Zobrazeno 1 - 10
of 37
pro vyhledávání: '"L. A. Pocrifka"'
Autor:
Sergio Massayoshi Nunomura, André C. de Oliveira, Tatiane Pereira de Souza, Brenner L. Pereira, Sidney G. Azevedo, Jesús Rafael Rodríguez Amado, Rosemary Aparecida Roque, Edgar A. Sanches, Rochelly da Silva Mesquita, L. A. Pocrifka, Wanderli Pedro Tadei, Rita de Cássia Saraiva Nunomura, Ingrity S.C. Sá
Publikováno v:
Revista Brasileira de Farmacognosia. 30:667-677
Diseases transmitted by the mosquito Aedes aegypti, Culicidae, are a serious public health problem worldwide, especially because of the increasing resistance to synthetic insecticides. Volatile oils are botanicals with interesting multi-target proper
Autor:
L. A. Pocrifka, Raimundo R. Passos, B. L. Pereira, E. C. Silva, J.C.M. Costa, M. C. Nascimento
Publikováno v:
Journal of Solid State Electrochemistry. 24:2543-2553
Manganese dioxide (MD) was synthesized by cyclic voltammetry using 0.5 mol L−1 MnSO4·6H2O as the precursor solution, with and without the 0.05 mol L−1 of Na2SO4 support electrolyte solution, and effect was studied by several techniques. The AFM
Autor:
Luiz K. C. de Souza, C.S. Ferreira, João Carlos Martins, Rayanne O. Araujo, Alexandre A. S. Gonçalves, Raimundo R. Passos, D.V. Sampaio, Jamal da Silva Chaar, L. A. Pocrifka, Marco Costa, Diogo Padilha Oliveira
Publikováno v:
Journal of Materials Science: Materials in Electronics. 31:12148-12157
Creating energy storage devices from biomass waste has great scientific and industrial significance by providing an eco-friendly and sustainable alternative to reuse biowaste. This study demonstrates the production of high-performance supercapacitor
Autor:
E. C. Silva, J. C. M. da Costa, L. A. Pocrifka, M. C. Nascimento, Raimundo R. Passos, B. L. Pereira
Publikováno v:
Journal of Solid State Electrochemistry. 24:1961-1968
CoFe2O4 particles were successfully synthesized by a sol-gel proteic route in three different temperatures, and their structural and morphological properties were studied in detail. The XRD pattern results confirmed CoFe2O4 formation with some residu
Autor:
L. A. Pocrifka, J.C.M. Costa, M. C. Nascimento, E. C. Silva, B. L. Pereira, Raimundo R. Passos
Publikováno v:
Journal of Solid State Electrochemistry. 24:1727-1733
In the present work, MnO2 was electrodeposited (galvanostatic mode) on carbon cloth (CC) from manganese nitrate and sulfate precursors. Its electrochemical performance was evaluated by cyclic voltammetry (CV) and electrochemical impedance spectroscop
Autor:
Raimundo R. Passos, J. Agostinho Moreira, Y. Leyet Ruiz, Alexandra D. Almeida, Priscila Carvalho Machado Aguiar, L. Aguilera, L. A. Pocrifka
Publikováno v:
Journal of Materials Science: Materials in Electronics. 31:3084-3091
In this work, γ-CoOOH was successfully synthesized from α-Co(OH)2, as a precursor, by electrochemical oxidation, without the use of any additives or high temperatures. The films were morphologically and structurally characterized using X-Ray Diffra
Autor:
Raimundo R. Passos, Raquel Alves Corrêa Lima, L. A. Pocrifka, Aluísio José Cordeiro Pinto Júnior
Publikováno v:
Materials Research, Vol 24, Iss 3 (2021)
Materials Research, Volume: 24, Issue: 3, Article number: e20200375, Published: 24 MAY 2021
Materials Research v.24 n.3 2021
Materials research (São Carlos. Online)
Universidade Federal de São Carlos (UFSCAR)
instacron:ABM ABC ABPOL
Materials Research, Volume: 24, Issue: 3, Article number: e20200375, Published: 24 MAY 2021
Materials Research v.24 n.3 2021
Materials research (São Carlos. Online)
Universidade Federal de São Carlos (UFSCAR)
instacron:ABM ABC ABPOL
Fuel cell is considered an energetic solution of low environmental impact which large-scale commercialization is hindered by the expensive Pt-based cathodic electrocatalyst. Therefore, its replacement by an active less-expensive metal-free electrocat
Publikováno v:
Revista Virtual de Química. 11:1920-1933
Recentemente, a utilizacao de nanomateriais a base de Pt com estrutura core - shell como catalisadores para a reacao de reducao de oxigenio (RRO) demonstrou-se como uma alternativa promissora. Este trabalho teve como objetivo a obtencao de nanoestrut
Autor:
Gabriel L. C. de Souza, Y. Leyet, Ailton José Terezo, E.H.N.S. Thaines, L. A. Pocrifka, Y. Romaguera-Barcelay, L. Aguilera, R.G. Freitas, Raimundo R. Passos
Publikováno v:
Thin Solid Films. 670:24-33
In the present work, electrodeposition different temperatures are employed to obtain nickel hydroxide films on titanium substrate. The influence of this parameter on the electrochemical properties of the material is studied. The films are morphologic
Publikováno v:
Materials Science and Engineering: B. :1-6
In the present work, electrodeposition at different temperatures was employed to obtain nickel hydroxide films onto titanium substrates. The influence of the temperature on the electrochemical properties of the as-prepared films was studied. The resu