Titre du document / Document title

Observation of tancoite-like chains in a one-dimensional metal-organic polymer

Auteur(s) / Author(s)

THIRUMURUGAN A. ⁽¹⁾ ; PATI Swapan K. ⁽²⁾ ; GREEN Mark A. ⁽³⁾ ; NATARAJAN Srinivasan ⁽¹⁾ ;

Affiliation(s) du ou des auteurs / Author(s) Affiliation(s)

⁽¹⁾ Framework Solids Laboratory, Chemistry and Physics of Materials Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur P.O., Bangalore 560 064, INDE
⁽²⁾ Theoretical Sciences Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur P.O., Bangalore 560 064, INDE
⁽³⁾ The Davy-Faraday Research Laboratory, The Royal Institution of Great Britain, 21 Albemarle Street, London, W1S 4BS, ROYAUME-UNI

Résumé / Abstract

A hydrothermal reaction of diphenic acid, NaOH, water and the corresponding lanthanide salt at a pH of ∼5.5 gives rise to a new one-dimensional metal-organic coordination polymer, [M₂(H₂O)₂(C₁₄H₈O₄)₃] Nd, Dy or Y). The structure is built up from a network of distorted dodecahedral MO₈ units and the diphenate anions. The M atoms are connected through an oxygen atom, giving rise to tancoite-like chains, to which the diphenate anions are grafted completing the one-dimensional structure. Magnetic studies indicate only paramagnetic behavior in the temperature range 4-300K for M = Dy. The compounds exhibit photoluminescence at room temperature with the main emission band at 450 nm (λ_ex = 338 nm).

Revue / Journal Title

Journal of material chemistry   ISSN 0959-9428 

Source / Source

2003, vol. 13, n^o12, pp. 2937-2941 [5 page(s) (article)] (20 ref.)

Langue / Language

Anglais

Editeur / Publisher

Royal Society of Chemistry, Cambridge, ROYAUME-UNI  (1991) (Revue)

Mots-clés anglais / English Keywords

Rare earth compounds ; Organometallic compounds ; Yttrium compounds ; Neodymium compounds ; Dysprosium compounds ; Monoclinic lattices ; Paramagnetic materials ; Polychelate ; XRD ; Photoluminescence ; Temperature dependence ; Crystal growth from solutions ; Hydrothermal synthesis ; Molecular structure ; Crystal structure ; Chemical synthesis ; Experimental study ;

Mots-clés français / French Keywords

Lanthanide composé ; Composé organométallique ; Yttrium composé ; Néodyme composé ; Dysprosium composé ; Réseau monoclinique ; Matériau paramagnétique ; Polymère coordination ; Diffraction RX ; Photoluminescence ; Dépendance température ; Croissance cristalline en solution ; Synthèse hydrothermale ; Structure moléculaire ; Structure cristalline ; Synthèse chimique ; Etude expérimentale ;

Mots-clés espagnols / Spanish Keywords

Polímero coordinación ; Síntesis química ;

Localisation / Location

INIST-CNRS, Cote INIST : 22603, 35400011607042.0210