The Experts below are selected from a list of 279 Experts worldwide ranked by ideXlab platform
Michio Kondo - One of the best experts on this subject based on the ideXlab platform.
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impact of front and rear texture of thin film microcrystalline silicon solar cells on their light trapping properties
Journal of Applied Physics, 2010Co-Authors: Michio KondoAbstract:The effect of front and rear texture of thin-film microcrystalline silicon solar cells on light trapping is evaluated by characterizing solar cell specimens with both superstrate ( p - i - n ) and substrate ( n - i - p ) configurations that have a variety of surface morphologies including intentionally polished flat surfaces. It is demonstrated that the front texture enhances light Absorption and external quantum efficiency from the visible region to the near-infrared region, while the rear texture increases these properties only at wavelengths longer than around 600 nm. The photocurrent enhancement by the rear texture is comparable or superior to that by the front texture, especially in n - i - p solar cells with a thin transparent conductive oxide (TCO) layer on the front surface. Irrespective of the cell configuration, parasitic Absorption Loss in solar cells is increased by the textures. Loss analyses show that the Absorption Loss at textured back-surface reflectors (BSRs) plays a dominant role in n - i - p solar cells and is obviously affected by the localized surface plasmon Absorption induced by the Ag reflector with microroughness on its surface. In p - i - n solar cells, additional Absorption Loss due to the thick front TCO layers is superimposed on that induced by the textured BSR and becomes dominant with increasing wavelengths.
Bernd Rech - One of the best experts on this subject based on the ideXlab platform.
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Absorption Loss at nanorough silver back reflector of thin-film silicon solar cells
Journal of Applied Physics, 2004Co-Authors: J. Springer, Ales Poruba, L. Mullerova, Milan Vanecek, Oliver Kluth, Bernd RechAbstract:Absorption Losses at a nanorough silver back reflector of a solar cell were measured with high accuracy by photothermal deflection spectroscopy. Roughness was characterized by atomic force microscopy. The observed increase of Absorption, compared to the smooth silver, was explained by the surface plasmon Absorption. Two series of silver back reflectors (one covered with thin ZnO layer) were investigated and their Absorption related to surface morphology.
Zi Ouyang - One of the best experts on this subject based on the ideXlab platform.
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influence of rear located silver nanoparticle induced light Losses on the light trapping of silicon wafer based solar cells
Journal of Applied Physics, 2014Co-Authors: Yinan Zhang, Baohua Jia, Zi OuyangAbstract:Management of the light Losses associated with silver nanoparticle integrated plasmonic back reflectors in silicon wafer solar cells is critical to realize performance enhancement. The light Losses, including the intrinsic Absorption Loss from silver nanoparticles and the additional Absorption Loss induced by the void plasmons in the aluminum reflectors, are quantitatively studied for cells with different front surface morphologies. The study reveals that silver nanoparticles are effective to enhance the photocurrent in cells with planar front surface, while the Absorption enhancement can be significantly offset by the plasmonic Losses in the textured cells, contributing to marginal or even decreased photocurrent.
J. Springer - One of the best experts on this subject based on the ideXlab platform.
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Absorption Loss at nanorough silver back reflector of thin-film silicon solar cells
Journal of Applied Physics, 2004Co-Authors: J. Springer, Ales Poruba, L. Mullerova, Milan Vanecek, Oliver Kluth, Bernd RechAbstract:Absorption Losses at a nanorough silver back reflector of a solar cell were measured with high accuracy by photothermal deflection spectroscopy. Roughness was characterized by atomic force microscopy. The observed increase of Absorption, compared to the smooth silver, was explained by the surface plasmon Absorption. Two series of silver back reflectors (one covered with thin ZnO layer) were investigated and their Absorption related to surface morphology.
Yinan Zhang - One of the best experts on this subject based on the ideXlab platform.
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influence of rear located silver nanoparticle induced light Losses on the light trapping of silicon wafer based solar cells
Journal of Applied Physics, 2014Co-Authors: Yinan Zhang, Baohua Jia, Zi OuyangAbstract:Management of the light Losses associated with silver nanoparticle integrated plasmonic back reflectors in silicon wafer solar cells is critical to realize performance enhancement. The light Losses, including the intrinsic Absorption Loss from silver nanoparticles and the additional Absorption Loss induced by the void plasmons in the aluminum reflectors, are quantitatively studied for cells with different front surface morphologies. The study reveals that silver nanoparticles are effective to enhance the photocurrent in cells with planar front surface, while the Absorption enhancement can be significantly offset by the plasmonic Losses in the textured cells, contributing to marginal or even decreased photocurrent.
