Experimental investigation on the effect of mesogenic ratio in hydrogen-bonded liquid crystal complexes

S. SundaramBannari Amman Institute of Technology, Physics, Alathukombai, BIT, Sathyamangalam, Erode (Dt), Erode, India

P. SubhasriBannari Amman Institute of Technology, Physics, Alathukombai, BIT, Sathyamangalam, Erode (Dt), Erode, India

T. VasanthiBannari Amman Institute of Technology, Physics, Alathukombai, BIT, Sathyamangalam, Erode (Dt), Erode, India

T. S. SenthilErode Sengunthar Engineering College, Physics, Thudupathi, Erode, India

R. JayaprakasamBannari Amman Institute of Technology, Physics, Alathukombai, BIT, Sathyamangalam, Erode (Dt), Erode, India

V. N. VijayakumarBannari Amman Institute of Technology, Physics, Alathukombai, BIT, Sathyamangalam, Erode (Dt), Erode, IndiaCorrespondence[email protected]

ABSTRACT

Hydrogen-bonded liquid crystal complex (HBLC) is synthesized from mesogenic 4-hexyloxy benzoic acid (6OBA) and aliphatic non-mesogenic citric acid (CA). The presence of intermolecular hydrogen bond in the HBLC complex is confirmed by FTIR spectrum. Phase transition temperature and enthalpy values are identified using different techniques. Induced highly ordered smectic G phase has been noticed in the present HBLC complex. Thermal span width and thermal stability factor of the individual mesogenic phase are discussed. The complexes are synthesized in different mole ratios, and their corresponding influence on the phase transitions is also discussed.

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Acknowledgments

The author (V. N. Vijayakumar) acknowledges the infrastructural support provided by Bannari Amman Institute of Technology, Sathyamangalam.

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Experimental investigation on the effect of mesogenic ratio in hydrogen-bonded liquid crystal complexes

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Experimental investigation on the effect of mesogenic ratio in hydrogen-bonded liquid crystal complexes

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