra-molecules
assemblies. The effects of material ratio, calcining conditions and DCCA(drying control chemical agent) on the qualities of silica films
were investigated. The various characterization results showed that the biomimetic synthesized silica film has a modal pore diameter of 1.8nm and
thickness of about 2μm, its upper surface is smooth and integral.

Key words: biomimetic synthesis, silica film, inorganic membrane, composite materials

CLC Number:

Q811

ZHU Li,WANG Yi-Ping,HU Tong-Yu,LI Wei. Experimental Study on Biomimetic Synthesizing Silica Films at the Air-water Interface[J]. Journal of Inorganic Materials.

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Experimental Study on Biomimetic Synthesizing Silica Films at the Air-water Interface

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