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Helical Twisting of Electrospun Liquid Crystalline Cellulose Micro‐ and Nanofibers
Author(s) -
Canejo João P.,
Borges João P.,
Godinho M. Helena,
Brogueira Pedro,
Teixeira Paulo I. C.,
Terentjev Eugene M.
Publication year - 2008
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/adma.200801008
Subject(s) - materials science , nanofiber , scanning electron microscope , optical microscope , cellulose , electrospinning , electron microscope , fiber , composite material , liquid crystalline , liquid crystal , polarized light microscopy , microscopy , atomic force microscopy , nanotechnology , polymer , chemical engineering , optics , optoelectronics , physics , engineering
Helically twisted fibers can be produced by electrospinning liquid‐crystalline cellulose solutions. Fiber topographies are studied by atomic force microscopy, scanning electron microscopy (see figure) and polarized optical microscopy. The fibers have a nearly universal pitch‐to‐diameter ratio and comprise both right‐ and left‐handed helices.