Document Detail


Influence of meso-substituted tetraphenylporphyrin derivatives structure on their supramolecular organization in floating layers and Langmuir-Blodgett films.
MedLine Citation:
PMID:  23146108     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
In order to study the influence of structure peculiarities of porphyrin derivatives on their supramolecular organization in thin films, 15 new meso-substituted tetraphenylporphyrin derivatives and their metal complexes with substituents (-OC4H9 or -OC16H33) in para- or ortho-positions were studied. The films of the studied compounds were obtained by Langmuir-Schaefer method. The behavior of porphyrin derivatives at water-air interface was analyzed and the conformity of influence of molecular structure on supramolecular organization in floating layers and Langmuir-Blodgett films was defined. The absorption of these films in wide spectral range was analyzed. The supramolecular organization of meso-substituted tetraphenylporphyrin derivatives was modeled and specified with the help of X-ray diffraction analysis. It was determined that formation of monomolecular layers is typical for the compounds with short lateral substituents or without substituents. Tetraphenylporphyrins with extensive substituents can form a monolayer only when zinc is included in the molecular structure.
Authors:
Alexandr Vasilevich Kazak; Nadezhda Vasilevna Usoltseva; Sergey Yudin; Valentin Sotsky; Alexandr Semeikin
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-11-12
Journal Detail:
Title:  Langmuir : the ACS journal of surfaces and colloids     Volume:  -     ISSN:  1520-5827     ISO Abbreviation:  Langmuir     Publication Date:  2012 Nov 
Date Detail:
Created Date:  2012-11-13     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9882736     Medline TA:  Langmuir     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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