Zobrazeno 1 - 10
of 358
pro vyhledávání: '"José L. Figueiredo"'
Publikováno v:
C, Vol 10, Iss 2, p 47 (2024)
Glucose-derived carbon hybrids were synthesized by hydrothermal treatment in the presence of oxidized carbon nanotubes. Additionally, iron and nitrogen functionalities were incorporated into the carbon structure using different methodologies. The int
Externí odkaz:
https://doaj.org/article/958b93e05b224dfcbf85693fd22a0518
Autor:
Olívia Salomé G. P. Soares, Raquel P. Rocha, José J. M. Órfão, Manuel Fernando R. Pereira, José L. Figueiredo
Publikováno v:
C, Vol 5, Iss 2, p 30 (2019)
The texture and the surface chemistry of carbon nanotubes (CNTs) were modified using a solvent-free methodology involving a ball-milling mechanical treatment and thermal treatment under nitrogen in the presence of adequate precursors (melamine, sodiu
Externí odkaz:
https://doaj.org/article/0dd4728b840441d7ae6f4eec6d5b1ea2
Publikováno v:
Química Nova, Vol 36, Iss 8, Pp 1176-1193 (2013)
Water electrolysis is one of the simplest methods used for hydrogen production. It has the advantage of being able to produce hydrogen using only renewable energy. To expand the use of water electrolysis, it is mandatory to reduce energy consumption,
Externí odkaz:
https://doaj.org/article/66459bb40d4e4acf87e1d0dfc9b11a55
Publikováno v:
C, Vol 2, Iss 3, p 17 (2016)
The application of carbon nanotubes (CNTs) as metal-free catalysts is a novel approach for heterogeneous liquid phase catalytic systems. Textural and chemical modifications by liquid/gas phase or mechanical treatments, as well as solid state reaction
Externí odkaz:
https://doaj.org/article/3db2d5742c6541c5a9dcc99cb84e5fc1
Publikováno v:
Catalysis Today. 418:114136
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f693273190c21e168a64d65766ac0d2d
https://doi.org/10.1016/j.cattod.2023.114136
https://doi.org/10.1016/j.cattod.2023.114136
Autor:
Armando J. L. Pombeiro, E. Kolobova, Alexey Pestryakov, Ana P. C. Ribeiro, Ekaterina Pakrieva, Luísa M. D. R. S. Martins, José L. Figueiredo, Sónia A. C. Carabineiro, Inês A. S. Matias
Publikováno v:
Catalysis Today. 357:39-45
The commercial dichloro(2-pyridinecarboxylato)gold(III) complex (1), anchored on different carbon materials, is reported for the first time as a catalyst in the cyclohexane hydrocarboxylation to cyclohexanecarboxylic acid. The reaction was carried ou
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b7142eb8705b0e5ddc979ca2d85740a0
https://doi.org/10.1016/j.cattod.2019.05.050
https://doi.org/10.1016/j.cattod.2019.05.050
Publikováno v:
Journal of Energy Chemistry. 50:260-270
Glucose-derived carbons were prepared by hydrothermal carbonization of glucose followed by carbonization or activation to obtain carbon materials with different microporosities. These microporous carbons and carbon nanotubes (CNTs) were functionalize
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::edcdc634bb68872046822f58ec0c8e4b
https://doi.org/10.1016/j.jechem.2020.03.039
https://doi.org/10.1016/j.jechem.2020.03.039
Publikováno v:
Catalysis Today. 356:189-196
Metal-free carbon materials can provide an alternative to replace the traditional metal-based catalysts used in Catalytic Wet Air Oxidation (CWAO). The discovery and synthesis of novel carbon allotropes (carbon nanofibers, nanotubes, graphene-based m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0289f4284e6e91ab96af61ca203a5453
https://doi.org/10.1016/j.cattod.2019.04.047
https://doi.org/10.1016/j.cattod.2019.04.047
Autor:
Fábio M. S. Rodrigues, Carlos J. P. Monteiro, Mariette M. Pereira, Teresa M. R. Maria, Mário J. F. Calvete, Sónia A. C. Carabineiro, José L. Figueiredo
Publikováno v:
Catalysis Today. 356:456-463
This paper describes a new efficient synthetic methodology to prepare Rh/phosphine functionalized carbon nanotubes and iron oxide magnetic nanoparticles via hydroaminomethylation reaction. These hybrid nanomaterials were fully characterized and evalu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f13d02d99d3bfb4b75c78efc7a391d2a
https://doi.org/10.1016/j.cattod.2019.05.045
https://doi.org/10.1016/j.cattod.2019.05.045
Publikováno v:
Environmental Technology. 42:2504-2515
Ceramic honeycomb monoliths were washcoated with cryptomelane-type manganese oxides and their catalytic performance was evaluated in the oxidation of ethyl acetate. The effect of a mixture of ethyl acetate with toluene and of the presence of water va
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3ebffdd476415442951150c99d0cb5e6
https://doi.org/10.1080/09593330.2019.1705398
https://doi.org/10.1080/09593330.2019.1705398