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Ion-modulated radic...
Ion-modulated radical doping of spiro-OMeTAD for more efficient and stable perovskite solar cells
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- Zhang, Tiankai (author)
- Linköpings universitet,Elektroniska och fotoniska material,Tekniska fakulteten,Linköping Univ, Dept Phys Chem & Biol IFM, S-58183 Linköping, Sweden.
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- Wang, Feng (author)
- Linköpings universitet,Elektroniska och fotoniska material,Tekniska fakulteten,Linköping Univ, Dept Phys Chem & Biol IFM, S-58183 Linköping, Sweden.
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- Kim, Hak-Beom (author)
- Korea Inst Energy Res KIER, Ulsan, South Korea.
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- Choi, In-Woo (author)
- Korea Inst Energy Res KIER, Ulsan, South Korea.
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- Wang, Chuan Fei (author)
- Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten,Linköping Univ, Dept Phys Chem & Biol IFM, S-58183 Linköping, Sweden.
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- Cho, Eunkyung (author)
- Univ Arizona, Dept Chem & Biochem, Tucson, AZ 85721 USA.
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- Konefal, Rafal (author)
- Czech Acad Sci, Inst Macromol Chem, Prague 16206 6, Czech Republic.
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- Puttisong, Yuttapoom (author)
- Linköpings universitet,Elektroniska och fotoniska material,Tekniska fakulteten,Linköping Univ, Dept Phys Chem & Biol IFM, S-58183 Linköping, Sweden.
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- Terado, Kosuke (author)
- Chiba Univ, Grad Sch Engn, Inage Ku, 1-33 Yayoi Cho, Chiba 2638522, Japan.
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- Kobera, Libor (author)
- Czech Acad Sci, Inst Macromol Chem, Prague 16206 6, Czech Republic.
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- Chen, Mengyun (author)
- Linköpings universitet,Elektroniska och fotoniska material,Tekniska fakulteten,Linköping Univ, Dept Phys Chem & Biol IFM, S-58183 Linköping, Sweden.
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- Yang, Mei (author)
- Linköpings universitet,Elektroniska och fotoniska material,Tekniska fakulteten
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- Bai, Sai (author)
- Linköpings universitet,Elektroniska och fotoniska material,Tekniska fakulteten,Linköping Univ, Dept Phys Chem & Biol IFM, S-58183 Linköping, Sweden.
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- Yang, Bowen (author)
- Ecole Polytech Fed Lausanne, Lab Photomol Sci LSPM, CH-1015 Lausanne, Switzerland.;Uppsala Univ, Dept Chem, Angstrom Lab, SE-75120 Uppsala, Sweden.
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- Suo, Jiajia (author)
- Ecole Polytech Fed Lausanne, Lab Photomol Sci LSPM, CH-1015 Lausanne, Switzerland.;Uppsala Univ, Dept Chem, Angstrom Lab, SE-75120 Uppsala, Sweden.
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- Yang, Shih-Chi (author)
- Empa Swiss Fed Labs Mat Sci & Technol, Lab Thin Films & Photovolta, CH-8600 Dubendorf, Switzerland.
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- Liu, Xianjie (author)
- Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten,Linköping Univ, Dept Sci & Technol, Lab Organ Elect, S-60174 Norrköping, Sweden.
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- Fu, Fan (author)
- Empa Swiss Fed Labs Mat Sci & Technol, Lab Thin Films & Photovolta, CH-8600 Dubendorf, Switzerland.
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- Yoshida, Hiroyuki (author)
- Chiba Univ, Grad Sch Engn, Inage Ku, 1-33 Yayoi Cho, Chiba 2638522, Japan.;Chiba Univ, Mol Chiral Res Ctr, Inage Ku, 1-33 Yayoi Cho, Chiba 2638522, Japan.
