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CdS量子点敏化ZnO纳米片的制备与光电性质
作者：田传进1 赵文燕1 陈雅楠1 汪长安1 2 谢志鹏1 2 
单位：(1. 景德镇陶瓷大学材料科学与工程学院 江西 景德镇 333403 2. 清华大学 新型陶瓷与精细工艺国家重点实验室 北京 100084) 
关键词：氧化锌纳米片 硫化镉量子点 光电转换效率 
分类号：TM914.4
出版年,卷(期):页码：2019,47(12):0-0
DOI：
摘要：

 采用电化学沉积法在透明导电玻璃(FTO)基底上制备氧化锌(ZnO)纳米片，用KOH溶液刻蚀ZnO纳米片，得到多孔纳米片薄膜，再用化学浴沉积法(CBD)使CdS量子点沉积在ZnO纳米片表面，得CdS敏化的多孔ZnO纳米片薄膜。利用X射线衍射仪、场发射扫描电子显微镜、高分辨率透射电子显微镜、电化学工作站研究了复合薄膜的晶体结构、形貌和光电性能。结果表明：KOH溶液刻蚀后的多孔ZnO纳米片光阳极的光电化学转换性能比ZnO纳米片有了明显的提高，光电化学转换效率随着刻蚀时间的延长先增大后减小，刻蚀时间30 min时，样品的光电转换效率提高为原来的7.2倍。多孔ZnO纳米片用CdS量子点敏化后，CdS量子点可以紧密、均匀地生长在多孔ZnO纳米片表面，并与ZnO纳米片形成异质结，其光电转换效率均有大幅度的提高，刻蚀60 min时的复合薄膜的光电转换效率最高，为1.176%，为量子点敏化太阳能电池的潜在应用提供实验基础。
基金项目：
国家自然科学基金(51962015)；江西省科技厅自然科学青年基金(20142BAB212006)；景德镇市科技局青年基金(701301318，103037201)；清华大学新型陶瓷与精细工艺国家重点实验室开放课题(KF201813，KF1211)。
作者简介：
参考文献：

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