pH-based one pot synthesis of biocompatible olive shaped inorganic particles

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• 作者：Andrej Ž ; nidarš ; ič ; ^a ; Aljaž ; Godec^a ; Miran Gaberš ; č ; ek^a ; ^b ; ^{miran.gaberscek@ki.si}
• 关键词：Inorganic compounds ; Chemical synthesis ; Multilayers
• 刊名：Materials Research Bulletin
• 出版年：2012
• 期刊代码：60_00255408
• 类别：ms
• 出版时间：April, 2012
• 卷：47
• 期：4
• 页码：967-973
• 文件大小：950 K

摘要

A novel, single-step, one-pot method for preparation of inorganic hollow particles is introduced. The concept is grounded on the classical theory of nucleation of growth and can be carried out entirely at room temperature. Starting from an appropriate solution, precipitation and selective dissolution of inorganic nanoparticles are triggered by continuous addition of a salt while carefully controlling the pH. The approach is demonstrated on the example of hollow calcium phosphate particles using calcium carbonate solid nanoparticles as a template. The proposed synthesis procedure is simple and cheap and can be extended to other biocompatible compounds. It also can be upgraded with an additional in situ step.