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Omnidirectional study of nanostructured glass packaging for solar modules.

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Title: Omnidirectional study of nanostructured glass packaging for solar modules.
Authors: Sakhuja, Mridul1, Son, Jaesung1, Verma, Lalit K.1, Yang, Hyunsoo1, Bhatia, Charanjit S.1, Danner, Aaron J.1
Source: Progress in Photovoltaics. Mar2014, Vol. 22 Issue 3, p356-361. 6p.
Subjects: Glass etching, Nanostructured materials, Light transmission, Solar cells, Short circuits, Current density (Electromagnetism)
Abstract: ABSTRACT Antireflective light trapping glass nanostructures fabricated by a non-lithographic process are investigated for their angle dependent properties to improve the omnidirectional performance of solar modules. Optical transmission and solar cell module I-V measurements are used to understand the dependence of angular performance of nanostructures in the packaging glass. Nanostructures 100-400 nm in height demonstrate an increase in solar light transmission both for normal as well as oblique incidence and measurements show that a ~200-400 nm nanostructure height is optimum for solar modules, providing an absolute increase of 1% in the power conversion efficiency at normal incidence and a gain in short circuit current density over a 120° angular cone of solar incidence. This shows that packaging glass texturing can be an important and often-overlooked method to yield substantial gain in solar module efficiency. Copyright © 2012 John Wiley & Sons, Ltd. [ABSTRACT FROM AUTHOR]
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Database: Engineering Source
Description
Abstract:ABSTRACT Antireflective light trapping glass nanostructures fabricated by a non-lithographic process are investigated for their angle dependent properties to improve the omnidirectional performance of solar modules. Optical transmission and solar cell module I-V measurements are used to understand the dependence of angular performance of nanostructures in the packaging glass. Nanostructures 100-400 nm in height demonstrate an increase in solar light transmission both for normal as well as oblique incidence and measurements show that a ~200-400 nm nanostructure height is optimum for solar modules, providing an absolute increase of 1% in the power conversion efficiency at normal incidence and a gain in short circuit current density over a 120° angular cone of solar incidence. This shows that packaging glass texturing can be an important and often-overlooked method to yield substantial gain in solar module efficiency. Copyright © 2012 John Wiley & Sons, Ltd. [ABSTRACT FROM AUTHOR]
ISSN:10627995
DOI:10.1002/pip.2276