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Nanoscale Tubular and Sheetlike Superstructures from Hierarchical Self‐Assembly of Polymeric Janus Particles
Author(s) -
Cheng Lin,
Zhang Guangzhao,
Zhu Lei,
Chen Daoyong,
Jiang Ming
Publication year - 2008
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.200803315
Subject(s) - janus , nanoscopic scale , superstructure , micelle , sonication , amphiphile , shell (structure) , nanotechnology , materials science , self assembly , polymer science , crystallography , chemical engineering , chemistry , physics , composite material , polymer , copolymer , engineering , organic chemistry , aqueous solution , thermodynamics
Two faces : Starting from mixed shell micelles, amphiphilic Janus particles with opposite hydrophobic and hydrophilic complex sides were obtained by intramicellar complexation between the mixed shell and the core at pH 3.1 (see picture). Hierarchical self‐assembly of these Janus particles in water resulted in a nanoscale tubular superstructure, which was then converted into regular nanosheets upon ultrasonication.