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Browsing by Author "Konkin A."

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Combined EPR and DFT study of the copper(II) complexes with N-phosphoryl thioureas

Garipov R.; Shtyrlin V.; Safin D.; Zyavkina Y.; Sokolov F.; Konkin A.; Aganov A.; Zakharov A. (2006)

Copper(II) bis-complexes with N-phosphoryl thioureas, RN′HC(S)NP(O) (OPri)2- {R = phenyl (I), cyclohexyl (II)}, have been obtained and investigated in liquid and frozen toluene solutions. Equilibria between trans-S,N and ...
Degradation processes in the cellulose/N-methylmorpholine-N-oxide system studied by HPLC and ESR. Radical formation/recombination kinetics under UV photolysis at 77 K

Konkin A.; Wendler F.; Meister F.; Roth H.; Aganov A.; Ambacher O. (2007)

Degradation processes of N-methylmorpholine-N-oxide monohydrate (NMMO), cellulose and cellulose/NMMO solutions were studied by high performance liquid chromatography (HPLC) and electron spin resonance (ESR) spectroscopy. ...
Electron spin resonance study of radicals generated in cellulose/N- methylmorpholine solutions after flash photolysis at 77 K

Konkin A.; Wendler F.; Roth H.; Schroedner M.; Bauer R.; Meister F.; Heinze T.; Aganov A.; Garipov R. (2006)

The processes of radical formation in N-methylmorpholine-N-oxide monohydrate (NMMO) and cellulose/NMMO solutions were studied by ESR at 77 K under high-power UV (λ = 248 nm) excimer laser flash photolysis. Radicals mainly ...
ESR and LESR X-band study of morphology and charge carrier interaction in blended P3HT-SWCNT and P3HT-PCBM-SWCNT solid thin films

Konkin A.; Bounioux C.; Ritter U.; Scharff P.; Katz E.; Aganov A.; Gobsch G.; Hoppe H.; Ecke G.; Roth H. (2011)

An electron spin resonance (ESR) X-band study of regio-regular poly(3-hexylthiophene) (RR-P3HT) and RR-P3HT/PCBM ([6,6]-phenyl-C 61-butyric acid methyl ester) composites blended with a low concentration (∼0.1-1%) of single ...
Improvement of P3HT-ICBA solar cell photovoltaic characteristics due to the incorporation of the maleic anhydride additive: P3HT morphology study of P3HT-ICBA and P3HT-ICBA-MA films by means of X-band LESR

Konkin A.; Ritter U.; Scharff P.; Schrödner M.; Sensfuss S.; Aganov A.; Klochkov V.; Ecke G. (2014)

© 2014 Published by Elsevier B.V. A light-induced electron spin resonance (LESR) X-band study of poly(3-hexylthiophene)/indene-C60 bisadduct P3HT/ICBA flexible solid films containing the additive maleic anhydride (MA) is ...
K-band ESR studies of structural anisotropy in P3HT and P3HT/PCBM blend polymer solid films: Paramagnetic defects after continuous wave Xe-lamp photolysis

Konkin A.; Roth H.; Scharff P.; Aganov A.; Ambacher O.; Sensfuss S. (2009)

K-band electron spin resonance (ESR) technique was employed to study films of regioregular poly(3-hexylthiophene) (P3HT) and P3HT/PCBM ([6,6]-phenyl- C61-butyric acid methyl ester) blends to estimate their structural ...
Light-induced X,W-band Electron Spin Resonance study of double-crystalline donor-acceptor P3HT-b-PPerAcr block copolymers in solid thin films

Konkin A.; Singh C.; Orlinskii S.; Mamin G.; Aganov A.; Lohwasser R.; Ritter U.; Scharff P.; Thelakkat M.; Hoppe H. (2016)

© 2016 Elsevier B.V. All rights reserved.Light-induced X,W-band Electron Spin Resonance (LESR) study of double-crystalline donor-acceptor block copolymers (BCPs) comprised of poly-3-hexylthiophene as the donor and poly-perylene ...
Multifrequency EPR study of charge transfer in poly(3-alkylthiophenes)

Krinichnyi V.; Roth H.; Konkin A. (2004)

The results of an investigation at different (10-140 GHz) wavebands EPR of magnetic, relaxation and dynamics parameters of mobile paramagnetic charge carriers (polarons) in low-dimensional solid-state poly(3-alkylthiophenes) ...
Multifrequency EPR study of charge transport in doped polyaniline

Krinichnyi V.; Konkin A.; Devasagayam P.; Monkman A. (2001)

Polyaniline highly doped with acrylamido-2-methyl-1-propanesulphonic (PANI-AMPSA) and camphorsulfonic (PANI-CSA) acids have been studied at X- (9.50 GHz) and K- (37.5 GHz) bands EPR. Localized Curie-like and mobile Pauli-like ...
Multifrequency X,W-band ESR study on photo-induced ion radical formation in solid films of mono- and di-fullerenes embedded in conjugated polymers

