采用化学气相沉积法,以硅酸乙酯和氧气作为前驱体在ZnS:Cu电致发光粉表面包覆S iO2薄膜,并对样品进行了能量色散X射线分析,AgNO3抗腐蚀,发光亮度和光谱等测试. 结果证实当温度为 500 ℃时,包膜样品具有良好的防潮抗腐蚀性能,材料发光寿命得到明显改善 ,包膜样品的发光光谱峰没有产生大的移动.
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