采用溶胶-凝胶技术制备纳米生物活件玻璃颗粒,通过在溶胶中加入柠檬酸来控制生物活性玻璃的形态结构.利用比表面积分析仪、透射电子显微镜和扫描电子显微镜对纳米生物活性玻璃的结构和形成机制进行了表征.研究结果表明:采用柠檬酸作为水解催化剂可以方便地控制生物活性玻璃的纳米结构形态,有利于制备较小粒径、大比表面积和孔体积的生物活性玻璃.这种制备技术提供了一种简单、低成本制备纳米生物活性玻璃并控制其纳米粒子形态的方法.
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