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- Chen, Weimin (author)
- Linköpings universitet,Elektroniska och fotoniska material,Tekniska fakulteten
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- Brus, Jiri (author)
- Czech Acad Sci, Inst Macromol Chem, Prague 16206 6, Czech Republic.
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- Coropceanu, Veaceslav (author)
- Univ Arizona, Dept Chem & Biochem, Tucson, AZ 85721 USA.
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- Hagfeldt, Anders (author)
- Uppsala universitet,Fysikalisk kemi,Ecole Polytech Fed Lausanne, Lab Photomol Sci LSPM, CH-1015 Lausanne, Switzerland.
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- Bredas, Jean-Luc (author)
- Univ Arizona, Dept Chem & Biochem, Tucson, AZ 85721 USA.
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- Fahlman, Mats (author)
- Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten,Linköping Univ, Dept Sci & Technol, Lab Organ Elect, S-60174 Norrköping, Sweden.
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- Kim, Dong Suk (author)
- Korea Inst Energy Res KIER, Ulsan, South Korea.
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- Hu, Zhang-Jun (author)
- Linköpings universitet,Molekylär ytfysik och nanovetenskap,Tekniska fakulteten
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- Gao, Feng (author)
- Linköpings universitet,Elektroniska och fotoniska material,Tekniska fakulteten,Linköping Univ, Dept Phys Chem & Biol IFM, S-58183 Linköping, Sweden.
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- Wang, Chuanfei (author)
- Linköping Univ, Dept Sci & Technol, Lab Organ Elect, S-60174 Norrköping, Sweden.
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- Hu, Zhangjun (author)
- Linköping Univ, Dept Phys Chem & Biol IFM, S-58183 Linköping, Sweden.
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(creator_code:org_t)
- AMER ASSOC ADVANCEMENT SCIENCE, 2022
- 2022
- English.
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In: Science. - : AMER ASSOC ADVANCEMENT SCIENCE. - 0036-8075 .- 1095-9203. ; 377:6605, s. 495-501
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Subject headings
Close
- Record power conversion efficiencies (PCEs) of perovskite solar cells (PSCs) have been obtained with the organic hole transporter 2,2,7,7-tetrakis(N,N-di-p-methoxyphenyl-amine)9,9-spirobifluorene (spiro-OMeTAD). Conventional doping of spiro-OMeTAD with hygroscopic lithium salts and volatile 4-tert-butylpyridine is a time-consuming process and also leads to poor device stability. We developed a new doping strategy for spiro-OMeTAD that avoids post-oxidation by using stable organic radicals as the dopant and ionic salts as the doping modulator (referred to as ion-modulated radical doping). We achieved PCEs of >25% and much-improved device stability under harsh conditions. The radicals provide hole polarons that instantly increase the conductivity and work function (WF), and ionic salts further modulate the WF by affecting the energetics of the hole polarons. This organic semiconductor doping strategy, which decouples conductivity and WF tunability, could inspire further optimization in other optoelectronic devices.
Subject headings
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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Science
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To the university's database
- By the author/editor
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Zhang, Tiankai
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Wang, Feng
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Kim, Hak-Beom
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Choi, In-Woo
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Wang, Chuan Fei
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Cho, Eunkyung
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Konefal, Rafal
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Puttisong, Yutta ...
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Terado, Kosuke
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Kobera, Libor
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Chen, Mengyun
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Yang, Mei
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Bai, Sai
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Yang, Bowen
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Suo, Jiajia
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Yang, Shih-Chi
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Liu, Xianjie
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Fu, Fan
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Yoshida, Hiroyuk ...
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Chen, Weimin
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Brus, Jiri
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Coropceanu, Veac ...
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Hagfeldt, Anders
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Bredas, Jean-Luc
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Fahlman, Mats
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Kim, Dong Suk
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Hu, Zhang-Jun
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Gao, Feng
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Wang, Chuanfei
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Hu, Zhangjun
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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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Science
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Linköping University
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Uppsala University