Surface chain dependent arrangement and self-assembly of polyhedral oligomeric silsesquioxane for supramolecular gels
Surface chain dependent arrangement and self-assembly of polyhedral oligomeric silsesquioxane for supramolecular gels
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超分子凝胶多面体低聚倍半硅氧烷的表面链依赖性排列和自组装
DOI：
10.1016/j.colsurfa.2020.125146
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发表时间：
2020-10
期刊：
影响因子：
--
通讯作者：
Xu Wang
中科院分区：
文献类型：
--
作者：
Huiwen He;Junnan Du;Hao Zheng;Meng Ma;Yanqin Shi;Zengliang Gao;Si Chen;Xu Wang
In this study, a series of amino acid grafted inorganic/organic hybrid POSS (Cn@POSS) were designed and synthesized. In order to investigate the surface chain dependent arrangement and self-assembly of POSS in supramolecular self-assembly, the molecular stacking, gelation abilities, thermal stability, morphology and mechanical properties of Cn@POSS gels were evaluated. From the obtained self-assembly mechanism of hybrid POSS, we discovered that the arrangement of hybrid POSS regularly stacking on a hexagonal columnar pathway and assembled into fibrous networks to form the gel in colloid self-assembly. The peripheral segments on the surface of hybrid POSS in a loosely extended state instead the collapse which provide a better position for the closely stacking and oriented aggregation of POSS. As the hierarchical assembled fibrous network, the length of surface chain (L-s) induced bending of assembled nano-fibers helps the efficient gelation by entanglement of surface chains, but weaken the self-recovery of gels. In contrast, in bulk self-assembly, the stacking of hybrid POSS were obviously affected and perturbed by the length of surface chain, with the shorter L-s the closer packing of POSS. This fundamental research helps the understanding of hierarchical self-assembly behaviours of nano-building block POSS in supramolecular gels and inspire the discovering on the applications of POSS based organic-inorganic hybrid molecules in functional soft materials.
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影响因子：
3.4
作者：
Hang Yu;Yanchao Lü;Xiang‐Lei Chen;Kaiqiang Liu;Yu Fang
通讯作者：
Hang Yu;Yanchao Lü;Xiang‐Lei Chen;Kaiqiang Liu;Yu Fang
DOI：
10.1002/chin.199811319
发表时间：
1998-03
期刊：
ChemInform
影响因子：
--
作者：
P. Terech;R. Weiss
通讯作者：
P. Terech;R. Weiss
DOI：
10.1002/chin.200602247
发表时间：
2006-01
期刊：
ChemInform
影响因子：
--
作者：
N. Sangeetha;U. Maitra
通讯作者：
N. Sangeetha;U. Maitra
影响因子：
5
作者：
M. Mohamed;Yu-Ru Jheng;Shu-Ling Yeh;Tao Chen;S. Kuo
通讯作者：
M. Mohamed;Yu-Ru Jheng;Shu-Ling Yeh;Tao Chen;S. Kuo
影响因子：
4.6
作者：
Naohiro Katsuta;M. Yoshimatsu;Kunihiro Komori;Tsubasa Natsuaki;K. Suwa;K. Sakai;T. Matsuo;Tomoyuki Ohba;S. Uemura;Satoshi Watanabe;M. Kunitake
通讯作者：
Naohiro Katsuta;M. Yoshimatsu;Kunihiro Komori;Tsubasa Natsuaki;K. Suwa;K. Sakai;T. Matsuo;Tomoyuki Ohba;S. Uemura;Satoshi Watanabe;M. Kunitake