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首页> 外文期刊>Journal of Nanoelectronics and Optoelectronics >Effect of Laser Exposure on Structural and Optical Properties of CdO and Li Doped CdO Nano Structured Thin Film Synthesized by Sol Gel Method
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Effect of Laser Exposure on Structural and Optical Properties of CdO and Li Doped CdO Nano Structured Thin Film Synthesized by Sol Gel Method

机译：激光照射对溶胶凝胶法合成CdO和掺Li的CdO纳米结构薄膜结构和光学性能的影响

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摘要

Nano structured thin film of CdO and Li doped CdO have been synthesized by sol-gel spin-coating method on amorphous glass substrates. The samples were irradiated with laser beam from pulsed Q-switched Nd:YAG laser of pulse width of 7 ns and repetition rate of 10 Hz at wavelength of 1064 nm. Effect of laser irradiation on structural and optical properties of these samples was investigated. The laser irradiation effect on morphology and microstructure was carried out with scanning microscope (SEM) and XRD respectively. Grain sizes were calculated with Scherrer formula. Optical properties were investigated via absorption, photoluminescence, calculation of bad gap and refractive indices. Agglomerations of nano particles are observed in SEM images after laser irradiation.
机译：通过溶胶-凝胶旋涂法在非晶态玻璃基板上合成了CdO和Li掺杂CdO纳米结构薄膜。用脉冲调Q开关Nd：YAG激光在1064 nm波长下以7 ns的脉冲宽度和10 Hz的重复频率照射激光束。研究了激光辐照对这些样品的结构和光学性质的影响。分别用扫描显微镜（SEM）和XRD对激光辐照对形貌和微观结构的影响。晶粒尺寸用Scherrer公式计算。通过吸收，光致发光，不良间隙和折射率的计算来研究光学性质。激光照射后，在SEM图像中观察到纳米颗粒的团聚。

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