Pro-aromatic and anti-aromatic π-conjugated molecules: an irresistible wish to be diradicals

High-Spin Organic Molecules

(2015) Nolan M. Gallagher et al.   JOURNAL OF ORGANIC CHEMISTRY

Zethrenes, Extended p-Quinodimethanes, and Periacenes with a Singlet Biradical Ground State

(2014) Zhe Sun et al.   ACCOUNTS OF CHEMICAL RESEARCH

An Amphoteric Switch to Aromatic and Antiaromatic States of a Neutral Air-Stable 25π Radical

(2014) Tullimilli Y. Gopalakrishna et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Tuning Ground States of Bis(triarylamine) Dications: From a Closed-Shell Singlet to a Diradicaloid with an Excited Triplet State

(2014) Yuanting Su et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Recent Highlights and Perspectives on Acene Based Molecules and Materials

(2014) Qun Ye et al.   CHEMISTRY OF MATERIALS

para-Quinodimethane-Bridged Perylene Dimers and Pericondensed Quaterrylenes: The Effect of the Fusion Mode on the Ground States and Physical Properties

(2014) Soumyajit Das et al.   CHEMISTRY-A EUROPEAN JOURNAL

Stable 7,14-Disubstituted-5,12-Dithiapentacenes with Quinoidal Conjugation

(2014) Qun Ye et al.   ORGANIC LETTERS

Quinoidal Naphtho[1,2-b:5,6-b′]dithiophenes for Solution-Processed n-Channel Organic Field-Effect Transistors

(2014) Takamichi Mori et al.   ORGANIC LETTERS

Antiaromatic bisindeno-[n]thienoacenes with small singlet biradical characters: syntheses, structures and chain length dependent physical properties

(2014) Xueliang Shi et al.   Chemical Science

Turning on the biradical state of tetracyano-perylene and quaterrylenequinodimethanes by incorporation of additional thiophene rings

(2014) Zebing Zeng et al.   Chemical Science

Quinoidal diindenothienoacenes: synthesis and properties of new functional organic materials

(2014) Gabriel E. Rudebusch et al.   Chemical Science

Indolo[2,3-b]carbazoles with tunable ground states: how Clar's aromatic sextet determines the singlet biradical character

(2014) Ding Luo et al.   Chemical Science

Singlet Exciton Fission Photovoltaics

(2013) Jiye Lee et al.   ACCOUNTS OF CHEMICAL RESEARCH

The Role of Chromophore Coupling in Singlet Fission

(2013) Justin C. Johnson et al.   ACCOUNTS OF CHEMICAL RESEARCH

High-Performance Air-Stable Single-Crystal Organic Nanowires Based on a New Indolocarbazole Derivative for Field-Effect Transistors

(2013) Kyung Sun Park et al.   ADVANCED MATERIALS

Tetracyanoquaterrylene and Tetracyanohexarylenequinodimethanes with Tunable Ground States and Strong Near-Infrared Absorption

(2013) Zebing Zeng et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Indeno[2,1-b]fluorene: A 20-π-Electron Hydrocarbon with Very Low-Energy Light Absorption

(2013) Akihiro Shimizu et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Multiple Reduction of 2,5-Bis(borolyl)thiophene: Isolation of a Negative Bipolaron by Comproportionation

(2013) Holger Braunschweig et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Diradicals

(2013) Manabu Abe   CHEMICAL REVIEWS

Ap-Quinodimethane-Bridged Porphyrin Dimer

(2013) Wangdong Zeng et al.   CHEMISTRY-A EUROPEAN JOURNAL

Benzenoid Polycyclic Hydrocarbons with an Open-Shell Biradical Ground State

(2013) Zhe Sun et al.   Chemistry-An Asian Journal

Pushing Extended p-Quinodimethanes to the Limit: Stable Tetracyano-oligo(N-annulated perylene)quinodimethanes with Tunable Ground States

(2013) Zebing Zeng et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Dibenzoheptazethrene Isomers with Different Biradical Characters: An Exercise of Clar’s Aromatic Sextet Rule in Singlet Biradicaloids

(2013) Zhe Sun et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

One-Electron Oxidation of an Organic Molecule by B(C6F5)3; Isolation and Structures of Stable Non-para-substituted Triarylamine Cation Radical and Bis(triarylamine) Dication Diradicaloid

