One-Step Assembly of Coordination Complexes for Versatile Film and Particle Engineering

被引：2014

作者：

Ejima, Hirotaka ^{[1
]}

Richardson, Joseph J. ^{[1
]}

Liang, Kang ^{[1
]}

Best, James P. ^{[1
]}

van Koeverden, Martin P. ^{[1
]}

Such, Georgina K. ^{[1
]}

Cui, Jiwei ^{[1
]}

Caruso, Frank ^{[1
]}

机构：

[1] Univ Melbourne, Dept Chem & Biomol Engn, Parkville, Vic 3010, Australia

来源：

SCIENCE | 2013年 / 341卷 / 6142期

基金：

日本学术振兴会; 澳大利亚研究理事会;

关键词：

METAL-ORGANIC FRAMEWORK; TANNIC-ACID; MICROCAPSULES; MULTILAYERS; COATINGS; NETWORKS; GOLD;

D O I：

10.1126/science.1237265

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

The development of facile and versatile strategies for thin-film and particle engineering is of immense scientific interest. However, few methods can conformally coat substrates of different composition, size, shape, and structure. We report the one-step coating of various interfaces using coordination complexes of natural polyphenols and Fe(III) ions. Film formation is initiated by the adsorption of the polyphenol and directed by pH-dependent, multivalent coordination bonding. Aqueous deposition is performed on a range of planar as well as inorganic, organic, and biological particle templates, demonstrating an extremely rapid technique for producing structurally diverse, thin films and capsules that can disassemble. The ease, low cost, and scalability of the assembly process, combined with pH responsiveness and negligible cytotoxicity, makes these films potential candidates for biomedical and environmental applications.

引用

页码：154 / 157

页数：4

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