Study on Thermochromic Properties of the Mo-doped VO2 Thin Films on Muscovite Subtrate
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摘要: 采用溶胶凝胶法在云母衬底上制备出掺杂Mo的VO2薄膜,并采用XRD、AFM、XPS、FTIR等检测手段,对掺杂薄膜的物相组成、微观形貌、相变温度进行分析。结果表明:在云母片表面制备出的掺杂的VO2薄膜呈(011)晶面取向生长,并且每增加1%的Mo掺杂量,其相变温度下降7.82℃,掺杂后降低了样品的滞回温宽,而且薄膜相变前后红外透过率的变化量仍保持较高。Abstract: In this paper,Mo-doped vanadium dioxide thin films were fabricated on muscovite slice using an inorganic sol-gel method.XRD,AFM,XPS and FTIR were used to investigate the microstructure,morphology and phase transition temperature.The results revealed that VO2 film was(011) preferred orientated on muscovite substrate.When the doped Mo ions concentration enhance 1%,the phase transition temperature decreased 7.82 ℃.The temperature width of hysteresis decreased and the orientated VO2 films exhibited excellent optical switching property after Mo doping.
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Key words:
- vanadium dioxide /
- film /
- doped molybdenum /
- phase transition temperature
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