Researchclopedia

Research Researchers Institutions Topics Submit About

Command Palette

Search for a command to run...

Researchclopedia

Research Researchers Institutions About

© 2026 Researchclopedia. Powered by OpenAlex under CC0 license.

Ricardo O. Freire | Researchclopedia

Back to researchers

Ricardo O. Freire

Universidade Federal de Sergipe ORCID

185

Works

5,117

Citations

37

h-index

96

i10-index

Research Topics

Lanthanide and Transition Metal Complexes Radioactive element chemistry and processing Magnetism in coordination complexes

Affiliations

University of Bern2005–2005

Mathematics Research Center2024–2024

Serviço Nacional de Aprendizagem Industrial2024–2024

National Institute for Interdisciplinary Science and Technology2006–2006

University of Trás-os-Montes and Alto Douro2007–2007

Top Works

RM1: A reparameterization of AM1 for H, C, N, O, P, S, F, Cl, Br, and I

Gerd B. Rocha,Ricardo O. Freire,et al.

2006673 citations

X-ray Diffraction in Crystallography

Crystallization and Solubility Studies

Cytotoxicity and slow release of the anti-cancer drug doxorubicin from ZIF-8

Iane B. Vasconcelos,Teresinha G. da Silva,et al.

2012300 citations

LUMPAC lanthanide luminescence software: Efficient and user friendly

José Diogo L. Dutra,Thiago Dias Bispo,et al.

2014246 citations

Iodosobenzene diacetate, an efficient reagent for the oxidative decarboxylation of carboxylic acids

J. I. CONCEPCION,Cosme G. Francisco,et al.

1986174 citations

Sparkle Model for the Calculation of Lanthanide Complexes: AM1 Parameters for Eu(III), Gd(III), and Tb(III)

Ricardo O. Freire,Gerd B. Rocha,et al.

2005135 citations

Spectroscopic Study of a UV‐Photostable Organic–Inorganic Hybrids Incorporating an Eu<sup>3+</sup> β‐Diketonate Complex

Patrícia P. Lima,Rute A. S. Ferreira,et al.

2006132 citations

Sparkle/PM7 Lanthanide Parameters for the Modeling of Complexes and Materials

José Diogo L. Dutra,Manoel A. M. Filho,et al.

2013132 citations

3-Phenyl-4-benzoyl-5-isoxazolonate Complex of Eu<sup>3+</sup> with Tri-<i>n</i>-octylphosphine Oxide as a Promising Light-Conversion Molecular Device

Rani Pavithran,N. S. Saleesh Kumar,et al.

2006119 citations

Tb<sup>3+</sup>→Eu<sup>3+</sup> Energy Transfer in Mixed-Lanthanide-Organic Frameworks

Marcelo O. Rodrigues,José Diogo L. Dutra,et al.

2012103 citations