Konkin A.; Ritter U.; Scharff P.; Mamin G.; Aganov A.; Orlinskii S.; Krinichnyi V.; Egbe D.; Ecke G.; Romanus H. (2014)

Anion-cation radical formation in solid films of M3EH-PPV blended with C60-PCBM, C120-O-PCBM and C60-MDHE, C 120-O-MDHE under diode laser (532 nm) and Xe-lamp light excitation studied by means of X,W-band at temperatures ...
N-Methylmorpholine-N-oxide ring cleavage registration by ESR under heating conditions of the Lyocell process

Konkin A.; Wendler F.; Meister F.; Roth H.; Aganov A.; Ambacher O. (2008)

Thermal cleavage processes of N-methylmorpholine-N-oxide monohydrate (NMMO) were observed in pure NMMO as well as in cellulose/NMMO solutions by ESR at temperatures of the industrial Lyocell process (∼370 K). Generated ...
Photo-induced charge separation process in (PCBM-C120O)/(M3EH-PPV) blend solid film studied by means of X and K-bands ESR at 77 and 120 K

Konkin A.; Ritter U.; Scharff P.; Roth H.; Aganov A.; Sariciftci N.; Egbe D. (2010)

The new fullerene dimer adduct PCBM-C120O was studied as an electron acceptor by light-induced ESR (LESR) when blended with the electron donor-conjugated polymer M3EH-PPV in a thin solid film. ESR parameters for the ...
Photo-Induced Electron Transfer in P3DDT, P3OT, M3EH-PPV Conjugated Polymers Blended with Maleic Anhydride in THF Solution Under UV Flash Photolysis Studied by Means of CW TR ESR

Konkin A.; Aganov A.; Roth H.; Ritter U.; Scharff P.; Egbe D. (2011)

Free-radical signals of positive polarons in conjugated polymer chains and maleic anhydride (MA) anion radicals were registered in poly(3-octylthiophene) P3OT:MA and (poly[2,5-dimethoxy-1,4-phenylene-1,2-ethenylene-2-met ...
The C-H bond activation in 1-ethyl-3-methylimidazolium acetate-copper(ii) acetate-water-air (dioxygen) systems

Shtyrlin V.; Serov N.; Islamov D.; Konkin A.; Bukharov M.; Gnezdilov O.; Krivolapov D.; Kataeva O.; Nazmutdinova G.; Wendler F. (2014)

Ionic liquid (1-ethyl-3-methylimidazolium acetate, [C2C 1im][AcO])-copper(ii) diacetate monohydrate-water-air (O2) systems have been investigated by 13C NMR, EPR, spectrophotometry, HPLC, and synthetic chemistry methods ...
Time-resolved EPR study of radicals from 2,2-dimethoxy-2-phenylacetophenone in ethylene glycol after flash photolysis

Konkin A.; Roth H.; Schroedner M.; Nazmutdinova G.; Aganov A.; Ida T.; Garipov R. (2003)

The dynamic behaviour of transient free radicals generated by laser pulse photolysis (with λ = 351 nm) of 2,2-dimethoxy-2-phenylacetophenone (DMPA) in ethylene glycol solutions have been studied by time-resolved EPR at ...
Time-resolved ESR studies on transient radicals photogenerated in solutions of melamine in ethylene glycol

Konkin A.; Roth H.; Schroedner M.; Shtyrlin V.; Garipov R.; Ida T.; Raetzsch M.; Aganov A.; Nazmutdinova G. (2006)

Chemically Induced Dynamic Electron Polarization (CIDEP) spectra of transient radicals generated by laser pulse with λ = 248 nm in solutions of melamine in ethylene glycol have been studied by means of time-resolved (TR) ...
TRESR study of the photo-induced electron transfer in P3DDT/maleic anhydride blend in THF solution under UV flash photolysis

Konkin A.; Sensfuss S.; Roth H.; Scharff P.; Ambacher O.; Aganov A.; Schroedner M. (2008)

Photo-induced electron transfer (PET) between a poly(3-dodecylthiophene) (P3DDT) and maleic anhydride (MA) in their blend in liquid solution of tetrahydrofuran was observed by the time-resolved electron spin resonance ...
W-Band ENDOR of Light-Induced PPerAcr Anion Radicals in Double-Crystalline Donor-Bridge-Acceptor P3HT- b -PPerAcr Block Copolymer in Frozen Solution: Experimental and DFT Study

Konkin A.; Ritter U.; Mamin G.; Orlinskii S.; Gafurov M.; Aganov A.; Klochkov V.; Lohwasser R.; Thelakkat M.; Hoppe H.; Scharff P. (2018)

© 2018 American Chemical Society. Light-induced W-band electron nuclear double resonance and density functional theory of a spin density distribution study of poly-perylene bisimide acrylate (PPerAcr) anion radicals in ...

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Browsing by Author "Konkin A."

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