A novel magnetically separable visible-light-photocatalyst, magnetite/N-doped carboxylate-rich carbon spheres (N-MCRCSs), was synthesized by a facile ultrasonic method using the magnetite/carboxylate- rich carbon sp...A novel magnetically separable visible-light-photocatalyst, magnetite/N-doped carboxylate-rich carbon spheres (N-MCRCSs), was synthesized by a facile ultrasonic method using the magnetite/carboxylate- rich carbon spheres (MCRCSs) as precursors. N element has been successfully doped into the MCRCSs in a HN03 aqueous solution via an ultrasonic treatment, which were demonstrated by the FT-IR and XPS. N- MCRCSs exhibit more intensive absorption over MCRCSs in the entire UV and visible region. N-MCRCSs can not only be easily recycled by applying an external magnetic field, but also exhibit powerful visible light photocatalytic activity.展开更多
基金supported by Universities Natural Science Foundation of Jiangsu Province(No.11KJB480001)Jiangsu Natural Science Fund of China(No.BK2012716)+2 种基金Postdoctoral Science Foundation of China(No.2012M520054)Highly Qualified Professional Initial Funding of Jiangsu University (10JDG120)Postdoctoral Foundation of Jiangsu Province (No.1102125C)
文摘A novel magnetically separable visible-light-photocatalyst, magnetite/N-doped carboxylate-rich carbon spheres (N-MCRCSs), was synthesized by a facile ultrasonic method using the magnetite/carboxylate- rich carbon spheres (MCRCSs) as precursors. N element has been successfully doped into the MCRCSs in a HN03 aqueous solution via an ultrasonic treatment, which were demonstrated by the FT-IR and XPS. N- MCRCSs exhibit more intensive absorption over MCRCSs in the entire UV and visible region. N-MCRCSs can not only be easily recycled by applying an external magnetic field, but also exhibit powerful visible light photocatalytic activity.