Results 61 to 70 of about 26,379 (326)
Advanced Science, EarlyView.This study reports the design of quinoxaline‐based electron acceptors with tailored methyl and halogen substitutions to modulate reorganization energy (λ) and enhance charge transport. we demonstrated that methylation effectively reduces λ, leading to minimized energy losses and improved device performance.
Li Chen +11 more
wiley +1 more source
Quinoxaline chemistry. Part 8. 2-[anilino]-3- [carboxy]-6(7)-substituted quinoxalines as non classical antifolate agents. Synthesis and evaluation of in vitro anticancer, anti-HIV and antifungal activity [PDF]
, 1997 Thirty quinoxalines bearing a substituted anilino group on position 2, a carboethoxy or carboxy group on position 3 and a trifluoromethyl group on position 6 or 7 of the heterocycle were prepared in order to evaluate in vitro anticancer activity ...
Loriga, Mario +3 more
core
Studies in Benzimidazo Thiazolo Quinoxalines and Benzimidazo Thiazino Quinoxalines
, 1970 Benzimidazo (2', 1': 2, 3) thiazolo (4, 5-b) quinoxalines and 7H-benzimidazo (1', 2': 4, 5) (1 : 4) thiazino (2, 3-b) quinoxalines have been synthesised by the condensations of 2-mercapto benzimidazoles with 2 : 3-dichloro quinoxalines and 2-(mercaptomethyl) benzimidazole with 2 : 3-dichloro quinoxalines respectively.
Simran Singh +2 more
openaire +1 more source
Mobility‐Lifetime Products in Organic Infrared Photodiodes with Peak Absorption at 1550 nm
Advanced Electronic Materials, EarlyView.This study analyzes the mobility‐lifetime products in organic infrared photodiodes with different donor‐to‐acceptor ratios to examine charge collection performance. Abstract Infrared photodiodes based on organic semiconductors are promising for low‐cost sensors that operate at room temperature. However, their realization remains hampered by poor device
Bogyeom Seo +7 more
wiley +1 more source
the very different redox behaviour of isoelectronic complexes with [PtCl2] and [AuCl2]+ [PDF]
, 2011 The new, potentially ambidentate heterocyclic ligand 2,3-bis(1-methylimidazol-2-yl)quinoxaline (bmiq) was obtained from 2,3-bis(1-methylimidazol-2-yl)glyoxal and 1,2-diaminobenzene.
Bulak, Ece +6 more
core +1 more source
Advanced Energy Materials, EarlyView.A combination of morphological, electrical, and spectroscopy techniques is used to evaluate the degradation mechanisms of non‐fullerene (NFA)‐based organic photovoltaics (OPVs). Blends based on Y12 are more stable than Y6, aspeciallyOPVs from FO6‐T:Y12 demonstrated superior stability with an extrapolated T80 of over 2000 hours under maximum power point
Eva Mazzolini +14 more
wiley +1 more source
Microwave assisted synthesis of quinoxaline derivatives
Results in Chemistry, 2023 Substituted quinoxalines are known building blocks for compounds with pharmacological, agricultural, and material uses. Forming carbon-heteroatom bonds at the 2,3-positions on quinoxaline can be challenging. 2,3-chloroquinoxaline can undergo nucleophilic
Lucas K. Beagle +3 more
doaj
Quinoxaline and its Monohydrate [PDF]
Nature, 1946 ALTHOUGH quinoxaline, C8H6N2, was synthesized in 18841,2, and has been mentioned in the literature1–13 several times since that date, it is rather surprising that the existence of quinoxaline monohydrate has not been noticed, the more so since several physico-chemical determinations have been carried out with quinoxaline ; namely, vapour density in ...
openaire +2 more sources
Asian Journal of Organic Chemistry, EarlyView.Compact N,N‐diphenylaminophenyl–quinoxaline donor–acceptor‐type dyes were synthesized, and the effects of substituents on the fluorescence properties were investigated. Introduction of electron‐withdrawing groups to the quinoxaline acceptor caused a red shift of the emission, and furthermore, thermally activated delayed fluorescence was facilitated by ...
Masaki Nagaoka +6 more
wiley +1 more source
Simplified Kinetics and Colour Formation in Sucrose Solutions Based on A-Dicarbonyl Compounds [PDF]
, 2007 Dieser Beitrag ist mit Zustimmung des Rechteinhabers aufgrund einer (DFG geförderten) Allianz- bzw. Nationallizenz frei zugänglich.This publication is with permission of the rights owner freely accessible due to an Alliance licence and a national licence
Fiedler, Thorsten +3 more
core +1 more source