Direct Imaging of Carbon Nanotube Liquid-Crystalline Phase Development in True Solutions

Using direct-imaging cryogenic transmission and scanning electron microscopy, we show different stages of liquid-crystalline phase development in progressively more concentrated solutions of carbon nanotubes in chlorosulfonic acid: a dilute phase of individually dissolved carbon nanotubes; semidilut...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 33(2017), 16 vom: 25. Apr., Seite 4011-4018
1. Verfasser: Kleinerman, Olga (VerfasserIn)
Weitere Verfasser: Liberman, Lucy, Behabtu, Natnael, Pasquali, Matteo, Cohen, Yachin, Talmon, Yeshayahu
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2017
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, Non-U.S. Gov't
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520 |a Using direct-imaging cryogenic transmission and scanning electron microscopy, we show different stages of liquid-crystalline phase development in progressively more concentrated solutions of carbon nanotubes in chlorosulfonic acid: a dilute phase of individually dissolved carbon nanotubes; semidilute and concentrated isotropic phases; coexisting concentrated isotropic and nematic phases in local equilibrium with each other; and a fully liquid-crystalline phase. Nanometric resolution of cryogenic electron microscopy reveals carbon nanotube self-assembly into liquid-crystalline domains of several nanometers in width at very early stages. We find significant differences in carbon nanotube liquid-crystalline domain morphology as a function of the carbon nanotube aspect ratio, diameter, and degree of purity 
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700 1 |a Behabtu, Natnael  |e verfasserin  |4 aut 
700 1 |a Pasquali, Matteo  |e verfasserin  |4 aut 
700 1 |a Cohen, Yachin  |e verfasserin  |4 aut 
700 1 |a Talmon, Yeshayahu  |e verfasserin  |4 aut 
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