文献类型：期刊文献

英文题名：Self-assembly morphology and packing structures depend on the "head' of organic cations anchored on polyoxometalate anions in hybrids

作者：Tan, Chunxia[1];Feng, Ruofei[2]

第一作者：谈春霞

通信作者：Tan, CX[1]

机构：[1]Gansu Univ Chinese Med, Key Lab Traditioanal Chinese Med Qual & Standard, Lanzhou, Peoples R China;[2]Northwest Univ Nationalities, Key Bioengn & Technol Lab SEAC, Lanzhou, Peoples R China

第一机构：甘肃中医药大学科研实验中心（甘肃省中医药标准化技术委员会秘书处）

通信机构：[1]corresponding author), Gansu Univ Chinese Med, Key Lab Traditioanal Chinese Med Qual & Standard, Lanzhou, Peoples R China.|[107359c91a78c5fd2e803]甘肃中医药大学科研实验中心（甘肃省中医药标准化技术委员会秘书处）;[10735]甘肃中医药大学;

年份：2017

卷号：29

期号：9

起止页码：634

外文期刊名：SUPRAMOLECULAR CHEMISTRY

收录：;Scopus(收录号：2-s2.0-85015675229);WOS:【SCI-EXPANDED(收录号:WOS:000403848800002)】；

基金：This work was supported by the Gansu Provincial Natural Science Foundation of China (2017, Tan Chunxia, Title: Preparation, morphology and charge transfer properties of fluorescent nanoparticles based on peryleneimide/ polyoxometalate hybrids).

语种：英文

外文关键词：Organic-polyoxometalates; self-assembly; morphology; layered structure; hexagonal structure

摘要：Two organic-polyoxometalates (organic-POMs) hybrids were constructed by fan-shaped 1-methyl-3-[3, 4, 5-tris(octadecyloxy) benzyl]imidazolium salts (labelled as I-Cl) and triethyl-[3, 4, 5-tris (octadecyloxy) benzyl] ammonium salts (labelled as Q-Cl) and Keggin anions [SiW12O40](4-) by electrostatic interaction. Self-assembled behaviours of two aggregates in organic solvent and solid state were investigated in detail by scanning electron microscopy, transmission electron microscopy and X-ray analysis. The mixed solution of chloroform-methanol or chloroform-acetone provided the stable environment for aggregates and aggregates showed a uniform micron size. X-ray analysis results showed that flower-like aggregates morphology of I-4[SiW12O40] based on imidazole ring as head' in organic cations was formed by the stacking of multilamellar discs and kept the lamellar structure in solid state. Bulk thorn spheres appeared in Q(4)[SiW12O40] aggregates, which were formed by closely interspersed of lots flatted blocks with hexagonal structure characteristics in solid state. The comprehension for the self-assembly morphology and solid structure of organic-polyoxometalate hybrids would help us to use easily modified organic moiety and functional inorganic polyoxoanions as blocks to build novel and giant supramolecular architecture. [GRAPHICS] .