Výsledky vyhledávání - "Joyce R. Araujo"

Polymeric nanowrinkles: surface modification of polypropylene films in the VUV energy range

Autor: Thiago A. Cacuro, Joyce R. Araujo, Douglas Galante, Manoel Gustavo P. Homem, Carlos A. R. Costa, Sandra Andrea Cruz, Walter R. Waldman, Evandro M. Lanzoni, Lays B. Fitaroni

Publikováno v: Journal of Materials Science. 56:9532-9543

The development of strategies for shape-programming polymer materials has been considerably growing. This is due to the possibility of shifting two to three-dimensional shapes producing nanotexturing, such as nanowrinkles. In this work, nanowrinkle p

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8f6934272450a8dc84ebf016b7262ff8
https://doi.org/10.1007/s10853-021-05879-1

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Key parameters to enhance the antibacterial effect of graphene oxide in solution

Autor: Carlos A. Achete, K. L. S. Castro, Jose Luis Sanchez-Salas, Grecia Guadalupe Montes-Duarte, Guillermo Tostado-Blázquez, Joyce R. Araujo, Jessica Campos-Delgado

Publikováno v: RSC Advances. 11:6509-6516

Graphene oxide (GO) has lately become an interesting biomaterial due to its stunning properties and versatility, its claimed antimicrobial activity holds promise for potential health applications. Nonetheless, multiple reports investigating GO antiba

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f1c76afc45078091dd4fb9d633d69bc2
https://doi.org/10.1039/d0ra07945f

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Graphene as interface modifier in ITO and ITO-Cr electrodes

Autor: Joyce R. Araujo, Rodrigo B. Capaz, Leticia A. Silva, Alexander M. Silva, Rafael V. Curti, Sanair M. Oliveira, Jéssica M.M. Luzardo, Rogerio Valaski

Publikováno v: Current Applied Physics. 20:846-852

We explore graphene as interface modifier for electrodes in optoelectronic organic devices by measuring the electrical properties of ITO/graphene and ITO/Cr/graphene. For this purpose, exfoliated graphene (EG) was electrochemically synthesized and de

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4899d91c19dd5e82d48d2589638904f3
https://doi.org/10.1016/j.cap.2020.04.004

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Nitrogenated derivatives of furfural as green corrosion inhibitors for mild steel in HCl solution

Autor: Tayane A.S. Guimarães, Jéssica Nogueira da Cunha, Gustavo A. de Oliveira, Joyce R. Araujo, Eliane D'Elia, Talis Uelisson da Silva, Sanair Massafra de Oliveira, Michelle J. C. Rezende, Sergio Machado

Publikováno v: Journal of Materials Research and Technology, Vol 9, Iss 4, Pp 7104-7122 (2020)

The ability of nitrogenated derivatives of furfural to act as corrosion inhibitors for mild steel in 1 mol L−1 HCl solution was evaluated using weight-loss measurements, potentiodynamic polarization curves and electrochemical impedance spectroscopy

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9ee5b2ac2997ba9e40a9f9c1cd73da98
https://doi.org/10.1016/j.jmrt.2020.05.019

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Ziziphus joazeiro Stem Bark Extract as a Green Corrosion Inhibitor for Mild Steel in Acid Medium

Autor: Francisco Odencio Rodrigues de Oliveira Junior, Sergio Machado, Rafael Garrett, Sanair de Oliveira Massafra, Eliane D'Elia, Joyce R. Araujo, Talis Uelisson da Silva, Bernardo Dias Ribeiro, Ricardo Moreira Borges, Aparecida Cristina Mauro

Publikováno v: Processes
Volume 9
Issue 8
Processes, Vol 9, Iss 1323, p 1323 (2021)

The aqueous extract of Joazeiro stem bark (EJSB) and its high molecular weight fraction (HMWF) were examined as potential corrosion inhibitors of mild steel in 1 mol L−1 hydrochloric acid media, using weight-loss measurements, potentiodynamic polar

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Effect of HMVF and LMVF layers thickness and annealing on the optical properties of Ti-Si-O-N films for mid-temperature solar thermal absorbers

Autor: Braulio S. Archanjo, Joyce R. Araujo, Felipe S. Alencastro, M.E. Mendoza, Renata Antoun Simão

Publikováno v: Solar Energy. 189:318-324

Stability upon heat treatment of magnetron sputtered Ti-SiO2 solar-absorbing cermet thin films was studied via TEM and XPS. The films, produced using Ti and SiO2 targets, consists of an infrared-reflective metallic base layer (or metallic substrate),

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::55db5f32e2fcb3c7e1ee3923fee47a95
https://doi.org/10.1016/j.solener.2019.07.084

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Cross-linked lignin coatings produced by UV light and SF6 plasma treatments

Autor: José Roberto Brito de Souza, Braulio S. Archanjo, Renata Antoun Simão, Joyce R. Araujo

Publikováno v: Progress in Organic Coatings. 128:82-89

Lignin is one of the most abundant macromolecules in vascular plants and has been studied for many years due to its high availability and low cost, regarding that lignin is the main by-product of the paper pulping process, and also typically burned a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9c0d4ca89922d9659c4635d2bc12a599
https://doi.org/10.1016/j.porgcoat.2018.12.017

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Synthesis, Characterization, and Application of Europium(III) Complexes as Luminescent Markers of Banknotes

Autor: Wanderson Romão, Joyce R. Araujo, Valdemar Lacerda, Elias M. da Silva, Victor Fonseca, Clebson J. Macrino, Álvaro Cunha Neto, Victor R. Cunha

Publikováno v: Journal of the Brazilian Chemical Society.

In this work, three complexes were synthesized from the trivalent europium ion (EuIII), using the picrate anion (pic), and delta-valerolactam (DVL), epsilon-caprolactam (EPK), and oenantholactam (OEN). The synthesized complexes [Eu(pic)3∙(DVL)3], [

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::622a24ee13702897c0b12086baf23889
https://doi.org/10.21577/0103-5053.20210010

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