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Liquid Crystalline Nature of K 4 Nb 6 O 17 Nanosheet Sols and Their Macroscopic Alignment
Author(s) -
Miyamoto N.,
Nakato T.
Publication year - 2002
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/1521-4095(20020916)14:18<1267::aid-adma1267>3.0.co;2-o
Subject(s) - materials science , exfoliation joint , nanosheet , crystallinity , birefringence , colloid , anisotropy , chemical engineering , nanotechnology , composite material , optics , graphene , physics , engineering
Liquid crystallinity of layered niobate K 4 Nb 6 O 17 colloidally dispersed via exfoliation has been achieved as evidenced by birefringence of the colloid (see Figure). Due to the large lateral size of the nanosheets, the liquid‐crystalline state is stable down to low concentrations and macroscopic alignment is easily induced by gravitational force. Potential applications of these nanosheets as anisotropic soft nanohybrids can be foreseen.