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An effective approa...
An effective approach of vapour assisted morphological tailoring for reducing metal defect sites in lead-free, (CH3NH3)(3)Bi2I9 bismuth-based perovskite solar cells for improved performance and long-term stability
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- Jain, Sagar M. (author)
- Uppsala universitet,Fysikalisk kemi,Swansea Univ Bay Campus, Coll Engn, SPECIFIC, Fabian Way, Swansea SA1 8EN, W Glam, Wales
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- Phuyal, Dibya (author)
- Uppsala universitet,Molekyl- och kondenserade materiens fysik
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- Davies, Matthew L. (author)
- Swansea Univ Bay Campus, Coll Engn, SPECIFIC, Fabian Way, Swansea SA1 8EN, W Glam, Wales
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- Li, Meng (author)
- Swansea Univ Bay Campus, Coll Engn, SPECIFIC, Fabian Way, Swansea SA1 8EN, W Glam, Wales;Soochow Univ, Inst Funct Nano & Soft Mat, Suzhou 215000, Peoples R China
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- Philippe, Bertrand, Dr. 1986- (author)
- Uppsala universitet,Molekyl- och kondenserade materiens fysik
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- De Castro, Catherine (author)
- Swansea Univ Bay Campus, Coll Engn, SPECIFIC, Fabian Way, Swansea SA1 8EN, W Glam, Wales
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- Qiu, Zhen (author)
- Uppsala universitet,Fasta tillståndets fysik
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- Kim, Jinhyun (author)
- Imperial Coll London, Dept Chem, Exhibit Rd, London SW7 2AZ, England;Imperial Coll London, Ctr Plast Elect, Exhibit Rd, London SW7 2AZ, England
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- Watson, Trystan (author)
- Swansea Univ Bay Campus, Coll Engn, SPECIFIC, Fabian Way, Swansea SA1 8EN, W Glam, Wales
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- Tsoi, Wing Chung (author)
- Swansea Univ Bay Campus, Coll Engn, SPECIFIC, Fabian Way, Swansea SA1 8EN, W Glam, Wales
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- Karis, Olof (author)
- Uppsala universitet,Molekyl- och kondenserade materiens fysik
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- Rensmo, Håkan (author)
- Uppsala universitet,Molekyl- och kondenserade materiens fysik
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- Boschloo, Gerrit (author)
- Uppsala universitet,Fysikalisk kemi
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- Edvinsson, Tomas, 1970- (author)
- Uppsala universitet,Fasta tillståndets fysik
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- Durrant, James R. (author)
- Swansea Univ Bay Campus, Coll Engn, SPECIFIC, Fabian Way, Swansea SA1 8EN, W Glam, Wales;Imperial Coll London, Dept Chem, Exhibit Rd, London SW7 2AZ, England;Imperial Coll London, Ctr Plast Elect, Exhibit Rd, London SW7 2AZ, England
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(creator_code:org_t)
- ELSEVIER SCIENCE BV, 2018
- 2018
- English.
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In: Nano Energy. - : ELSEVIER SCIENCE BV. - 2211-2855 .- 2211-3282. ; 49, s. 614-624
- Related links:
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https://cronfa.swan....
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- We present a controlled, stepwise formation of methylammonium bismuth iodide (CH3NH3)(3)Bi2I9 perovskite films prepared via the vapour assisted solution process (VASP) by exposing BiI3 films to CH3NH3I (MAI) vapours for different reaction times, (CH3NH3)(3)Bi2I9 semiconductor films with tunable optoelectronic properties are obtained. Solar cells prepared on mesoporous TiO2 substrates yielded hysteresis-free efficiencies upto 3.17% with good reproducibility. The good performance is attributed mainly to the homogeneous surface coverage, improved stoichiometry, reduced metallic content in the bulk, and desired optoelectronic properties of the absorbing material. In addition, solar cells prepared using pure BiI3 films without MAI exposure achieved a power conversion efficiency of 0.34%. The non-encapsulated (CH3NH3)(3)Bi2I9 devices were found to be stable for as long as 60 days with only 0.1% drop in efficiency. This controlled formation of (CH3NH3)(3)Bi2I9 perovskite films highlights the benefit of the VASP technique to optimize material stoichiometry, morphology, solar cell performance, and long-term durability.
Subject headings
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Keyword
- Vapour assisted solution process (VASP)
- Lead free perovskite
- (CH3NH3)(3)Bi2I9
- Morphological tailoring
- High resolution X-ray photoelectron (HAXPES) spectroscopy
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Jain, Sagar M.
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Phuyal, Dibya
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Davies, Matthew ...
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Li, Meng
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Philippe, Bertra ...
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De Castro, Cathe ...
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show more...
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Qiu, Zhen
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Kim, Jinhyun
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Watson, Trystan
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Tsoi, Wing Chung
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Karis, Olof
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Rensmo, Håkan
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Boschloo, Gerrit
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Edvinsson, Tomas ...
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Durrant, James R ...
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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 ...
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and Materials Chemis ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Condensed Matter ...
- Articles in the publication
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Nano Energy
- By the university
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Uppsala University