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首页> 外文期刊>Optical and Quantum Electronics >Assessment of performance based on structure, dielectric and linear/nonlinear optical properties of PVA/CMC/PVP blends loaded with ZnS/Co
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Assessment of performance based on structure, dielectric and linear/nonlinear optical properties of PVA/CMC/PVP blends loaded with ZnS/Co

机译：Assessment of performance based on structure, dielectric and linear/nonlinear optical properties of PVA/CMC/PVP blends loaded with ZnS/Co

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Abstract Undoped and doped PVA/CMC/PVP polymer blends with ZnS/Co were fabricated. The effect of the calcination temperature (300, 400, 500 °C) of the nanofiller on the structure and morphology of the formed blends was explored using X-ray diffraction, Fourier transform infrared and scanning electron microscope techniques. The possibility of used the doped blend as UV-blocking materials were examined. The direct and indirect optical band gaps of the blend were reduced from 5.27 and 4.99 eV to minimum values 4.39 and 4.22 eV, respectively, as it doped with ZnS/Co (300 °C). The influence of the calcination temperature of the nanofiller on the linear and nonlinear optical parameters of the blend were explored. The refractive index exhibited a highest value as the blend loaded with ZnS/Co (400 and 500 °C). The emitted colors and their intensities affected by the nanofiller calcination temperature and the excitation wavelength. As the blend doped with ZnS/Co, real part of the dielectric constant reduced except blend doped with ZnS/Co (300 °C), it increased. The doped blend's ac conductivity increased as it doped with ZnS/Co prepared at 400 and 500 °C and slightly changed when loaded with ZnS/Co prepared at 300 °C. Electric modulus increased as the blend loaded with ZnS/Co formed at 400 and 500 °C and decreased as it filled with ZnS/Co formed at 300 °C.

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