Effect of magnesium doping on the structure, optical properties and photocatalytic efficiency of ZnO nanostructures deposited by atmospheric pressure MOCVD

被引：1
|
作者：
Ievtushenko, Arsenii [1 ]
Karpyna, Vitalii [1 ]
Myroniuk, Liliia [1 ]
Myroniuk, Denys [1 ]
Petrosian, Larisa [1 ]
Olifan, Olena [1 ]
Kolomys, Oleksandr [2 ]
Strelchuk, Victor [2 ]
机构：
[1] NAS Ukraine, IM Frantsevich Inst Problems Mat Sci, 3 Pritsaka St, UA-03142 Kiev, Ukraine
[2] NAS Ukraine, V Ye Lashkaryov Inst Semicond Phys, 45 Nauky Ave, UA-03028 Kiev, Ukraine
来源：
CHEMICAL PHYSICS LETTERS | 2024年 / 857卷
关键词：
Mg-doped ZnO; MOCVD; Nanostructures; Photoluminescence; Photocatalysis; RAMAN-SCATTERING; PHOTOLUMINESCENCE; NANOPARTICLES;
D O I：
10.1016/j.cplett.2024.141720
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
ZnO nanostructures doped by magnesium impurity were grown on Si substrates by atmospheric pressure MOCVD deposition using Zn and Mg acetylacetonates as initial precursors. XRD patterns confirm the successful incorporation of Mg ions into ZnO lattice. Room-temperature photoluminescence spectra of Mg-doped ZnO nano- structures demonstrate near-band edge emission and visible deep-level emission with ratios 2.9, 1.3 and 0.3 correspondingly for 1, 2.4 and 5.7 at. % of Mg in ZnO nanostructures. Raman measurements showed decreasing in intensity for ZnO modes with increasing Mg content. The best photodegradation rate constant was observed for ZnO NS with 2.4 at. % of Mg.
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页数：6
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