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Extending the envir...
Extending the environmental lifetime of unpackaged perovskite solar cells through interfacial design
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- Chen, Haiwei (author)
- Friedrich-Alexander-Universität Erlangen Nurnberg (FAU)
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- Hou, Yi (author)
- Friedrich-Alexander-Universität Erlangen Nurnberg (FAU)
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- Halbig, C. E. (author)
- Friedrich-Alexander-Universität Erlangen Nurnberg (FAU)
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- Chen, Shi (author)
- Friedrich-Alexander-Universität Erlangen Nurnberg (FAU)
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- Zhang, Hong (author)
- Friedrich-Alexander-Universität Erlangen Nurnberg (FAU)
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- Li, Ning (author)
- Friedrich-Alexander-Universität Erlangen Nurnberg (FAU)
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- Guo, Fei (author)
- Friedrich-Alexander-Universität Erlangen Nurnberg (FAU)
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- Tang, Xiaofeng (author)
- Friedrich-Alexander-Universität Erlangen Nurnberg (FAU)
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- Gasparini, Nicola (author)
- Friedrich-Alexander-Universität Erlangen Nurnberg (FAU)
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- Levchuk, Ievgen (author)
- Friedrich-Alexander-Universität Erlangen Nurnberg (FAU)
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- Kahmann, Simon (author)
- Friedrich-Alexander-Universität Erlangen Nurnberg (FAU),Rijksuniversiteit Groningen,University of Groningen
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- Ramirez Quiroz, Cesar Omar (author)
- Friedrich-Alexander-Universität Erlangen Nurnberg (FAU)
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- Osvet, Andres (author)
- Friedrich-Alexander-Universität Erlangen Nurnberg (FAU)
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- Eigler, Siegfried, 1978 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Brabec, Christoph J. (author)
- Friedrich-Alexander-Universität Erlangen Nurnberg (FAU),Das Bayerische Zentrum fur Angewandte Energieforschung e.V.
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(creator_code:org_t)
- 2016
- 2016
- English.
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In: Journal of Materials Chemistry A. - : Royal Society of Chemistry (RSC). - 2050-7488 .- 2050-7496. ; 4:30, s. 11604-11610
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Abstract
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- Solution-processed oxo-functionalized graphene (oxo-G1) is employed to substitute hydrophilic PEDOT:PSS as an anode interfacial layer for perovskite solar cells. The resulting devices exhibit a reasonably high power conversion efficiency (PCE) of 15.2% in the planar inverted architecture with oxo-G1 as a hole transporting material (HTM), and most importantly, deploy the full open-circuit voltage (Voc) of up to 1.1 V. Moreover, oxo-G1 effectively slows down the ingress of water vapor into the device stack resulting in significantly enhanced environmental stability of unpackaged cells under illumination with 80% of the initial PCE being reached after 500 h. Without encapsulation, ∼60% of the initial PCE is retained after ∼1000 h of light soaking under 0.5 sun and ambient conditions maintaining the temperature beneath 30 °C. Moreover, the unsealed perovskite device retains 92% of its initial PCE after about 1900 h under ambient conditions and in the dark. Our results underpin that controlling water diffusion into perovskite cells through advanced interface engineering is a crucial step towards prolonged environmental stability.
Subject headings
- NATURVETENSKAP -- Kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences (hsv//eng)
Publication and Content Type
- art (subject category)
- ref (subject category)
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- By the author/editor
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Chen, Haiwei
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Hou, Yi
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Halbig, C. E.
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Chen, Shi
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Zhang, Hong
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Li, Ning
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show more...
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Guo, Fei
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Tang, Xiaofeng
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Gasparini, Nicol ...
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Levchuk, Ievgen
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Kahmann, Simon
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Ramirez Quiroz, ...
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Osvet, Andres
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Eigler, Siegfrie ...
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Brabec, Christop ...
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Chemical Science ...
- Articles in the publication
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Journal of Mater ...
- By the university
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Chalmers University of Technology