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F. SESIGUR1, D. SAKAR1,* , O. YASA-SAHIN1, F. KURUOGLU2, F. CAKAR1, M. MOGULKOC2, M. CALISKAN2, O. CANKURTARAN1, M. SERIN2, B. BILGIN-ERAN1
The thermodynamic interactions, sorption properties and electrical conductivity measurements of thermotropic liquid crystalline compound, (S)-5-dodecyloxy-2-[[[4-(2-methylbutoxy) phenyl]imino]methyl]phenol (DMPIMP) are experimentally investigated in this work. The retention diagrams of trace amount of solvents such as benzene, propylbenzene, chlorobenzene were passed through the gas chromatography column loaded with DMPIMP coated on Chromosorb W. The retention diagrams of the solvents on DMPIMP were plotted by means of specific retention volumes, 0 g V at the emperatures in K between 33 and 383 by inverse gas chromatography. Flory-Huggins liquid crystal-solvent interaction parameter, 12 χ , equation of state liquid crystal-solvent interaction parameter, 12 χ , the weight fraction activity coefficient, 1 and effective exchange energy parameter, eff X and molar enthalpies related to the DMPIMP-solvent systems were obtained. The DMPIMP films were also characterized by means of its electrical properties depending on doping effect for the films having two different dopant concentrations such as 25 and 50 percent of tetrabutylammonium tetrafluoroborate..
Thermotropic liquid crystal, Inverse gas chromatography, Interaction parameters, Electrical conductivity.
F. SESIGUR, D. SAKAR, O. YASA-SAHIN, F. KURUOGLU, F. CAKAR, M. MOGULKOC, M. CALISKAN, O. CANKURTARAN, M. SERIN, B. BILGIN-ERAN, Electrical and thermodynamical characterization of thermotropic liquid crystal, Optoelectronics and Advanced Materials - Rapid Communications, 5, 5, May 2011, pp.572-576 (2011).
Submitted at: April 22, 2011
Accepted at: May 31, 2011
Optoelectronics and Advanced Materials - Rapid Communications
(2022): 0.5 - 2022 Journal Citation Reports (Clarivate Analytics, 2023)
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