Přejít k hlavnímu obsahu

Přihlášení pro studenty

Přihlášení pro zaměstnance

default alt fcht

Antimony centre in three different roles: does donor strength or acceptor ability determine the bonding pattern?

Richard Chlebík, Csilla Fekete, Roman Jambor, Aleš Růžička, Zoltán Benkő*, Libor Dostál*

Dalton Trans., 2024, 53, 17721-17726.

DOI: 10.1039/D4DT02787F

Graphical abstract: Antimony centre in three different roles: does donor strength or acceptor ability determine the bonding pattern?

Low-temperature synthesis of GeTe nanoparticles

Marek Bouška, Yaraslava Milasheuskaya*, Miroslav Šlouf, Petr Knotek*, Stanislav Pechev, Lubomír Prokeš, Lukáš Pečinka, Josef Havel, Miroslav Novák, Roman Jambor*, Petr Němec

Chem. Eur. J., 2024, e202402319.

DOI: 10.1002/chem.202402319

Enhanced electrochemical performance of MoSe2 nanosheets on CoAl- layered double hydroxide for oxygen evolution reaction

Sadik Cogal*, Matej Mičušík, Petr Knotek, Klára Melánová, Vítězslav Zima, Mária Omastová

J. Alloy. Compd., 2024, 987, 174173.

DOI: 10.1016/j.jallcom.2024.174173

Highlights

  • MoSe2 nanosheets were grown on the surface of CoAl-layered double hydroxide using hydrothermal method.
  • Hydrothermal synthesis resulted in the formation of defect sites on MoSe2@CoAl-LDH.
  • The MoSe2@CoAl-LDH hybrid nanostructure exhibits improved catalytic active sites.
  • The MoSe2@CoAl-LDH catalyst improved the performance of the oxygen evolution reaction in an alkaline solution.

On the parameters influencing the formation of microelements in the Ge-As-S glasses by visible CW laser direct writing

Petr Kutálek, Ekaterina Samsonova, Jan Smolík, Petr Knotek*, Jiří Schwarz, Eva Černošková, Lucie Zárybnická, Ladislav Tichý

Appl. Surf. Sci., 2024, 665, 160297.

DOI: 10.1016/j.apsusc.2024.160297

Intramolecularly O,N,O-Coordinated Tin(II) Salts: Syntheses, Structures, Cyclization, and Transition Metal Complexation

Hazem Alnasr, David Mroß, André Platzek, Bastian Nayyar, Tomáš Řičica, Dieter Schollmeyer, Roman Jambor*, Alexander Hoffmann*, Klaus Jurkschat*

Chem. Eur. J. 2024, e202400580.

DOI: 10.1002/chem.202400580

Thermal mechanism-driven microlens formation in Ge–Sb–S glasses by direct laser writing: composition dependent insight

Jan Smolík, Petr Knotek*, Eva Černošková, Petr Kutálek, Ekaterina Samsonova, Jiří Schwarz, Jana Kašparová, Ladislav Tichý

J. Mater. Sci., 2024

DOI: 10.1007/s10853-024-09353-6

Palladium(II) and Platinum(II) Bis(Stibinidene) Complexes with Intramolecular Hydrogen-Bond Enforced Geometries

Jan Zechovský, Erik Kertész, Milan Erben, Martin Hejda, Roman Jambor, Aleš Růžička, Zoltán Benkő*, Libor Dostál*

ChemPlusChem, 2023, e202300573.

DOI: 10.1002/cplu.202300573

Description unavailable

N-Coordinated tellurenium(II) and telluronium(IV) cations: synthesis, structure and hydrolysis

Martin Hejda, Lukáš Doležal, Jan Blahut, Emanuel Hupf, Jiří Tydlitát, Roman Jambor, Aleš Růžička, Jens Beckmann*, Libor Dostál* 

Dalton Trans., 2023, 52, 16235–16248.

