Journal
MICRO & NANO LETTERS
Volume 10, Issue 9, Pages 432-434Publisher
INST ENGINEERING TECHNOLOGY-IET
DOI: 10.1049/mnl.2015.0130
Keywords
zinc compounds; nitrogen; II-VI semiconductors; wide band gap semiconductors; nanoparticles; nanofabrication; semiconductor growth; photochemistry; catalysis; X-ray diffraction; scanning electron microscopy; X-ray photoelectron spectra; ultraviolet spectra; visible spectra; reflectivity; ZnO:N; industrial application; photogenerated carrier separation; visible-light absorption ability; solar light simulation; methylene blue; Rhodamine B; liquid-phase degradation; ultraviolet-vis diffuse reflectance; XPS; X-ray photoelectron spectroscopy; SEM; scanning electron microscopy; XRD; X-ray diffraction; ammonia-assisted hydrothermal method; enhanced photocatalytic performance; nitrogen-doped zinc oxide nanoparticle fabrication
Funding
- National Basic Research Program of China (973 Program) [2011CB013404]
- National Natural Science Foundation of China [51275105, 51375106]
- Fundamental Research Funds for the Central Universities [HEUCF]
- Application Technology Research and Development Project of Harbin City [2013AA7BG025]
- Application Technology Research and Development Projects of Heilongjiang Province [GC13A103]
- Science and Technology Research Projects of Harbin City [2014AB4BG061]
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Nitrogen (N)-doped zinc oxide (ZnO) particles were successfully synthesised by a simple and economical ammonia-assisted hydrothermal method. The samples were characterised by X-ray diffraction, scanning electron microscopy, X-ray photoelectron spectroscopy and ultraviolet-vis diffuse reflectance. It was found that N-doped ZnO exhibited higher photocatalytic activity than commercial Degussa P25 towards the liquid-phase degradation of Rhodamine B and methylene blue under simulation of solar light. The authors attribute these results to enhanced visible-light absorption ability and efficient separation of photogenerated carriers. The authors hope that this study provides valuable information on the design of specific ZnO photocatalytic materials for further industrial application.
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