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Synthesis of Polyanilines Bearing Optically Active Substituents
Author(s) -
Goto Hiromasa
Publication year - 2006
Publication title -
macromolecular chemistry and physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.57
H-Index - 112
eISSN - 1521-3935
pISSN - 1022-1352
DOI - 10.1002/macp.200600054
Subject(s) - polymer , perchloric acid , polymerization , doping , circular dichroism , chloroform , spectral line , optically active , materials science , polymer chemistry , chemistry , organic chemistry , crystallography , optoelectronics , composite material , physics , astronomy
Summary: Optically active polyanilines were prepared by an interfacial polymerization with (NH 4 ) 2 S 2 O 8 in a water/perchloric acid/chloroform system. The pristine polymer obtained in this way is in the oxidized (doped) form. The polymers display the mirror‐image Cotton effect. The doping process in solution allows a change in the circular dichroism of the polymer. The procedure has great potential in the improved preparation of durable optoelectrical devices based on the good film‐forming properties of chiral polymers.CD spectra of R ‐ P2 (solid line) and S ‐ P2 (dashed line) in 4.0 × 10 −4 M THF solution.
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