(2013) Xin Zheng et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Indeno[2,1-c]fluorene: A New Electron-Accepting Scaffold for Organic Electronics

(2013) Aaron G. Fix et al.   ORGANIC LETTERS

Revisiting zethrene: synthesis, reactivity and semiconductor properties

(2013) Liang Shan et al.   Chemical Science

Synthesis and properties of fully-conjugated indacenedithiophenes

(2013) Brian S. Young et al.   Chemical Science

Aromaticity and π-bond covalency: prominent intermolecular covalent bonding interaction of a Kekulé hydrocarbon with very significant singlet biradical character

(2012) Akihiro Shimizu et al.   CHEMICAL COMMUNICATIONS

Low band gap polycyclic hydrocarbons: from closed-shell near infrared dyes and semiconductors to open-shell radicals

(2012) Zhe Sun et al.   CHEMICAL SOCIETY REVIEWS

Synthesis, Crystal Structures, and Properties of 6,12-Diaryl-Substituted Indeno[1,2-b]fluorenes

(2012) Jun-ichi Nishida et al.   CHEMISTRY-A EUROPEAN JOURNAL

Tuning the Quinoid versus Biradicaloid Character of Thiophene-Based Heteroquaterphenoquinones by Means of Functional Groups

(2012) Eleonora V. Canesi et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

6,12-Diarylindeno[1,2-b]fluorenes: Syntheses, Photophysics, and Ambipolar OFETs

(2012) Daniel T. Chase et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Impact of Diradical Character on Two-Photon Absorption: Bis(acridine) Dimers Synthesized from an Allenic Precursor

(2012) Kenji Kamada et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Kinetically Blocked Stable Heptazethrene and Octazethrene: Closed-Shell or Open-Shell in the Ground State?

(2012) Yuan Li et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Stable Tetrabenzo-Chichibabin’s Hydrocarbons: Tunable Ground State and Unusual Transition between Their Closed-Shell and Open-Shell Resonance Forms

(2012) Zebing Zeng et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Fluoreno[4,3-c]fluorene: A Closed-Shell, Fully Conjugated Hydrocarbon

(2012) Bradley D. Rose et al.   ORGANIC LETTERS

Electron-Accepting 6,12-Diethynylindeno[1,2-b]fluorenes: Synthesis, Crystal Structures, and Photophysical Properties

(2011) Daniel T. Chase et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Indeno[2,1-a]fluorene: An Air-Stable ortho-Quinodimethane Derivative

(2011) Akihiro Shimizu et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Towards Polycyclic Aromatic Hydrocarbons with a Singlet Open-Shell Ground State

(2011) Christoph Lambert   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Expanded porphyrins and aromaticity

(2011) Atsuhiro Osuka et al.   CHEMICAL COMMUNICATIONS

Semiconducting π-Conjugated Systems in Field-Effect Transistors: A Material Odyssey of Organic Electronics

(2011) Chengliang Wang et al.   CHEMICAL REVIEWS

Dicyanomethylene-Substituted Fused Tetrathienoquinoid for High-Performance, Ambient-Stable, Solution-Processable n-Channel Organic Thin-Film Transistors.

(2011) Qinghe Wu et al.   CHEMISTRY OF MATERIALS

Giant Enhancement of the Second Hyperpolarizabilities of Open-Shell Singlet Polyaromatic Diphenalenyl Diradicaloids by an External Electric Field and Donor–Acceptor Substitution

(2011) Masayoshi Nakano et al.   Journal of Physical Chemistry Letters

Diradical Character View of Singlet Fission

(2011) Takuya Minami et al.   Journal of Physical Chemistry Letters

Experimental consideration of covalent-bonding interactions in stacks of singlet biradicals having Kekulé structures

(2011) Akihiro Shimizu et al.   JOURNAL OF PHYSICAL ORGANIC CHEMISTRY

The Frontiers of Quinoidal Stability in Long Oligothiophenes: Raman Spectra of Dicationic Polaron Pairs

(2011) Sandra R. González et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Isolablep- andm-[(tBu2MeSi)2Si]2C6H4: Disilaquinodimethane vs Triplet Bis(silyl radical)

(2011) Takeshi Nozawa et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Air- and Heat-Stable Planar Tri-p-quinodimethane with Distinct Biradical Characteristics

