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多金属氧簇-嵌段高分子杂化胶束的溶液共组装

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多金属氧簇(Polyoxometalates,POMs)是一类成分和结构具有多样性的单分散纳米团簇.作为新兴的有机无机功能材料,多金属氧簇-嵌段高分子杂化材料在催化、光电化学以及生物化学等领域展现出了良好的应用前景.在此,我们提出了一种简单而新颖的多组分共组装策略,即通过静电相互作用将两亲性嵌段共聚物PEO-PS与Keggin型多金属氧簇H4SiW进行结合,在选择性溶液中制备多金属氧簇-嵌段高分子杂化胶束.利用核磁(1H NMR)、红外(FI-TR)、凝胶渗透色谱(GPC)等测试手段对PEO-PS/H4SiW杂化胶束的结构进行了表征,并通过透射电子显微镜(TEM)对其共组装行为进行了研究.
Co-assembly Behavior of Poly oxometalates-Block Copolymer Hybrid Vesicles in Solutions
Poly oxometalates(POMs)are monodisperse nanoclusters with diverse composition and structure.As a new organic and inorganic functional material,polyoxometalates-block copolymer hybrid materials have shown a good application prospect in catalysis,photoelectric chemistry and biochemistry.Here,we propose a simple and novel multi-component co-assembly strategy that combines amphiphilic block copolymer PEO-PS with Keggin-type polyoxomethanate H4SiW through electrostatic interaction.The structures of PEO-PS/H4SiW hybrids were characterized by 1 H NMR,FI-TR and GPC,and their co-assembly behavior was studied by TEM.

solution co-assemblyhybrid vesicleblock copolymerpoly oxometalateselectrostatic interaction

陈璐、李向前、洪程阳、高熙雨、刘浩

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东华大学,纤维材料改性国家重点实验室先进低维材料中心,上海 201620

溶液共组装 杂化胶束 嵌段共聚物 多金属氧簇 静电相互作用

上海市科学技术委员会自然科学基金面上项目

20ZR1401000

2024

山东化工
山东省化工研究院 山东省化工信息中心

山东化工

影响因子:0.249
ISSN:1008-021X
年,卷(期):2024.53(14)