Interdependency among electro-optic characteristics and absorption coefficient of homeotropically aligned liquid crystal considering Beer’s law theory

Chinky,; Kumar, Pankaj; Dogra, Ankit Rai; Malik, Praveen

doi:10.1007/s12034-022-02667-8

Cited by 5 publications

(1 citation statement)

References 43 publications

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“…Out of the used dyes, azo dye proves most commonly used dye for fabricating this kind of LC displays due to their properties compatible to the LCs. The azo dye molecules have extended and rod-like molecular shape and are more suitable to get aligned with the LC host [20][21][22][23][24][25]. Thus, in the present work, a dye doped vertically aligned LC (VALC) cell was formed by mixing 0.125% of azo dye in host LC-ZnO NPs mixture.…”

Section: Introductionmentioning

confidence: 99%

Effect of Azo Dye on Electro-Optic and Optical Band Gap Characteristics in ZnO Nanoparticles Induced Vertically Aligned Liquid Crystal Cells

Jaggi,

Kumar,

Malik

2023

J. Phys.: Conf. Ser.

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Alignment of liquid crystal (LC) molecules in vertical direction is the most promising and interesting aspect for display devices in view of scientific and technological growth. Moreover, in accordance with the photovoltaic device applications, liquid crystals (LCs) show numerous applications. In the present work, the impact of dye as dopant with appropriate amount, over the electro-optic (E-O) and band gap properties as well as phase behaviour of vertically aligned liquid crystals (VALCs) has been studied and discussed. Initially, zinc oxide (ZnO) nanoparticles (NPs) were mixed to induce the vertical alignment (VA) in confined cell. Then, to prepare the dye doped LC sample, 0.125% of azo dye as dopant was uniformly mixed in the host sample. The results showed enhanced E-O characteristics with reduction in optical band gap as calculated using UV Visible study in 0.125% dye doped cell as compared to host sample cell.

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