Abstract
In order to utilize visible light more efficiently in the photocatalytic reaction, N-doped TiO 2 (N-TiO 2) nanoparticles sensitized by Zn porphyrin including [tetrakis(4-carboxyphenyl)porphyrinato]zinc(II) (ZnTCPP) and [tetraphenyl-porphyrinato]zinc(II) (ZnTPP) were prepared, and characterized by X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), atomic absorption spectrometry (AAS), Fourier transform infrared spectroscopy (FT-IR) and UV–vis spectroscopy, etc. The characterization results show that the ZnTCPP is chemisorbed on the surface of TiO 2 through an O C O Ti bond; while the ZnTPP is physically adsorbed. N-TiO 2 sensitized by Zn porphyrin exhibits higher absorption in the visible-light region and photocatalytic degradation efficiency of methylene blue under visible-light irradiation than N-TiO 2 and TiO 2 sensitized by ZnTCPP. Moreover, their visible-light photocatalytic mechanism was discussed.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
