Vasanthi, T. published the artcileExperimental observation of induced thermochromic effect and nematic defects in hydrogen bonded liquid crystals, Application of 2,2′-Oxydiacetic acid, the main research area is hydrogen bond crystal temperature band gap energy.
Hydrogen bonded liquid crystal mixtures are derived from: (i) non-mesogenic compounds of diglycolic acid (DGA), (ii) mesogenic compounds of 4-amyloxybenzoic acid (5OBA) and (iii) 4-hexyloxy benzoic acid (6OBA). The existence of intermol. H-bond is confirmed with FTIR and validated using the d. functional theory studies. Polarized light microscopy and differential scanning calorimetry are used to observe the phase variations and transition temperature In addition, enthalpy values of different mesogenic phases are determined It is worth mentioning that the nematic mesogenic defects with S = ±1 and S = +1/2 are also analyzed. In order to discuss the induced higher order smectic F phase and its stability, the d. functional theory study is applied. The band gap energy of the hydrogen bonded liquid crystal mixtures is found to be 5.1780 eV, based on the HUMO-LUMO approach. This induced thermochromic effect of hydrogen bonded liquid crystal mixtures is a useful phenomenon that can be utilized in optical device applications. In this paper, variation on liquid crystal parameters as well as the formation of H-bond between an acceptor and a donor, along with the extension of a chain length, are also reported.
Acta Physica Polonica A published new progress about Band gap. 110-99-6 belongs to class alcohols-buliding-blocks, name is 2,2′-Oxydiacetic acid, and the molecular formula is C4H6O5, Application of 2,2′-Oxydiacetic acid.
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