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Philic and Phobic Segregation in Liquid‐Crystal Ionic Dendrimers: An Enthalpy–Entropy Competition
Author(s) -
HernándezAinsa Silvia,
Marcos Mercedes,
Barberá Joaquín,
Serrano José L.
Publication year - 2010
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.200905654
Subject(s) - dendrimer , supramolecular chemistry , competition (biology) , enthalpy , ionic bonding , alkyl , entropy (arrow of time) , chemistry , molecule , polymer chemistry , polymer science , crystallography , organic chemistry , thermodynamics , physics , ion , ecology , biology
A molecular tug of war between non‐ and semifluorinated alkyl chains (see picture) occurs when they are forced together by ionic attachment to a poly(propylene imine) dendrimer. Unexpected mesomorphic properties appear as a consequence of the competition of both substituents to control the supramolecular organization of the molecules.

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