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Journal of Materials Science: Materials in Electronics
Erschienen in: Journal of Materials Science: Materials in Electronics 2/2020

26.11.2019

Facile synthesis of Pr-doped ZnO photocatalyst using sol–gel method and its visible light photocatalytic activity

verfasst von: Irshad Ahmad, Muhammad Shoaib Akhtar, Ejaz Ahmed, Mukhtar Ahmad

Erschienen in: Journal of Materials Science: Materials in Electronics | Ausgabe 2/2020

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Abstract

In the present research, pristine ZnO and praseodymium (Pr)-doped ZnO (Pr0.02Zn0.98O,Pr0.04Zn0.96O) nanoparticles were synthesized using sol–gel method for photocatalytic degradation of methyl orange (MO) dye under visible light illumination. The structure of the designed nanoparticles was shown by XRD to be hexagonal wurtzite structure with no spurious peaks. The EDS was used to authenticate the existence of dopant with elemental composition. Enhanced optical absorption in the visible region was observed by DRS study. The photocatalytic test revealed that Pr0.04Zn0.96O demonstrated the excellent photocatalytic performance for MO degradation under visible light illumination. Electrochemical impedance spectroscopy under visible light illumination verified the increased photocatalytic activity of Pr0.04Zn0.96O photocatalyst. These results identify that introduction of Pr-doped ZnO nanoparticles enhanced the visible light active degradation activity due to inhibition of electron–hole recombination, thereby enhancing the optical response of ZnO to visible region.
Vorheriger Artikel Physicochemical properties of La3+-doped TiO2 monolith prepared by sol–gel approach: application to adsorption and solar photodegradation of ibuprofen
Nächster Artikel Graphene oxide–silver nanocomposite SERS substrate for sensitive detection of nitro explosives

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Metadaten
Titel
Facile synthesis of Pr-doped ZnO photocatalyst using sol–gel method and its visible light photocatalytic activity
verfasst von
Irshad Ahmad
Muhammad Shoaib Akhtar
Ejaz Ahmed
Mukhtar Ahmad
Publikationsdatum
26.11.2019
Verlag
Springer US
Erschienen in
Journal of Materials Science: Materials in Electronics / Ausgabe 2/2020
Print ISSN: 0957-4522
Elektronische ISSN: 1573-482X
DOI
https://doi.org/10.1007/s10854-019-02620-2

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