New synthetic route of perovskite materials in the test tube
New synthetic route of perovskite materials in the test tube
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钙钛矿材料试管合成新路线
DOI：
10.1002/9780470294758.ch76
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发表时间：
2001
期刊：
影响因子：
--
通讯作者：
Mineo Sato
中科院分区：
文献类型：
--
作者：
K. Toda;K. Uematsu;N. Ohtake;Saori Tokuoka;Mineo Sato
亚稳态四方KNbO 3 可以由层状钙钛矿K 2 NbO 3 F通过室温下的拓扑化学反应2-96小时合成。层状钙钛矿 K 2 NbO 3 F 中的岩盐型 KF 块选择性地溶解在水中，得到三维钙钛矿 KNbO 3 。这种转变具有拓扑特征，因为钙钛矿块被保留。
Metastable tetragonal KNbO 3 can be synthesized from the layered perovskite, K 2 NbO 3 F, via a topochemical reaction at room temperature for 2 - 96 h. The rock-salt type KF blocks in the layered perovskite, K 2 NbO 3 F, were selectively dissolved in water to give a three-dimensional perovskite, KNbO 3 . This transformation has a topotactic character because the perovskite block is preserved.