Scanning electrochemical microscopy assessment of rates of molecular transport through mesoporous thin-films of porphyrinic 'molecular squares'

Authors :: Williams, Mary Elizabeth
Hupp, Joseph T.
Source :: Journal of Physical Chemistry A. Sept 20, 2001, Vol. 105 Issue 37, 8944-8950
Publication Year :: 2001
Abstract: Scanning electrochemical microscopy (SECM), in combination with electrode platform micropatterning, is used for qualitative characterization of molecular sieving and exceptionally precise quantitative measurement of molecular permeation through thin films of meso- and microporous materials composed of porphyrinic 'molecular squares'.

Subjects :: Scanning electron microscopes -- Observations
Porphyrins -- Structure
Dielectric films -- Spectra
Thin films -- Spectra
Chemicals, plastics and rubber industries

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