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

Singlet Exciton Fission Photovoltaics

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

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

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

7,14-Diaryl-Substituted Zethrene Diimides as Stable Far-Red Dyes with Tunable Photophysical Properties

(2013) Zhe Sun et al.   JOURNAL OF ORGANIC CHEMISTRY

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

Synthesis and Characterization of Quarteranthene: Elucidating the Characteristics of the Edge State of Graphene Nanoribbons at the Molecular Level

(2013) Akihito Konishi et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Revisiting zethrene: synthesis, reactivity and semiconductor properties

(2013) Liang Shan 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

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

(2012) Daniel T. Chase 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

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

Open-shell polycyclic aromatic hydrocarbons

(2011) Zhe Sun et al.   JOURNAL OF MATERIALS 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

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

Organic tailored batteries materials using stable open-shell molecules with degenerate frontier orbitals

(2011) Yasushi Morita et al.   NATURE 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 Diradical Character from Experiment

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

Biradicaloid and Polyenic Character of Quinoidal Oligothiophenes Revealed by the Presence of a Low-Lying Double-Exciton State

(2010) Simone Di Motta et al.   Journal of Physical Chemistry Letters

Tri-N-annulated Hexarylene: An Approach to Well-Defined Graphene Nanoribbons with Large Dipoles

(2010) Yan Li 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

Soluble and Stable Zethrenebis(dicarboximide) and Its Quinone

(2010) Zhe Sun et al.   ORGANIC LETTERS

N-Annulated Perylene Fused Porphyrins with Enhanced Near-IR Absorption and Emission

(2010) Chongjun Jiao et al.   ORGANIC LETTERS

Resonance Balance Shift in Stacks of Delocalized Singlet Biradicals

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

Bis-N-Annulated Quaterrylene: An Approach to Processable Graphene Nanoribbons

(2009) Yan Li 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

Bis-N-annulated Quaterrylenebis(dicarboximide) as a New Soluble and Stable Near-Infrared Dye

(2009) Chongjun Jiao et al.   ORGANIC LETTERS

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