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首页> 外文期刊>The journal of physical chemistry, C. Nanomaterials and interfaces >Preparation and Photoluminescence Properties of Gd2O3:Eu~(3+) Inverse Opal Photonic Crystals
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Preparation and Photoluminescence Properties of Gd2O3:Eu~(3+) Inverse Opal Photonic Crystals

机译：Gd2O3：Eu〜（3+）反蛋白石光子晶体的制备及光致发光性能

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摘要

Eu~(3+)-doped Gd2O3 inverse opal photonic crystals were successfully synthesized based on a self-assembly technique and a sol—gel method. The inverse opal Gd2O3:Eu~(3+) material exhibited a pronounced photonic stop band in the visible region. The effect of the stop band on the spontaneous emission of Eu~(3+) has been studied. Significant suppression of the emission was observed when the Eu~(3+) ions' emission bands overlapped with the photonic stop band, whereas enhancement of the emission intensity was, detected when the emission bands appeared at the long wavelength edge of the band gap.
机译：基于自组装技术和溶胶-凝胶法成功地合成了掺Eu〜（3+）的Gd2O3反蛋白石光子晶体。反蛋白石Gd2O3：Eu〜（3+）材料在可见光区域表现出明显的光子阻带。研究了阻带对Eu〜（3+）自发发射的影响。当Eu〜（3+）离子的发射带与光子阻带重叠时，观察到发射的显着抑制，而当发射带出现在带隙的长波长边缘时，则检测到发射强度的增强。

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