Photoinduced ferrimagnetic systems in prussian blue analogues CIxCo4[Fe(CN)6]y (CI = alkali cation).: 3.: Control of the photo- and thermally induced electron transfer by the [Fe(CN)6] vacancies in cesium derivatives
Photoinduced ferrimagnetic systems in prussian blue analogues CIxCo4[Fe(CN)6]y (CI = alkali cation).: 3.: Control of the photo- and thermally induced electron transfer by the [Fe(CN)6] vacancies in cesium derivatives
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DOI：
10.1021/ja011296r
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发表时间：
2001-12-19
影响因子：
15
通讯作者：
Verdaguer, M
中科院分区：
文献类型：
--
作者：
Escax, V;Bleuzen, A;Verdaguer, M
我们合成了一系列的钴铁普鲁士蓝类似物沿着，我们调整的铯阳离子插入的四面体网站的结构。结构和电子结构进行了研究，结合XANES，红外光谱，粉末X射线衍射实验，和磁化测量。由光沿着该系列诱导的磁化强度的变化表明，光诱导磁化强度的效率，几年前由Hashimoto等人在类似化合物中证实（Sato，O.; Iyoda，T.;藤岛，A.;桥本K. Science 1996，272，704-705; Sato，O. Einaga，Y.; Iyoda，T.;藤岛，A.;桥本K.《电化学杂志》Soc.1997，144，L11-L13; Sato，O.; Einaga，Y.; Iyoda，T.;藤岛，A.;桥本K.物理化学杂志B 1997，101，3903-3905; Einaga，Y.; Ohkoshi，S.-一、Sato，O.;藤岛，A.;桥本K.化学快报1998，585-586;和Sato，O.; Einaga，Y.;藤岛，A.;桥本K. Inorg.Chem.1999，38，4405-4412），取决于可激发的抗磁性对的数量和[Fe（CN）（6）]空位的量之间的折衷，从而赋予网络灵活性。除了光诱导过程的效率之外，[Fe（CN）（6）]空位的量还控制热诱导电子转移。
We synthesized a series of CoFe Prussian blue analogues along which we tuned the amount of cesium cations inserted in the tetrahedral sites of the structure. Structure and electronic structure have been investigated, combining XANES, infrared spectroscopy, powder X-ray diffraction experiments, and magnetization measurements. The change of the magnetization induced by light along the series shows that the efficiency of the photoinduced magnetization, evidenced a few years ago in similar compounds by Hashimoto et al. (Sato, O.; Iyoda, T.; Fujishima, A.; Hashimoto, K. Science 1996, 272, 704-705; Sato, O. Einaga, Y.; Iyoda, T.; Fujishima, A.; Hashimoto, K. J. Electrochem. Soc. 1997, 144, L11-L13; Sato, O.; Einaga, Y.; Iyoda, T.; Fujishima, A.; Hashimoto, K. J. Phys. Chem. B 1997, 101, 3903-3905; Einaga, Y.; Ohkoshi, S.-I., Sato, O.; Fujishima, A.; Hashimoto, K. Chem. Lett. 1998, 585-586; and Sato, O.; Einaga, Y.; Fujishima, A.; Hashimoto, K. Inorg. Chem. 1999, 38, 4405-4412), depends on a compromise between the number of excitable diamagnetic pairs and the amount of [Fe(CN)(6)] vacancies giving the network flexibility. Besides the efficiency of the photoinduced process, the amount of [Fe(CN)(6)] vacancies also controls a thermally induced electron transfer.