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• Effect of substituting Fe and Ru for Ni on the thermopower of MgCNi3

  Publication

  • C. Sułkowski
  • T. Klimczuk
  • R. J. Cava
  • K. Rogacki

  - PHYSICAL REVIEW B - Year 2007

  Dyskutowany jest wpływ domieszkowania żelaza i rutenu w pozycje niklu w międzymetalicznym związku nadprzewodzącym MgCNi3, na wartość termosiły. Pomiar S(T) wskazuje, że nośnikami ładunków elektrycznych w MgCNi3 są elektrony, a domieszkowanie (Ru, Fe) wprowadza nośniki dziurowe. Nie stwierdzono wpływu momentu magnetycznego atomów Fe na wartość termosiły.

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• Synthesis, structure and physical properties of Ru ferrites: BaMRu5O11 (M= Li and Cu) and BaM'2Ru4O11 (M'=Mn, Fe and Co)

  Publication

  • M. L. Foo
  • Q. Huang
  • J. Lynn
  • W. Lee
  • T. Klimczuk
  • I. Hagemann
  • N. Ong
  • R. J. Cava

  - JOURNAL OF SOLID STATE CHEMISTRY - Year 2006

  W pracy opisano syntezę, strukturę i właściwości fizyczne pięciu nowych związków z rodziny ferrytów na bazie Ru, których wzór chemiczny jest BaMRu5O11 (M = Li, Cu) i BaM'2Ru4O11 (M' = Mn, Fe, Co).

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• Superconductivity in the Nb-Ru-Ge σ phase

  Publication

  • E. M. Carnicom
  • W. Xie
  • Z. Ryżyńska
  • T. Kong
  • T. Klimczuk
  • R. Cava

  - Physical Review Materials - Year 2017

  We show that the previously unreported ternary σ-phase material Nb20.4Ru5.7Ge3.9 (Nb0.68Ru0.19Ge0.13) is a superconductor with a critical temperature of 2.2 K. Temperature-dependent magnetic susceptibility, resistance, and specific-heat measurements were used to characterize the superconducting transition. The Sommerfeld constant γ for Nb20.4Ru5.7Ge3.9 is 91 mJ mol f.u. −1K−2 (∼3 mJ mol atom−1 K−2) and the specific-heat anomaly at...

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• Rosyjskaja Federacja w gasudarstwennych strategijach bezopastnosti Armenii,Gruzji, i Azerbejdżanu

  Publication

  • K. Gomółka

  - Историческая и социально-образовательная мысль - Year 2017

  На втором десятилетии после получения независимости Грузия, Армения и Азербайджан создали стратегии национальной безопасности. В документах трех государств были показаны угрозы безопасности: опасение за суверенитет и независимость государств, угроза этнических конфликтов, развитие контрабанды и организованной преступности, экономическая зависимость, а также ухудшение состояния окружающей среды. Проводимая государствами внешняя...

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• The effect of Ru substitution for Ni on the superconductivity in MgCNi_(3-x)Ru_x

  Publication

  • T. Klimczuk
  • V. Gupta
  • G. Lawes
  • A. Ramirez
  • R. J. Cava

  - Year 2004

  W pracy prezentowane są pomiary podatności magnetycznej i ciepła właściwego domieszkowanego nadprzewodnika MgCNi_(3-x)Ru_x. Wraz ze wzrostem koncetracji Ru współczynnik Sommerfelda, jak również temperatura krytyczna (T_c) maleją, co stoi w sprzeczności z teoretycznymi oczekiwaniami.

• Influence of Protonation State on the Excited State Dynamics of a Photobiologically Active Ru(II) Dyad

  Publication

  • C. Reichardt
  • T. Sainuddin
  • M. WäCHTLER
  • S. Monro
  • S. Kupfer
  • J. Guthmuller
  • S. Gräfe
  • S. A. Mcfarland
  • B. Dietzek

  - JOURNAL OF PHYSICAL CHEMISTRY A - Year 2016

  The influence of ligand protonation on the photophysics of a ruthenium (Ru) dyad bearing the 2-(1-pyrenyl)-1H-imidazo[4,5-f][1,10]-phenanthroline (ippy) ligand was investigated by time-resolved transient absorption spectroscopy. It was found that changes in the protonation state of the imidazole group led to changes in the electronic configuration of the lowest lying excited state. Formation of the fully deprotonated imidazole...

