Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Hadma Sousa Ferreira"'
Publikováno v:
Química Nova, Vol 32, Iss 7, Pp 1860-1870 (2009)
In recent years nanomaterials, such as metallic nanoparticles, nanowires, nanotapes, nanotubes and nanocomposites, have attracted increasing interest for several technological applications. In catalysis, the great potential of nanomaterials is relate
Externí odkaz:
https://doaj.org/article/6c3af653660b45b5981c3ad013de59cf
Autor:
Hadma Sousa Ferreira, Soraia Jesus Oliveira, Maria do Carmo Rangel, Ernesto A. Urquieta-González, Leandro Martins, José Luís Garcia Fierro, Sérgio G. Marchetti
Publikováno v:
Química Nova, Vol 30, Iss 3, Pp 611-615 (2007)
The activity of copper-doped hematite in the SCR with propane, in the presence of oxygen, was evaluated in this work. It was found that copper sulfate led to the production of solids with different specific surface areas depending on the amount of co
Externí odkaz:
https://doaj.org/article/dadc4038222644e09f308dca43f701dc
Autor:
Hadla S. Ferreira, Giancarlo R. Salazar-Banda, Katlin I.B. Eguiluz, Manuel Gliech, Maria do Carmo Rangel, Hadma Sousa Ferreira, Vera Beermann, Arno Bergmann
Publikováno v:
Journal of Nanoscience and Nanotechnology. 19:4590-4598
A series of Pt/Ni-SiO₂/C catalysts with different mass proportions of Ni-SiO₂/C (0:100, 30:70, 50:50, 70:30 and 100:0) were prepared and studied towards ethanol electrochemical oxidation in acid medium. The support silica particles were initially
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::19e25db03fa7dedb326ab1c7b60f65a0
https://doi.org/10.1166/jnn.2019.16915
https://doi.org/10.1166/jnn.2019.16915
Autor:
Marc Heggen, Hadla S. Ferreira, Rennan Geovanny Oliveira Araujo, Peter Strasser, Giancarlo R. Salazar-Banda, Caio V.S. Almeida, Hadma Sousa Ferreira, Katlin I.B. Eguiluz, Martin Gocyla, Rafal E. Dunin-Borkowski
Publikováno v:
Journal of nanoscience and nanotechnology. 20(10)
Carbon-supported platinum is used as an anode and cathode electrocatalyst in low-temperature fuel cells fueled with low-molecular-weight alcohols in fuel cells. The cost of Pt and its low activity towards the complete oxidation of these fuels are sig
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::14a116af711d052ea4856f4b171c7010
https://pubmed.ncbi.nlm.nih.gov/32384977
https://pubmed.ncbi.nlm.nih.gov/32384977
Autor:
Maria da Graça Carneiro da Rocha, Flávia Cavalcante S.M.R. Lopes, Carlos Pires, Pascal Bargiela, Hadma Sousa Ferreira
Publikováno v:
Chemical Engineering Science. 227:115939
This study reports the application of immobilized Ag/TiO2 onto coconut and sisal fibers to anthracene degradation via the UV–vis radiation. The fibers were previously treated with hot water and CTAB to clean their impurities surfaces. Immobilizatio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::24866ae047d962687316959d8a9fe25b
https://doi.org/10.1016/j.ces.2020.115939
https://doi.org/10.1016/j.ces.2020.115939
Autor:
Katlin I.B. Eguiluz, Marcus Vinicius Santos da Silva, Maria da Graça Carneiro da Rocha, Hadla S. Ferreira, Maria do Carmo Rangel, Pascal Bargiela, Hadma Sousa Ferreira, Giancarlo R. Salazar-Banda
Publikováno v:
Materials Chemistry and Physics. 245:122753
The low stability of Pt-based catalysts due to severe corrosion of carbon support is one of the most critical technical issues hindering the widespread application of proton exchange membrane fuel cells. Here, we report the successful deposition of P
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f0048a2cf32e4d9b617ae0805e413475
https://doi.org/10.1016/j.matchemphys.2020.122753
https://doi.org/10.1016/j.matchemphys.2020.122753
