期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 134, 期 36, 页码 14756-14759出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja307534y
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资金
- European Commission [CP-CSA_INFRA-2008-1.1.1, 226507-NMI3]
- German Research Foundation (DFG) in the framework of IGRTG [1524]
Threadlike molecular assemblies are excluded from narrow pores unless attractive interactions with the confining pore walls compensate for the loss of configurational entropy. Here we show that wormlike surfactant micelles can be assembled in the 8 nm tubular nanopores of SBA-15 silica by adjusting the surfactant-pore-wall interactions. The modulation of the interactions was achieved by coadsorption of a surface modifier that also provides control over the partitioning of wormlike aggregates between the bulk solution and the pore space. We anticipate that the concept of tuning the interactions with the pore wall will be applicable to a wide variety of self-assembling molecules and pores.
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