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Helliomar Pereira Barbosa
Helliomar Pereira Barbosa
Postdoctoral Researcher, Department of Chemistry and Biomolecular Sciences, University of Ottawa
Dirección de correo verificada de iq.usp.br
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Photoluminescence of single-phased white light emission materials based on simultaneous Tb3+, Eu3+ and Dy3+ doping in CaWO4 matrix
HP Barbosa, IGN Silva, MCFC Felinto, EES Teotonio, OL Malta, HF Brito
Journal of Alloys and Compounds 696, 820-827, 2017
622017
Downconversion and upconversion observed from Er3+/Yb3+/Eu3+ tri-doped-Y2O3 for application in energy conversion
C de Mayrinck, RL Siqueira, J Esbenshade, MA Schiavon, RC de Lima, ...
Journal of Alloys and Compounds 816, 152591, 2020
352020
Luminescence investigation of R3+-doped alkaline earth tungstates prepared by a soft chemistry method
HP Barbosa, J Kai, IGN Silva, LCV Rodrigues, MCFC Felinto, J Hölsä, ...
Journal of Luminescence 170, 736-742, 2016
302016
Photoluminescence properties of the material based on SiO2–Y2O3: Eu3+, Tb3+ under different in situ temperature prepared by the sol-gel process
LLS Alves, RC de Lima, MA Schiavon, RR Gonçalves, HP Barbosa, ...
Journal of Luminescence 222, 117109, 2020
192020
Upconversion rare Earths nanomaterials applied to photodynamic therapy and bioimaging
TKL Rezende, HP Barbosa, LF Dos Santos, K de O. Lima, ...
Frontiers in Chemistry 10, 1035449, 2022
92022
Eu3+-doped SiO2–Y2O3 containing Sr2+ for application as fingerprinting detector
E Firmino, L da Silva Oliveira, FCB Martins, JC S Filho, HP Barbosa, ...
Optical Materials 114, 111018, 2021
92021
Materials for Solar Cell Applications: An Overview of TiO2, ZnO, Upconverting Organic and Polymer-Based Solar Cells
N Shrivastava, H Barbosa, K Ali, SK Sharma
Solar Cells: From Materials to Device Technology, 55-78, 2020
92020
Susceptibilidade antimicrobiana de swab uterino e da fossa clitoriana de éguas com subfertilidade
JCF Jacob, VLT Jesus, HP Barbosa, MF Zimmerman, AG Silva, CM Melo
Revta Univ. Rural, Sér. Ciênc. Vida 22 (2), 109-114, 2002
82002
Development of Y2O3: Eu3+ materials doped with variable Gd3+ content and characterization of their photoluminescence properties under UV excitation
FCB Martins, E Firmino, LS Oliveira, NO Dantas, ACA Silva, HP Barbosa, ...
Materials Chemistry and Physics 277, 125498, 2022
72022
Dipole-dipole energy transfer mechanism to the blue-white-red color-tunable emission presented by CaYAlO4: Tb3+, Eu3+ biocompatibility material obtained by the simple and low …
RV Perrella, MG Manfré, RR Gonçalves, GH Silva, JH Faleiro, ...
Materials Chemistry and Physics 247, 122855, 2020
72020
Temperature sensing based on upconversion properties of Yb3+/Ho3+/Tm3+ tri-doped Y2O3 micro particles phosphors obtained by conventional precipitation method
RV Perrella, ML Debasu, TKL Rezende, JA Carneiro, HP Barbosa, ...
Materials Science and Engineering: B 297, 116780, 2023
52023
Luminescence properties of BaMO4: Eu3+ (M: Mo or W) phosphors derived from co-precipitation reaction
RP Moreira, LHC Francisco, IF Costa, HP Barbosa, EES Teotonio, ...
Journal of Alloys and Compounds 937, 168408, 2023
52023
Facile synthesis of chitosan membrane containing Eu3+ complex with intense emission in the red region
LGA de Carvalho, LGL Guimaraes, E Raphael, MA Schiavon, ...
Journal of Materials Research and Technology 12, 2247-2256, 2021
52021
Zinc Oxide as a Multifunctional Material: From Biomedical Applications to Energy Conversion and Electrochemical Sensing
ALS Helliomar Pereira Barbosa, Diele Aparecida Gouveia Araújo, Lauro Antonio ...
Metal and Metal Oxides for Energy and Electronics 55, 251-305, 2021
52021
Síntese e estudo da luminescência de matrizes de tungstatos dopadas com íons terras raras
HP Barbosa
Universidade de São Paulo, 2013
42013
Simultaneous excitation at IR and UV of RE3+ triply doped SiO2-Gd2O3 materials for energy conversion purposes
TK de Lima Rezende, HP Barbosa, K de Oliveira Lima, MS Góes, ...
Ceramics International 47 (24), 35187-35200, 2021
32021
Antimicrobic susceptibility of uterine and clitoral swabs of mares with endometritis.
JCF Jacob, VLT Jesus, HP Barbosa, MF Zimmerman, AG Silva, CM Melo
32002
Emission of TiO2: Y3+ and Eu3+ in water medium, under UV excitation and band gap theoretical calculus
L da Silva Oliveira, EF Barbosa, FCB Martins, G de Freitas Silva, ...
Journal of Luminescence 257, 119639, 2023
22023
Niobium incorporation into rare-earth doped aluminophosphate glasses: Structural characterization, optical properties, and luminescence
JH Faleiro, NO Dantas, ACA Silva, HP Barbosa, BHST da Silva, KO Lima, ...
Journal of Non-Crystalline Solids 605, 122173, 2023
22023
Niobium oxide influence in the phosphate glasses triply doped with Er3+/Yb3+/Eu3+ prepared by the melting process
JH Faleiro, NO Dantas, ACA Silva, HP Barbosa, BHST da Silva, KO Lima, ...
Journal of Non-Crystalline Solids 571, 121051, 2021
22021
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Artículos 1–20