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A facile route to synthesize luminescent YVO_4:Eu~(3+) porous nanoplates

机译:合成发光YVO_4:Eu〜(3+)多孔纳米板的简便方法

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摘要

Porous nanoplates made of yttrium orthovanadate doped with europeum (YVO_4:Eu~(3+)) have been success_fully synthesized via a chemical co-precipitation method using NH_4V0_3, Y_20_3, Eu_20_3 and ethylene glycol. To investigate the effect of temperature on the pore size and morphology of the final product, the as-syn_thesized YVO_4:Eu~(3+) nanoplates were subjected to heat treatment at 300 and 600 °C for 2 h. The obtained samples were characterized by X-ray diffractometion, Fourier-transform infrared spectroscopy, transmis_sion electron microscopy, high-resolution transmission electron microscopy and photoluminescence spectroscopy. The experimental results showed that the luminescent properties were significantly enhanced with increasing pore size of the YVO_4:Eu~(3+) porous nanoplates.
机译:通过化学共沉淀法,使用NH_4V0_3,Y_20_3,Eu_20_3和乙二醇,通过化学共沉淀法成功合成了由掺杂有欧洲菊的原钒酸钇制成的多孔纳米板(YVO_4:Eu〜(3+))。为了研究温度对最终产物的孔径和形貌的影响,将合成后的YVO_4:Eu〜(3+)纳米板在300和600°C热处理2 h。通过X射线衍射,傅立叶变换红外光谱,透射电子显微镜,高分辨率透射电子显微镜和光致发光光谱对所得样品进行表征。实验结果表明,随着YVO_4:Eu〜(3+)多孔纳米板孔径的增加,发光性能显着增强。

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