Autor:
Nicolas Bion, Hadma Sousa Ferreira, Daniel Duprez, Juliana da Silva Lima Fonseca, Maria do Carmo Rangel, Florence Epron, Laurence Pirault-Roy
Publikováno v:
Catalysis Today
Catalysis Today, Elsevier, 2012, 180 (1), pp.34-41. ⟨10.1016/j.cattod.2011.06.008⟩
Catalysis Today, Elsevier, 2012, 180 (1), pp.34-41. ⟨10.1016/j.cattod.2011.06.008⟩
1.1 wt% Cu and 1 wt% Au/CeO 2 catalysts were prepared by impregnation of a high-surface area ceria (>200 m 2 g −1 ) with copper nitrate and dimethyl(acetylacetonate) gold(III), respectively. They were dried and calcined in air at 300 °C. They were
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f759e356b82137abfcdb5d7c5bae9cc7
https://doi.org/10.1016/j.cattod.2011.06.008
https://doi.org/10.1016/j.cattod.2011.06.008
Autor:
Hadma Sousa Ferreira, Márcio L.O. Ferreira, Iuri Muniz Pepe, Maria do Carmo Rangel, Antonio Ferreira da Silva
Publikováno v:
Brazilian Journal of Physics v.39 n.1a 2009
Brazilian Journal of Physics
Sociedade Brasileira de Física (SBF)
instacron:SBF
Brazilian Journal of Physics, Volume: 39, Issue: 1a, Pages: 141-145, Published: APR 2009
Brazilian Journal of Physics
Sociedade Brasileira de Física (SBF)
instacron:SBF
Brazilian Journal of Physics, Volume: 39, Issue: 1a, Pages: 141-145, Published: APR 2009
The nature of gold species in Au/CeX Zr1-X O2 catalysts was successfully investigated using the visible and near infrared photoacoustic spectroscopy and Fourier transform infrared spectroscopy of adsorbed carbon monoxide. It was found that the visibl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3753708c6703f2302733928a32f52376
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-97332009000200003
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-97332009000200003
Publikováno v:
Química Nova, Volume: 32, Issue: 7, Pages: 1860-1870, Published: 2009
Química Nova v.32 n.7 2009
Química Nova
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Química Nova v.32 n.7 2009
Química Nova
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
In recent years nanomaterials, such as metallic nanoparticles, nanowires, nanotapes, nanotubes and nanocomposites, have attracted increasing interest for several technological applications. In catalysis, the great potential of nanomaterials is relate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::faaa81771041b9865c33dce1f3c06807
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422009000700033&lng=en&tlng=en
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422009000700033&lng=en&tlng=en
Autor:
Soraia Jesus Oliveira, Leandro Martins, Ernesto A. Urquieta-González, Maria do Carmo Rangel, Hadma Sousa Ferreira, José Luis García Fierro, Sergio Gustavo Marchetti
Publikováno v:
SEDICI (UNLP)
Universidad Nacional de La Plata
instacron:UNLP
Química Nova v.30 n.3 2007
Química Nova
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
CONICET Digital (CONICET)
Consejo Nacional de Investigaciones Científicas y Técnicas
instacron:CONICET
Universidad Nacional de La Plata
instacron:UNLP
Química Nova v.30 n.3 2007
Química Nova
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
CONICET Digital (CONICET)
Consejo Nacional de Investigaciones Científicas y Técnicas
instacron:CONICET
The activity of copper-doped hematite in the SCR with propane, in the presence of oxygen, was evaluated in this work. It was found that copper sulfate led to the production of solids with different specific surface areas depending on the amount of co
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ed22c5d31df5c0c09740652055d8806d
http://sedici.unlp.edu.ar/handle/10915/29417
http://sedici.unlp.edu.ar/handle/10915/29417