Influence of molecular and supramolecular factors on sensor properties of Langmuir–Blodgett films of tert-butyl-substituted copper azaporphyrines towards hydrocarbons

Langmuir–Blodgett (LB) films of tert-butyl-substituted copper azaporphyrines, namely binuclear phthalocyanine (Cu 2Pc 2’) and porphyrazine (CuPaz’), were formed from the floating layers differently structured. Effect of the film structure on sorption of benzene and hexane by the LB films was studied...

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Bibliographic Details
Published in:Colloids and surfaces. A, Physicochemical and engineering aspects Physicochemical and engineering aspects, 2002-02, Vol.198, p.891-896
Main Authors: Valkova, L, Borovkov, N, Maccioni, E, Pisani, M, Rustichelli, F, Erokhin, V, Patternolli, C, Nicolini, C
Format: Article
Language:English
Subjects:
Gas sensor
Langmuir–Blodgett film
Phthalocyanine
Porphyrazine
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Summary:Langmuir–Blodgett (LB) films of tert-butyl-substituted copper azaporphyrines, namely binuclear phthalocyanine (Cu 2Pc 2’) and porphyrazine (CuPaz’), were formed from the floating layers differently structured. Effect of the film structure on sorption of benzene and hexane by the LB films was studied microgravimetrically. The greatest benzene/hexane selectivity was found for the homogeneous film of Cu 2Pc 2’.
ISSN:0927-7757
1873-4359
DOI:10.1016/S0927-7757(01)01016-0