Advanced dry processes for crystalline silicon solar cells

Agostinelli, G.; Choulat, Patrick; Dekkers, Harold; Wolf, Stefaan De; Beaucarne, G.

doi:10.1109/pvsc.2005.1488341

Cited by 15 publications

(13 citation statements)

References 2 publications

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“…However, it was not possible to reach the same passivation quality as of thermal oxides when applied to a solar cell due to detrimental shunting of the inversion layer induced by the SiN x -layer [24]. Also, thermal stability seems to be an issue although recent works have shown that a medium passivation level can be maintained after a firing step [38].…”

Section: Thermal Stabilitymentioning

confidence: 99%

High-Efficiency Crystalline Silicon Solar Cells

Glunz

2007

Advances in OptoElectronics

117

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The current cost distribution of a crystalline silicon PV module is clearly dominated by material costs, especially by the costs of the silicon wafer. Therefore cell designs that allow the use of thinner wafers and the increase of energy conversion efficiency are of special interest to the PV industry. This article gives an overview of the most critical issues to achieve this aim and of the recent activities at Fraunhofer ISE and other institutes.

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Section: Thermal Stabilitymentioning

confidence: 99%

High-Efficiency Crystalline Silicon Solar Cells

Glunz

2007

Advances in OptoElectronics

117

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“…The sketch given in Figure 1 shows a device with a passivated front surface, but a fully metallized rear. High-efficiency diffused-junction solar cells for mass production increasingly feature a dielectric passivation layer at the rear as well, through which the base contact is "spiked" as well [22,23].…”

Section: Introductionmentioning

confidence: 99%

High-efficiency Silicon Heterojunction Solar Cells: A Review

Wolf

Descoeudres

Holman

et al. 2012

Green

754

352

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Abstract. Silicon heterojunction solar cells consist of thin amorphous silicon layers deposited on crystalline silicon wafers. This design enables energy conversion efficiencies above 20% at the industrial production level. The key feature of this technology is that the metal contacts, which are highly recombination active in traditional, diffused-junction cells, are electronically separated from the absorber by insertion of a wider bandgap layer. This enables the record open-circuit voltages typically associated with heterojunction devices without the need for expensive patterning techniques. This article reviews the salient points of this technology. First, we briefly elucidate device characteristics. This is followed by a discussion of each processing step, device operation, and device stability and industrial upscaling, including the fabrication of solar cells with energyconversion efficiencies over 21%. Finally, future trends are pointed out.

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“…Although this firing step is in principle beneficial for the passivation of the bulk material, the stability of an excellent rear passivation after this hightemperature process still needs to be demonstrated. A successful example of a well-passivating silicon nitride layer was given by Agostinelli et al [3].…”

Section: Introductionmentioning

confidence: 99%

Dielectric Rear Surface Passivation for Industrial Multicrystalline Silicon Solar Cells

Schultz

Rentsch

Grohe

et al. 2006

2006 IEEE 4th World Conference on Photovoltaic Energy Conference

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Thermal oxides are commonly used for the production of high-efficiency silicon solar cells from mono-and multicrystalline silicon and have led to the highest conversion efficiencies reported so far. Following the development of high-efficiency cells of small area (1 or 4 cm 2 ) using photolithographic techniques, in the present study large area cells (³100 cm 2 ) are manufactured employing an industrial front structure. In this paper we present two different passivation schemes for the rear surface of industrial multicrystalline silicon solar cells. The first scheme is a thick thermal oxide grown under wet conditions. The second scheme represents a stack system which comprises the benefits of silicon oxide and silicon nitride layers. In both cases the front surface metallisation is achieved with standard industrial screen-printed silver paste.

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Advanced dry processes for crystalline silicon solar cells

Cited by 15 publications

References 2 publications

High-Efficiency Crystalline Silicon Solar Cells

High-Efficiency Crystalline Silicon Solar Cells

High-efficiency Silicon Heterojunction Solar Cells: A Review

Dielectric Rear Surface Passivation for Industrial Multicrystalline Silicon Solar Cells

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