id:"swepub:oai:DiVA.org:liu-176166"
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Decoupling the effects of defects on efficiency and stability through phosphonates in stable halide perovskite solar cells
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- Xie, Haibing (författare)
- Catalan Inst Nanosci & Nanotechnol ICN2, CSIC, Bldg ICN2,Campus UAB, E-08193 Barcelona, Spain.;Barcelona Inst Sci & Technol BIST, Bldg ICN2,Campus UAB, E-08193 Bellaterra, Spain.
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- Wang, Zaiwei (författare)
- Ecole Polytech Fed Lausanne, Inst Chem Sci & Engn, Lab Photomol Sci LSPM, Sch Basic Sci, CH-1015 Lausanne, Switzerland.
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- Chen, Zehua (författare)
- Eindhoven Univ Technol, Ctr Computat Energy Res, Appl Phys, POB 513, NL-5600 MB Eindhoven, Netherlands.;Eindhoven Univ Technol, Dept Appl Phys, Mat Simulat & Modelling, NL-5600 MB Eindhoven, Netherlands.
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- Catalan Inst Nanosci & Nanotechnol ICN2, CSIC, Bldg ICN2,Campus UAB, E-08193 Barcelona, Spain;Barcelona Inst Sci & Technol BIST, Bldg ICN2,Campus UAB, E-08193 Bellaterra, Spain. Ecole Polytech Fed Lausanne, Inst Chem Sci & Engn, Lab Photomol Sci LSPM, Sch Basic Sci, CH-1015 Lausanne, Switzerland. (creator_code:org_t)
- CELL PRESS, 2021
- 2021
- Engelska.
- Ingår i: Joule. - : CELL PRESS. - 2542-4351. ; 5:5, s. 1246-1266
- Tidskriftsartikel (refereegranskat)
Abstract
Ämnesord
Stäng
- Understanding defects is of paramount importance for the development of stable halide perovskite solar cells (PSCs). However, isolating their distinctive effects on device efficiency and stability is currently a challenge. We report that adding the organic molecule 3-phosphonopropionic acid (H3pp) to the halide perovskite results in unchanged overall optoelectronic performance while having a tremendous effect on device stability. We obtained PSCs with similar to 21% efficiency that retain similar to 100% of the initial efficiency after 1,000 h at the maximum power point under simulated AM1.5G illumination. The strong interaction between the perovskite and the H3pp molecule through two types of hydrogen bonds (H center dot center dot center dot I and O center dot center dot center dot H) leads to shallow point defect passivation that has a significant effect on device stability but not on the non-radiative recombination and device efficiency. We expect that our work will have important implications for the current understanding and advancement of operational PSCs.
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- NATURVETENSKAP -- Fysik -- Annan fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Other Physics Topics (hsv//eng)
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
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