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Dive into the research topics where Zdenek Spichal is active.

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Featured researches published by Zdenek Spichal.


Luminescence | 2011

Luminescent properties of europium complexes with bis(diphenylphosphino)alkane dioxides

Pavla Pekárková; Zdenek Spichal; Petr Taborsky; Marek Nečas

Eu(NO(3))(3) · 5H(2)O and EuCl(3) · 6H(2)O were allowed to react with bis(diphenylphosphino)alkane dioxides Ph(2)P(O)(CH(2))(n) P(O)Ph(2)(n = 2, 4, 6) to obtain polymeric and binuclear complexes. The prepared compounds were structurally characterized by X-ray diffraction. Luminescence measurements (emission and excitation spectra, quantum yields, lifetimes) were compared with crystallographic data in order to find a relationship between luminescent properties of the Eu(III) complexes and their structures. The Eu(III) polymers, especially [Eu(dpphO(2))(2)Cl(2)](+) Cl(-)}(n), have shown extremely long luminescence lifetimes, up to 3.73 ms, as a result of a highly protecting hydrophobic shield.


Journal of Radioanalytical and Nuclear Chemistry | 2013

Synergistic extraction of europium and americium into nitrobenzene by using hydrogen dicarbollylcobaltate and 1,2-(diphenylphosphino)ethane dioxide

E. Makrlík; Petr Vaňura; P. Selucký; Zdenek Spichal


Polyhedron | 2006

Binuclear complexes of lanthanides with 1,4-bis(diphenylphosphino)butane dioxide

Zdenek Spichal; Marek Nečas; Jiri Pinkas; Zbynek Zdrahal


Inorganic Chemistry | 2004

The synthesis and crystal structures of two-dimensional coordination polymers of Ph2P(O)-CH2CH2-P(O)Ph2 and Ph2P(O)-C5H3N-P(O)Ph2 with praseodymium

Zdenek Spichal; Marek Nečas; Jiri Pinkas; Josef Novosad


Polyhedron | 2008

Two-dimensional lanthanide coordination polymers with bis(diphenylphosphino)hexane dioxide. The determination of the polymeric structure from twinned crystals

Zdenek Spichal; Vaclav Petricek; Jiri Pinkas; Marek Nečas


Acta Chimica Slovenica | 2011

Synergistic extraction of europium into nitrobenzene by using hydrogen dicarbollylcobaltate and 2, 6 - (diphenylphosphino)pyridine dioxide.

Emanuel Makrlík; Petr Vaňura; P. Selucký; Zdenek Spichal


Polyhedron | 2011

Synthesis and structure of lanthanide complexes with large-bite diphosphine dioxide ligands

Zdenek Spichal; Blanka Hégrová; Zdenek Moravec; Jiri Pinkas; Marek Nečas


Polyhedron | 2013

Lanthanide coordination polymers with bis(diphenylphosphoryl)bicyclo[1.1.1]pentane

Zdenek Spichal; Andrej Jancarik; Ctibor Mazal; Jiri Pinkas; Pavla Pekárková; Marek Nečas


Polyhedron | 2012

Solvent-induced changes in dimensionality of praseodymium coordination polymers with diphenylphosphorylvalerate ligand

Zdenek Spichal; Jiri Pinkas; Marek Nečas


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Emanuel Makrlík

Czech University of Life Sciences Prague

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Petr Vaňura

Institute of Chemical Technology in Prague

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Andrej Jancarik

Central European Institute of Technology

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E. Makrlík

University of West Bohemia

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