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Boosting inverted perovskite solar cell performance by using 9,9-bis(4-diphenylaminophenyl)fluorene functionalized with triphenylamine as a dopant-free hole transporting material

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Boosting inverted perovskite solar cell performance by using 9,9-bis(4-diphenylaminophenyl)fluorene functionalized with triphenylamine as a dopant-free hole transporting material

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dc.contributor.author	Pham, Hong Duc
dc.contributor.author	Gil Escrig, Lidón
dc.contributor.author	Feron, Krishna
dc.contributor.author	Manzhos, Sergei
dc.contributor.author	Albrecht, Steve
dc.contributor.author	Bolink, Henk
dc.contributor.author	Sonar, Prashant
dc.date.accessioned	2020-11-11T14:08:22Z
dc.date.available	2020-11-11T14:08:22Z
dc.date.issued	2019
dc.identifier.citation	Pham, Hong Duc Gil Escrig, Lidón Feron, Krishna Manzhos, Sergei Albrecht, Steve Bolink, Henk Sonar, Prashant 2019 Boosting inverted perovskite solar cell performance by using 9,9-bis(4-diphenylaminophenyl)fluorene functionalized with triphenylamine as a dopant-free hole transporting material Journal Of Materials Chemistry a 7 20 12507 12517
dc.identifier.uri	https://hdl.handle.net/10550/76342
dc.description.abstract	In this study, two newly developed small molecules based on 9,9-bis(4-diphenylaminophenyl)fluorene functionalized with triphenylamine moieties, namely TPA-2,7-FLTPA-TPA and TPA-3,6-FLTPA-TPA, are designed, synthesized and characterized. The electrochemical, optical and thermal properties of both materials are investigated using various techniques. Afterwards, these materials are employed as dopant-free hole transporting materials (HTMs) in planar inverted perovskite solar cell devices with the aim of determining the device performance and studying their stability in comparison with reference N-4,N-4,N-4,N-4-tetra([1,10-biphenyl]-4-yl)-[1,1:4,1-terphenyl]-4,4-diamine (TaTm)-based devices. Under 1 sun conditions, TPA-3,6-FLTPA-TPA-based devices achieve a power conversion efficiency (PCE) of 13.9% whereas TPA-2,7-FLTPA-TPA-based devices exhibit the highest PCE of 17.1% mainly due to an improvement in the fill factor (FF). Meanwhile, the devices prepared using TaTm as the reference HTM exhibit an overall efficiency of 15.9%. In addition to the higher efficiency, our newly developed HTM TPA-2,7-FLTPA-TPA-based devices demonstrate good stability which is comparable to those with TaTm under similar aging test conditions.
dc.language.iso	eng
dc.relation.ispartof	Journal Of Materials Chemistry a, 2019, vol. 7, num. 20, p. 12507-12517
dc.subject	Cèl·lules fotoelèctriques
dc.subject	Materials
dc.title	Boosting inverted perovskite solar cell performance by using 9,9-bis(4-diphenylaminophenyl)fluorene functionalized with triphenylamine as a dopant-free hole transporting material
dc.type	journal article	es_ES
dc.date.updated	2020-11-11T14:08:22Z
dc.identifier.doi	10.1039/C9TA01681C
dc.identifier.idgrec	135498
dc.rights.accessRights	open access	es_ES