Search Results - "Figueiredo, Alberthmeiry T. de"
-
1
Different Origins of Green-Light Photoluminescence Emission in Structurally Ordered and Disordered Powders of Calcium Molybdate
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (25-09-2008)“…A strong greenish-light photoluminescence (PL) emission was measured at room temperature for disordered and ordered powders of CaMoO4 prepared by the polymeric…”
Get full text
Journal Article -
2
Magnetic Solid-Phase Microextraction for Lead Detection in Aqueous Samples Using Magnetite Nanoparticles
Published in Journal of the Brazilian Chemical Society (2020)“…A magnetic solid-phase microextraction procedure was developed to detect lead in aqueous samples by flame atomic absorption spectrometry (FAAS). Fe3O4…”
Get full text
Journal Article -
3
Biomimetic oxovanadium(IV) and (V) complexes with a tridentate (N,N,O)-donor hydrazonic ligand. Two X-ray crystal structure modifications of (2-acetylpyridine-benzoylhydrazonato)dioxovanadium(V)
Published in Transition metal chemistry (Weinheim) (01-05-2005)“…Two oxovanadium(IV) and (V) complexes with 2-acetylpyridine-benzoylhydrazone have been prepared and characterized. The analytical methods used included…”
Get full text
Journal Article -
4
Hydroximato complexes of boron—the X-ray crystal structures of dicyclohexylammonium bis(benzohydroximato)borate chloroform solvate and tetra- n-propylammonium bis(benzohydroximato)borate
Published in Polyhedron (15-10-2002)“…Four new alkylammonium bis(benzohydroximato)borates have been prepared and characterized by elemental analysis, IR and 1H NMR spectra. The crystal and…”
Get full text
Journal Article -
5
Correlation among Order−Disorder, Electronic Levels, and Photoluminescence in Amorphous CT:Sm
Published in Chemistry of materials (13-06-2006)“…Ca0.95Sm0.05TiO3 (CT:Sm) powder was prepared by the polymeric precursor method (PPM). Order−disorder at short and long range has been investigated by means of…”
Get full text
Journal Article -
6
Blue-green and red photoluminescence in CaTiO3:Sm
Published in Journal of luminescence (01-10-2007)Get full text
Journal Article -
7
Ruthenium Phosphine/Diimine Complexes: Syntheses, Characterization, Reactivity with Carbon Monoxide, and Catalytic Hydrogenation of Ketones
Published in Organometallics (05-12-2005)“…The cis-[RuCl2(PPh3)2(N−N)] (N−N = bipy (1), Me-bipy (2), phen (3), and bathophen (4)) complexes were used to synthesize five new electron-rich…”
Get full text
Journal Article -
8
First principles calculations on the origin of violet-blue and green light photoluminescence emission in SrZrO3 and SrTiO3 perovskites
Published in Theoretical chemistry accounts (01-11-2009)“…The photoluminescence (PL) emission from SrZrO 3 (SZ) and SrTiO 3 (ST) crystalline, quasi-crystalline, and quasi-amorphous samples, prepared by the polymeric…”
Get full text
Journal Article -
9
Structural disorder-dependent upconversion in Er3+/Yb3+-doped calcium titanate
Published in Ceramics international (01-12-2014)“…In this work, we evaluated the photoluminescence of distinct Er/Yb-doped CaTiO3 powders prepared by the polymeric precursor method, i.e., the crystalline form…”
Get full text
Journal Article -
10
Relation between photoluminescence emission and local order-disorder in the CaTiO3 lattice modifier
Published in Applied physics letters (12-03-2007)“…In this letter, the authors propose that photoluminescence emission in CaTiO3 is affected not only by disorder in the lattice former but also by structural…”
Get full text
Journal Article -
11
Relation between photoluminescence emission and local order-disorder in the Ca Ti O 3 lattice modifier
Published in Applied physics letters (12-03-2007)“…In this letter, the authors propose that photoluminescence emission in Ca Ti O 3 is affected not only by disorder in the lattice former but also by structural…”
Get full text
Journal Article -
12
Blue-green and red photoluminescence in CaTiO 3:Sm
Published in Journal of luminescence (2007)“…Blue-green and red photoluminescence (PL) emission in structurally disordered CaTiO 3:Sm (CT:Sm) powders was observed at room temperature with laser excitation…”
Get full text
Journal Article