Near-infrared luminescent open-shell π-conjugated systems with a bright lowest-energy zwitterionic singlet excited state

CP Yu, R Chowdhury, Y Fu, P Ghosh, W Zeng… - Science …, 2024 - science.org
Open-shell systems with extensive π-conjugation have fascinating properties due to their
narrow bandgaps and spin interactions. In this work, we report neutral open-shell di-and …

Spin-correlated luminescence of a carbazole-containing diradical emitter: single-molecule magnetoluminescence and thermally activated emission

A Mizuno, R Matsuoka, S Kimura, K Ochiai… - Journal of the …, 2024 - ACS Publications
Luminescent radicals have been intensively studied as a new class of materials exhibiting
novel photofunctions unique to open-shell systems. When luminescent radicals are …

Sulfone-Functionalized Chichibabin's Hydrocarbons: Stable Diradicaloids with Symmetry Breaking Charge Transfer Contributing to NIR Emission beyond 900 nm

Z Zhou, K Yang, L He, W Wang, W Lai… - Journal of the …, 2024 - ACS Publications
While monoradical emitters have emerged as a new route toward efficient organic light-
emitting diodes, the luminescence property of organic diradicaloids is still scarcely explored …

Spin-State Manipulation in a Luminescent Diradical Polymer

S Wang, X Wang, J Ding, Z Zhu, J Wang, L Shen… - …, 2024 - ACS Publications
Controlling the spin states to modulate their optical properties is crucial for spintronics and
emerging quantum technologies. Open-shell luminescent diradicals are promising …

A donor–acceptor cross-conjugated phenazine macrocycle with a large Stokes shift for sensing transition metal ions with “turn-on” fluorescence

H Li, X Zhang, J Peng, S Yang, R Hu… - Journal of Materials …, 2024 - pubs.rsc.org
Organic conjugated macrocycles have been widely studied in the fields of photoelectric
devices, supramolecular recognition and topological self-assembly because of their unique …

Dual Channel Emissions of Kasha and Anti‐Kasha from a Single Radical Molecule

Z Zhu, Z Kuang, L Shen, S Wang, X Ai… - Angewandte …, 2024 - Wiley Online Library
Stable open‐shell luminescent radicals have recently attracted much attention due to their
unique luminescence properties. However, a radical molecule with both Kasha and anti …

Enhancing the Optically Detected Magnetic Resonance Signal of Organic Molecular Qubits

YR Poh, J Yuen-Zhou - ACS Central Science, 2025 - ACS Publications
In quantum information science and sensing, electron spins are often purified into a specific
polarization through an optical-spin interface, a process known as optically detected …

Cross-Coupling of NHC/CAAC-Based Carbodicarbene: Synthesis of Electron-Deficient Diradicaloids

V Malhotra, BJ Elvers, R Dolai… - Journal of the …, 2024 - ACS Publications
Herein, we report nickel (0)-catalyzed cross-coupling reactions of NHC/CAAC-based
carbodicarbene (NHC= N-heterocyclic carbene and CAAC= cyclic (alkyl)(amino) carbene) …

A Stable Chichibabin Diradicaloid with Near‐Infrared Emission

X Chang, ME Arnold, R Blinder, J Zolg… - Angewandte Chemie …, 2024 - Wiley Online Library
Conjugated molecules with multiple radical centers such as the iconic Chichibabin
diradicaloid hold promise as building blocks in materials for quantum sensing and quantum …

Stable Xanthene Radicals and Their Heavy Chalcogen Analogues Showing Tunable Doublet Emission from Green to Near‐infrared

W Jiang, S Wu, D Xu, L Tu, Y Xie… - Angewandte Chemie …, 2024 - Wiley Online Library
Organic luminescent radicals, unlike traditional closed‐shell fluorescent emitters, exhibit
distinct luminescence mechanisms, offering promising potential for optoelectronic devices …