Advancements in silicon web technology

Hopkins, R.H.; Easoz, J. R.; McHugh, J.P.; Piotrowski, P. A.; Hundal, Rolv; Przywarty, F.; Seidensticker, R. G.; Sprecase, R.; Meier, D.L.; Campbell, R. B.

doi:10.1016/0022-0248(87)90178-3

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Dendritic Web Growth1

Basic Materials Growth Properties For Photovoltaic Use1

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1987

2010

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Article4

Other2

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Cited by 11 publications

(2 citation statements)

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“…The temperature control requirements in dendritic web growth are typically of the order of ± 0.1 ° C. The basic replenishment system used in dendritic web growth is a multichambered crucible in which the melting of granular feedstock is separated from the growth process by a perforated barrier [Seidensticker 1982] . The melt level controller uses a laser melt level detector [Hopkins 1987] and keeps the level constant to within a few tenths of a millimetre. Another closed -loop system controls the melt temperature and the melt thermal symmetry, to keep both bounding dendrites at the optimal growth temperature.…”

Section: Dendritic Web Growthmentioning

confidence: 99%

Shaped Crystal Growth

Курлов

Rossolenko

Abrosimov

et al. 2010

Crystal Growth Processes Based on Capillarity

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Section: Dendritic Web Growthmentioning

confidence: 99%

Shaped Crystal Growth

Курлов

Rossolenko

Abrosimov

et al. 2010

Crystal Growth Processes Based on Capillarity

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“…4 As a consequence, the unpreferentially seeded low-cost substrates are polycrystalline. All low-cost silicon substrate approaches are presumed to start with material suitably pure to avoid the growth of defects due to constitutional supercooling.…”

Section: Basic Materials Growth Properties For Photovoltaic Usementioning

confidence: 99%

Thin Polycrystalline Silicon Solar Cells

Barnett¹,

Hall²,

Rand³

1993

MRS Bull.

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Solar cells formed with thin silicon active layers (<100 μm thick) offer advantages over thick ingot-based devices. The advantages come in two forms: the first is the potential for higher conversion efficiency than that of conventional thick devices, and the second is a reduction in material requirements. The use of thin polycrystalline silicon for solar cells offers the potential of capturing the high performance of crystalline silicon while achieving the potential low cost of thin films. Experimental and theoretical studies initially uncovered the issues of grain size and thickness as limiting factors. Subsequent work added the issue of back-surface passivation. This article addresses the conditions required for the successful development of polycrystalline silicon into a high efficiency, low-cost, terrestrial product.

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