Recent advances in heterocyclic nanographenes and other polycyclic heteroaromatic compounds

A Borissov, YK Maurya, L Moshniaha… - Chemical …, 2021 - ACS Publications
This review surveys recent progress in the chemistry of polycyclic heteroaromatic molecules
with a focus on structural diversity and synthetic methodology. The article covers literature …

Calixarene functionalized supramolecular liquid crystals and their diverse applications

VS Sharma, VK Vishwakarma, PS Shrivastav… - ACS …, 2022 - ACS Publications
Liquid crystals are considered to be the fourth state of matter with an intermediate order and
fluidity in comparison to solids and liquids. Calixarenes are among one of the most versatile …

Perylene-based liquid crystals as materials for organic electronics applications

RK Gupta, AA Sudhakar - Langmuir, 2018 - ACS Publications
Columnar phases formed by the stacking of disclike molecules with an intimate π–π overlap
forms a 1D pathway for the anisotropic charge migration along the columns. Columnar …

Highly stable deep red-to-NIR OLEDs with an external quantum efficiency of 4.9% from room temperature nanostructured columnar fluids based on hetero atom bay …

PK Behera, MR Nagar, RK Gupta, S Pradhan… - Journal of Materials …, 2022 - pubs.rsc.org
A series of electron deficient perylene bisimides (PBIs) bearing 3, 4, 5-tridecylphenyl
substituents on the imide N-atoms and bay-annulated with hetero atoms such as N, S, and …

Self-assembled blue-light emitting materials for their liquid crystalline and OLED applications: from a simple molecular design to supramolecular materials

VS Sharma, AS Sharma, NK Agarwal… - … Systems Design & …, 2020 - pubs.rsc.org
This paper reports the first fluorescent supramolecular columnar liquid crystals derived from
chalcone-biphenyl amine-functionalized on the lower rim of calixarene core with a good …

Heteroatom bay-annulated perylene bisimides: New materials for organic field effect transistors

RK Gupta, A Dey, A Singh, PK Iyer… - ACS Applied Electronic …, 2019 - ACS Publications
We report the synthesis of bay-annulated (N, S, and Se) perylene bisimides (PBIs) and their
structural, thermal, photophysical, electrochemical, and morphological characterization. In …

Discs to a 'Bright'Future: Exploring Discotic Liquid Crystals in Organic Light Emitting Diodes in the Era of New‐Age Smart Materials

R De, S Sharma, S Sengupta… - The Chemical …, 2022 - Wiley Online Library
With the advent of a new decade and the paradigm shift of every sphere of urban life to
virtual platforms, it has become imperative for the global researcher community to …

Columnar Self‐Assembly of Electron‐Deficient Dendronized Bay‐Annulated Perylene Bisimides

RK Gupta, DS Shankar Rao, SK Prasad… - … A European Journal, 2018 - Wiley Online Library
Three new heteroatom bay‐annulated perylene bisimides (PBIs) have been synthesized by
microwave‐assisted synthesis in excellent yield. N‐annulated and S‐annulated perylene …

Organic Light‐Emitting Diodes Based on a Columnar Liquid‐Crystalline Perylene Emitter

C Keum, D Becker, E Archer, H Bock… - Advanced Optical …, 2020 - Wiley Online Library
Liquid crystalline materials possess great potential as emitters in organic light‐emitting
diodes (OLEDs) due to their self‐assembling property, which may lead to anisotropic films …

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 …