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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1002/adma.201705901
|2 doi
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|a pubmed24n0938.xml
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|a eng
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| 100 |
1 |
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|a Sun, Qingde
|e verfasserin
|4 aut
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|a Bandgap Engineering of Stable Lead-Free Oxide Double Perovskites for Photovoltaics
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|c 2018
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|a Text
|b txt
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 01.08.2018
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|a Date Revised 01.10.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a Despite the rapid progress in solar power conversion efficiency of archetype organic-inorganic hybrid perovskite CH3 NH3 PbI3 -based solar cells, the long-term stability and toxicity of Pb remain the main challenges for the industrial deployment, leading to more uncertainties for global commercialization. The poor stabilities of CH3 NH3 PbI3 -based solar cells may not only be attributed to the organic molecules but also the halides themself, most of which exhibit intrinsic instability under moisture and light. As an alternative, the possibility of oxide perovskites for photovoltaic applications is explored here. The class of lead-free stable oxide double perovskites A2 M(III)M(V)O6 (A = Ca, Sr, Ba; M(III) = Sb3+ or Bi3+ ; M(V) = V5+ , Nb5+ , or Ta5+ ) is comprehensively explored with regard to their stability and their electronic and optical properties. Apart from the strong stability, this class of double perovskites exhibits direct bandgaps ranging from 0.3 to 3.8 eV. With proper B site alloying, the bandgap can be tuned within the range of 1.0-1.6 eV with optical absorptions as strong as CH3 NH3 PbI3 , making them suitable for efficient single-junction thin-film solar cell application
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|a Journal Article
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|a first-principles calculation
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|a lead-free
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|a photovoltaics
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|a stable perovskite
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|a Wang, Jing
|e verfasserin
|4 aut
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1 |
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|a Yin, Wan-Jian
|e verfasserin
|4 aut
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|a Yan, Yanfa
|e verfasserin
|4 aut
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 30(2018), 15 vom: 06. Apr., Seite e1705901
|w (DE-627)NLM098206397
|x 1521-4095
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| 773 |
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|g volume:30
|g year:2018
|g number:15
|g day:06
|g month:04
|g pages:e1705901
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|u http://dx.doi.org/10.1002/adma.201705901
|3 Volltext
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