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柔性衬底上ALD法低温制备的ZnO薄膜的光学和电学特性(英文) 被引量:2

The Optical and Electrical Properties of ZnO Films Grown on Flexible Substrate at Low Temperature by ALD
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摘要 以二乙基锌和水分别作为金属前驱体和反应物,利用原子层沉积方法(ALD)在柔性衬底上生长ZnO薄膜,讨论了生长温度对薄膜特性的影响。用AFM、XRD和HALL等对薄膜的表面形貌、晶体结构和电学性质进行表征,并且用PL光谱表征了其光学特性。实验结果表明,随着生长温度(低温下)的升高,薄膜的晶体质量和光学特性得到改善。当生长温度为170℃时,薄膜呈现良好的c轴择优取向,且具有较高的电子浓度(5.62×1019cm-3)和电子迁移率(28.2 cm2·V-1·s-1)。 ZnO films were grown on flexible substrate by the atomic layer deposition(ALD) using diethyl zinc(DEZn) as a metal precursor and water as a reactant.AFM,XRD and HALL effect were used to investigate the morphology,structural and electrical properties of the films.PL spectrum was measured for optical property.With the increasing temperature,the crystal quality and optical property of the films were improved.When grown at 170 ℃,the films exhibited c-axis orientation,the electron concentration was 5.62×1019 and the electron mobility was 28.2 cm2·V-1·s-1.
出处 《发光学报》 EI CAS CSCD 北大核心 2012年第11期1232-1235,共4页 Chinese Journal of Luminescence
基金 国家自然科学基金(61006065,61076039,61204065,61205193,10804071) 吉林省科技发展计划(20090139,20090555,20121816,201201116) 高功率半导体激光国家重点实验室基金(9140C310101120C031115) 高等学校博士学科点专项科研基金(21022216110002,20102216110001,20112216120005) 吉林省自然科学基金(20101546) 吉林省教育厅项目(2011JYT05,2011JYT10,2011JYT11) 长春市国际科技合作计划项目(2010CC02) 吉林农业大学科研启动基金(201238)资助项目
关键词 ZNO ALD 生长温度 柔性衬底 ZnO ALD growth temperature flexible substrate
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