Cyclodextrin Films with Fast Solvent Transport and Shape-Selective Permeability

Luis Francisco Villalobos, Tiefan Huang, Klaus-Viktor Peinemann

Research output: Contribution to journalArticlepeer-review

217 Scopus citations


This study describes the molecular-level design of a new type of filtration membrane made of crosslinked cyclodextrins-inexpensive macrocycles of glucose, shaped like hollow truncated cones. The channel-like cavities of cyclodextrins spawn numerous paths of defined aperture in the separation layer that can effectively discriminate between molecules. The transport of molecules through these membranes is highly shape-sensitive. In addition, the presence of hydrophobic (cavity) and hydrophilic (ester-crosslinked outer part) domains in these films results in high permeances for both polar and nonpolar solvents.
Original languageEnglish (US)
Pages (from-to)1606641
JournalAdvanced Materials
Issue number26
StatePublished - Apr 24 2017


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