Electrochemical alternative to obtain reduced graphene oxide by pulse potential: Effect of synthesis parameters and study of corrosion properties
Por:
López-Oyama A.B., Domínguez-Crespo M.A., Torres-Huerta A.M., Onofre-Bustamante E., Gámez-Corrales R., Cayetano-Castro N.
Publicada:
1 ene 2018
Resumen:
Two methods to form reduced graphene oxide (rGO) coatings are proposed as simple, rapid and reproducible alternatives to protect 304 L SS substrates. The first route combines traditional Hummers' modified method and pulse electrodeposition technique (-1.6 and -2 VSCE) whereas with the second one, reduction is obtained by applying the potentiostatic method (-1 to -4 VSCE) in a solution containing graphite + H2SO4. The electrochemical results show that ERGO coatings can properly protect metallic substrates only when they are obtained with an applied potential of -4 VSCE. To carry out this process, strong oxidants, extensive water amounts and long reaction times are avoided. © 2018
Filiaciones:
López-Oyama A.B.:
Instituto Politécnico Nacional, CICATA-Altamira, Grupo CIAMS, Km 14.5, Carretera Tampico-Puerto Industrial Altamira, Altamira, Tamaulipas, Mexico
CONACYT – CICATA-Altamira, Carretera Tampico-Puerto Industrial Altamira, Altamira, Tamaulipas, Mexico
Domínguez-Crespo M.A.:
Instituto Politécnico Nacional, CICATA-Altamira, Grupo CIAMS, Km 14.5, Carretera Tampico-Puerto Industrial Altamira, Altamira, Tamaulipas, Mexico
Torres-Huerta A.M.:
Instituto Politécnico Nacional, CICATA-Altamira, Grupo CIAMS, Km 14.5, Carretera Tampico-Puerto Industrial Altamira, Altamira, Tamaulipas, Mexico
Onofre-Bustamante E.:
Instituto Politécnico Nacional, CICATA-Altamira, Grupo CIAMS, Km 14.5, Carretera Tampico-Puerto Industrial Altamira, Altamira, Tamaulipas, Mexico
Gámez-Corrales R.:
Universidad de Sonora, Blvd. Rodríguez y Rosales S/N, Hermosillo, Sonora, Mexico
Cayetano-Castro N.:
Instituto Politécnico Nacional, Centro de Nanociencias Micro y Nanotecnologías, México, D.F., Mexico
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