Department of Chemistry, Keio University, 3-14-1 Hiyoshi, Yokohama 223-8522, Japan.
J Am Chem Soc. 2009 Sep 23;131(37):13196-7. doi: 10.1021/ja9041274.
Ultrathin films composed of titania nanosheets and Prussian Blue were prepared by using the modified Langmuir-Blodgett technique. The ultrathin films could be deposited in a layer-by-layer manner with lamellar structure. Upon band gap excitation of titania nanosheets, the generated electrons were injected into ferromagnetic Prussian Blue, resulting in reduction to paramagnetic Prussian White. It was revealed that the reaction could proceed only in the presence of hole-scavenging interlayer water molecules.
采用改进的Langmuir-Blodgett 技术制备了由 TiO2 纳米片和普鲁士蓝组成的超薄薄膜。该超薄薄膜可以通过层层沉积的方式形成层状结构。当 TiO2 纳米片的能带隙被激发时，生成的电子被注入铁磁普鲁士蓝中，导致其还原为顺磁普鲁士白。研究表明，只有在有捕获空穴的层间水分子存在的情况下，反应才能进行。