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• Novel decahedral TiO2 photocatalysts modified with Ru or Rh NPs: Insight into the mechanism

  Publication

  • E. Grabowska
  • M. Diak
  • T. Klimczuk
  • W. Lisowski
  • A. Zaleska-Medynska

  - Molecular Catalysis - Year 2017

  Novel decahedral TiO2 modified with Ru or Rh NPs were successfully synthesized by hydrothermal method. The effect of metal type as well as amount of noble metal precursor (0.05, 0.1, 0.2, 0.3 and 0.5 wt.%) on the photocatalytic activity were investigated. Decahedral TiO2 decorated by Ru and Rh nanoparticles was prepared by photodeposition method, whereas Rh doped TiO2 was obtained by onestep hydrothermal method with introduction...

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• The effect of Fe and Ru substitution on the superconductivity in MgCNi_3

  Publication

  • T. Klimczuk
  • R. J. Cava

  - Year 2004

  Dyskutowany jest efekt częściowego podstawienia żelazem (3d) i rutenem (4d) w miejsce niklu w intermetalicznym nadprzewodniku MgCNi3. Temperatura krytyczna w obu przypadkach obniża się monotonicznie wraz ze wzrostem koncentracji domieszki. Jednakże bardziej gwałtowny zanik T_c w przypadku MgCNi_(3-x)Fe_x sugeruje, że elektrony 3d żelaza rozrywają nadprzewodzące pary Coopera.

• The effect of Fe and Ru substitution on the superconductivity in MgCNi3

  Publication

  • T. Klimczuk
  • R. Cava
  • T. Klimczuk

  - SOLID STATE COMMUNICATIONS - Year 2004

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• New σ-phases in the Nb–X–Ga and Nb–X–Al systems (X = Ru, Rh, Pd, Ir, Pt, and Au)

  Publication

  • E. M. Carnicom
  • W. Xie
  • T. Klimczuk
  • R. J. Cava

  - DALTON TRANSACTIONS - Year 2017

  Previously unreported σ-phases in the ternary niobium-based systems Nb–X–Ga for X = Ru, Rh, Pd, Ir, Pt, Au, and Nb–X–Al for X = Ir, and Pt are presented, prepared by arc-melting followed by annealing at 1000 °C for 1 week. The phases are primitive tetragonal (P42/mnm, no. 136) with lattice parameters of a = 9.8336(2)–9.9432(1) Å and c = 5.1098(1)–5.1718(1) Å. Refinements of the single crystal X-ray diffraction data for the Ru and...

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• Effect of substituting Fe and Ru for Ni on the thermopower ofMgCNi3

  Publication

  • C. Sulkowski
  • T. Klimczuk
  • R. Cava
  • K. Rogacki
  • T. Klimczuk

  - PHYSICAL REVIEW B - Year 2007

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• Effect of Ru substitution for Ni on the superconductivity inMgCNi3−xRux

  Publication

  • T. Klimczuk
  • V. Gupta
  • G. Lawes
  • A. Ramirez
  • R. Cava
  • T. Klimczuk

  - PHYSICAL REVIEW B - Year 2004

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• Photophysics of Ru(II) Dyads Derived from Pyrenyl-Substitued Imidazo[4,5-f][1,10]phenanthroline Ligands.

  Publication

  • C. Reichardt
  • M. Pinto
  • M. Wachtler
  • M. Stephenson
  • S. Kupfer
  • T. Sainuddin
  • J. Guthmuller
  • S. A. Mcfarland
  • B. Dietzek

  - JOURNAL OF PHYSICAL CHEMISTRY A - Year 2015

  The photophysics of a series of Ru(II) dyads based on the 2-(1-pyrenyl)-1H-imidazo[4,5-f][1,10]-phenanthroline ligand was investigated. The ability of these metal complexes to intercalate DNA and induce cell death upon photoactivation makes them attractive photosensitizers for a range of photobiological applications, including photodynamic therapy. In the present study, time-resolved transient absorption and emission spectroscopy...

