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Synthesis of Mg-dop...
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Adam, Rania Elhadi,1978-Linköpings universitet,Fysik, elektroteknik och matematik,Tekniska fakulteten
(author)
Synthesis of Mg-doped ZnO NPs via a chemical low-temperature method and investigation of the efficient photocatalytic activity for the degradation of dyes under solar light
- Article/chapterEnglish2020
Publisher, publication year, extent ...
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Elsevier,2020
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printrdacarrier
Numbers
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LIBRIS-ID:oai:DiVA.org:liu-164333
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https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-164333URI
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https://doi.org/10.1016/j.solidstatesciences.2019.106053DOI
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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Doped semiconductors nanostructures (NSs) have shown great interest as a potential for green and efficient photocatalysis activities. Magnesium (Mg)-doped zinc oxide (ZnO) nanoparticles (NPs) has been synthesized by a one-step chemical low temperature (60 °C) co-precipitation method without further calcination and their photocatalytic performance for photodegradation of Methylene blue (MB) dye under the illumination of solar light is investigated. The crystal structure of the synthesized NPs is examined by X-ray diffraction (XRD). XRD data indicates a slight shift towards higher 2θ angle in Mg-doped samples as compared to the pure ZnO NPs which suggest the incorporation of Mg2+ into ZnO crystal lattice. X-ray photoelectron spectroscopy (XPS), UV–Vis spectrophotometer and cathodoluminescence (CL) spectroscopy, were used to study electronics, and optical properties, respectively. The XPS analysis confirms the substitution of the Zn2+ by the Mg2+ into the ZnO crystal lattice in agreement with the XRD data. The photocatalytic activities showed a significant enhancement of the Mg-doped ZnO NPs in comparison with pure ZnO NPs. Hole/radical scavengers were used to reveal the mechanism of the photodegradation. It was found that the addition of the Mg to the ZnO lattices increases the absorption of the hydroxyl ions at the surface of the NPs and hence acts as a trap site leading to decrease the electron-hole pair and consequently enhancing the photodegradation.
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Alnoor, Hatim,1979-Linköpings universitet,Institutionen för teknik och naturvetenskap,Tekniska fakulteten(Swepub:liu)hatal08
(author)
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Pozina, Galia,1966-Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten(Swepub:liu)galpo50
(author)
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Liu, Xianjie,Ph.D.1971-Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten(Swepub:liu)xiali21
(author)
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Willander, Magnus,1948-Linköpings universitet,Tekniska fakulteten,Fysik, elektroteknik och matematik(Swepub:liu)magwi72
(author)
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Nur, Omer,Associate professor,1959-Linköpings universitet,Tekniska fakulteten,Fysik, elektroteknik och matematik(Swepub:liu)omeno75
(author)
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Linköpings universitetFysik, elektroteknik och matematik
(creator_code:org_t)
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In:Solid State Sciences: Elsevier991293-25581873-3085
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Liu, Xianjie, Ph ...
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Nur, Omer, Assoc ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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Solid State Scie ...
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Linköping University