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From Vesicles to Helical Nanotubes: A Sergeant‐and‐Soldiers Effect in the Self‐Assembly of Oligo( p ‐phenyleneethynylene)s
Author(s) -
Ajayaghosh Ayyappanpillai,
Varghese Reji,
Mahesh Sankarapillai,
Praveen Vakayil K.
Publication year - 2006
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200603238
Subject(s) - transmission electron microscopy , schematic , dynamic light scattering , vesicle , helix (gastropod) , atomic force microscopy , carbon nanotube , nanotechnology , scattering , crystallography , physics , chemistry , materials science , nanoparticle , optics , membrane , electrical engineering , engineering , biochemistry , ecology , snail , biology
Coassembly of short molecular wires OPE1 with chiral analogues OPE2 , both of which are CD silent, exhibited a sergeant‐and‐soldiers effect that resulted in transformation of vesicular aggregates of OPE1 into CD‐active helical nanotubes (see schematic picture), as revealed by CD, dynamic light scattering, and atomic force and transmission electron microscopies (TEM). OPE =oligo( p ‐phenyleneethynylene).