Perspective on structure-property relationship of room temperature single-component liquid crystals

G Shanker, KRS Kumar, B Paul - Liquid Crystals, 2022 - Taylor & Francis
Ever since the serendipitous discovery of liquid crystals (LC) by Friedrich Reinitzer in 1888,
a significant number of LCs have been synthesised and characterised. The ever-growing …

High hole mobility and efficient Ambipolar charge transport in heterocoronene-based ordered columnar Discotics

J De, I Bala, SP Gupta, UK Pandey… - Journal of the American …, 2019 - ACS Publications
Heterocoronene, a new redox-active core fragment, is utilized for the synthesis of room-
temperature columnar discotic liquid crystals (DLCs). Three wedge-shaped side chains …

Room-temperature columnar liquid crystals as efficient pure deep-blue emitters in organic light-emitting diodes with an external quantum efficiency of 4.0%

J De, WY Yang, I Bala, SP Gupta… - … applied materials & …, 2019 - ACS Publications
A novel design of aggregation-induced emission (AIE) active columnar (Col)
luminomesogens is reported, and they are demonstrated to act as highly efficient deep-blue …

Exploring the Ambipolar Charge Carrier Mobility, Mesomorphic, and Gel Properties in Nitrile Extended Quinoxaline and Phenanthro[a]phenazine Discotic Liquid …

A Patra, PK Behera, A Shah, DP Singh… - ACS Applied …, 2024 - ACS Publications
A set of cyano-substituted dibenzo-quinoxaline and phenanthro-phenazine discotic
mesomorphs have been synthesized, and the impact of ring closure on thermal, optical …

Color-tunable photoluminescent discotic liquid crystal based on perylene–Pentaalkynylbenzene triad

S Rani, SP Gupta, M Gupta, SK Pal - Journal of Molecular Liquids, 2023 - Elsevier
This article describes the design and development of a discotic triad, where perylene is
sandwiched between two pentaalkynyl benzene units, linked via a flexible alkyl spacer. The …

Observation of helical self-assembly in cyclic triphosphazene-based columnar liquid crystals bearing chiral mesogenic units

S Rani, V Punjani, SP Gupta, MB Kanakala… - Journal of Materials …, 2023 - pubs.rsc.org
Nowadays, intensive research has focused on the design and synthesis of function-
integrated smart materials resulting from the spontaneous self-assembly of appropriately …

Magnified charge carrier conduction, permittivity, and mesomorphic properties of columnar structure of a room temperature discotic liquid crystalline material due to …

R Uttam, S Kumar, R Dhar - Physical Review E, 2020 - APS
Liquid crystal nanocomposites have been a hot topic of research due to optimization of
physical properties with such blending. There are several reports on enhancement of …

Hydrogen-bond mediated columnar liquid crystalline assemblies of C 3-symmetric heptazine derivatives at ambient temperature

I Bala, SP Gupta, S Kumar, H Singh, J De, N Sharma… - Soft matter, 2018 - pubs.rsc.org
A new class of hydrogen (H) bonded fluorescent liquid crystals (FLCs) based on a newly
discovered s-heptazine fluorophore discotic component have been synthesized. The …

High hole mobility in room temperature discotic liquid crystalline tetrathienoanthracenes

I Bala, J De, SP Gupta, H Singh, UK Pandey… - Chemical …, 2020 - pubs.rsc.org
Tetrathienoanthracene (TTA), a new discotic core fragment, is explored that shows a
remarkably high hole mobility (μh) of 4.22 cm2 V− 1 s− 1 at room temperature when used in …

Strengthening of columnar hexagonal phase of a room temperature discotic liquid crystalline material by using ferroelectric barium titanate nanoparticles

R Uttam, N Yadav, S Kumar, R Dhar - Journal of Molecular Liquids, 2019 - Elsevier
A discotic liquid crystalline (DLC) material possessing a wide room temperature columnar
hexagonal phase has been used as a polymeric matrix to disperse ferroelectric barium …