Now showing items 1-14 of 14

  • Spin Crossover in Three Mononuclear Iron (III) Schiff Base Complexes 

    Nemec, Ivan; Svoboda, Ingrid; Herchel, Radovan (MDPI, 2019-08-02)
    The synthesis, crystal structure, and magnetic properties of three new mononuclear complexes [Fe(R-LA)(L1)](BPh4), where R-LA(2-) is a doubly deprotonated pentadentate Schiff base ligand and L1 is a monodentate benzimidazole ...
  • The effect of metallic substrates on the optical properties of monolayer MoSe2 

    Grzeszczyk, Magdalena; Bartoš, Miroslav; Molas, Maciej; Nogajewski, Karol; Bogucki, Aleksander; Faugeras, Clément; Kossacki, Piotr; Babinski, Adam; Potemski, Marek (Springer Nature, 2020-03-18)
    Atomically thin materials, like semiconducting transition metal dichalcogenides (S-TMDs), are highly sensitive to the environment. This opens up an opportunity to externally control their properties by changing their ...
  • Structural, magnetic, redox and theoretical characterization of seven-coordinate first-row transition metal complexes with a macrocyclic ligand containing two benzimidazolyl N-pendant arms 

    Drahoš, Bohuslav; Císařová, Ivana; Laguta, Oleksii; Santana, Vinicius Tadeu; Neugebauer, Petr; Herchel, Radovan (Royal Society of Chemistry, 2020-04-14)
    A structurally new heptadentate derivative of a 15-membered pyridine-based macrocycle containing two benzimidazol-2-yl-methyl N-pendant arms (L = 3,12-bis((1H-benzimidazol-2-yl)methyl)-6,9-dioxa-3,12,18-triazabicyclo[12. ...
  • Halogen Bonding in New Dichloride-Cobalt(II) Complex with Iodo Substituted Chalcone Ligands 

    Masaryk, Lukáš; Moncol, Ján; Herchel, Radovan; Nemec, Ivan (MDPI, 2020-05-01)
    The synthesis and properties of new chalcone ligand 4I-L ((2E)-1-[4-(1H-imidazol-1-yl)phenyl]-3-(4-iodophenyl)prop-2-en-1-one) and tetracoordinate Co(II) complex [Co(4I-L)(2)Cl-2], (1a), are reported in this article. Upon ...
  • Transition Metal Dichalcogenides for the Application of Pollution Reduction: A Review 

    Zhang, Xixia; Teng, Sin Yong; Loy, Adrian Chun Minh; How, Bing Shen; Leong, Wei Dong; Tao, Xutang (MDPI, 2020-06-01)
    The material characteristics and properties of transition metal dichalcogenide (TMDCs) have gained research interest in various fields, such as electronics, catalytic, and energy storage. In particular, many researchers ...
  • Co(II)-Based single-ion magnets with 1,1 '-ferrocenediyl-bis(diphenylphosphine) metalloligands 

    Hrubý, Jakub; Dvořák, Dalibor; Squillantini, Lorenzo; Mannini, Mateo; van Slageren, Joris; Herchel, Radovan; Nemec, Ivan; Neugebauer, Petr (Royal Society of Chemistry, 2020-09-07)
    Herein, we report on investigations of magnetic and spectroscopic properties of three heterobimetallic Fe(ii)-Co(ii) coordination compounds based on the tetracoordinate {CoP2X2} core encapsulated by dppf metalloligand, ...
  • Deposition of Tetracoordinate Co(II) Complex with Chalcone Ligands on Graphene 

    Hrubý, Jakub; Vavrečková, Šárka; Masaryk, Lukáš; Sojka, Antonín; Navarro Giraldo, Jorge Andres; Bartoš, Miroslav; Herchel, Radovan; Moncol, Ján; Nemec, Ivan; Neugebauer, Petr (MDPI, 2020-11-01)
    Studying the properties of complex molecules on surfaces is still mostly an unexplored research area because the deposition of the metal complexes has many pitfalls. Herein, we probed the possibility to produce surface ...
  • A new series of Schiff base Ni(II)4 cubanes: Evaluation of magnetic coupling via carboxylate bridges. 

