Lessons Learnt from Spatially Resolved Electro‐ and Photoluminescence Imaging: Interfacial Delamination in CH3NH3PbI3 Planar Perovskite Solar Cells upon Illumination Article Swipe
Arman Mahboubi Soufiani
,
Ziv Hameiri
,
S. Meyer
,
Sean Lim
,
Murad J. Y. Tayebjee
,
Jae Sung Yun
,
Anita Ho‐Baillie
,
Gavin Conibeer
,
Leone Spiccia
,
Martin A. Green
·
YOU?
·
· 2016
· Open Access
·
· DOI: https://doi.org/10.1002/aenm.201602111
YOU?
·
· 2016
· Open Access
·
· DOI: https://doi.org/10.1002/aenm.201602111
The influence of illumination on the long‐term performance of planar structured perovskite solar cells (PSCs) is investigated using fast and spatially resolved luminescence imaging. The authors analyze the effect of illuminated current density–voltage ( J – V ) and light‐soaking measurements on pristine PSCs by providing visual evidence for the spatial inhomogeneous evolution of device performance. Regions that are exposed to light initially produce stronger electroluminescence signals than surrounding unilluminated regions, mainly due to a lower contact resistance and, possibly, higher charge collection efficiency. Over a period of several days, however, these initially illuminated regions appear to degrade more quickly despite the device being stored in a dark, moisture‐ and oxygen‐free environment. Using transmission electron microscopy, this accelerated degradation is attributed to delamination between the perovskite and the titanium dioxide (TiO 2 ) layer. An ion migration mechanism is proposed for this delamination process, which is in accordance with previous current–voltage hysteresis observations. These results provide evidence for the intrinsic instability of CH 3 NH 3 PbI 3 ‐based devices under illumination and have major implications for the design of PSCs from the standpoint of long‐term performance and stability.
Related Topics
Concepts
Materials science
Perovskite (structure)
Electroluminescence
Delamination (geology)
Optoelectronics
Planar
Photoluminescence
Luminescence
Hysteresis
Instability
Layer (electronics)
Chemical engineering
Composite material
Engineering
Physics
Quantum mechanics
Paleontology
Computer graphics (images)
Biology
Computer science
Mechanics
Subduction
Tectonics
Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1002/aenm.201602111
- OA Status
- green
- Cited By
- 61
- References
- 56
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W2564479994
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W2564479994Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.1002/aenm.201602111Digital Object Identifier
- Title
-
Lessons Learnt from Spatially Resolved Electro‐ and Photoluminescence Imaging: Interfacial Delamination in CH3NH3PbI3 Planar Perovskite Solar Cells upon IlluminationWork title
- Type
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articleOpenAlex work type
- Language
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enPrimary language
- Publication year
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2016Year of publication
- Publication date
-
2016-12-21Full publication date if available
- Authors
-
Arman Mahboubi Soufiani, Ziv Hameiri, S. Meyer, Sean Lim, Murad J. Y. Tayebjee, Jae Sung Yun, Anita Ho‐Baillie, Gavin Conibeer, Leone Spiccia, Martin A. GreenList of authors in order
- Landing page
-
https://doi.org/10.1002/aenm.201602111Publisher landing page
- Open access
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YesWhether a free full text is available
- OA status
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greenOpen access status per OpenAlex
- OA URL
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https://handle.unsw.edu.au/1959.4/unsworks_42999Direct OA link when available
- Concepts
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Materials science, Perovskite (structure), Electroluminescence, Delamination (geology), Optoelectronics, Planar, Photoluminescence, Luminescence, Hysteresis, Instability, Layer (electronics), Chemical engineering, Composite material, Engineering, Physics, Quantum mechanics, Paleontology, Computer graphics (images), Biology, Computer science, Mechanics, Subduction, TectonicsTop concepts (fields/topics) attached by OpenAlex
- Cited by
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61Total citation count in OpenAlex
- Citations by year (recent)
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2025: 7, 2024: 2, 2023: 7, 2022: 5, 2021: 11Per-year citation counts (last 5 years)
- References (count)
-
56Number of works referenced by this work
- Related works (count)
-
10Other works algorithmically related by OpenAlex
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