%0 Journal Article %1 WOS:000384865000005 %A Singh, Swapnil %A Singh, Harshita %A Srivastava, Anubha %A Tandon, Poonam %A Deb, Rahul %A Debnath, Somen %A Rao, N V S %A Ayala, A P %C PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS %D 2016 %I ELSEVIER SCIENCE BV %J VIBRATIONAL SPECTROSCOPY %K C Conformational DSC; POM; Smectic TD-FTIR; analysis} and crystal; liquid nematic phase; {Bent-core %P 24-34 %R 10.1016/j.vibspec.2016.05.005 %T Study of phase transitions in a bent-core liquid crystal probed by infrared spectroscopy %V 86 %X A new four ring bent-core liquid crystal (4'-n-octylphenylazo)-pheny1-4-yl-3-N-(4'-n-dodecyloxy-2-hydroxybenzy lidene) amino-2-methyl benzoate has been synthesized and investigated using differential scanning calorimetry (DSC), polarized optical microscopy (POM) and temperature dependent Fourier transform infrared (TD-FTIR) spectroscopy. DSC and POM were used to detect transition temperatures and identify mesophases. TD-FTIR spectroscopic technique was utilized as a probe to analyze the dynamics of the liquid crystal molecules during the phase transition. The quantum chemical density functional theory (DFT) was used to predict the most stable conformation and the correct vibrational assignment of different modes. Combined theoretical and experimental techniques provided a clear picture of the structural modifications and dynamics of mesophases during the phase transitions. (C) 2016 Elsevier B.V. All rights reserved.

@article{WOS:000384865000005, abstract = {A new four ring bent-core liquid crystal (4'-n-octylphenylazo)-pheny1-4-yl-3-[N-(4'-n-dodecyloxy-2-hydroxybenzy lidene) amino]-2-methyl benzoate has been synthesized and investigated using differential scanning calorimetry (DSC), polarized optical microscopy (POM) and temperature dependent Fourier transform infrared (TD-FTIR) spectroscopy. DSC and POM were used to detect transition temperatures and identify mesophases. TD-FTIR spectroscopic technique was utilized as a probe to analyze the dynamics of the liquid crystal molecules during the phase transition. The quantum chemical density functional theory (DFT) was used to predict the most stable conformation and the correct vibrational assignment of different modes. Combined theoretical and experimental techniques provided a clear picture of the structural modifications and dynamics of mesophases during the phase transitions. (C) 2016 Elsevier B.V. All rights reserved.}, added-at = {2022-05-23T20:00:14.000+0200}, address = {PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS}, author = {Singh, Swapnil and Singh, Harshita and Srivastava, Anubha and Tandon, Poonam and Deb, Rahul and Debnath, Somen and Rao, N V S and Ayala, A P}, biburl = {https://www.bibsonomy.org/bibtex/2e24014a0a1d29a0d2d2e59982e1bef5d/ppgfis_ufc_br}, doi = {10.1016/j.vibspec.2016.05.005}, interhash = {7ae56f573a6a38415eeb7225547842f3}, intrahash = {e24014a0a1d29a0d2d2e59982e1bef5d}, issn = {0924-2031}, journal = {VIBRATIONAL SPECTROSCOPY}, keywords = {C Conformational DSC; POM; Smectic TD-FTIR; analysis} and crystal; liquid nematic phase; {Bent-core}, pages = {24-34}, publisher = {ELSEVIER SCIENCE BV}, pubstate = {published}, timestamp = {2022-05-23T20:00:14.000+0200}, title = {Study of phase transitions in a bent-core liquid crystal probed by infrared spectroscopy}, tppubtype = {article}, volume = 86, year = 2016 }