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• Временные иммигранты из Украины во время членства Польши в ЕС

  Publication

  • K. Gomółka

  - Annales Universitatis Mariae-Curie Skłodowska, sectio K – Politologia - Year 2018

  Целью статьи являлсяподсчёт количества иммигрантов, которые прибыли в Польшуиз Украины на временное проживаниев 2004–2017 г.г., а также предоставление характеристикиих занятости. Исследовательская гипотеза статьи (чем больше было возможностей найту работув Польше, тем больше украинцев приезжало в эту страну) была проверена посредством нахождения ответов на следующие вопросы: на каких юридических основах граждане Украины могли приезжать...

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• Spectroscopic and cytotoxic characteristics of (p-cymene)Ru(II) complexes with bidentate coumarins and density functional theory comparison with selected Pd(II) complexes

  Publication

  • A. Skoczynska
  • K. Lux
  • P. Mayer
  • I. Lorenz
  • U. Krajewska
  • M. Rozalski
  • A. Dołęga
  • E. Budzisz

  - INORGANICA CHIMICA ACTA - Year 2017

  This paper presents the synthesis of two new (p-cymene)-ruthenium(II) complexes with the bidentate coumarin ligands. Both complexes were characterized by FTIR spectroscopy, 1H NMR, 13C NMR, MS, elemental analysis and DFT calculations. The X-ray structure of complex 3a was also solved. The cytotoxic properties of both complexes were examined on human leukemia NALM-6 and HL-60 cells and melanoma WM-115 cells. The complexes possess...

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• TiO2 /SrTiO3 and SrTiO3 microspheres decorated with Rh, Ru or Pt nanoparticles: Highly UV–vis responsible photoactivity and mechanism

  Publication

  • E. Grabowska
  • M. Marchelek
  • T. Klimczuk
  • W. Lisowski
  • A. Zaleska-Medynska

  - JOURNAL OF CATALYSIS - Year 2017

  A series of TiO2/SrTiO3 and SrTiO3 microspheres decorated by Rh, Ru or Pt NPs were prepared by facile hydrothermal method. The as-prepared samples were characterized by X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), transmission electron microscopy (TEM) with energy-dispersive Xray (EDX) spectroscopy, scanning electron microscopy (SEM), photoluminescence spectrometry (PL), Fourier transform infrared (FT-IR) and...

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• Ru/Al2O3 on Polymer-Derived SiC Foams as Structured Catalysts for CO2 Methanation

  Publication

  • E. Cepollaro
  • S. Cimino
  • L. Lisi
  • M. Biesuz
  • B. Santhosh
  • G. Sorarù

  - Catalysts - Year 2022

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• Redox State Sensitive Spectroscopy of the Model Compound [(H-dcbpy)(2)Ru-II(NCS)(2)](2-) (dcbpy=2,2 '-Bipyridine-4,4 '-dicarboxylato)

  Publication

  • L. Zedler
  • J. Guthmuller
  • I. Rabelo de Moraes
  • S. Krieck
  • M. Schmitt
  • J. Popp
  • B. Dietzek

  - Journal of Physical Chemistry C - Year 2013

  The charge transfer reaction mechanism in a ruthenium polypyridine model complex with isothiocyanato ligands, i.e., [(H-dcbpy)(2)Ru(NCS)(2)](2-) 2Bu(4)N(+) (Ru2H) (dcbpy = 2,2'-bipyridine-4,4'-dicarboxylato), has been investigated by combining UV-vis absorption, resonance Raman spectroscopy, and electrochemical methods. Understanding the photophysics of light-harvesting complexes of this class is an indispensable prerequisite to...

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• A Novel Ru(II) Polypyridine Black Dye Investigated by Resonance Raman Spectroscopy and TDDFT Calculations

  Publication

  • J. Guthmuller
  • S. Kupfer
  • M. Wachtler
  • J. Popp
  • B. Dietzek
  • L. Gonzalez

  - Journal of Physical Chemistry C - Year 2012

  The optical properties of a new(bipyridine)2Ru(4H-imidazole) complex presenting a remarkablebroad absorption in the visible range are investigated. Thestrong overlap of the absorption with the solar radiationspectrum renders the studied complex promising as a blackabsorber and hence as a starting structure for applications inthe field of dye-sensitized solar cells. The correlations betweenstructural and electronic features for...

