Hybrid ZnO nanowire/a-Si: H thin-film radial junction solar cells using nanoparticle front contacts

被引:10
作者
Pathirane, M. [1 ]
Iheanacho, B. [1 ]
Tamang, A. [2 ]
Lee, C-H. [1 ]
Lujan, R. [3 ]
Knipp, D. [2 ]
Wong, W. S. [1 ]
机构
[1] Univ Waterloo, Dept Elect & Comp Engn, Waterloo, ON N2L 3G1, Canada
[2] Jacobs Univ Bremen, Res Ctr Funct Mat & Nanomol Sci, D-28759 Bremen, Germany
[3] Palo Alto Res Ctr, Elect Mat & Devices Lab, Palo Alto, CA 93003 USA
基金
加拿大自然科学与工程研究理事会;
关键词
OPTICAL-ABSORPTION ENHANCEMENT; SILICON NANOWIRE; PHOTOVOLTAIC APPLICATIONS; ARRAYS;
D O I
10.1063/1.4932649
中图分类号
O59 [应用物理学];
学科分类号
摘要
Hydrothermally synthesized disordered ZnO nanowires were conformally coated with a-Si: H thin-films to fabricate three dimensional hybrid nanowire/thin-film structures. The a-Si: H layer formed a radial junction p-i-n diode solar cell around the ZnO nanowire. The cylindrical hybrid solar cells enhanced light scattering throughout the UV-visible-NIR spectrum (300 nm-800 nm) resulting in a 22% increase in short-circuit current density compared to the reference planar p-i-n device. A fill factor of 69% and a total power conversion efficiency of 6.5% were achieved with the hybrid nanowire solar cells using a spin-on indium tin oxide nanoparticle suspension as the top contact. (C) 2015 AIP Publishing LLC.
引用
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页数:5
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