Results 171 to 180 of about 4,735 (210)

Intermolecular Aggregation‐Induced Delayed Fluorescence Scintillators for Ultrahigh‐Resolution X‐Ray Imaging

Advanced Science, Volume 13, Issue 34, 19 June 2026.
An intermolecular AIDF strategy enables an organic X‐ray scintillator (OXST) that resists concentration quenching and efficiently utilizes singlet and triplet excitons. The AIDF emitter, embedded in a polysulfone matrix, yields bright, flexible, and transparent scintillation screens with ultralow detection limits and high spatial resolution, offering a
Jie Yuan, Ying Liu, Botao Zheng, Xu Zhao, Yongrong Wang, Peng Zhang, Yifei Liu, Jingxia Zheng, Ping Li, Jianwei Li, Shen Xu, Runfeng Chen, Ye Tao   +12 more
wiley   +1 more source

Conformational Landscapes in the Ground and Excited States Dictate Circularly Polarized Excimer Emission: A Thermodynamic–Kinetic Interplay in Carbazole Dimer Systems

Angewandte Chemie, Volume 138, Issue 23, 1 June 2026.
Covalently linked carbazole dimers exhibit intense excimer‐based circularly polarized luminescence (CPL). A simple propylene‐tethered dimer achieves glum ≈ 0.01 in the violet region—among the highest for small organic emitters without heavy atoms. Conformational mapping reveals CPL is governed by thermodynamic/kinetic control of emissive conformers ...
Tomohiro Kujime, Zhe Wang, Tadashi Mori
wiley   +2 more sources

Enantioselective Pyrazole Alkylation via Iridium and Squaramide Catalyzed N-H Insertion. [PDF]

J Am Chem Soc
Ruud KJ, Antonucci AJ, Lukovic V, Vennemeyer A, Dong VM.   +4 more
europepmc   +1 more source

Molecular Design and Interfacial Functions of Self‐Assembled Monolayers for Perovskite and Tandem Solar Cells

Advanced Energy Materials, Volume 16, Issue 23, 17 June 2026.
We identify two decisive levers for SAM interfaces: molecular design (carboxylic acid‐based, phosphonic acid, other anchoring chemistries, and polymeric SAMs) and mixing routes (co‐assembly, in situ assembly, pre‐ and post‐treatment). Coordinated tuning of headgroups and assembly pathways optimises energy alignment and film formation, suppresses ...
Jiaxu Zhang, Bochun Kang, Feng Yan
wiley   +1 more source

Ir/Ni Metallaphotoredox Catalysis for the C(sp³)─H Bond α-Arylation and Alkylation of N-Alkyl N-Heterocycles. [PDF]

Chemistry
Lv B, Ling F, Soulé JF.
europepmc   +1 more source

Mechanisms, Design Principles, and Emerging Strategies in Supramolecular Assembly‐Enabled Circularly Polarized Room‐Temperature Phosphorescence

Aggregate, Volume 7, Issue 6, June 2026.
The Graphical Abstract summarizes the key concepts of this review, covering supramolecular assembly strategies, CPP material integration, multicolor emission, information encryption, and flexible optoelectronic applications. ABSTRACT Circularly polarized luminescence (CPL) and room‐temperature phosphorescence (RTP) materials are crucial for advanced ...
Wei Zhang, Jiang‐Hai Li, Mao‐Qin Liu, Zheng‐Mei Cheng, Ye Meng, Yang Luo, Jin‐Liang Zhuang   +6 more
wiley   +1 more source

Selectivity Rules for the Dearomative (3+2) Annulation Reaction Between Substituted Indoles and Oxyallyl Cations. [PDF]

Adv Synth Catal
Saha D, Wu J.
europepmc   +1 more source

Dendronized Encapsulation with Hierarchical Rigidification Enabling Robust Solution Room-Temperature Phosphorescence, Efficient Electroluminescence and Ultralong Afterglow. [PDF]

Adv Sci (Weinh)
Li C, Lou Z, Hu L, Xie G, Zhang S, Xu B, Zhao Z, Lam JWY, Tang BZ.   +8 more
europepmc   +1 more source

Polyhalogenated Carbazole Impairs Dopaminergic Neurons through Dysregulation of Liquid-Liquid Phase Separation in Caenorhabditis elegans. [PDF]

Adv Sci (Weinh)
Luo Y, Xu H, Peng P, Lu X, Zhou Q, Gao Z, Tang C, Yin H, Cai Y, Mahai G, Zhu Z, Liu Z, Li H, Xu S.   +13 more
europepmc   +1 more source

Electronic Smoking Devices Among University Students: Usage Patterns and Chemical Composition of Inhaled Substances

Analytical Science Advances, Volume 7, Issue 1, June 2026.
ABSTRACT This study investigated the prevalence of electronic smoking device (ESD) use and its associated behavioural and chemical risks among university students in Bahia, Brazil. A cross‐sectional survey was conducted with 355 students from public and private institutions through an online questionnaire between April and May 2023. Among participants,
Eduard F. Valenzuela, Raffael Silva Santos Almeida, Ivana Ferreira Simões, Aline Gonçalves Miranda, Magno Oliveira Ramos, Roberto Rodrigues Bandeira Tosta Maciel, Fernanda Warken Rosa, Aníbal de Freitas Santos Júnior   +7 more
wiley   +1 more source