2008
DOI: 10.1016/j.tsf.2007.06.052
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Hot Wire CVD for thin film triple junction cells and for ultrafast deposition of the SiN passivation layer on polycrystalline Si solar cells

Abstract: We present recent progress on hot-wire deposited thin film solar cells and applications of silicon nitride. The cell efficiency reached for μc-Si:H n-i-p solar cells on textured Ag/ZnO presently is 8.5%, in line with the state-of-the-art level for μc-Si:H n-i-p's for any method of deposition. Such cells, used in triple junction cells together with hot-wire deposited proto-Si:H and plasma-deposited SiGe:H, have reached 10.5% efficiency. The single junction μc-Si:H n-i-p cell is entirely stable under prolonged l… Show more

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Cited by 4 publications
(1 citation statement)
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“…It offers several features that overcome some limitations in the PECVD technique: a) absence of ion bombardment and dust formation during deposition [Schropp, 2004] b) high deposition rates, especially for µc-Si:H films [Nelson et al, 2001] c) low equipment implementation and upkeep costs d) high gas utilization (tens of %) [Honda et al, 2000] e) easy scalability to large areas [Ishibashi, 2001] Presently, the Hot-Wire CVD technique can be used to obtain devices with state-of-theart properties: thin film solar cells [Schropp et al, 2007], thin-film-transistors (TFT) [Stannowski et al, 2003], microelectronic mechanical systems (MEMS) and, also, heterojunction solar cells [Branz et al, 2007]. Moreover, thanks to the simplicity of its geometry, large area HWCVD set-ups have been developed allowing homogeneous deposition over surfaces as large as 92 x 73 cm [Matsumura et al, 2003].…”
Section: Why the Hwcvd Technique For Heterojunction Solar Cells?mentioning
confidence: 99%
“…It offers several features that overcome some limitations in the PECVD technique: a) absence of ion bombardment and dust formation during deposition [Schropp, 2004] b) high deposition rates, especially for µc-Si:H films [Nelson et al, 2001] c) low equipment implementation and upkeep costs d) high gas utilization (tens of %) [Honda et al, 2000] e) easy scalability to large areas [Ishibashi, 2001] Presently, the Hot-Wire CVD technique can be used to obtain devices with state-of-theart properties: thin film solar cells [Schropp et al, 2007], thin-film-transistors (TFT) [Stannowski et al, 2003], microelectronic mechanical systems (MEMS) and, also, heterojunction solar cells [Branz et al, 2007]. Moreover, thanks to the simplicity of its geometry, large area HWCVD set-ups have been developed allowing homogeneous deposition over surfaces as large as 92 x 73 cm [Matsumura et al, 2003].…”
Section: Why the Hwcvd Technique For Heterojunction Solar Cells?mentioning
confidence: 99%