硅酸盐学报2011,Vol.39Issue(12):1915-1921,7.
碳酸化含硅羟基磷灰石纳米粉体的超声化学法合成及表征
Ultrasonic Chemistry Fabrication of Carbonated Silicon-substituted Hydroxyapatite Nanopowder and Its Configuration Representation
摘要
Abstract
Two compounds containing CO 3 2– and SiO 4 4– groups were adulterated and sonochemistry coprecipitation method was applied to fabricate carbonated silicon-substituted hydroxyapatite (CSi-HA) nanopowder. The synthetic process was optimized and crystalline phases, grain dimension, and morphology of CSi-HA nanopowder were represented. Results demonstrate that H 3 PO 4 addition into alkaline Ca(OH)2 liquid (keeping pH=10.5-11.5 with ammonia) with continuous ultrasound application can obviously prevent secondary phase formation and can make pure, highly dispersed and gel-like nascent HA product. Introduction of Na2SiO3 and Na2CO3 mixed solution as doping source into the nascent HA product with concurrent use of continuous ultrasound can effectively result in group substitution of HA by CO32 and SiO44 and can be used to fabricate pure, fine-crystalline and uniformly distributed CSi-HA nanopowder. It is also found that the CSi-HA grain size shows a decreasing trend with the increase of CO32- and SiO44 substi- tution in the experimental range.关键词
碳酸化:含硅羟基磷灰石/超声共聚沉淀法:结构表征Key words
carbonated/silicon-substituted hydroxyapatite/sonochemistry coprecipitation/configuration representation分类
化学化工引用本文复制引用
张超武,肖玲,刘昌涛,段聪越,杨军,王芬..碳酸化含硅羟基磷灰石纳米粉体的超声化学法合成及表征[J].硅酸盐学报,2011,39(12):1915-1921,7.基金项目
国家自然科学基金(51072109)及陕西省教育厅科技专项(11JK-0835)资助项目. (51072109)