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High-Efficiency Fle...
High-Efficiency Flexible Perovskite Solar Cells Enabled by an Ultrafast Room-Temperature Reactive Ion Etching Process
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- Kim, Byeong Jo (author)
- Uppsala universitet,Fysikalisk kemi,Sungkyunkwan Univ, Sch Adv Mat Sci & Engn, Suwon 16419, South Korea
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- Kwon, Seung Lee (author)
- Sungkyunkwan Univ, Sch Adv Mat Sci & Engn, Suwon 16419, South Korea
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- Kim, Min-cheol (author)
- Univ Calif San Diego, Dept NanoEngn, La Jolla, CA 92093 USA
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- Jin, Young Un (author)
- Sungkyunkwan Univ, Sch Adv Mat Sci & Engn, Suwon 16419, South Korea
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- Lee, Dong Geon (author)
- Sungkyunkwan Univ, Sch Adv Mat Sci & Engn, Suwon 16419, South Korea
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- Jeon, Jae Bum (author)
- Sungkyunkwan Univ, Sch Adv Mat Sci & Engn, Suwon 16419, South Korea
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- Yun, Yeonghun (author)
- Kyungpook Natl Univ, Sch Mat Sci & Engn, Daegu 41566, South Korea
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- Choi, Mansoo (author)
- Seoul Natl Univ, Dept Mech & Aerosp Engn, Seoul 08826, South Korea;Global Frontier Ctr Multiscale Energy Syst, Seoul 151744, South Korea
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- Boschloo, Gerrit (author)
- Uppsala universitet,Fysikalisk kemi
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- Lee, Sangwook (author)
- Kyungpook Natl Univ, Sch Mat Sci & Engn, Daegu 41566, South Korea
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- Jung, Hyun Suk (author)
- Sungkyunkwan Univ, Sch Adv Mat Sci & Engn, Suwon 16419, South Korea
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(creator_code:org_t)
- 2020-01-20
- 2020
- English.
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In: ACS Applied Materials and Interfaces. - : American Chemical Society (ACS). - 1944-8244 .- 1944-8252. ; 12:6, s. 7125-7134
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
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- Perovskite solar cells (PSCs), which have surprisingly emerged in recent years, are now aiming at commercialization. Rapid, low-temperature, and continuous fabrication processes that can produce high-efficiency PSCs with a reduced fabrication cost and shortened energy payback time are important challenges on the way to commercialization. Herein, we report a reactive ion etching (RIE) method, which is an ultrafast room-temperature technique, to fabricate mesoporous TiO2 (mp-TiO2) as an electron transport layer for high-efficiency PSCs. Replacing the conventional high-temperature annealing process by RIE reduces the total processing time for fabricating 20 PSCs by 40%. Additionally, the RIE-processed mp-TiO2 exhibits enhanced electron extraction, whereupon the optimized RIE-mp-TiO2-based PSC exhibits a power conversion efficiency (PCE) of 19.60% without J–V hysteresis, when the devices were optimized with a TiCl4 surface treatment process. Finally, a flexible PSC employing RIE-mp-TiO2 is demonstrated with 17.29% PCE. Considering that the RIE process has been actively used in the semiconductor industry, including for the fabrication of silicon photovoltaic modules, the process developed in this work could be easily applied toward faster, simpler, and cheaper manufacturing of PSC modules.
Subject headings
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
Keyword
- perovskite
- solar cells
- reactive ion etching
- flexible device
- low-temperature process
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Kim, Byeong Jo
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Kwon, Seung Lee
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Kim, Min-cheol
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Jin, Young Un
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Lee, Dong Geon
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Jeon, Jae Bum
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show more...
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Yun, Yeonghun
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Choi, Mansoo
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Boschloo, Gerrit
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Lee, Sangwook
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Jung, Hyun Suk
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show less...
- 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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ACS Applied Mate ...
- By the university
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Uppsala University