文献详情
A biomimetic ion-crosslinked layered double hydroxide/alginate hybrid film
文献类型期刊
作者Liang, Ben-liang[1];Wang, Jian-feng[2];Shu, Ying-qi[3];Yin, Peng-gang[4];Guo, Lin[5]
机构
通讯作者Wang, JF; Yin, PG (reprint author), Beihang Univ, Sch Chem & Environm, Beijing 100191, Peoples R China.
来源信息年:2017  卷:7  期:52  页码范围:32601-32606  
期刊信息RSC ADVANCES影响因子和分区  ISSN:2046-2069
摘要Natural nacre has an ordered layered arrangement of calcium carbonate platelets and ion-crosslinked protein, which enable it to achieve outstanding mechanical properties. Inspired by the relationship between structure and mechanical properties of natural nacre, we fabricate a Ca2+-crosslinked layered double hydroxide/alginate (LDH/ALG-Ca2+) hybrid film through filtration of Ca2+-crosslinked LDH/ALG hybrid building blocks. The LDH nanoplatelets and alginate were alternately stacked giving an ordered layered structure, in which alginate was crosslinked by Ca2+. The effect of LDH content and Ca2+ crosslinking on the microstructure and interfacial interaction of LDH/ALG-Ca2+ hybrid films was studied systematically. The optimized nacre-like hybrid film exhibits good flexibility and high strength (194 MPa), superior to natural nacre. The ordered layered structure and small diameter of LDH give the hybrid film a high transparency of 74-94% in the visible light wavelength range.
收录情况SCIE(WOS:000404609800021)  
所属部门化学与环境学院
DOI10.1039/c7ra04577h
学科化学综合
人气指数91
浏览次数91
基金National Natural Science Foundation of China [51403008]; 111 Project [B14009]; China Scholarship Council
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