• Imigranty z Biełarusi wriemienno przebywajuszcze w Polsce

  Publication

  • K. Gomółka

  - Историческая и социально-образовательная мысль - Year 2017

  Приезды граждан Республики Беларусь в Польшу стали возможными благодаря подписанию соответствующих международных договоров, а также билатеральных соглашений, заключенных между Польшей и Беларусью. Белорусские иммигранты были одной из наиболее многочисленных групп граждан из стран бывшего СССР в Польше после украинцев. Согласно данным Главного статистического управления, можно выделить следующие группы иммигрантов, временно...

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• Synthesis, structure and physical properties of Ru ferrites: BaMRu5O11 (M=Li and Cu) and BaM′2Ru4O11 (M′=Mn, Fe and Co)

  Publication

  • M. Foo
  • Q. Huang
  • J. Lynn
  • W. Lee
  • T. Klimczuk
  • I. Hagemann
  • N. Ong
  • R. Cava

  - JOURNAL OF SOLID STATE CHEMISTRY - Year 2006

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• π-Stacking attraction vs. electrostatic repulsion: competing supramolecular interactions in a tpphz-bridged Ru(ii)/Au(iii) complex

  Publication

  • D. Sorsche
  • M. Schaub
  • F. Heinemann
  • J. Habermehl
  • S. Kuhri
  • D. Guldi
  • J. Guthmuller
  • S. Rau

  - DALTON TRANSACTIONS - Year 2016

  The synthesis and characterization of a mixed metal ruthenium(II)/gold(III) complex bridged by tetrapyridophenazine (tpphz) are described. It is isostructural and isoelectronic to the well-known photocatalysts with palladium(II) or platinum(II). Concentration dependent 1H-NMR spectroscopy and XRD studies show that the electrostatic repulsion between the gold(III) moieties exceeds the attractive π-stacking interaction. Theoretical...

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• ОПРЕДЕЛЕНИЕ КОЭФФИЦИЕНТА ТРЕНИЯ ПОКРЫТИЙ НА ОСНОВЕ НИТРИДА МОЛИБДЕНА МЕТОДОМ ОСЦИЛЛИРУЮЩЕЙ МИКРОТРИБОМЕТРИИ

  Publication

  • T. Kuznetsova
  • M. H. Ghaemi
  • A. Abetkovskaya
  • S. Chizhik
  • T. Zubar
  • B. Warcholiński
  • A. Gilewich
  • A. Milewska
  • O. Łupicka

  - Year 2016

  Методом осциллирующей микротрибометрии на базе атомно-силавой микроскопии (АСМ) выполнены измерения коэффициента трения износостойких цокрытий на основе нитрида молибдена: Mo2N и системыMo(C)N, осажденных на стальную подложку. Получены значения коэффициента трения для серии покрытий нитрида молибдена, а также серии покрытий нитрида молибдена с добавлением углерода. Содержание в покрытии нитрида молибдена 7% углерода приводит к...

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• IMMIGRANTY IZ STRAN BYVSHEGO SSSR I POL'SKIY GOSUDARSTVENNYY INTERES

  Publication

  • K. Gomółka

  - Year 2021

  Пребывание иммигрантов из государств бывшего СССР в Польше регулируется положениями международного, европейского и национального права. Соотношение между въехавшими в Польшу на постоянное место жительства и выехавшими из нее в 2004- 2015 гг. было отрицательным, только в 2016 г. в Польшу прибыло больше мигрантов, чем уехало из нее. В 2004 г. иммигранты из государств бывшего СССР составляли 61% общего количества иммигрантов, въехавших...

• Survey on fuzzy logic methods in control systems of electromechanical plants

  Publication

  • R. Strzelecki
  • G. Demidova
  • D. Lukichev
  • N. Polyakov
  • A. Abdullin
  • S. Lovlin

  - Science, Technology and Arts Research Journal - Year 2019

  Рассмотрены алгоритмы управления электромеханическими системами с использованием теории нечеткой логики, приводятся основные положения их синтеза, рассматриваются методы анализа их устойчивости на основе нечетких функций Ляпунова. Эти алгоритмы чаще всего реализуются в виде различных регуляторов, применение которых целесообразно в системах, математическая модель которых не известна, не детерминирована или является строго нелинейной,...

