N-doped TiO2 nanoparticles obtained by a facile coprecipitation method at low temperature
N-doped TiO2 nanoparticles (NPs) were synthesized using a facile synthesis route by coprecipitation method. The effect of the HNO3 volume and calcination temperature on the structural, morphological, optical and surface properties of the N-doped TiO2 NPs was studied. X-ray diffraction analysis showe...
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Published in: | Ceramics international Vol. 44; no. 5; pp. 5273 - 5283 |
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Main Authors: | , , , , , |
Format: | Journal Article |
Language: | English |
Published: |
Elsevier Ltd
01-04-2018
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Subjects: | |
Online Access: | Get full text |
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Summary: | N-doped TiO2 nanoparticles (NPs) were synthesized using a facile synthesis route by coprecipitation method. The effect of the HNO3 volume and calcination temperature on the structural, morphological, optical and surface properties of the N-doped TiO2 NPs was studied. X-ray diffraction analysis showed particles of nanometric size (< 16nm), which are consistent with HR-TEM micrographs. A slight shift of the absorption edge to higher wavelengths is observed as the HNO3 volume and calcination temperature increases. Both X-ray photoelectron spectroscopy (XPS) and Fourier transform infrared spectroscopy (FT-IR) show the presence and stability of nitrogen in the N-doped TiO2 structure. The photocatalytic activity of the N-doped TiO2 NPs was assessed by testing the degradation of rhodamine B (RhB) under ultraviolet (UV) and visible light. |
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ISSN: | 0272-8842 1873-3956 |
DOI: | 10.1016/j.ceramint.2017.12.140 |