The Co_(3)O_(4) decorated TiO_(2) nanotube arrays(NTAs)coatings are fabricated by the combination of anodization and impregnating methods.It is found that the introduction of Co_(3)O_(4) can reduce the diffraction int...The Co_(3)O_(4) decorated TiO_(2) nanotube arrays(NTAs)coatings are fabricated by the combination of anodization and impregnating methods.It is found that the introduction of Co_(3)O_(4) can reduce the diffraction intensity of(101)plane of the TiO_(2) and accelerate the separation of photogenerated electron/hole pairs.In addition,the open circuit potential(OCP)and the corrosion potential of 304 stainless steel(304SS)with or without Co_(3)O_(4) decorated TiO_(2) NTAs were measured under visible light,which indicated the 304SS coupled with Co_(3)O_(4) decorated TiO_(2) NTAs had better anticorrosion performance than that of the 304SS or the 304SS coupled with pure TiO_(2) NTAs.The enhancement of the cathodic protection performance of the Co_(3)O_(4) decorated TiO_(2) NTAs can be ascribed to the matched energy levels and strong interaction between Co_(3)O_(4) and TiO_(2) NTAs,and the improvement of light absorption.展开更多
基金This work was supported by the National Natural Science Foundation of China(Nos.21875026,21878031)the Revitalization Talents Program of China(No.XLYC1802124)+1 种基金the Liaoning BaiQianWan Talents Program,China,the Scientific Research Fund of the Educational Department of Liaoning Province,China(No.J2019013)the Joint Research Fund of Liaoning-Shenyang National Laboratory for Materials Science,China(No.2019JH3/30100034).
文摘The Co_(3)O_(4) decorated TiO_(2) nanotube arrays(NTAs)coatings are fabricated by the combination of anodization and impregnating methods.It is found that the introduction of Co_(3)O_(4) can reduce the diffraction intensity of(101)plane of the TiO_(2) and accelerate the separation of photogenerated electron/hole pairs.In addition,the open circuit potential(OCP)and the corrosion potential of 304 stainless steel(304SS)with or without Co_(3)O_(4) decorated TiO_(2) NTAs were measured under visible light,which indicated the 304SS coupled with Co_(3)O_(4) decorated TiO_(2) NTAs had better anticorrosion performance than that of the 304SS or the 304SS coupled with pure TiO_(2) NTAs.The enhancement of the cathodic protection performance of the Co_(3)O_(4) decorated TiO_(2) NTAs can be ascribed to the matched energy levels and strong interaction between Co_(3)O_(4) and TiO_(2) NTAs,and the improvement of light absorption.
