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Overcome Low Intrin...
Overcome Low Intrinsic Conductivity of NiOx Through Triazinyl Modification for Highly Efficient and Stable Inverted Perovskite Solar Cells
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- Yang, Jiabao (författare)
- Northwestern Polytech Univ, Sch Mat Sci & Engn, Ctr Nano Energy Mat, State key Lab Solidificat Proc, Xian 710072, Peoples R China.
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- Wang, Tong (författare)
- Northwestern Polytech Univ, Sch Mat Sci & Engn, Ctr Nano Energy Mat, State key Lab Solidificat Proc, Xian 710072, Peoples R China.
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- Li, Yaohua (författare)
- Taiyuan Satellite Launch Ctr, Yinchuan Branch, Yinchuan 750000, Ningxia, Peoples R China.
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- Pu, Xingyu (författare)
- Northwestern Polytech Univ, Sch Mat Sci & Engn, Ctr Nano Energy Mat, State key Lab Solidificat Proc, Xian 710072, Peoples R China.
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- Chen, Hui (författare)
- Northwestern Polytech Univ, Sch Mat Sci & Engn, Ctr Nano Energy Mat, State key Lab Solidificat Proc, Xian 710072, Peoples R China.
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- Li, Yuke (författare)
- Chinese Univ Hong Kong, Dept Chem, Shatin, Hong Kong 999077, Peoples R China.;Chinese Univ Hong Kong, Ctr Sci Modeling & Computat, Shatin, Hong Kong 999077, Peoples R China.
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- Yang, Bowen (författare)
- Uppsala universitet,Fysikalisk kemi,Ecole Polytech Fed Lausanne, Inst Chem Sci & Engn, Sch Basic Sci, Lab Photomol Sci, CH-1015 Lausanne, Switzerland
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- Zhang, Yixin (författare)
- Northwestern Polytech Univ, Sch Mat Sci & Engn, Ctr Nano Energy Mat, State key Lab Solidificat Proc, Xian 710072, Peoples R China.
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- Zhao, Junsong (författare)
- Northwestern Polytech Univ, Sch Mat Sci & Engn, Ctr Nano Energy Mat, State key Lab Solidificat Proc, Xian 710072, Peoples R China.
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- Cao, Qi (författare)
- Northwestern Polytech Univ, Sch Mat Sci & Engn, Ctr Nano Energy Mat, State key Lab Solidificat Proc, Xian 710072, Peoples R China.
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- Chen, Xingyuan (författare)
- Northwestern Polytech Univ, Sch Mat Sci & Engn, Ctr Nano Energy Mat, State key Lab Solidificat Proc, Xian 710072, Peoples R China.
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- Ghasemi, Shahnaz (författare)
- Sharif Univ Technol, Sharif Energy Water & Environm Inst, Tehran 113659465, Iran.
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- Hagfeldt, Anders (författare)
- Uppsala universitet,Fysikalisk kemi,Ecole Polytech Fed Lausanne, Inst Chem Sci & Engn, Sch Basic Sci, Lab Photomol Sci, CH-1015 Lausanne, Switzerland
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- Li, Xuanhua (författare)
- Northwestern Polytech Univ, Sch Mat Sci & Engn, Ctr Nano Energy Mat, State key Lab Solidificat Proc, Xian 710072, Peoples R China.
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Northwestern Polytech Univ, Sch Mat Sci & Engn, Ctr Nano Energy Mat, State key Lab Solidificat Proc, Xian 710072, Peoples R China Taiyuan Satellite Launch Ctr, Yinchuan Branch, Yinchuan 750000, Ningxia, Peoples R China. (creator_code:org_t)
- 2022-07-23
- 2022
- Engelska.
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Ingår i: Solar RRL. - : John Wiley & Sons. - 2367-198X. ; 6:9
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Nickel oxide (NiOx) is a promising hole transport material in inverted organic-inorganic metal halide perovskite solar cells. However, its low intrinsic conductivity hinders its further improvement in device performance. Here, we employ a trimercapto-s-triazine trisodium salt (TTTS) as a chelating agent of Ni2+ in the NiOx layer to improve its conductivity. Due to the electron-deficient triazine ring, the TTTS complexes with Ni2+ in NiOx via a strong Ni2+-N coordination bond and increases the ratio of Ni3+:Ni2+. The increased Ni3+ concentration adjusts the band structure of NiOx, thus enhancing hole density and mobility, eventually improving the intrinsic conductivity of NiOx. As a result, the device with TTTS modification displays a champion power conversion efficiency (PCE) of 22.81%. The encapsulated device based on a modified-NiOx layer maintains 94% of its initial power output at the maximum power point and continuous one-sun illumination for 1000 h at 45 degrees C. In addition, the unencapsulated target devices also maintain 92% at 60 +/- 5% relative humidity and 25 degrees C in the air for 5000 h; and 91% at 85 degrees C in a nitrogen atmosphere for 1000 h. The research provides an effective strategy to enhance PCE and stability of inverted PSCs via modifying NiOx films with triazine molecule.
Ämnesord
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
Nyckelord
- additive engineering
- device stability
- intrinsic conductivity
- inverted perovskite solar cells
- nickel oxide
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Yang, Jiabao
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Wang, Tong
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Li, Yaohua
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Pu, Xingyu
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Chen, Hui
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Li, Yuke
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Yang, Bowen
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Zhang, Yixin
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Zhao, Junsong
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Cao, Qi
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Chen, Xingyuan
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Ghasemi, Shahnaz
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Hagfeldt, Anders
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Li, Xuanhua
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Solar RRL
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Uppsala universitet