Zobrazeno 1 - 10
of 60
pro vyhledávání: '"Iran Rocha Segundo"'
Autor:
Élida M. Margalho, Orlando Lima, Cátia Afonso, Iran Rocha Segundo, Salmon Landi, Elisabete Freitas, Manuel F. M. Costa, Joaquim Carneiro
Publikováno v:
Photonics, Vol 11, Iss 9, p 888 (2024)
This study investigates the effect of iron-modified nano-TiO2, using the co-precipitation method with different concentrations of FeCl3 (0.1, 1, and 10%), to improve its photocatalytic properties for outdoor applications. To this end, modified and un
Externí odkaz:
https://doaj.org/article/1bc153d34d504a70843d98b63784e774
Autor:
Nathalia Hammes, José Monteiro, Claver Pinheiro, Helena P. Felgueiras, Graça M. B. Soares, Iran Rocha Segundo, Manuel F. M. Costa, Joaquim Carneiro
Publikováno v:
Applied Sciences, Vol 14, Iss 17, p 8050 (2024)
Urban heat islands (UHI) are a growing issue due to urbanization, causing citizens to suffer from the inadequate thermal properties of building materials. Therefore, the need for climate-resistant infrastructure is crucial for quality of life. Phase
Externí odkaz:
https://doaj.org/article/d1b4b96cd2de488d811626d9941923d5
Autor:
Nathalia Hammes, Claver Pinheiro, Iran Rocha Segundo, Natália Cândido Homem, M. M. Silva, Helena P. Felgueiras, Graça M. B. Soares, Elisabete Freitas, Manuel F. M. Costa, Joaquim Alexandre O. Carneiro
Publikováno v:
Applied Sciences, Vol 14, Iss 6, p 2473 (2024)
Nowadays, the growing concern about improving thermal comfort in different structures (textiles, buildings, and pavements, among others) has stimulated research into phase change materials (PCMs). The direct incorporation of PCMs into composite mater
Externí odkaz:
https://doaj.org/article/d291e7ba03554628babf370186f9c12c
Autor:
Claver Pinheiro, Salmon Landi, Orlando Lima, Larissa Ribas, Nathalia Hammes, Iran Rocha Segundo, Natália Cândido Homem, Verônica Castelo Branco, Elisabete Freitas, Manuel Filipe Costa, Joaquim Carneiro
Publikováno v:
Sensors, Vol 23, Iss 18, p 7741 (2023)
This research presents a dual-pronged bibliometric and systematic review of the integration of phase change materials (PCM) in asphalt pavements to counteract the urban heat island (UHI) effect. The bibliometric approach discerns the evolution of PCM
Externí odkaz:
https://doaj.org/article/5bbb492527af4734ad8cb570780adb9b
Autor:
Cátia Afonso, Orlando Lima, Iran Rocha Segundo, Salmon Landi, Élida Margalho, Natália Homem, Mário Pereira, Manuel F. M. Costa, Elisabete Freitas, Joaquim Carneiro
Publikováno v:
Catalysts, Vol 13, Iss 1, p 58 (2022)
This research reports a simple, innovative, and low-cost doping method of TiO2 nanoparticles presenting the effects of calcination and the weight ratio of TiO2:FeCl3 (1:0.33–1:4.5). The photocatalytic activity of the nanomaterials was investigated
Externí odkaz:
https://doaj.org/article/42f4d7f46db74fc0a2007a588185492c
Autor:
Orlando Lima, Cátia Afonso, Iran Rocha Segundo, Salmon Landi, Natália C. Homem, Elisabete Freitas, Amanda Alcantara, Verônica Castelo Branco, Sandra Soares, Jorge Soares, Vasco Teixeira, Joaquim Carneiro
Publikováno v:
Nanomaterials, Vol 12, Iss 10, p 1678 (2022)
Aging by oxidation of asphalt roadway material promotes changes in its physical, chemical, and rheological properties, affecting its hardening and accelerating the degradation of its corresponding asphalt mixture. Titanium dioxide (TiO2) has been app
Externí odkaz:
https://doaj.org/article/cf3953cc01ed4b11b8638c2e9b1728a2
Autor:
Joaquim O. Carneiro, Artur Ribeiro, Filipe Miranda, Iran Rocha Segundo, Salmon Landi, Vasco Teixeira, Manuel F. M. Costa
Publikováno v:
Sensors, Vol 21, Iss 21, p 7317 (2021)
This work describes the development of a capacitive-type sensor created from nanoporous anodic aluminium oxide (NP-AAO) prepared by the one-step anodization method conducted in potentiostatic mode and performed in a low-cost homemade system. A series
Externí odkaz:
https://doaj.org/article/8cfdbbd78dad43039be1f8ddaa7aa480
Autor:
Behzad Zahabizadeh, Iran Rocha Segundo, João Pereira, Elisabete Freitas, Aires Camões, Carlos J. Tavares, Vasco Teixeira, Vítor M. C. F. Cunha, Manuel F. M. Costa, Joaquim O. Carneiro
Publikováno v:
Buildings, Vol 11, Iss 9, p 381 (2021)
This work evaluated the photocatalytic activity of 3D-printed cementitious mortar specimens functionalized with TiO2 nanoparticles to obtain a multifunctional and smart concrete. This research aims to assess the influence of different parameters rela
Externí odkaz:
https://doaj.org/article/c3267511e2734c2d9c12516c2d130493
Autor:
Iran Rocha Segundo, Cátia Afonso, Orlando Lima, Salmon Landi, Elisabete Freitas, Joaquim O. Carneiro
Publikováno v:
Roads and Airports Pavement Surface Characteristics ISBN: 9781003429258
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::82552cc6a3dd858e3a52ddd32a12e96b
https://doi.org/10.1201/9781003429258-34
https://doi.org/10.1201/9781003429258-34
Autor:
Davide Silva, Salmon Landi, Iran Rocha Segundo, Cátia Afonso, Filipa Fernandes, Eloiza da Silva Nunes, Vasco Teixeira, Jéferson Aparecido Moreto, Joaquim Carneiro
Publikováno v:
Journal of Materials Science. 57:8464-8480
The pollution caused by oil and its toxic derivatives presents a considerable risk to the public health and the environment. This work is devoted to the study of the influence of TiO2 nanoparticles immobilized on three types of textiles materials (Co