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1. 青岛科技大学 材料科学与工程学院,山东 青岛,266042
2. 美国密苏里州立大学 物理、天文与材料科学系, 密苏里州 斯普林菲尔德,65897
纸质出版日期:2013-2-10,
收稿日期:2012-11-20,
修回日期:2012-12-8,
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尚明伟, 刘春廷, 孙琼, 张乾, 董红周, 董立峰. Cu<sub>2</sub>O-ZnO异质结太阳能电池的制备及光电性能研究[J]. 发光学报, 2013,34(2): 197-201
SHANG Ming-wei, LIU Chun-ting, SUN Qiong, ZHANG Qian, DONG Hong-zhou, DONG Li-feng. Fabrication and Photovoltaic Properties of Cu<sub>2</sub> O/ZnO p-n Heterojunction Solar Cells[J]. Chinese Journal of Luminescence, 2013,34(2): 197-201
尚明伟, 刘春廷, 孙琼, 张乾, 董红周, 董立峰. Cu<sub>2</sub>O-ZnO异质结太阳能电池的制备及光电性能研究[J]. 发光学报, 2013,34(2): 197-201 DOI: 10.3788/fgxb20133402.0197.
SHANG Ming-wei, LIU Chun-ting, SUN Qiong, ZHANG Qian, DONG Hong-zhou, DONG Li-feng. Fabrication and Photovoltaic Properties of Cu<sub>2</sub> O/ZnO p-n Heterojunction Solar Cells[J]. Chinese Journal of Luminescence, 2013,34(2): 197-201 DOI: 10.3788/fgxb20133402.0197.
电化学沉积是一种绿色高效的材料制备方法。本实验使用电化学沉积法分别制备了单晶的氧化锌(ZnO)纳米棒阵列和p型的氧化亚铜(Cu
2
O)薄膜
并对样品进行了扫描电镜、X光衍射、外量子效率和光电性能测试等一系列的表征和测试。试验结果表明
通过改变反应溶液中的ZnCl
2
浓度可以来调控ZnO纳米棒的直径。光电性能测量显示在Cu
2
O/ZnO间形成了p-n异质结。量子效率的测试证明该异质结可有效地促进载流子的分离和传送
从而提高太阳能电池的转化效率。
Single-crystal n-type zinc oxide (ZnO) nanorod arrays
p-type cuprous oxide (Cu
2
O) film
and Cu
2
O/ZnO heterostructures were fabricated by electrochemical deposition. The diameter of ZnO nanorods can be controlled by changing the ZnCl
2
concentration as it increases with the concentration of ZnCl
2
. Electrical measurements demonstrate a p-n junction forms between Cu
2
O film and ZnO nanorod arrays. External quantum efficiency of the p-n junction is higher than that of ZnO nanorod arrays and Cu
2
O film
which indicates that the formation of a p-n junction between Cu
2
O film and ZnO nanorod arrays can efficiently facilitate the separation and transport of charge carriers for applications in solar cells.
ZnOCu2O异质结光电性能外量子效率
ZnOCu2Oheterojunctionphotovoltaicexternal quantum efficiency
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