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  2. School of Engineering
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dc.contributor.authorXu, Tianfei-
dc.contributor.authorXiang, Wanchun-
dc.contributor.authorYang, Junjie-
dc.contributor.authorKubicki, Dominik J.-
dc.contributor.authorTress, Wolfgang-
dc.contributor.authorChen, Tao-
dc.contributor.authorFang, Zhimin-
dc.contributor.authorLiu, Yali-
dc.contributor.authorLiu, Shengzhong-
dc.date.accessioned2024-03-01T08:14:16Z-
dc.date.available2024-03-01T08:14:16Z-
dc.date.issued2023-08-
dc.identifier.issn0935-9648de_CH
dc.identifier.issn1521-4095de_CH
dc.identifier.urihttps://digitalcollection.zhaw.ch/handle/11475/30065-
dc.description.abstractDue to their excellent thermal stability and ideal bandgap, metal halide inorganic perovskite based solar cells (PSCs) with inverted structure are considered as an excellent choice for perovskite/silicon tandem solar cells. However, the power conversion efficiency (PCE) of inverted inorganic perovskite solar cells (PSCs) still lags far behind that of conventional n-i-p PSCs due to interfacial energy level mismatch and high nonradiative charge recombination. Herein, the performance of inverted PSCs is significantly improved by interfacial engineering of CsPbI3- x Brx films with 2-mercapto-1-methylimidazole (MMI). It is found that the mercapto group can preferably react with the undercoordinated Pb2+ from perovskite by forming Pb-S bonds, which appreciably reduces the surface trap density. Moreover, MMI modification results in a better energy level alignment with the electron-transporting material, promoting carrier transfer and reducing voltage deficit. The above combination results in an open-circuit voltage enhancement by 120 mV, yielding a champion PCE of 20.6% for 0.09 cm2 area and 17.3% for 1 cm2 area. Furthermore, the ambient, operational and heat stabilities of inorganic PSCs with MMI modification are also greatly improved. The work demonstrates a simple but effective approach for fabricating highly efficient and stable inverted inorganic PSCs.de_CH
dc.language.isoende_CH
dc.publisherWileyde_CH
dc.relation.ispartofAdvanced Materialsde_CH
dc.rightsLicence according to publishing contractde_CH
dc.subjectEnergy levelde_CH
dc.subjectInorganic perovskite solar cellsde_CH
dc.subjectInverted structurede_CH
dc.subjectPower conversion efficiencyde_CH
dc.subjectStabilityde_CH
dc.subject.ddc621.3: Elektro-, Kommunikations-, Steuerungs- und Regelungstechnikde_CH
dc.titleInterface modification for efficient and stable inverted inorganic perovskite solar cellsde_CH
dc.typeBeitrag in wissenschaftlicher Zeitschriftde_CH
dcterms.typeTextde_CH
zhaw.departementSchool of Engineeringde_CH
zhaw.organisationalunitInstitute of Computational Physics (ICP)de_CH
dc.identifier.doi10.1002/adma.202303346de_CH
dc.identifier.pmid37279373de_CH
zhaw.funding.euNode_CH
zhaw.issue31de_CH
zhaw.originated.zhawYesde_CH
zhaw.pages.starte2303346de_CH
zhaw.publication.statuspublishedVersionde_CH
zhaw.volume35de_CH
zhaw.publication.reviewPeer review (Publikation)de_CH
zhaw.webfeedPhotovoltaikde_CH
zhaw.author.additionalNode_CH
zhaw.display.portraitYesde_CH
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Xu, T., Xiang, W., Yang, J., Kubicki, D. J., Tress, W., Chen, T., Fang, Z., Liu, Y., & Liu, S. (2023). Interface modification for efficient and stable inverted inorganic perovskite solar cells. Advanced Materials, 35(31), e2303346. https://doi.org/10.1002/adma.202303346
Xu, T. et al. (2023) ‘Interface modification for efficient and stable inverted inorganic perovskite solar cells’, Advanced Materials, 35(31), p. e2303346. Available at: https://doi.org/10.1002/adma.202303346.
T. Xu et al., “Interface modification for efficient and stable inverted inorganic perovskite solar cells,” Advanced Materials, vol. 35, no. 31, p. e2303346, Aug. 2023, doi: 10.1002/adma.202303346.
XU, Tianfei, Wanchun XIANG, Junjie YANG, Dominik J. KUBICKI, Wolfgang TRESS, Tao CHEN, Zhimin FANG, Yali LIU und Shengzhong LIU, 2023. Interface modification for efficient and stable inverted inorganic perovskite solar cells. Advanced Materials. August 2023. Bd. 35, Nr. 31, S. e2303346. DOI 10.1002/adma.202303346
Xu, Tianfei, Wanchun Xiang, Junjie Yang, Dominik J. Kubicki, Wolfgang Tress, Tao Chen, Zhimin Fang, Yali Liu, and Shengzhong Liu. 2023. “Interface Modification for Efficient and Stable Inverted Inorganic Perovskite Solar Cells.” Advanced Materials 35 (31): e2303346. https://doi.org/10.1002/adma.202303346.
Xu, Tianfei, et al. “Interface Modification for Efficient and Stable Inverted Inorganic Perovskite Solar Cells.” Advanced Materials, vol. 35, no. 31, Aug. 2023, p. e2303346, https://doi.org/10.1002/adma.202303346.


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