title: Remarkable thermal stability of Eu(4-phosphonobenzoate): structure investigations and luminescence properties.
abstract: A new 3D rare-earth hybrid material Eu(p-O(3)PC(6)H(4)COO) has been synthesised by a hydrothermal route from Eu(NO(3))(3) x 5 H(2)O and the rigid precursor, 4-phosphonobenzoic acid. The structure of Eu(p-O(3)PC(6)H(4)COO) has been solved by X-ray diffraction on a powder sample and is described as an inorganic network in which both carboxylic and phosphonic acid groups are linked to Eu ions forming a three-dimensional architecture. Thermal analysis performed on this compound has underlined its remarkable stability up to 510 degrees C and an optical study has been conducted to examine its luminescence properties that have been related to the structure of the material. The structural and luminescence properties have also been compared with the related material Eu phenylphosphonate.
authors.affiliation: CRISMAT, CNRS UMR 6508, ENSICAEN, 6 Blvd. Maréchal Juin, F-14050, Caen Cedex, France.
authors.forename: Jean-Michel
authors.initials: JM
authors.lastname: Rueff
authors.forename: Nicolas
authors.initials: N
authors.lastname: Barrier
authors.forename: Sophie
authors.initials: S
authors.lastname: Boudin
authors.forename: Vincent
authors.initials: V
authors.lastname: Dorcet
authors.forename: Vincent
authors.initials: V
authors.lastname: Caignaert
authors.forename: Philippe
authors.initials: P
authors.lastname: Boullay
authors.forename: Gary B
authors.initials: GB
authors.lastname: Hix
authors.forename: Paul-Alain
authors.initials: PA
authors.lastname: Jaffrès
mesh_terms: D005063:Europium / Q000737:chemistry*; D049449:Luminescence; D008855:Microscopy, Electron, Scanning; D008968:Molecular Conformation; D009942:Organometallic Compounds / Q000138:chemical synthesis / Q000737:chemistry*; D013055:Spectrophotometry, Infrared; D013696:Temperature; D014961:X-Ray Diffraction
chemical_list: C547343:Eu(4-phosphonobenzoate); D009942:Organometallic Compounds; D005063:Europium