Microcrystalline silicon and micromorph tandem solar cells
نویسندگان
چکیده
منابع مشابه
MICROMORPH (MICROCRYSTALLINE / AMORPHOUS SILICON) TANDEM SOLAR CELLS: Status Report and Future Perspectives
Hydrogenated microcrystalline silicon (μc-Si:H) as deposited by PECVD at low temperatures (around 200°C) can be used to fabricate stable pin-type solar cells with conversion efficiencies over 8 %. The variety of growth forms and microstructural patterns observed for different deposition conditions is described; the requirements to be met by layers for use in μc-Si:H solar cells are listed. A pa...
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Microcrystalline silicon solar cells with AM 1.5 conversion efficiency above 5 % have been deposited at deposition rates in excess of 10 Å/s. This is achieved by VHF-GD at an excitation frequency of 130 MHz. By increasing the plasma power at a dilution ratio of 7.5 % silane/(silane+hydrogen) there first appears a morphological transition from a-Si:H to μc-Si:H and then an increase in deposition...
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LP-CVD ZnO has been developed at IMT as front TCO for amorphous silicon p-i-n single-junction and “micromorph” (microcrystalline/amorphous silicon) tandem solar cells. In comparison with SnO2 (Asahi type U), ZnO demonstrates superior light-trapping behaviour. Applying the monolithic series connection by laser-scribing, both for amorphous single-junction and micromorph tandem cells, modules have...
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LP-CVD ZnO has been developed at IMT as front TCO for a-Si:H p-i-n single-junction and “micromorph” (microcrystalline/amorphous silicon) tandem solar cells. An amorphous silicon single-junction p-i-n cell (~1 cm) with a stabilized efficiency of 9.47 % has independently been confirmed by NREL. Applying the monolithic series connection by laser-scribing, both for amorphous single-junction and mic...
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ژورنال
عنوان ژورنال: Applied Physics A: Materials Science & Processing
سال: 1999
ISSN: 0947-8396,1432-0630
DOI: 10.1007/s003390050987