首页|In-situ Templating Synthesis of Thermally Stable Hydroxyapatite with Ordered Nanostructures

In-situ Templating Synthesis of Thermally Stable Hydroxyapatite with Ordered Nanostructures

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Alkyl phosphates, the products from the reaction between phosphorous pentoxide and various alcohols, were used as the in-situ templates of nanostructure as well as phosphorus source of HAP. The obtained precursor samples had ordered nanostructures:lamellar structure for dodecyl and n-octyl phospahes templated samples, cubic for n-pentyl and hexagonal for ethyl phosphates templated samples. The calcined ethyl phosphate templated sample was pure HAP with a specific surface area of 42m~2/g, and sustained with an orderly hexagonal nanostructure at 400℃. But the calcination at 400℃ caused the collapse of other alkyl phosphates templated nanostructures.

hydroxyapatiteordered nanostructurethermal stability

Haifeng Guo、Feng Ye、Xiulan He、Haijiao Zhang

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Institute for Advanced Ceramics, Harbin Institute of Technology, Harbin 150001, China

2010

Key engineering materials

Key engineering materials

ISSN:1013-9826
年,卷(期):2010.434/435
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