    Gusev, Alexey; Nemec, Ivan; Herchel, Radovan; Baluda, Yuriy; Maria, Kryukova; Yefimov, Nikolay; Kiskin, Mikhail; Linert, Wolfgang (Elsevier, 2021-01-02)
    The Schiff base ligand H2L has been synthesized by condensation of 2-aminophenol with 3-methyl-1-phenyl-4-formylpyrazol-5-one and reaction between H2L and Ni(OOCR3)2, R = H in 1, –CH3 in 2, Cl in 3, yielded three new ...
  • Excitonic Complexes in n-Doped WS2 Monolayer 

    Zinkiewitz, Malgorzata; Wozniak, Tomasz; Kazimierczuk, Tomasz; Kapuscinski, Piotr; Oreszczuk, Kacper; Grzeszczyk, Magdalena; Bartoš, Miroslav; Nogajewski, Karol; Watanabe, Kenji; Taniguchi, Takashi; Faugeras, Clément; Kossacki, Piotr; Potemski, Marek; Babinski, Adam; Molas, Maciej (American Chemical Society, 2021-03-24)
    We investigate the origin of emission lines apparent in the low-temperature photoluminescence spectra of n-doped WS2 monolayer embedded in hexagonal BN layers using external magnetic fields and first-principles calculations. ...
  • The riddle of orange-red luminescence in Bismuth-doped silica glasses 

    Laguta, Oleksii; Razdobreev, Igor M. (Nature Portfolio, 2021-04-08)
    For over the past two decades it has been believed that the intense orange-red photoluminescence in Bismuth-doped materials originates from Bi2+ ions. Based on the results from magnetic circular polarization experiments, ...
  • Rydberg series of dark excitons and the conduction band spin-orbit splitting in monolayer WSe2 

    Kapuscinski, Piotr; Delhomme, Alex; Václavková, Diana; Slobodeniuk, Artur; Grzeszczyk, Magdalena; Bartoš, Miroslav; Watanabe, Kenji; Taniguchi, Takashi; Faugeras, Clément; Potemski, Marek (NATURE PORTFOLIO, 2021-08-19)
    Strong Coulomb correlations together with multi-valley electronic bands in the presence of spin-orbit interaction are at the heart of studies of the rich physics of excitons in monolayers of transition metal dichalcogenides ...
  • Simulation of nitrogen nuclear spin magnetization of liquid solved nitroxides 

    Marko, Andriy; Sojka, Antonín; Laguta, Oleksii; Neugebauer, Petr (Royal Society of Chemistry, 2021-08-28)
    Nitroxide radicals are widely used in electron paramagnetic resonance (EPR) applications. Nitroxides are stable organic radicals containing the N-O group with hyperfine coupled unpaired electron and nitrogen nuclear spins. ...
  • Defects in Hybrid Perovskites: The Secret of Efficient Charge Transport 

    Musiienko, Artem; Ceratti, Davide Raffaele; Pipek, Jindřich; Brynza, Mykola; Elhadidy, Hassan; Belas, Eduard; Betušiak, Marián; Delport, Geraud; Praus, Petr (WILEY-VCH, 2021-09-01)
    The interaction of free carriers with defects and some critical defect properties are still unclear in methylammonium lead halide perovskites (MHPs). Here, a multi-method approach is used to quantify and characterize defects ...
  • Destructive Photon Echo Formation in Six-Wave Mixing Signals of a MoSe2 Monolayer 

    Hahn, Thilo; Václavková, Diana; Bartoš, Miroslav; Nogajewski, Karol; Potemski, Marek; Watanabe, Kenji; Taniguchi, Takashi; Machnikowski, Paweł; Kuhn, Tilmann; Kasprzak, Jacek; Wigger, Daniel (Wiley-VCH, 2022-01-05)
    Monolayers of transition metal dichalcogenides display a strong excitonic optical response. Additionally encapsulating the monolayer with hexagonal boron nitride allows to reach the limit of a purely homogeneously broadened ...