Effects of moisture on CIGSS solar cells

Olsen, L. C.; Kundu, Sambhu N.

doi:10.1109/pvsc.2005.1488176

Cited by 5 publications

(3 citation statements)

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“…Aer applying the silicabased coating on the CIGS solar cell without drying, the performance of the CIGS solar cell decreased signicantly because of the residue of solvent and moisture from the AR coating solution and the atmosphere. Olsen et al 27 indicated that the dominant effect of moisture is a result of increased sheet resistance in the TCO layer. The effect of moisture ingress into the structure of thin lm solar cells on J sc and ll factor is signicant.…”

Section: Resultsmentioning

confidence: 99%

Low-cost & low-temperature curable solution-processed silica-based nanostructured antireflective coatings on CuIn_1−xGa_xSe₂thin film solar cells

et al. 2015

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Section: Resultsmentioning

confidence: 99%

Low-cost & low-temperature curable solution-processed silica-based nanostructured antireflective coatings on CuIn_1−xGa_xSe₂thin film solar cells

et al. 2015

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“…Olsen and Kundu [4] have studied the effect of moisture on the efficiency of 10 cm x 10 cm monolithically integrated CIGSeS circuits and individual cells and the sheet resistance and Zn/O ratio of the ZnO transparent and conducting (TCO) layers in an environment of 60°C /90%RH for various periods. Efficiency of uncoated CIGSeS cells subjected to the accelerated test conditions degraded from 10 % to 1 % within a few hundred hours mainly because of the significant increase of Zn0 sheet resistance and also of the junction recombination losses.…”

Section: Flexible Packagementioning

confidence: 99%

Flexible packaging for PV modules

Dhere

2008

SPIE Proceedings

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Economic, flexible packages that provide needed level of protection to organic and some other PV cells over >25-years have not yet been developed. However, flexible packaging is essential in niche large-scale applications. Typical configuration used in flexible photovoltaic (PV) module packaging is transparent frontsheet/encapsulant/PV cells/flexible substrate. Besides flexibility of various components, the solder bonds should also be flexible and resistant to fatigue due to cyclic loading. Flexible front sheets should provide optical transparency, mechanical protection, scratch resistance, dielectric isolation, water resistance, UV stability and adhesion to encapsulant. Examples are Tefzel, Tedlar and Silicone. Dirt can get embedded in soft layers such as silicone and obscure light. Water vapor transmittance rate (WVTR) of polymer films used in the food packaging industry as moisture barriers are ~0.05 g/(m 2 .day) under ambient conditions. In comparison, light emitting diodes employ packaging components that have WVTR of ~10 -6 g/(m 2 .day). WVTR of polymer sheets can be improved by coating them with dense inorganic/organic multilayers. Ethylene vinyl acetate, an amorphous copolymer used predominantly by the PV industry has very high O 2 and H 2 O diffusivity. Quaternary carbon chains (such as acetate) in a polymer lead to cleavage and loss of adhesional strength at relatively low exposures. Reactivity of PV module components increases in presence of O 2 and H 2 O. Adhesional strength degrades due to the breakdown of structure of polymer by reactive, free radicals formed by high-energy radiation. Free radical formation in polymers is reduced when the aromatic rings are attached at regular intervals. This paper will review flexible packaging for PV modules.

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“…A second approach is the tandem cell concept (Loferski 1976), represented in figure 51, where the cells are placed in optical series. The structural losses due to reflection are higher in this approach than in the spectrum splitting concept, making the obtainable efficiencies somewhat lower (Bennet and Olsen 1978).…”

Section: New Concentrator Conceptsmentioning

confidence: 99%

Untitled

Overstraeten¹,

Mertens²,

Nijs³

1982

Rep. Prog. Phys.

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The actual status of research on photovoltaic energy conversion with regard to its possible role in the production of electric power from solar radiation is reviewed. Silicon cells in single-crystalline or semi-crystalline forms are considered to be the dominant devices for the next decade. A variety of possibilities yielding lower fabrication costs and still high conversion efficiencies exist; an order-of-magnitude reduction from the present-day cost level turns out to be a realistic goal. This can be achieved by a combined effort in the fields of silicon material preparation, cell processing and module fabrication.Other longer term viable options are amorphous silicon, thin-film GaAs, 11-VI compounds such as CdS and some advanced approaches using concentrated sunlight. It is believed that ultimately module efficiency will strongly determine the economic viability of a photovoltaic material.

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Effects of moisture on CIGSS solar cells

Cited by 5 publications

References 1 publication

Low-cost & low-temperature curable solution-processed silica-based nanostructured antireflective coatings on CuIn_1−xGa_xSe₂thin film solar cells

Low-cost & low-temperature curable solution-processed silica-based nanostructured antireflective coatings on CuIn_1−xGa_xSe₂thin film solar cells

Flexible packaging for PV modules

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Effects of moisture on CIGSS solar cells

Cited by 5 publications

References 1 publication

Low-cost & low-temperature curable solution-processed silica-based nanostructured antireflective coatings on CuIn1−xGaxSe2thin film solar cells

Low-cost & low-temperature curable solution-processed silica-based nanostructured antireflective coatings on CuIn1−xGaxSe2thin film solar cells

Flexible packaging for PV modules

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Low-cost & low-temperature curable solution-processed silica-based nanostructured antireflective coatings on CuIn_1−xGa_xSe₂thin film solar cells

Low-cost & low-temperature curable solution-processed silica-based nanostructured antireflective coatings on CuIn_1−xGa_xSe₂thin film solar cells