Zobrazeno 1 - 10
of 12
pro vyhledávání: '"P. C. de Sousa Filho"'
Autor:
Júlia C. Peixoto, Rafael V. Perrella, Paulo C. de Sousa Filho, Henrique S. Oliveira, Kisla P.F. Siqueira
Publikováno v:
Optical Materials: X, Vol 22, Iss , Pp 100320- (2024)
Improvement of luminescent thermometers requires not only the search for high-sensitivity thermometric outputs, but also availability of multiple thermometric parameters affording a combined and reliable response. We hereby detail for the first time
Externí odkaz:
https://doaj.org/article/d91b5266e17e4ae0aeb3a94577b8a035
Autor:
Sandro K. Otani, Thalyta T. Martins, Sérgio R. Muniz, Paulo C. de Sousa Filho, Fernando A. Sigoli, René A. Nome
Publikováno v:
Frontiers in Chemistry, Vol 10 (2022)
Given the remarkable developments in synthetic control over chemical and physical properties of colloidal particles, it is interesting to see how stochastic thermodynamics studies may be performed with new, surrogate, or hybrid model systems. In the
Externí odkaz:
https://doaj.org/article/4adee41e2f7c4ae79d61219f080b375b
Publikováno v:
Química Nova, Vol 42, Iss 10, Pp 1208-1224 (2020)
Externí odkaz:
https://doaj.org/article/554f582d43024233b0d0726b2aeebd68
Publikováno v:
Química Nova, Vol 38, Iss 5, Pp 679-696 (2015)
Liquid phase synthesis techniques are commonly preferred for the preparation of nanosized inorganic solids due to several advantages over other methodologies, such as low energy consumption, safety, possibility of reactant recovery and, mainly, the h
Externí odkaz:
https://doaj.org/article/9d05cb9a5da3480db4fd80e2c298020a
Publikováno v:
Química Nova, Vol 37, Iss 4, Pp 753-760 (2014)
This contribution introduces a brief discussion about the properties and applications of the rare earth elements, with a focus on their current status in Brazil. The general chemical properties, main applications and historical background of the chem
Externí odkaz:
https://doaj.org/article/ebf3ae15a9e84a778788a46461d02cbf
Autor:
Rodrigo F. Silva, Edimar DeOliveira, Paulo C. de Sousa Filho, Cláudio R. Neri, Osvaldo A. Serra
Publikováno v:
Química Nova, Vol 34, Iss 5, Pp 759-763 (2011)
CeO2 and mixed CeO2-ZrO2 nanopowders were synthesized and efficiently deposited onto cordierite substrates, with the evaluation of their morphologic and structural properties through XRD, SEM, and FTIR. The modified substrates were employed as outer
Externí odkaz:
https://doaj.org/article/0810d4d88ec2432a8bea853cd90e2cd5
Publikováno v:
Chemical Engineering Journal. 290:454-464
In this study, we propose that ceria-based catalysts are capable to diminish the temperature at which the soot combustion occurs to values within the operation range of diesel engines exhaust gases. We investigated how the addition of 5 wt.% silver n
Autor:
Yassuko Iamamoto, Osvaldo Antonio Serra, Isaltino A. Barbosa, P. C. de Sousa Filho, Ana Paula Ramos, Lucas D. Zanatta, Fabrício B. Zanardi, Lucas B. Bolzon
Publikováno v:
RSC Advances. 6:104886-104896
We have immobilized iron porphyrins on SBA-type mesoporous silica matrixes for application in hydrocarbon oxidation. Understanding the role the silica surface has in this process is crucial when developing biomimetic catalysts with improved activity.
Autor:
Osvaldo Antonio Serra, Priscilla Paiva Luz, Marcella A. M. Lucena, E. Venturini Filho, Ingrid Távora Weber, P. C. de Sousa Filho
Publikováno v:
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Universidade de São Paulo (USP)
instacron:USP
New lanthanide-based luminescent coordination compounds containing thiabendazole (TBZ) as ligand were synthesized. Elemental analysis, mass spectrometry, thermogravimetric analysis and infrared spectroscopy were important for structural elucidation,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6e23535b983732fa7234124fdb678c39
Autor:
Rodrigo Ferreira Silva, Leandro F. Nascimento, P. C. de Sousa Filho, Renata Figueredo Martins, Osvaldo Antonio Serra
Publikováno v:
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Universidade de São Paulo (USP)
instacron:USP
We used ceria-based catalysts to reduce the soot combustion temperature from 600 °C to values included in the operation range of diesel exhausts (270–400 °C). We synthesized CeO2–ZrO2 by the sol–gel method and effectively deposited the mixed