包合物中主体-客体复合物的高荧光制备及其颜色可调。
Preparation of Highly Fluorescent Host-Guest Complexes with Tunable Color upon Encapsulation.
机构信息
†Chemical Resources Laboratory, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama 226-8503, Japan.
‡Molecular Spectroscopy Laboratory, RIKEN, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan.
出版信息
J Am Chem Soc. 2015 Jul 29;137(29):9266-9. doi: 10.1021/jacs.5b06195. Epub 2015 Jul 17.
Unlike previous coordinative host-guest systems, highly emissive host-guest complexes (up to Φ(F) = 0.5) were successfully prepared upon encapsulation of various fluorescent dyes (e.g., BODIPY and coumarin derivatives) by a Pt(II)-linked coordination capsule in water. Picosecond time-resolved spectroscopy elucidates the photophysical behaviors of the obtained complexes. Notably, the emission color of the fluorescent guest within the capsule can be readily modulated upon pairwise encapsulation with planar aromatic molecules.
与先前的配位主体体系不同，通过 Pt(II)-连接的配位胶囊在水中包封各种荧光染料（例如 BODIPY 和香豆素衍生物），成功制备了高发光的主体-客体配合物（高达 Φ(F) = 0.5）。皮秒时间分辨光谱阐明了所得配合物的光物理行为。值得注意的是，通过与平面芳香族分子成对封装，可以轻松调节胶囊内荧光客体的发射颜色。
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