Recent advances on semiconducting nanomaterials–ferroelectric liquid crystals nanocomposites

A Kumar, H Meena, J Prakash, L Wang… - Journal of Physics …, 2021 - iopscience.iop.org
Ferroelectric liquid crystals (FLCs) possess excellent electro-optical properties compared to
nematic liquid crystals (LCs) including lower threshold voltage, faster switching response …

Quenching of photoluminescence and enhanced contrast of ferroelectric liquid crystal dispersed with Cd1− XZnXS/ZnS core/shell nanocrystals

DP Singh, S Pandey, SK Gupta, R Manohar… - Journal of …, 2016 - Elsevier
We report the dispersion of Cd 1− x Zn x S/ZnS core/shell nanocrystals (NCs) in ferroelectric
liquid crystal (FLC) into different concentrations. Absorbance of white light …

Core/shell quantum dots in ferroelectric liquid crystals matrix: effect of spontaneous polarisation coupling with dopant

S Pandey, T Vimal, DP Singh, SK Gupta, G Pathak… - Liquid …, 2016 - Taylor & Francis
In order to fabricate efficient and superior performance liquid crystal (LC) devices, the
physical parameters of the LC mesogens can be duly altered by incorporating non …

Cd1-xZnxS/ZnS core/shell quantum dot ferroelectric liquid crystal composite system: analysis of faster optical response and lower operating voltage

S Pandey, T Vimal, DP Singh, SK Gupta, P Tripathi… - Liquid …, 2014 - Taylor & Francis
Cd1− x Zn x S/ZnS core/shell-structured quantum dot (QD)-doped ferroelectric liquid crystal
(FLC) Felix 17/000 has been investigated in the present study. In the SmC* phase, the effect …

Effect of polymer concentration on morphology, dielectric and optical properties in a polymer-dispersed ferroelectric liquid crystal

D Jayoti, Khushboo, P Malik, A Singh - Liquid Crystals, 2016 - Taylor & Francis
Photocurable polymer-dispersed ferroelectric liquid crystal were prepared by polymerisation-
induced phase separation (PIPS). Morphological behaviour was analysed by polarising …

Manifestation of strong magneto-electric dipolar coupling in ferromagnetic nanoparticles− FLC composite: evaluation of time-dependent memory effect

T Vimal, S Pandey, SK Gupta, DP Singh… - Liquid …, 2018 - Taylor & Francis
ABSTRACT Rod-shaped 5 wt.% copper-doped ZnO (ZnO: Cu2+) ferromagnetic
nanoparticles (NPs), prepared by hydrothermal method, were dispersed in ferroelectric …

CdTe quantum dot dispersed ferroelectric liquid crystal: transient memory with faster optical response and quenching of photoluminescence

S Pandey, DP Singh, K Agrahari, A Srivastava… - Journal of Molecular …, 2017 - Elsevier
In the present study, the effect of dispersing Octadecylamine capped Cadmium Telluride
quantum dots (CdTe QDs) on the memory behaviour, physical parameters and dielectric …

Time-resolved fluorescence and absence of Förster resonance energy transfer in ferroelectric liquid crystal-quantum dots composites

DP Singh, S Pandey, R Manohar, S Kumar… - Journal of …, 2017 - Elsevier
The present article deals with the interaction of octadecylamine (ODA) capped cadmium
selenide quantum dots (CdSe QDs) and two ferroelectric liquid crystals (FLCs) having …

Mn2+ doped ZnS quantum dots in ferroelectric liquid crystal matrix: Analysis of new relaxation phenomenon, faster optical response, and concentration dependent …

DP Singh, A Daoudi, SK Gupta, S Pandey… - Journal of Applied …, 2016 - pubs.aip.org
Phase transitional, dielectric, electro-optical, polarizing optical microscopic,
photoluminescence (PL), and Fourier transformed infrared (FTIR) spectroscopic …

Influence of CdSe quantum dot on molecular/ionic relaxation phenomenon and change in physical parameters of ferroelectric liquid crystal

DP Singh, SK Gupta, S Pandey, T Vimal, P Tripathi… - Liquid …, 2015 - Taylor & Francis
Spherical cadmium selenide (CdSe) quantum dots (QDs), capped with octadecylamine,
dispersed in ferroelectric liquid crystal (FLC), can remarkably alter the electro-optical (EO) …