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• Impedance Evaluation of the Effect of Ru[sub 0.3]Ti[sub 0.7]O[sub 2] on Electrochemical Properties of Polymeric Conducting Electrodes Used in Cathodic Protection

  Publication

  • K. Darowicki
  • S. Janicki
  • K. Darowicki

  - JOURNAL OF THE ELECTROCHEMICAL SOCIETY - Year 2001

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• Model-Driven Testing of Real-Time Embedded Systems - From Object Oriented towards Function Oriented Development

  Publication

  • J. Zander
  • Z. R. Dai
  • I. Schieferdecker

  - Year 2005

  MBD

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• Temperature effect on the emission spectra of narrow band Mn4+phosphors for application in LEDs

  Publication

  • T. Lesniewski
  • S. Mahlik
  • M. Grinberg
  • R. Liu

  - PHYSICAL CHEMISTRY CHEMICAL PHYSICS - Year 2017

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• From U2TP Models to Executable Tests with TTCN-3

  Publication

  • J. Zander
  • Z. R. Dai
  • I. Schieferdecker
  • G. Din

  - Year 2005

  The approach towards system engineering according to Model-Driven Architectures (MDA) with code generation derived from model implies also an increased need for research on automation of the test generation process. This paper presents an approach to derive executable tests from UML 2.0 Testing Profile diagrams automatically. In particular, an approach to derive executable tests within the Testing and Test Control Notation (TTCN-3)...

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• Test Design Patterns for Embedded Systems,

  Publication

  • J. Zander
  • A. M. Perez
  • I. Schieferdecker
  • Z. R. Dai

  - Year 2007

  Test suites for embedded systems are typically created from scratch using dif- ferent, often inadequate methods. In consequence, industry branches dealing with software-intensive embedded systems have to cope with quality problems, even though test processes are particularly time-consuming and costly. Based on an evolving model-based testing methodology we introduce test design patterns for simplifying and accelerating...

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• Thermal quenching of Ce3+luminescence in the cuspidine-type oxide nitride compounds Y4Si2−xAlxO7+xN2−x

  Publication

  • A. Lazarowska
  • T. Lesniewski
  • S. Mahlik
  • M. Grinberg
  • R. Liu

  - Journal of Luminescence - Year 2018

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• Structural phase transitions and photoluminescence properties of oxonitridosilicate phosphors under high hydrostatic pressure

  Publication

  • A. Lazarowska
  • S. Mahlik
  • M. Grinberg
  • G. Li
  • R. Liu

  - Scientific Reports - Year 2016

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• Comparative analysis of switched reluctance motor control algorithms

  Publication

  • G. Demidova
  • Y. Derbikov
  • F. Petrikov
  • D. Lukichev
  • R. Strzelecki
  • A. Anuchin

  - Scientific and Technical Journal of Information Technologies, Mechanics and Optics - Year 2023

  Предмет исследования. Развитие микропроцессорной техники и силовой электроники позволило создавать недорогие и эффективные системы управления различными электромеханическими объектами, которые ранее широко не использовались из-за сложности управления. К таким устройствам можно отнести вентильно-индукторные электрические машины. Данные машины широко применяются в различных практических разработках, например, в тяговом электроприводе,...

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• Comparative analysis of switched reluctance motor control algorithms

  Publication

  • G. Demidova
  • Y. Derbikov
  • F. Petrikov
  • D. Lukichev
  • R. Strzelecki
  • A. Anuchin

  - Scientific and Technical Journal of Information Technologies, Mechanics and Optics - Year 2023

  Предмет исследования. Развитие микропроцессорной техники и силовой электроники позволило создавать недорогие и эффективные системы управления различными электромеханическими объектами, которые ранее широко не использовались из-за сложности управления. К таким устройствам можно отнести вентильно-индукторные электрические машины. Данные машины широко применяются в различных практических разработках, например, в тяговом электроприводе,...

