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Temperature-dependent emission shifts of peanutlike ZnO microrods synthesized by a hydrothermal method

机译:水热法合成花生状ZnO微棒的温度依赖性发射位移

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Photoluminescence (PL) properties of the peanutlike ZnO microrods synthesized by a hydrothermal method were studied in the temperature range of 8-300 K. UV, violet, and green peaks, which exhibit blue, S-shaped (red-blue-red), and redshifts, respectively, and the intensity decrease, with an increase of the test temperature, are observed in the PL spectrum. The existence of V-o and Zn-i in these microrods is confirmed by X-ray electron spectrometry and electron paramagnetic resonance spectrum, respectively. The origin and different temperature dependence of the UV, violet, and green peaks are discussed.
机译:研究了在8-300 K的温度范围内通过水热法合成的花生状ZnO微棒的光致发光(PL)特性。UV,紫色和绿色峰呈现蓝色,S形(红色-蓝色-红色),在PL光谱中观察到,随着测试温度的升高,强度分别降低了1、2和3倍,并且强度降低。这些微棒中V-o和Zn-i的存在分别通过X射线电子能谱和电子顺磁共振谱确认。讨论了UV,紫色和绿色峰的起源和不同的温度依赖性。

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