Results 51 to 60 of about 14,729 (229)

N,N-Dimethyl-4-[(E)-2-(3,6,7-tribromo-9-butyl-9H-carbazol-2-yl)ethenyl]aniline

Acta Crystallographica Section E, 2012
In the title molecule, C26H25Br3N2, a dihedral angle of 6.15 (10)° is present between the carbazole and benzene ring systems with an E conformation about the C=C bond [1.335 (4) Å].
Sushil Kumar, K. R. Justin Thomas, Seik Weng Ng, Edward R. T. Tiekink   +3 more
doaj   +1 more source

3,6-Diiodo-9H-carbazole [PDF]

Acta Crystallographica Section E Structure Reports Online, 2012
In the title compound, C12H7I2N, the tricyclic aromatic ring system is essentially planar, with an r.m.s. deviation of 0.0272 Å. The two I atoms are marginally out of plane, with the C—I bonds angled at 3.9 (2) and 1.1 (2)° with respect to the planes of their respective benzene rings, above and below the plane of the carbazole ring system. No classical
Yu-Zhong Xie, Jing-Yi Jin, Guang-De Jin
openaire   +3 more sources

Uncovering the Origin of Efficiency Roll‐Off in TADF OLEDs

Advanced Functional Materials, EarlyView.
OLEDs based on thermally activated delayed fluorescent (TADF) materials often suffer from a severe drop in efficiency at high brightness levels. This work presents a technique to uncover the source of this efficiency drop, and quantifies the exciton‐exciton and exciton‐polaron annihilation processes responsible for efficiency losses in our TADF OLEDs ...
Liam G. King, Kou Yoshida, Arvydas Ruseckas, Ifor D. W. Samuel   +3 more
wiley   +1 more source

1,2-Dihydrospiro[carbazole-3(4H),2′-[1,3]dioxolane]

Acta Crystallographica Section E, 2009
In the title compound, C14H15NO2, the hydrogenated six-membered ring of the carbazole unit adopts a half-chair conformation and the dioxolane ring points to one side of the carbazole plane.
doaj   +1 more source

Role of the Recombination Zone in Organic Light‐Emitting Devices

Advanced Materials, EarlyView.
This review summarizes the critical role of the recombination zone in organic light‐emitting diodes (OLEDs). We highlight that broadening the recombination zone in OLEDs based on emissive layers with balanced charge transport and high photoluminescence quantum yields provides a promising route toward achieving both long operational lifetime and high ...
Yungui Li, Karl Leo
wiley   +1 more source

9-Ethyl-N-(3-nitrobenzylidene)-9H-carbazol-3-amine

Acta Crystallographica Section E, 2011
The title compound, C21H17N3O2, crystallizes with two molecules in the asymmetric unit. The carbazole groups show relatively small deviations from planarity [maximum displacements from the mean carbazole plane are 0.077 (7) and 0.101 (
R. Archana, E. Yamuna, K. J. Rajendra Prasad, A. Thiruvalluvar, R. J. Butcher   +4 more
doaj   +1 more source

Fluorescent Bis-Calix[4]arene-Carbazole Conjugates: Synthesis and Inclusion Complexation Studies with Fullerenes C₆₀ and C₇₀

Molecules, 2021
Supramolecular chemistry has become a central theme in chemical and biological sciences over the last decades. Supramolecular structures are being increasingly used in biomedical applications, particularly in devices requiring specific stimuli ...
Patrícia D. Barata, Alexandra I. Costa, Sérgio Costa, José V. Prata   +3 more
doaj   +1 more source

Self‐Assembled Monolayers in p–i–n Perovskite Solar Cells: Molecular Design, Interfacial Engineering, and Machine Learning–Accelerated Material Discovery

Advanced Materials, EarlyView.
This review highlights the role of self‐assembled monolayers (SAMs) in perovskite solar cells, covering molecular engineering, multifunctional interface regulation, machine learning (ML) accelerated discovery, advanced device architectures, and pathways toward scalable fabrication and commercialization for high‐efficiency and stable single‐junction and
Asmat Ullah, Ying Luo, Stefaan De Wolf
wiley   +1 more source

Chiral Metal Halide Perovskites for Spin‐Polarized Light‐Emitting Diodes

Advanced Materials, EarlyView.
Chiral metal–halide perovskites offer a route to circularly polarized light without external polarizers. This Perspective compares two spin‐light emitting diode concepts: intrinsically chiral emissive layers and chiral spin‐filter interlayers that inject spin‐polarized carriers into efficient achiral emitters.
Ashish Gaurav, Jihyun Kim, Nadesh Fiuza‐Maneiro, Hongki Kim, Hae‐Jun Seok, Sergio Gómez Grana, Robert L. Z. Hoye, Lakshminarayana Polavarapu, Matthew J. Fuchter   +8 more
wiley   +1 more source

Diverse pharmacological actions of potential carbazole derivatives by influencing various pathways of molecular signaling

Future Journal of Pharmaceutical Sciences
Background Carbazoles are an important class of heterocyclic aromatic compounds that contain nitrogen atom in the ring. They have a large-conjugated system, attractive “electrical and charge-transport properties”, and the ability to efficiently ...
Archita Tiwari, Bharat Mishra
doaj   +1 more source