真空蒸发法制备PbI2多晶薄膜研究

1.兰州大学物理科学与技术学院,兰州,730000

2.兰州大学物理科学与技术学院,兰州,730000

3.兰州大学物理科学与技术学院,兰州,730000

4.兰州大学物理科学与技术学院,兰州,730000;兰州物理所,兰州,730000

5.兰州大学物理科学与技术学院,兰州,730000

Polycrystalline PbI2 Thin Films Deposited by Vacuum Evaporation

用真空蒸发法在玻璃衬底上制备了PbI2多晶薄膜,对样品的微结构、表面形貌、化学组分及电阻率进行了测试分析.结果表明,样品具有良好的多晶结构,并沿六角密堆积结构的c轴向高度择优取向.室温下样品暗电导率为3.09×10-11(Ω·cm)-1,电导激活能为0.78 eV.

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