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Potential-Induced D...
Potential-Induced Degradation of CuIn1-xGaxSe2 Thin Film Solar Cells
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- Fjällström, Viktor (författare)
- Uppsala universitet,Fasta tillståndets elektronik
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- Salome, P. M. P. (författare)
- Uppsala universitet,Fasta tillståndets elektronik
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- Hultqvist, Adam (författare)
- Uppsala universitet,Fasta tillståndets elektronik
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- Edoff, Marika (författare)
- Uppsala universitet,Fasta tillståndets elektronik
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Jarmar, T. (författare)
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Aitken, B. G. (författare)
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Zhang, K. (författare)
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Fuller, K. (författare)
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Williams, C. Kosik (författare)
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(creator_code:org_t)
- 2013
- 2013
- Engelska.
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Ingår i: IEEE Journal of Photovoltaics. - 2156-3381. ; 3:3, s. 1090-1094
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
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- The use of Na-free or low Na content glass substrates is observed to enhance the resiliency to potential-induced degradation, as compared with glass substrates with high Na content, such as soda lime glass (SLG). The results from stress tests in this study suggest that degradation caused by a combination of heat and bias across the SLG substrate is linked to increased Na concentration in the CdS and Cu(In,Ga)Se-2 (CIGS) layers in CIGS-based solar cells. The degradation during the bias stress is dramatic. The efficiency drops to close to 0% after 50 h of stressing. On the other hand, cells on Na-free and low Na content substrates exhibited virtually no efficiency degradation. The degraded cells showed partial recovery by resting at room temperature without bias; thus, the degradation is nonpermanent and may be due to Na migration and accumulation rather than chemical reaction.
Nyckelord
- Cu(In
- Ga)Se-2 (CIGS)
- photovoltaics
- potential-induced degradation
- thin film solar cells
- Teknisk fysik med inriktning mot elektronik
- Engineering Science with specialization in Electronics
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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