Results 61 to 70 of about 30,449 (185)

Crystal structure of 3-{1′-[3,5-bis(trifluoromethyl)phenyl]ferrocenyl}-4-bromothiophene

Acta Crystallographica Section E, 2014
The molecular structure of the title compound, [Fe(C9H6BrS)(C13H7F6)], consists of a ferrocene backbone with a bis(trifluoromethyl)phenyl group at one cyclopentadienyl ring and a thiophene heterocycle at the other cyclopentadienyl ring.
Elisabeth A. Poppitz, Marcus Korb, Heinrich Lang   +2 more
doaj   +1 more source

Synthesis and Electronic Properties of Alternating α,α‘-Thiophene-Phosphole Oligomers

, 2016
Alternating thiophene-phosphole oligomers up to seven rings in length have been synthesized. A regular decrease of the HOMO−LUMO gap is observed upon increasing the length of the π-conjugated system.
Joëlle Rault-Berthelot (2455918), Caroline Hay (3067509), Régis Réau (2653771), Claire Fave (1965325), Muriel Hissler (1902694)   +4 more
core   +1 more source

Organic Materials of Tomorrow: Horizons of Artificial Intelligence

Advanced Materials, EarlyView.
This review examines machine learning techniques accelerating the discovery of organic semiconductors by linking molecular structure to properties. Key methods include graph neural networks, generative models, and active learning. Applications to organic photovoltaics demonstrate practical impact.
Harold Mena, J. Terence Blaskovits, Kun‐Han Lin, Denis Andrienko   +3 more
wiley   +1 more source

All-Thiophene-Based Double Helix: Synthesis, Crystal Structure, Chiroptical Property and Arylation

, 2018
The all-thiophene-based double helix DH-1 was designed and prepared originally from the selective deprotonation of cyclooctatetrathiophene (tetra­[3,4]­thienylene, COTh) and following the Negishi coupling reaction with 3,3′-bithiophene.
Zhiying Ma (434380), Chunli Li (1490125), Zhiying Ma, Sheng Zhang (111330), Hua Wang (13530), Sheng Zhang, Lu Li (14069), Lu Li, Hua Wang, Chunli Li, Bingbing Li (461702), Bingbing Li, Li Xu (108702), Li Xu   +13 more
core   +2 more sources

Precisely tuning the electronic states of organic polymer electrocatalysts via thiophene-based moieties for enhanced oxygen reduction reaction

iScience
Summary: Optimizing molecular structures in oxygen reduction reaction (ORR) is crucial for enhancing catalytic efficiency and stability, particularly with respect to the effective adsorption and conversion of reaction intermediates.
Dongye Li, Binbin Wang, Kunpeng Zheng, Hongni Chen, Yali Xing, Yanzhi Xia, Xiaojing Long   +6 more
doaj   +1 more source

Crystal structures of two new carbazole derivatives: 12-(4-nitrophenyl)-7-phenylsulfonyl-7H-benzofuro[2,3-b]carbazole and 2-methyl-4-(4-nitrophenyl)-9-phenylsulfonyl-9H-thieno[2,3-b]carbazole

Acta Crystallographica Section E: Crystallographic Communications, 2016
The title compounds, C30H18N2O5S, (I), and C27H18N2O4S2, (II), are carbazole derivatives with a phenylsulfonyl group and a nitrophenyl group attached to the carbazole moiety in identical positions in both molecules.
K. Swaminathan, P. Narayanan, K. Sethusankar, Velu Saravanan, Arasambattu K. Mohanakrishnan   +4 more
doaj   +1 more source

Reversible Oxidative-Addition and Reductive-Elimination of Thiophene from a Titanium Complex and Its Thermally-Induced Hydrodesulfurization Chemistry [PDF]

, 2019
The masked Ti(II) synthon (Ketguan)(η6-ImDippN)Ti (1) oxidatively adds across thiophene to give ring-opened (Ketguan)(ImDippN)Ti[κ2-S(CH)3CH] (2). Complex 2 is photosensitive, and upon exposure to light, reductively eliminates thiophene to regenerate
Skye, Fortier, Alejandra, Gomez-Torres, Alejandro J., Metta-Magaña, J. Rolando, Aguilar-Calderón, Balazs, Pinter, Aldo, Jordan, Carlos, Saucedo   +6 more
core   +2 more sources

Trions as Fundamental Species in Chemically Doped Polymer Semiconductors

Advanced Materials, EarlyView.
This work shows that exciton–charge carrier coupling in doped polymer semiconductors gives rise to multi‐particle states, including trions—quasiparticles consisting of two holes and one electron under p‐doping—and bound exciton‐hole pairs, as identified through spectroscopic and theoretical analysis.
Hongmo Li, Henry J. Kantrow, David A. Valverde‐Chávez, Meghan McNeil, Arianna Magni, Mohammad Balooch Qarai, Jude Kpare, Jaden Cramlet, Qiao He, Félix Thouin, Zhihao Feng, Yadong Zhang, Andrew Comstock, Stephen Barlow, Jason Azoulay, Seung Soon Jang, Renaud Demadrille, Martin Heeney, Seth Marder, Nicholas J. Hestand, Alberto Salleo, Frank C. Spano, Carlos Silva‐Acuña, Natalie Stingelin   +23 more
wiley   +1 more source

Crystal structures of (5RS)-(Z)-4-[5-(furan-2-yl)-3-phenyl-4,5-dihydro-1H-pyrazol-1-yl]-4-oxobut-2-enoic acid and (5RS)-(Z)-4-[5-(furan-2-yl)-3-(thiophen-2-yl)-4,5-dihydro-1H-pyrazol-1-yl]-4-oxobut-2-enoic acid

Acta Crystallographica Section E: Crystallographic Communications, 2016
The title compounds, C17H14N2O4 (I) and C15H12N2O4S (II), possess very similar molecular geometries. In both molecules, the central 1,3,5-trisubstituted dihydropyrazole ring adopts an envelope conformation.
Kseniya K. Borisova, Flavien A. A. Toze, Nniyaz Z. Yagafarov, Fedor I. Zubkov, Pavel V. Dorovatovskii, Yan V. Zubavichus, Victor N. Khrustalev   +6 more
doaj   +1 more source

Diketopyrrolopyrrole‐Based Cation as a Semiconducting Spacer in Layered Perovskite

Advanced Materials, EarlyView.
Diketopyrrolopyrrole cation incorporated layered perovskites exhibiting extended absorption profiles and enhanced charge carrier mobility with type‐II energy alignment. The improved photoconversion efficiency demonstrates the critical role of incorporating organic semiconductors in optimizing layered perovskite performance.
Waygen Thor, Colin Jeanguenat, Louise De Cian, Demetra Tsokkou, Parnian Ferdowsi, Nicolas J. Diercks, Natalie Banerji, Jun‐Ho Yum, Kevin Sivula   +8 more
wiley   +1 more source