Abstract
High-quality surface and bulk passivation of crystalline silicon solar cells has been obtained under optimum anti-reflection coating properties by silicon nitride (a-SiNx:H) deposited at very high deposition rates of 5 nm/s. These a-SiNx:H films were deposited using the expanding thermal plasma (ETP) technology under regular processing conditions in an inline industrial-type reactor with a nominal throughput of 960 solar cells/hour. The low surface recombination velocities (50-70 cm/s) were obtained on p-type silicon substrates (8·4 cm resistivity) for as-deposited and annealed films within the broad refractive index range of 1·9-2·4, which covers the optimum bulk passivation and anti-reflection coating performance reached at a refractive index of 2·1.
| Original language | English |
|---|---|
| Pages (from-to) | 705-712 |
| Journal | Progress in Photovoltaics: Research and Applications |
| Volume | 13 |
| Issue number | 8 |
| DOIs | |
| Publication status | Published - 2005 |
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