(2011) Xiaozhang Zhu et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Soluble and Stable Heptazethrenebis(dicarboximide) with a Singlet Open-Shell Ground State

(2011) Zhe Sun et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Synthetic organic spin chemistry for structurally well-defined open-shell graphene fragments

(2011) Yasushi Morita et al.   Nature Chemistry

Direct Laser Writing of Complementary Logic Gates and Lateral p-n Diodes in a Solution-Processible Monolithic Organic Semiconductor

(2010) Jean Charles Ribierre et al.   ADVANCED MATERIALS

Indeno[1,2-b]fluorenes: Fully Conjugated Antiaromatic Analogues of Acenes

(2010) Daniel T. Chase et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Synthesis, Structure, and Photophysical Properties of Dibenzo[de,mn]naphthacenes

(2010) Tsun-Cheng Wu et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Singlet Fission

(2010) Millicent B. Smith et al.   CHEMICAL REVIEWS

Molecular Design and Synthetic Approaches to Electron-Transporting Organic Transistor Semiconductors†

(2010) Byung Jun Jung et al.   CHEMISTRY OF MATERIALS

Singlet Diradical Character from Experiment

(2010) Kenji Kamada et al.   Journal of Physical Chemistry Letters

((Alkyloxy)carbonyl)cyanomethylene-Substituted Thienoquinoidal Compounds: a New Class of Soluble n-Channel Organic Semiconductors for Air-Stable Organic Field-Effect Transistors

(2010) Yuki Suzuki et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Synthesis and Characterization of Teranthene: A Singlet Biradical Polycyclic Aromatic Hydrocarbon Having Kekulé Structures

(2010) Akihito Konishi et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Alternating Covalent Bonding Interactions in a One-Dimensional Chain of a Phenalenyl-Based Singlet Biradical Molecule Having Kekulé Structures

(2010) Akihiro Shimizu et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

A Stable Non-Kekulé Singlet Biradicaloid frommeso-Free 5,10,20,25-Tetrakis(Pentafluorophenyl)-Substituted [26]Hexaphyrin(1.1.1.1.1.1)

(2010) Taro Koide et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Soluble and Stable Zethrenebis(dicarboximide) and Its Quinone

(2010) Zhe Sun et al.   ORGANIC LETTERS

Zwitterionic Corroles: Regioselective Nucleophilic Pyridination of a Doubly Linked Biscorrole

(2009) Satoru Hiroto et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Resonance Balance Shift in Stacks of Delocalized Singlet Biradicals

(2009) Akihiro Shimizu et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Benzenoid and Quinonoid Nitrogen-Containing Heteropentacenes

(2009) Qin Tang et al.   CHEMISTRY-A EUROPEAN JOURNAL

New indolo[3,2-b]carbazole derivatives for field-effect transistor applications

(2009) Pierre-Luc T. Boudreault et al.   JOURNAL OF MATERIALS CHEMISTRY

A Soluble and Stable Quinoidal Bisanthene with NIR Absorption and Amphoteric Redox Behavior

(2009) Kai Zhang et al.   ORGANIC LETTERS

Tetradehydrodinaphtho[10]annulene: A Hitherto Unknown Dehydroannulene and a Viable Precursor to Stable Zethrene Derivatives

(2009) Rui Umeda et al.   ORGANIC LETTERS

Single-Crystal Microribbons of an Indolo[3,2-b]carbazole Derivative by Solution-Phase Self-Assembly with Novel Mechanical, Electrical, and Optical Properties

(2008) Yunlong Guo et al.   ADVANCED MATERIALS

Raman Detection of “Ambiguous” Conjugated Biradicals: Rapid Thermal Singlet-to-Triplet Intersystem Crossing in an Extended Viologen

(2008) Juan Casado et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

A Stable Radical Species from Facile Oxygenation of meso-Free 5,10,20,25-Tetrakis(pentafluorophenyl)-Substituted [26]Hexaphyrin(1.1.1.1.1.1)

(2008) Taro Koide et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Facile synthesis of novel indolo[3,2-b]carbazole derivatives and a chromogenic-sensing 5,12-dihydroindolo[3,2-b]carbazole

(2008) Rong Gu et al.   ORGANIC & BIOMOLECULAR CHEMISTRY

The Larger Acenes: Versatile Organic Semiconductors

(2007) John E. Anthony   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION