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Nanometer-Scale Molecular Cluster Surfactants Generate Robust Gel Emulsion Systems for Solid-State Electrolytes
ACS Applied Nano Materials ( IF 5.3 ) Pub Date : 2021-09-23 , DOI: 10.1021/acsanm.1c01952 Haiyan Xiao 1 , Jia-Fu Yin 1 , Quanyong Cheng 2 , Qianjie Zhou 1 , Jiadong Chen 1 , Caili Huang 2 , Panchao Yin 1
ACS Applied Nano Materials ( IF 5.3 ) Pub Date : 2021-09-23 , DOI: 10.1021/acsanm.1c01952 Haiyan Xiao 1 , Jia-Fu Yin 1 , Quanyong Cheng 2 , Qianjie Zhou 1 , Jiadong Chen 1 , Caili Huang 2 , Panchao Yin 1
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Pickering emulsions stabilized by colloidal particles or their mixtures with surfactants have received increasing interest in recent years, but few of them can produce gel emulsions with practical stability. Herein, robust gel emulsions can be facilely prepared through the charge attraction-driven complexation and enrichment of negatively charged coordination nanocages (CNCs) and cationic surfactants at liquid/liquid interfaces. Due to CNCs’ ultrasmall sizes (∼2.5 nm) and highly charged features, they strongly interact with surfactants to jam the biphasic interfaces and endow the formed membranes with high cohesive energy densities, leading to the robust formation of gel emulsions with widely tunable liquid compositions. Moreover, the gel emulsions possess promising mechanical strength up to 104 Pa and the biphasic membranes can maintain their 3D hierarchical structures when both liquids are removed. Their preparation can be feasibly scaled up, enabling their applications in hierarchical porosity construction, gas adsorption, and solid-state electrolytes.
中文翻译：
纳米级分子簇表面活性剂为固态电解质生成坚固的凝胶乳液系统
近年来，由胶体颗粒或其与表面活性剂的混合物稳定的 Pickering 乳液受到越来越多的关注，但很少有人能够生产出具有实用稳定性的凝胶乳液。在此，通过电荷吸引驱动的络合和富集带负电荷的配位纳米笼 (CNC) 和液/液界面的阳离子表面活性剂，可以轻松制备坚固的凝胶乳液。由于 CNC 的超小尺寸 (~2.5 nm) 和高电荷特征，它们与表面活性剂强烈相互作用以堵塞双相界面并使形成的膜具有高内聚能密度，从而形成具有广泛可调液体成分的凝胶乳液. 此外，凝胶乳液具有良好的机械强度，高达 10 4当两种液体都被去除时，Pa 和双相膜可以保持其 3D 分层结构。它们的制备可以扩大规模，使其在分层孔隙结构、气体吸附和固态电解质中的应用成为可能。
更新日期：2021-10-22
中文翻译：
纳米级分子簇表面活性剂为固态电解质生成坚固的凝胶乳液系统
近年来，由胶体颗粒或其与表面活性剂的混合物稳定的 Pickering 乳液受到越来越多的关注，但很少有人能够生产出具有实用稳定性的凝胶乳液。在此，通过电荷吸引驱动的络合和富集带负电荷的配位纳米笼 (CNC) 和液/液界面的阳离子表面活性剂，可以轻松制备坚固的凝胶乳液。由于 CNC 的超小尺寸 (~2.5 nm) 和高电荷特征，它们与表面活性剂强烈相互作用以堵塞双相界面并使形成的膜具有高内聚能密度，从而形成具有广泛可调液体成分的凝胶乳液. 此外，凝胶乳液具有良好的机械强度，高达 10 4当两种液体都被去除时，Pa 和双相膜可以保持其 3D 分层结构。它们的制备可以扩大规模，使其在分层孔隙结构、气体吸附和固态电解质中的应用成为可能。
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