DOI: 10.1039/D3DT02404K

The reactivity of antimony and bismuth N,C,N-pincer compounds toward K[BEt3H] – the formation of heterocyclic compounds vs. element–element bonds vs. stable terminal Sb–H bonds

Pavel Novák, Milan Erben, Roman Jambor, Martin Hejda, Aleš Růžička, Elena Rychagova, Sergey Ketkov*, Libor Dostál* 

Dalton Trans., 2023, 52, 218–227.

DOI: 10.1039/D2DT03564B

Oxidations of N-coordinated Arsinidene and Stibinidene by Substituted Quinones: A Remarkable Follow-Up Reactivity

Jan Zechovský, Erik Kertész, Milan Erben, Roman Jambor, Aleš Růžička, Zoltán Benkö*, Libor Dostál*

ChemPlusChem, 2023, 88, e202300018.

DOI: 10.1002/cplu.202300018

Description unavailable

Method for the Synthesis of Ferrocenylhydrazine and Its Properties and Reactivity

Pavel Kozáček, Libor Dostál, Adam Hochmal, Monika Pascucci, Aleš Růžička, Tomáš Mikysek, Milan Erben*

Organometallics, 2023, 42(17), 2405-2414.

DOI: 10.1021/acs.organomet.3c00332

Synthesis and reactivity of alkali metal aluminates bearing bis(organoamido)phosphane ligand

Jan Vrána*, Zdeňka Růžičková, Aleš Růžička, Libor Dostál

Dalton Trans., 2023, 52, 12623–12631.

DOI: 10.1039/D3DT01859H

Synthesis and Exfoliation of Calcium Organophosphonates for Tailoring Rheological Properties of Sodium Alginate Solutions: A Path toward Polysaccharide-Based Bioink

Kateřina Kopecká, Lenka Vítková*, Zuzana Kroneková, Lenka Musilová, Petr Smolka, Filip Mikulka, Klára Melánová, Petr Knotek, Martin Humeník, Antonín Minařík, Aleš Mráček*

Biomacromolecules, 2023, 24(7), 3016–3031.

DOI: 10.1021/acs.biomac.3c00081

Microlenses formation on surface of stoichiometric Ge-As-S bulk glasses by CW laser direct writing

Petr Kutálek, Ekaterina Samsonova, Jan Smolík, Petr Knotek*Jiří Schwarz, Eva Černošková, Petr Janíček, Ladislav Tichý

Appl. Surf. Sci., 2023, 628, 157380.

DOI: 10.1016/j.apsusc.2023.157380

Tin(II) cations stabilized by non-symmetric N,N′,O-chelating ligands: synthesis and stability

Miroslav Novák*, Jan Turek*, Yaraslava Milasheuskaya, Miriam Syková, Libor Dostál, Jesse Stalmans, Zdeňka Růžičková, Klaus Jurkschat, Roman Jambor

Dalton Trans., 2023, 52, 2749-2761.

DOI: 10.1039/D2DT03563D 

Preparation of solution-processed thin films of As-S-Se system from As40S60 solution modified by amorphous selenium

Jiří Jemelka, Karel Pálka*, Jiří Jančálek, Michal Kurka, Stanislav Šlang, Miroslav Vlček

J. Non-Cryst. Solids 2023, 605, 122159.

DOI: 10.1016/j.jnoncrysol.2023.122159

Highlights

  • As40S60 chalcogenide glass solution was modified by amorphous selenium.
  • Spin-coated thin films of As-S-Se were deposited in specular optical quality.
  • The optical properties, structure, and chemical resistance of films were studied.
  • The described method allows preparation of films with tailored optical properties.

Reactivity of a N-Coordinated Germylene-Borane Complex: From Ge→B to Ge→Ga Coordination

Dominik Vítek, Aleš Růžička, Lise Vermeersch,  Libor Dostál, Jan Turek*, Roman Jambor*

Chem. Eur. J. 2022, 28(70),  e2022026.