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• Luminescence Spectra of β-SiAlON/Pr3+ Under High Hydrostatic Pressure

  Publication

  • S. Mahlik
  • A. Lazarowska
  • M. Grinberg
  • T. Liu
  • R. Liu

  - Journal of Physical Chemistry C - Year 2013

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• Pressure dependence of the Sr2Si5N8:Eu2+ luminescence

  Publication

  • A. Lazarowska
  • S. Mahlik
  • M. Grinberg
  • C. Yeh
  • R. Liu

  - Journal of Luminescence - Year 2015

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• New Pr3+ site in β-SiAlON red phosphor

  Publication

  • A. Lazarowska
  • S. Mahlik
  • M. Grinberg
  • T. Liu
  • R. Liu

  - OPTICAL MATERIALS - Year 2013

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• Spectroscopic properties and energy level location of Eu2+ in Sr2Si5N8 phosphor

  Publication

  • A. Lazarowska
  • S. Mahlik
  • M. Grinberg
  • C. Yeh
  • R. Liu

  - OPTICAL MATERIALS - Year 2014

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• Pressure effect on the zero-phonon line emission of Mn4+ in K2SiF6

  Publication

  • A. Lazarowska
  • S. Mahlik
  • M. Grinberg
  • C. Lin
  • R. Liu

  - JOURNAL OF CHEMICAL PHYSICS - Year 2015

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• Reactions of the Lithiated DiphosphinetBu2P-P(SiMe3)Li with [(η6-C6H6)RuCl2]2in the Presence of Tertiary Phosphines

  Publication

  • Ł. Ponikiewski
  • T. Kruczyński
  • M. Caporali
  • M. Peruzzini
  • D. Gudat
  • M. Walaszkowska
  • J. Pikies

  - EUROPEAN JOURNAL OF INORGANIC CHEMISTRY - Year 2016

  tBu2P–P(SiMe3)Li reacted with [(η6-C6H6)RuCl2]2at–40 °C in the presence of PR3(PR3=PEt3,PEt2Ph, PEtPh2) by the nucleophilic addition of the tBu2P–P(SiMe3) moiety to the benzene ring to yield solely the complexes [(R3P)2Ru(Cl)-{η5-C6H6(Me3SiP–PtBu2)}] (1). These products decomposed slowly at ambient temperature to yield benzene, Ru clusters, and small amounts of the dinuclear ruthenium complexes [{(R3P)2Ru}2(μ,η2:2-P2)2Ru(PR3)2](Ru–Ru)(6)....

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• Tuning of photocatalytic activity by creating a tridentate coordination sphere for palladium

  Publication

  • M. Pfeffer
  • L. Zedler
  • S. Kupfer
  • M. Paul
  • M. Schwalbe
  • K. Peuntinger
  • D. Guldi
  • J. Guthmuller
  • J. Popp
  • S. Gräfe... and 2 others

  - DALTON TRANSACTIONS - Year 2014

  The synthesis and characterisation of an asymmetric potential bridging ligand bmptpphz (bmptpphz = 2,17-bis(4-methoxyphenyl)tetrapyrido[3,2-a:2’,3’-c:3’’,2’’-h:2’’’,3’’’-j] phenazine) is presented. This ligand contains a 1,10-phenanthroline (phen) and a 2,9-disubstituted phen sphere and possesses a strong absorbance in the visible. Facile coordination of the phen sphere to a Ru(tbbpy)2 core leads to Ru(bmptpphz) ([(tbbpy)2Ru(bmptpphz)](PF6)2;...

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• Disentangling Red Emission and Compensatory Defects in Sr[LiAl3N4]:Ce3+ Phosphor

  Publication

  • J. Leaño
  • A. Lazarowska
  • S. Mahlik
  • M. Grinberg
  • H. Sheu
  • R. Liu

  - CHEMISTRY OF MATERIALS - Year 2018

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• Synthesis and characterization of ruthenium and rhenium dyes with phosphonate anchoring groups

  Publication

  • M. Braumüller
  • M. Schulz
  • M. Staniszewska
  • D. Sorsche
  • M. Wunderlin
  • J. Popp
  • J. Guthmuller
  • B. Dietzek
  • S. Rau

  - DALTON TRANSACTIONS - Year 2016

  Re(L1)–Re(L3), a series of rhenium(I) tricarbonyl chloride complexes with bpy-R2 derivatives L1–L3 (bpy = 2,2′-bipyridine, R represents the substitution at the 4- and 4′-positions), and their corresponding trishomoleptic Ru(L1)3–Ru(L3)3 as well as heteroleptic ruthenium(II) complexes Ru(tbbpy)2(L1) and Ru(tbbpy)2(L2) have been synthesized and characterized. Their applicability as immobilizable metal–organic chromophores in solar...

