Recent advances in highly-efficient near infrared OLED emitters

PL dos Santos, P Stachelek, Y Takeda… - Materials Chemistry …, 2024 - pubs.rsc.org
Near infrared (NIR) light (700–1400 nm) can be used in numerous biological/medical as
well as technological applications. In this work we review the most recent examples of highly …

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 …

Synthesis and Chiroptical Properties of Radially Extended Carbazole with Chiral [2.2] Paracyclophane Core

M Hasegawa, W **ao, Y Ishida, K Asahi… - Advanced Functional …, 2024 - Wiley Online Library
2] Paracyclophanes ([2.2] PCs) with substituents at specific positions possesses planar
chirality and stands as a promising building unit for the development of chiroptical materials …

Chiral Luminescent Aza [7] helicenes Functionalized with a Triarylborane Acceptor and Near-Infrared-Emissive Doublet-State Radicals

J Duan, Y Shi, F Zhao, C Li, Z Duan, N Zhang… - Inorganic …, 2023 - ACS Publications
This paper presents new chiral luminescent molecules (N7-BMes2 and N7-TTM) using
configurationally stable aza [7] helicene (1) as a universal heteroatom-doped chiral scaffold …

Effects of halogen atom substitution on luminescent radicals: a case study on tris (2, 4, 6-trichlorophenyl) methyl radical-carbazole dyads

K Nakamura, K Matsuda, R **aotian, M Furukori… - Faraday …, 2024 - pubs.rsc.org
A series of halogen-substitute carbazole TTM radicals was synthesized. The effect of
halogen substituents on radical luminescence was systematically evaluated. It was found …

Synthesis and Structural Characterization of Carbazole‐Tailored Luminescent Triarylmethyl Radical and its Stable Cation

C Tang, Y Zhu, J **, S Zhang, K Zhou… - Angewandte …, 2025 - Wiley Online Library
The development of novel luminescent radicals, characterized by their unique doublet
emission, endows a significant challenge. In this study, we reported the synthesis of a …

Effects of hydrocarbon substituents on highly fluorescent bis (4-phenylphenyl) pyridylmethyl radical derivatives

Y Hattori, R Kitajima, A Baba, K Yamamoto… - Materials …, 2023 - pubs.rsc.org
Eight new stable luminescent radicals are reported. We previously reported that the
photoluminescence quantum yields (PLQYs) of diphenylpyridylmethyl radicals is …

Exploring the charge-transport and optical characteristics of organic doublet radicals: a theoretical and experimental study with photovoltaic applications

M Stanitska, R Keruckiene, G Sini… - … Applied Materials & …, 2024 - ACS Publications
Herein, we present a series of stable radicals containing a trityl carbon-centered radical
moiety exhibiting interesting properties. The radicals demonstrate the most blue-shifted anti …

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 …