Macroscopic manifestation of a vapour-induced molecular switching phenomenon

作者:Richardson T H*; Brittle S; Parnell A J; Fryer A; McCaig T; Hobson A; Dunbar A D F; Hutchinson J; Hunter C A
来源:Soft Matter, 2010, 6(14): 3157-3159.
DOI:10.1039/c0sm00133c

摘要

We report a molecular switching event that leads to a reversible large-scale expansion of a floating porphyrin Langmuir layer residing at the air-water interface. This vapour-induced protonation-deprotonation mechanism, responsible for the expansion-contraction cycle, could potentially be exploited in applications in which a physical shape-change is triggered by exposure to an acidic or basic gas.

  • 出版日期2010