期刊
JOURNAL OF ASIAN CERAMIC SOCIETIES
卷 3, 期 3, 页码 305-310出版社
TAYLOR & FRANCIS LTD
DOI: 10.1016/j.jascer.2015.06.002
关键词
Nanoparticles; Raman; X-ray techniques; Visible light; N-doped ZnO; Photocatalytic activity
Pure and Nitrogen (N)-doped ZnO nanospheres were successfully prepared using microemulsion method. X-ray diffraction (XRD) study indicates formation of nanosized N-doped ZnO with wurtzite phase. Nitrogen incorporation into oxygen site of ZnO causes lattice compression and small peak shift toward lower 20 value. Raman and Fourier transform infrared (FTIR) measurements revealed the presence of N in ZnO lattice. Scanning electron microscopy (FESEM) study revealed spherical morphology of pure and N-doped ZnO samples. UV-visible spectra show that N-doping significantly enhanced the light absorption capacity of ZnO in the visible region. N-doped ZnO exhibits higher photocatalytic activity compared with that of commercial and pure ZnO nanoparticles. As prepared nanosized N-doped ZnO photocatalyst is highly stable and reusable. (C) 2015 The Ceramic Society of Japan and the Korean Ceramic Society. Production and hosting by Elsevier B.V. All rights reserved.
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