DOI: 10.1002/chem.202202639

jace.v105.5.cover.jpg (761×1000)

Deep red upconversion photoluminescence in Er3+-doped Yb3Ga5O12 nanocrystalline garnet

Tomáš Netolický*, Lukáš Střižík*, Ludvík Beneš, Klára Melánová, Stanislav Šlang, Tomáš Wágner

J. Am. Ceram. Soc. 2022, 105, 3391-3402.

DOI: 10.1111/jace.18313

Front Cover: Lewis Superacidic Tellurenyl Cation-Induced Electrophilic Activation of an Inert Carborane

Martin Hejda*, Daniel Duvinage, Enno Lork, Antonín Lyčka, Zdeněk Černošek, Jan Macháček, Sergey Makarov, Sergey Ketkov*, Stefan Mebs*, Libor Dostál, Jens Beckmann*

Chem. Eur. J. 2021, 27(59), 14577-14581.

DOI: 10.1002/chem.202103181

Description unavailable

Glass formation and properties of the TeO2-ZnO-BaO tellurite optical glasses

Jan Hrabovský*, Frédéric Désévédavy, Lukáš Střižík, Grégory Gadrét, Petr Kalenda, Božena Frumarová, Ludvík Beneš, Stanislav Šlang, Martin Veis, Tomáš Wágner, Frédéric Smektala

J. Non-Cryst. Solids 2022, 582, 121445.

DOI: 10.1016/j.jnoncrysol.2022.121445

 

Photo-induced solid-state reaction on the interface of As2S3-Ge30Se70 thin films

Petr Kutálek, Petr Knotek*, Petr Janíček, Rosen N. Todorov, Eva Černošková, Jan Smolík, Anna Atanasova, Ladislav Tichý

Opt. Mater. 2022, 123, 111897.

DOI: 10.1016/j.optmat.2021.111897

Highlights

  • Laser-induced solid-state reaction in double-layer As2S3 and Ge30Se70 thin films.
  • The newly formed intermix layer on the interface of two films.
  • The formation proved by FTIR (new Ge–S and As–Se bands), AFM and ellipsometry.

3D micro-structuring by CW direct laser writing on PbO-Bi2O3-Ga2O3 glass

Jan Smolík, Petr Knotek*, Jiří Schwarz, Eva Černošková, Petr Janíček, Klára Melánová, Lucie Zárybnická, Miloslav Pouzar, Petr Kutálek, Jakub Staněk, Jan Edlman, Ladislav Tichý

Appl. Surf. Sci. 2022, 589, 152993.

DOI: 10.1016/j.apsusc.2022.152993

Highlights

  • Direct laser writing into heavy metal oxide glasses (PbO)0.75-x(Bi2O3)x(Ga2O3)0.25.
  • The 447 nm CW laser induces the formation of micro-lenses, -craters and -lines.
  • The addition of Bi2O3 led to the decrease of the laser power density threshold.
  • Applied diagnostics SEM, DHM, AFM, Nanoindentation, Raman spectroscopy.
  • Local light-induced overheating calculated by COMSOL Multiphysics SW.

Synthesis and properties of 1,2,3-diazapnictol-5-yl substituted ferrocenes

Pavel Kozáček, Libor Dostál, Martin Hejda, Tomáš Mikysek, Aleš Růžička, Milan Erben*

New J. Chem. 2021, 45, 18171-18182.

DOI: 10.1039/D1NJ02666F

Graphical abstract: Synthesis and properties of 1,2,3-diazapnictol-5-yl substituted ferrocenes

Structuring of solution processed and thermally evaporated As33S67 thin films by soft stamp hot embossing method

Michal Kurka, Karel Pálka*, Jiří Jančálek, Stanislav Šlang, Miroslav Vlček

J. Non-Cryst. Solids 2021, 559, 120674.

DOI: 10.1016/j.jnoncrysol.2021.120674

Highlights

  • Spin-coated and thermally evaporated As33S67 chalcogenide thin films were studied.
  • Submicron diffraction gratings were prepared by soft PDMS stamp hot embossing.
  • Deposition technique and thermal treatment influence on structure depth was studied.
  • Formation of structures below temperature of glass transition was observed.
  • Hypothesis of different mass transport mechanism in spin-coated film was presented.