NDLI: Angle-resolved reflectance spectroscopy of passivated trapezoidcorn nanostructures for crystalline silicon photovoltaics

Content Provider	IEEE Xplore Digital Library
Author	Ping-Chen Tseng Hsin-Chu Chen Min-An Tsai Hao-Chung Kuo Peichen Yu
Copyright Year	2010
Description	Author affiliation: Department of Electro-physics, National Chiao Tung University, Hsinchu 30010, Taiwan, R.O.C. (Min-An Tsai) \|\| Department of Photonics and Institute of Electro-Optical Engineering, National Chiao Tung University, Hsinchu 30010, Taiwan, R.O.C. (Ping-Chen Tseng; Hsin-Chu Chen; Hao-Chung Kuo; Peichen Yu)
Abstract	In this work, we demonstrate an omnidirectional and broadband antireflective nanostructures incorporating a silicon nitrides (SiNx) passivation layer. The antireflective trapezoid-cone nanostructures are fabricated on a silicon wafer using polystyrene colloidal lithography with 550nm in height and then passivated with SiNx in different thicknesses to serve as the antireflection layer for silicon photovoltaics. The angle-resolved reflectance spectroscopy reveals that the trapezoid-cone nanostructures with an 80-nm-thick SiNx passivation layer effectively suppressed the Fresnel reflection over a broad spectral range and large angle of incidence (AOI). The AM1.5g weighted reflectance from 400 nm to 1000 nm is as low as 4.2% at normal incidence and <9.5% up to an AOI of 60°, which is much superior to a conventional textured silicon substrate with passivation.
Starting Page	003229
Ending Page	003232
File Size	1150742
Page Count	4
File Format	PDF
ISBN	9781424458905
ISSN	01608371
e-ISBN	9781424458929
DOI	10.1109/PVSC.2010.5616764
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-06-20
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Control and Systems Engineering Electrical and Electronic Engineering

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