2023
DOI: 10.1021/acssuschemeng.3c00112
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Simultaneous Interface Amelioration and Energy Level Modulation Using In Situ Polymerized Molecules for Efficient and Stable Perovskite Solar Cells

Abstract: Charge accumulation and charged defects at both bulk and buried heterojunction interfaces of perovskites are primarily related to the photovoltaic performance and shelf stability of perovskite solar cells (PSCs). Moreover, detrimental defects distributing along the perovskite bottom side in contact with the tin oxide (SnO2) surface may exert unparalleled significance in charge extraction and transport. Most importantly, interfacial nonradiative recombination can also widely exist, which will seriously hamper e… Show more

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Cited by 2 publications
(2 citation statements)
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“…30 Moreover, Xiong et al used the MAPS monomer in situforming polymer to form a chemical bridge to passivate the uncoordinated Pb 2+ and vacancy oxygen at the perovskite and ETL interface, thus optimizing the energy level structure and reducing the interface charge accumulation, and obtained a PCE of 20.94%. 31 Li et al used methoxyamine hydrochloride (MOACl) as a passivator for SnO 2 ETLs in PSCs. MOACl improves the film quality of SnO 2 , boosting the overall PCE of the cells to 24.34%.…”
Section: Introductionmentioning
confidence: 99%
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“…30 Moreover, Xiong et al used the MAPS monomer in situforming polymer to form a chemical bridge to passivate the uncoordinated Pb 2+ and vacancy oxygen at the perovskite and ETL interface, thus optimizing the energy level structure and reducing the interface charge accumulation, and obtained a PCE of 20.94%. 31 Li et al used methoxyamine hydrochloride (MOACl) as a passivator for SnO 2 ETLs in PSCs. MOACl improves the film quality of SnO 2 , boosting the overall PCE of the cells to 24.34%.…”
Section: Introductionmentioning
confidence: 99%
“…Many kinds of materials have been employed to passivate the SnO 2 ETL defects, including organic molecular materials, inorganic salts, metal oxides, multifunctional composites, and ionic liquids. For example, Liu et al introduced hydroxy-containing EDTA-2 M into SnO 2 precursor solution, and the uncoordinated Sn 4+ trap defects of ETL were significantly passivated by −CO of EDTA-2M, greatly improving the electron mobility and leading to an enhanced PCE of 23.7% . Moreover, Xiong et al used the MAPS monomer in situ-forming polymer to form a chemical bridge to passivate the uncoordinated Pb 2+ and vacancy oxygen at the perovskite and ETL interface, thus optimizing the energy level structure and reducing the interface charge accumulation, and obtained a PCE of 20.94% . Li et al used methoxyamine hydrochloride (MOACl) as a passivator for SnO 2 ETLs in PSCs.…”
Section: Introductionmentioning
confidence: 99%