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• Improvement of the Water Resistance of a Narrow-Band Red-Emitting SrLiAl3N4:Eu2+Phosphor Synthesized under High Isostatic Pressure through Coating with an Organosilica Layer

  Publication

  • Y. Tsai
  • H. Nguyen
  • A. Lazarowska
  • S. Mahlik
  • M. Grinberg
  • R. Liu

  - ANGEWANDTE CHEMIE-INTERNATIONAL EDITION - Year 2016

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• Light‐Driven Multi‐Charge Separation in a Push‐Pull Ruthenium‐Based Photosensitizer – Assessed by RASSCF and TDDFT Simulations

  Publication

  • S. Kupfer
  • M. WäCHTLER
  • J. Guthmuller

  - ChemPhotoChem - Year 2022

  The performance of photosensitizers in the field of, for example, solar energy conversion, relies on their light-harvesting efficiency in the visible region, population of long-lived charge separated intermediates, as well as their charge-accumulation capacity amongst other properties. In this computational study, we investigate the photophysical properties of a bis(bipyridyl)ruthenium(II)-based black dye (Ru) incorporating a chromophoric...

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• Electronic States of Tris(bipyridine) Ruthenium(II) Complexes in Neat Solid Films Investigated by Electroabsorption Spectroscopy

  Publication

  • D. K. Pelczarski
  • O. Korolevych
  • B. Gierczyk
  • M. Zalas
  • M. Makowska-janusik
  • W. Stampor

  - Materials - Year 2022

  We present the electric field-induced absorption (electroabsorption, EA) spectra of the solid neat films of tris(bipyridine) Ru(II) complexes, which were recently functionalized in our group as photosensitizers in dye-sensitized solar cells, and we compare them with the results obtained for an archetypal [Ru(bpy)3]2+ ion (RBY). We argue that it is difficult to establish a unique set of molecular parameter values by discrete parametrization...

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• Thermal stabilization and energy transfer in narrow-band red-emitting Sr[(Mg2Al2)1−y(Li2Si2)yN4]:Eu2+phosphors

  Publication

  • J. Leaño
  • T. Lesniewski
  • A. Lazarowska
  • S. Mahlik
  • M. Grinberg
  • H. Sheu
  • R. Liu

  - Journal of Materials Chemistry C - Year 2018

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• Photoluminescence enhancement study in a Bi-doped Cs2AgInCl6 double perovskite by pressure and temperature-dependent self-trapped exciton emission

  Publication

  • K. Dave
  • W. Huang
  • T. Leśniewski
  • A. Lazarowska
  • D. Jankowski
  • S. Mahlik
  • R. Liu

  - DALTON TRANSACTIONS - Year 2022

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• Resonance-Raman spectro-electrochemistry of intermediates in molecular artificial photosynthesis of bimetallic complexes

  Publication

  • L. Zedler
  • J. Guthmuller
  • I. Rabelo
  • S. Kupfer
  • S. Krieck
  • M. Schmitt
  • J. Popp
  • S. Rau
  • B. Dietzek

  - CHEMICAL COMMUNICATIONS - Year 2014

  The sequential order of photoinduced charge transfer processes and accompanying structure changes were analyzed by UV-vis and resonance-Raman spectroscopy of intermediates of a Ru(II) based photocatalytic hydrogen evolving system obtained by electrochemical reduction.

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• Chemical Control of SrLi(Al1–xGax)3N4:Eu2+ Red Phosphors at Extreme Conditions for Application in Light-Emitting Diodes

  Publication

  • M. Fang
  • S. Meng
  • N. Majewska
  • T. Leśniewski
  • S. Mahlik
  • M. Grinberg
  • H. Sheu
  • R. Liu

  - CHEMISTRY OF MATERIALS - Year 2019

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