氧化锌纳米棒形貌对ZnO/Cu2O异质结太阳能电池光伏性能的影响

doi:10.3724/SP.J.1077.2012.11633

无机材料学报 ›› 2012, Vol. 27 ›› Issue (8): 833-837.DOI: 10.3724/SP.J.1077.2012.11633 CSTR: 32189.14.SP.J.1077.2012.11633

氧化锌纳米棒形貌对ZnO/Cu₂O异质结太阳能电池光伏性能的影响

魏浩铭, 陈令, 巩海波, 曹丙强

(济南大学材料科学与工程学院, 山东省高校无机功能材料重点实验室, 济南 250022)

收稿日期:2011-10-13 修回日期:2011-12-07 出版日期:2012-08-20 网络出版日期:2012-07-09
作者简介:魏浩铭(1988-), 男, 硕士研究生.
基金资助:
国家自然科学基金(51002065; 11174112); 山东省泰山学者基金(TSHW20091007); 教育部新世纪优秀人才支持计划

Influence of ZnO Nanorods Morphology on the Photovoltaic Properties of ZnO/Cu₂O Heterostructural Solar Cells

WEI Hao-Ming, CHEN Ling, GONG Hai-Bo, CAO Bing-Qiang

(Key Lab of Inorganic Functional Materials in Universities of Shandong, School of Material Science and Engineering, University of Jinan, Jinan 250022, China)

Received:2011-10-13 Revised:2011-12-07 Published:2012-08-20 Online:2012-07-09
About author:WEI Hao-Ming.
Supported by:
National Natural Science Foundation of China (51002065; 11174112); Taishan Scholar Foundation of Shandong (TSHW20091007); Program for New Century Excellent Talents in University, MOE of China

摘要/Abstract

摘要： 采用电化学沉积法制备了ZnO纳米棒, 首先讨论了电化学沉积参数对氧化锌(ZnO)纳米棒形貌的影响, 并对不同长度ZnO纳米棒的光吸收和反射等性质进行了研究. 实验发现沉积时间是影响纳米棒长度、直径的重要因素, ZnO纳米棒的微观形貌对其光学性质有重要影响. 然后以氧化锌纳米棒为n型材料, 以氧化亚铜为p型材料, 通过电化学沉积法构筑了ZnO/Cu₂O异质结太阳能电池, 并测试了其光伏性能, 研究表明增长纳米棒阵列的长度使得开路电压、短路电流密度及光电转换效率等性能得到提升. 最后, 综合分析了氧化锌纳米棒形貌与所组装电池的性能之间的关系, 发现调控氧化锌纳米棒的形貌是提高ZnO/Cu₂O异质结太阳能电池光伏性能的有效途径.

关键词: 氧化锌, 纳米棒, 电化学沉积, 太阳能电池

Abstract: ZnO nanorods were prepared by electrochemical deposition (ECD). The influence of ECD parameters on the morphologies of ZnO nanorods was studied and optical properties of the ZnO nanorods were measured with optical absorption and specular reflection spectra. It is found that deposition time has significant influence on the length and diameter of ZnO nanorods which is also proved by the optical measurements. ZnO/Cu₂O heterostructural solar cells were constructed by ECD with n-type ZnO nanowires and p-type Cu₂O films and their photovoltaic characteristics such as open-circuit voltage, short-circuit current density and efficiency were measured. With the increase of nanorods’ length, the photovoltaic properties of ZnO/Cu₂O solar cells are enhanced. Finally, the relation between the solar cell performance and the morphologies of ZnO nanorods are discussed. It is indicates that, by increasing the length of nanorods, the light scattering is enhanced, which improves the electronic collection efficiency and photon utilization rate, and accordingly, the performance of solar cells.

Key words: ZnO, nanorods, electrochemical deposition, solar cells

中图分类号:

TQ132
O472

魏浩铭, 陈令, 巩海波, 曹丙强. 氧化锌纳米棒形貌对ZnO/Cu₂O异质结太阳能电池光伏性能的影响[J]. 无机材料学报, 2012, 27(8): 833-837.

WEI Hao-Ming, CHEN Ling, GONG Hai-Bo, CAO Bing-Qiang. Influence of ZnO Nanorods Morphology on the Photovoltaic Properties of ZnO/Cu₂O Heterostructural Solar Cells[J]. Journal of Inorganic Materials, 2012, 27(8): 833-837.

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氧化锌纳米棒形貌对ZnO/Cu₂O异质结太阳能电池光伏性能的影响

Influence of ZnO Nanorods Morphology on the Photovoltaic Properties of ZnO/Cu₂O Heterostructural Solar Cells

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