Morphological and Thermal Behaviour of Monomer Dispersed Liquid Crystal

Mani, Santosh A.; Hadkar, Sameer; Mishra, Krishnakant; Rai, Pushpendra; Sarawade, Pradip B.

doi:10.1007/978-981-16-4321-7_58

Cited by 4 publications

(2 citation statements)

References 29 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…When the pitch is of the order of the wavelength of visible light, it shows Bragg's reflection which is useful for many optical applications. One of the important properties of CLC is that when a light is incident at any angle to helical axis, the reflected light becomes as elliptically polarized and when light is incident along the helical axis, it is reflected as circularly polarized light [1][2][3][4][5][6][7].…”

Section: Introductionmentioning

confidence: 99%

Tuning of Thermal and Electrical Properties of Polymer Dispersed Cholesteric Liquid Crystal

Mani

Pradhan²,

Khosla

et al. 2022

MSF

Self Cite

View full text Add to dashboard Cite

When a pure liquid crystal is dispersed into a suitable polymer to form micron-sized droplet, then it is called Polymer-dispersed liquid crystal (PDLC). In the present study, PDLC of different concentrations were prepared by dispersing a conducting polymer poly (3, 4–ethylenedioxy thiophene): poly (styrene sulfonate) into a cholestryl palmitate. The differential scanning calorimetry and fabry perot scattering studies were employed to study thermal and optical properties. It was found that the phase transition for PDLC occurs at a temperature different than those exhibited by pure liquid crystal. The behaviour of PDLC for parallel and perpendicular electric field has been investigated and the dielectric constant is determined. The value of dielectric constant and conductivity were found to increase with increasing concentration of polymer. The bistability and reflective properties of pure cholesteric liquid crystal can be minimized by dispersing polymer which makes material suitable for high contrast at large viewing angles.

show abstract

Section: Introductionmentioning

confidence: 99%

Tuning of Thermal and Electrical Properties of Polymer Dispersed Cholesteric Liquid Crystal

Mani

Pradhan²,

Khosla

et al. 2022

MSF

Self Cite

View full text Add to dashboard Cite

show abstract

“…However the molecules do not maintain long range positional order with respect to each in this phase. Due to the anisotropic behaviour, they can be reoriented by the external stimuli like heat, electric field and magnetic field [1][2][3][4][5].…”

Section: Introductionmentioning

confidence: 99%

Optical and Electrical Characterization of Polymer Dispersed Nematic Liquid Crystals

Mani

Pradhan

Rai

et al. 2022

KEM

Self Cite

View full text Add to dashboard Cite

Polymer dispersed liquid crystals are composite functional materials having a variety of application ranging from display to smart window. These materials consist of liquid crystal in which micron size droplets of polymer is dispersed. In the present study the effect of different concentration of polymer 2-ethyl hexyl acrylate on optical and electrical properties of nematic liquid crystal 4-cynophenyl 4-n-hexyl benzoate were investigated by various techniques. The investigation of textures at different temperatures was performed by polarizing optical microscopy for the determination of phase transition temperature. The fabry perot scattering studies using low powered laser beam was used for the confirmation of phase transition temperature. Various textures were found according to the orientation of liquid crystal and polymer. The optical and electrical properties of pure liquid crystal were found to enhance after dispersing polymer. Our investigation suggest that after dispersing polymer into nematic liquid crystal, the material shows more stability, less flicking and sticking of image for display applications.

show abstract

Optical properties of thermotropic liquid crystal dispersed with conducting polymer

Mani

Patwardhan

Khosla

et al. 2022

Materials Today: Proceedings

View full text Add to dashboard Cite

Morphological and Thermal Behaviour of Monomer Dispersed Liquid Crystal

Cited by 4 publications

References 29 publications

Tuning of Thermal and Electrical Properties of Polymer Dispersed Cholesteric Liquid Crystal

Tuning of Thermal and Electrical Properties of Polymer Dispersed Cholesteric Liquid Crystal

Optical and Electrical Characterization of Polymer Dispersed Nematic Liquid Crystals

Optical properties of thermotropic liquid crystal dispersed with conducting polymer

Contact Info

Product

Resources

About