Results 51 to 60 of about 51,140 (296)
SYNTHESIS AND CHARACTERIZATION OF SUBSTITUTED GROUP CONTROLLED PYRENE DERIVATIVES WITH RADICAL CATIONS [PDF]
Química NovaTwo novel alkyl thiophene-modified pyrene derivatives (1)-(2) were created and synthesized using palladium-catalyzed Stille coupling processes and Friedel-Crafts reaction of pyrene.
Shunjie Li, Jian Chen
doaj +1 more source
5-Nitro-2,3-bis(thiophen-2-yl)quinoxaline
IUCrData, 2020 The title compound, C16H9N3O2S2, was synthesized via a condensation reaction in refluxing acetic acid. The dihedral angles between the mean plane of the quinoxaline unit and the thienyl rings are 35.16 (5)° and 24.94 (3)°.
Jorge F. de Freitas +3 more
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Advanced Materials, EarlyView.Metal‐free carbon catalysts enable the sustainable synthesis of hydrogen peroxide via two‐electron oxygen reduction; however, active site complexity continues to hinder reliable interpretation. This review critiques correlation‐based approaches and highlights the importance of orthogonal experimental designs, standardized catalyst passports ...
Dayu Zhu +3 more
wiley +1 more source
Iraqi Journal of Chemical and Petroleum Engineering, 2017 In the present study, activated carbon supported metal oxides was prepared for thiophene removal from model fuel (Thiophene in n-hexane) using adsorptive desulfurization technique.
Saad H. Ammar, Sama Ali Jaafar
doaj
A Heteroaromatically Functionalized Hexamolybdate
Inorganics, 2015 A new heteroaromatic thiophene containing organoimido functionalized hexamolybdate has been synthesized and characterized in both solid form and solution.
Merinda R. Healey +3 more
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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) +4 more
core +1 more source
Single‐Chromophore Homojunction Organic Solar Cells: A Path to Simplicity and Efficiency
Advanced Materials, EarlyView.This perspective discusses how the intrinsic optoelectronic properties of organic semiconductors, their molecular packing in the solid‐state, and internal energetic gradients within a device can enable free‐charge carrier generation in homojunction organic solar cells.
Shaun McAnally +2 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) +13 more
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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 +2 more
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Advanced Materials, EarlyView.Solvent‐mediated reactivity control of Lewis‐paired dopants enables highly efficient, finely tunable, and stable doping of organic semiconductors. The optimally doped semiconductor films exhibit superior thermoelectric performance and doping stability, feature delocalized polarons along structurally ordered polymer backbones, and outperform ...
Sang Beom Kim +5 more
wiley +1 more source