Chemistry of Discotic Liquid Crystals : From Monomers to Polymers book cover
1st Edition

Chemistry of Discotic Liquid Crystals
From Monomers to Polymers

ISBN 9781032402598
Published August 29, 2022 by CRC Press
518 Pages 403 B/W Illustrations

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Book Description

The self-contained properties of discotic liquid crystals (DLCs) render them powerful functional materials for many semiconducting device applications and models for energy and charge migration in self-organized dynamic functional soft materials. The past three decades have seen tremendous interest in this area, fueled primarily by the possibility of creating a new generation of organic semiconductors and wide viewing displays using DLCs. While a number of books on classical calamitic liquid crystals are available, there are, as yet, no books that are dedicated exclusively to the basic design principles, synthesis, and physical properties of DLCs.

The first reference book to cover DLCs, Chemistry of Discotic Liquid Crystals: From Monomers to Polymers highlights the chemistry and thermal behavior of DLCs. Divided into six chapters, each with a general description, background, and context for the concepts involved, the book begins with a basic introduction to liquid crystals, describing molecular self-assembly and various types of liquid crystals. It outlines their classification, covers their history and general applications, and focuses on DLCs and their discovery, structure, characterization, and alignment.

The book goes on to examine the chemistry and physical properties of various monomeric DLCs, including 25 sections describing the synthesis and mesomorphic properties of monomeric DLCs formed by different cores. The bulk of the book covers the chemistry and mesomorphism of discotic dimers, oligomers, and polymers and concludes with a look at some applicable properties of DLCs.

A comprehensive and up-to-date resource, this book is designed to be accessible and of value not just for students and researchers but also to the directors and principal investigators working in this field, providing the foundation and fuel to advance this fast-growing technological field.

Table of Contents


Self-Organization of Molecules and Liquid Crystals

Brief History of Liquid Crystals

Classification of Liquid Crystals

Lyotropic Liquid Crystals

Thermotropic Liquid Crystals

Calamitic Liquid Crystals

Bent-Core Liquid Crystals

Discotic Liquid Crystals

Structure of the Nematic Phases of Discotic Mesogens

Smectic Phases of Discotic Mesogens

Columnar Phases of Discotic Mesogens

Cubic Phase

Alignment of Discotic Liquid Crystals

Monomeric Discotic Liquid Crystals

Benzene Core

Naphthalene Core

Phenanthrene Core

Anthraquinone Core

Pyrene Core

Triphenylene Core

Perylene Core

Dibenzo[g,p]chrysene Core

Dibenzo[ fg,op]naphthacene Core

Truxene Core

Decacyclene Core

Hexabenzocoronene Core

Macrocyclic Cores

Miscellaneous Aromatic Cores

Triazine Core


Hexaazatriphenylene Core


Tricycloquinazoline Core

Porphyrin Core

Porphyrazine Core

Phthalocyanine Core

Miscellaneous Discotic Metallomesogens

Miscellaneous Heterocyclic Cores

Non-Aromatic Cores

Discotic Dimers

Benzene-Based Discotic Dimers

Scylloinositol Dimer

Discotic Dimers Derived from Pyranose Sugars

Rufigallol-Based Discotic Dimers

Triphenylene-Based Discotic Dimers

Cyclotetraveratrylene Dimer

Phthalocyanine-Based Discotic Dimers

Porphyrin Double-Deckers

Hexabenzocoronene-Based Dimers

Discotic Oligomers

Discotic Trimers

Discotic Tetramers

Discotic Pentamers

Discotic Hexamers

Star-Shaped Discotic Heptamers

Discotic Polymers

Benzene-Based Discotic Polymers

Alkynylbenzene-Based Discotic Polymers

Rufigallol-Based Main-Chain Discotic Polymers

Triphenylene-Based Polymers

Cyclotetraveratrylene-Based Polymers

Phthalocyanine-Based Polymers

Hexabenzocoronene-Based Polymers


Discotics for Wide Viewing Displays

Discotics for High-Quality Carbon Products

Discotic Liquid Crystals as Materials for a New Generation of Organic Electronics

Discotic Solar Cells

Discotic Liquid Crystals as Organic Light-Emitting Diode Materials

Discotic Field Effect Transistors

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Sandeep Kumar


"Kumar's book will be a key resource and a "must buy" for all researchers involved in the synthesis and investigation of DLCs, because it combines information scattered over dozens of review articles in a single and concise volume. It will also aid those who cover DLCs in undergraduate and graduate courses by easing their search for key references on specific concepts of DLCs and discotic compounds."
—S. Holger Eichhorn, University of Windsor, in Journal of the American Chemical Society, April 2011