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Effect of the toluene content on the preparation of Mg(Al,Y)2O4:Cr3+ nanopowders by Pechini-type hydrothermal process
Nano-Structures & Nano-Objects Pub Date : 2021-04-29 , DOI: 10.1016/j.nanoso.2021.100752
Shen Wang , Yibo Zhang , Yan Hao

Cr3+ doped magnesia aluminum spinel has potential applications in the fields of sensing, scintillator and laser. The structure, morphology, photoluminescence and diffuse reflection spectra of Mg(Al,Y)2O4:Cr3+ were examined as a function of toluene content during the Pechini-type hydrothermal process. Toluene solvent changed the microstructure of Mg(Al,Y)2O4:Cr3+ nanopowders, especially for the ratio of Al:Mg in the sample. Toluene also improved the agglomeration of nanopowders, and the luminescent intensity of the sample prepared with 60% and 75% toluene was enhanced by 16%.



中文翻译:

甲苯含量对Pechini型水热法制备Mg(Al,Y)2 O 4:Cr 3+纳米粉的影响

Cr 3+掺杂的镁铝尖晶石在传感,闪烁体和激光领域具有潜在的应用。在Pechini型水热过程中,研究了Mg(Al,Y)2 O 4:Cr 3+的结构,形态,光致发光和漫反射光谱,这是甲苯含量的函数。甲苯溶剂改变了Mg(Al,Y)2 O 4:Cr 3+纳米粉的微观结构,特别是改变了样品中Al:Mg的比例。甲苯还改善了纳米粉的团聚,用60%和75%甲苯制备的样品的发光强度提高了16%。

更新日期:2021-04-29
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