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Conformal quantum dot-SnO2 layers as electron transporters for efficient perovskite solar cells

Kim, Minjin (author)
Korea Inst Energy Res, Ulsan Adv Energy Technol R&D Ctr, Ulsan 44776, South Korea.
Jeong, Jaeki (author)
Ecole Polytech Fed Lausanne EPFL, Lab Photon & Interfaces, Inst Chem Sci & Engn, CH-1015 Lausanne, Switzerland.
Lu, Haizhou (author)
Ecole Polytech Fed Lausanne EPFL, Lab Photon & Interfaces, Inst Chem Sci & Engn, CH-1015 Lausanne, Switzerland.
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Lee, Tae Kyung (author)
Korea Inst Energy Res KIER, Photovolta Res Dept, Daejeon 34129, South Korea.
Eickemeyer, Felix T. (author)
Ecole Polytech Fed Lausanne EPFL, Lab Photon & Interfaces, Inst Chem Sci & Engn, CH-1015 Lausanne, Switzerland.
Liu, Yuhang (author)
Ecole Polytech Fed Lausanne EPFL, Lab Photon & Interfaces, Inst Chem Sci & Engn, CH-1015 Lausanne, Switzerland.
Choi, In Woo (author)
Korea Inst Energy Res, Ulsan Adv Energy Technol R&D Ctr, Ulsan 44776, South Korea.
Choi, Seung Ju (author)
Korea Inst Energy Res, Ulsan Adv Energy Technol R&D Ctr, Ulsan 44776, South Korea.
Jo, Yimhyun (author)
Korea Inst Energy Res, Ulsan Adv Energy Technol R&D Ctr, Ulsan 44776, South Korea.
Kim, Hak-Beom (author)
Korea Inst Energy Res, Ulsan Adv Energy Technol R&D Ctr, Ulsan 44776, South Korea.
Mo, Sung-In (author)
Korea Inst Energy Res, Ulsan Adv Energy Technol R&D Ctr, Ulsan 44776, South Korea.
Kim, Young-Ki (author)
Ulsan Natl Inst Sci & Technol UNIST, Cent Res Facil UCRF, Ulsan 44919, South Korea.
Lee, Heunjeong (author)
Univ Ulsan, Dept Phys, Ulsan 44610, South Korea.;Univ Ulsan, Energy Harvest Storage Res Ctr, Ulsan 44610, South Korea.
An, Na Gyeong (author)
Ulsan Natl Inst Sci & Technol UNIST, Sch Energy & Chem Engn, Dept Energy Engn, Ulsan 44919, South Korea.
Cho, Shinuk (author)
Univ Ulsan, Dept Phys, Ulsan 44610, South Korea.;Univ Ulsan, Energy Harvest Storage Res Ctr, Ulsan 44610, South Korea.
Tress, Wolfgang R. (author)
Zurich Univ Appl Sci, Inst Computat Phys, Novel Semicond Devices Grp, CH-8401 Winterthur, Switzerland.
Zakeeruddin, Shaik M. (author)
Ecole Polytech Fed Lausanne EPFL, Lab Photon & Interfaces, Inst Chem Sci & Engn, CH-1015 Lausanne, Switzerland.
Hagfeldt, Anders (author)
Uppsala universitet,Fysikalisk kemi
Kim, Jin Young (author)
Ulsan Natl Inst Sci & Technol UNIST, Sch Energy & Chem Engn, Dept Energy Engn, Ulsan 44919, South Korea.
Grätzel, Michael (author)
Ecole Polytech Fed Lausanne EPFL, Lab Photon & Interfaces, Inst Chem Sci & Engn, CH-1015 Lausanne, Switzerland.
Kim, Dong Suk (author)
Korea Inst Energy Res, Ulsan Adv Energy Technol R&D Ctr, Ulsan 44776, South Korea.
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Korea Inst Energy Res, Ulsan Adv Energy Technol R&D Ctr, Ulsan 44776, South Korea Ecole Polytech Fed Lausanne EPFL, Lab Photon & Interfaces, Inst Chem Sci & Engn, CH-1015 Lausanne, Switzerland. (creator_code:org_t)
American Association for the Advancement of Science (AAAS), 2022
2022
English.
In: Science. - : American Association for the Advancement of Science (AAAS). - 0036-8075 .- 1095-9203. ; 375:6578, s. 302-306
Related links:
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  • Journal article (peer-reviewed)
Abstract Subject headings
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  • Improvements to perovskite solar cells (PSCs) have focused on increasing their power conversion efficiency (PCE) and operational stability and maintaining high performance upon scale-up to module sizes. We report that replacing the commonly used mesoporous-titanium dioxide electron transport layer (ETL) with a thin layer of polyacrylic acid-stabilized tin(IV) oxide quantum dots (paa-QD-SnO2) on the compact-titanium dioxide enhanced light capture and largely suppressed nonradiative recombination at the ETL-perovskite interface. The use of paa-QD-SnO2 as electron-selective contact enabled PSCs (0.08 square centimeters) with a PCE of 25.7% (certified 25.4%) and high operational stability and facilitated the scale-up of the PSCs to larger areas. PCEs of 23.3, 21.7, and 20.6% were achieved for PSCs with active areas of 1, 20, and 64 square centimeters, respectively.

Subject headings

NATURVETENSKAP  -- Kemi -- Materialkemi (hsv//swe)
NATURAL SCIENCES  -- Chemical Sciences -- Materials Chemistry (hsv//eng)
NATURVETENSKAP  -- Kemi -- Fysikalisk kemi (hsv//swe)
NATURAL SCIENCES  -- Chemical Sciences -- Physical Chemistry (hsv//eng)

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