Yao, Qin
(School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, China)
,
Mo, Liping
(School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, China)
,
Zhou, Zheng
(School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, China)
,
Wu, Fengshun
(School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, China)
,
Wu, Yinming
(Department of Physics, The University of Auckland, New Zealand)
The anti-reflection properties of the nanowire array structure are studied based on silicon solar cell. The anti-reflection effect due to the variations in key parameters, such as the height of nanowire array, the period and the duty factor, are analyzed using a finite difference time domain (FDTD) ...
The anti-reflection properties of the nanowire array structure are studied based on silicon solar cell. The anti-reflection effect due to the variations in key parameters, such as the height of nanowire array, the period and the duty factor, are analyzed using a finite difference time domain (FDTD) method. It was observed that the surface reflection tends to reduce as the period and the duty factor of structure increase within a certain range. According to the simulation results, surface reflection can be kept under 15% for the full response spectrum of silicon solar cell (wavelength from 400 nm to 1100 nm) when the nanowire has a period of 400nm, duty ratio of 0.6 and height of 100nm. This paper provides a novel design approach that optimizes the surface anti-reflective properties for silicon-based solar cells.
The anti-reflection properties of the nanowire array structure are studied based on silicon solar cell. The anti-reflection effect due to the variations in key parameters, such as the height of nanowire array, the period and the duty factor, are analyzed using a finite difference time domain (FDTD) method. It was observed that the surface reflection tends to reduce as the period and the duty factor of structure increase within a certain range. According to the simulation results, surface reflection can be kept under 15% for the full response spectrum of silicon solar cell (wavelength from 400 nm to 1100 nm) when the nanowire has a period of 400nm, duty ratio of 0.6 and height of 100nm. This paper provides a novel design approach that optimizes the surface anti-reflective properties for silicon-based solar cells.
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