采用直流反应溅射在ITO导电玻璃上沉积了NiOx薄膜,研究了O2流量对其光学和电致变色性能的影响,利用XRD、SEM和XPS对薄膜的微结构和成分进行了表征.通过循环伏安特性曲线和可见光透射谱对样品的电化学和电致变色性能进行了研究,并且讨论了NiOx薄膜成分与电致变色性能之间的关系.研究发现反应溅射制备的NiOx薄膜是Ni2+和Ni3+混合价态,颜色为淡棕色,随着薄膜中Ni3+成分增加,薄膜颜色变深,调色范围有减小的趋势.NiOx薄膜表现出阳极电致变色特征,作者认为其电致变色的行为是由于Li+和OH-在薄膜中的注入和拉出引起的Ni2+和Ni3+发生转化所致.
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