Enhanced Hole Mobility of p-Type Materials by Molecular Engineering for Efficient Perovskite Solar Cells

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dc.authorscopusid57216489633
dc.authorscopusid56996979900
dc.authorscopusid57223225215
dc.authorscopusid58523208200
dc.authorscopusid8379291000
dc.contributor.authorYeşil, Tamer
dc.contributor.authorMutlu, Adem
dc.contributor.authorGultekin, Sirin Siyahjani
dc.contributor.authorGunel, Zeynep Gulay
dc.contributor.authorZafer, Ceylan
dc.date.accessioned2024-08-25T18:51:28Z
dc.date.available2024-08-25T18:51:28Z
dc.date.issued2023
dc.departmentEge Üniversitesien_US
dc.description.abstractStar-shaped triazatruxenederivative hole-transporting materials(HTMs), namely, 3,8,13-tris(4-(8a,9a-dihydro-9H-carbazol-9-yl)phenyl)-5,10,15-trihexyl-10,15-dihydro-5H-diindolo[3,2-a:3 & PRIME;,2 & PRIME;-c]carbazole (TAT-TY1)and 3,8,13-tris(4-(8a,9a-dihydro-9H-carbazol-9-yl)phenyl)-5,10,15-trihexyl-10,15-dihydro-5H-diindolo[3,2-a:3 & PRIME;,2 & PRIME;-c]carbazole (TAT-TY2),containing electron-rich triazatruxene cores and donor carbazole moieties,were synthesized and successfully used in triple-cation perovskitesolar cells. All the HTMs were obtained from relatively inexpensiveprecursor materials using well-known synthesis procedures and uncomplicatedpurification steps. All the HTMs, including the 5,10,15-trihexyl-10,15-dihydro-5H-diindolo[3,2-a:3',2'-c]carbazole(TAT-H) main core, had suitable highest occupied molecular orbitals(HOMOs) for perovskite (TAT-H: -5.15 eV, TAT-TY1: -5.17eV, and TAT-TY2: -5.2 eV). Steady-state and time-resolved photoluminescenceresults revealed that hole transport from the valence band of theperovskite into the HOMO of the new triazatruxene derivatives wasmore efficient than with TAT-H. Furthermore, the substitution of n-hexylcarbazole and 9-phenylcarbazole in triazatruxenealtered the crystalline nature of the main core, resulting in a smoothand pinhole-free thin-film morphology. As a result, the hole mobilitiesof TAT-TY1 and TAT-TY2 were measured to be one order of magnitudehigher than that of TAT-H. Finally, TAT-TY1 and TAT-TY2 achieved powerconversion efficiencies of up to 17.5 and 16.3%, respectively, comparedto the reference Spiro-OMeTAD. These results demonstrate that thenew star-shaped triazatruxene derivative HTMs can be synthesized withoutusing complicated synthesis strategies by controlling the intrinsicmorphology of the TAT-H main core.en_US
dc.description.sponsorshipPresidency of Turkish Republic Department of Strategy and Budget [2016K12-2841]; Scientific and Technical Research Council of Turkey (TUBI?TAK) [1649B032100473, 2210/C]; Zeynep Gulay Gunel [1649B022103782]; [2211/C]en_US
dc.description.sponsorshipThe authors acknowledge the Presidency of Turkish Republic Department of Strategy and Budget for the financial support under Project grant nr: 2016K12-2841 and Scientific and Technical Research Council of Turkey (TUBI?TAK) for the financial support to T.Y. under the Program nr.: 2211/C (grant nr.: 1649B032100473), the financial support of Zeynep Gulay Gunel under the Program nr.: 2210/C (grant nr.: 1649B022103782), and the financial support of Sirin Siyahjani Gultekin (2218-118C565). The authors are grateful to Ege University Directorate of Library and Documentation and Corporate Development Planning and Monitoring Coordination Unit (EGE-PI?K) for proofreading support. We would also like to thank PhD candidate, Berkay Metin Leskeri, for assisting with CV measurements.en_US
dc.identifier.doi10.1021/acsomega.3c04088
dc.identifier.endpage27793en_US
dc.identifier.issn2470-1343
dc.identifier.issue30en_US
dc.identifier.pmid37546613en_US
dc.identifier.scopus2-s2.0-85166756832en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage27784en_US
dc.identifier.urihttps://doi.org/10.1021/acsomega.3c04088
dc.identifier.urihttps://hdl.handle.net/11454/102599
dc.identifier.volume8en_US
dc.identifier.wosWOS:001033026400001en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherAmer Chemical Socen_US
dc.relation.ispartofAcs Omegaen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.snmz20240825_Gen_US
dc.subjectSpiro-Ometaden_US
dc.subjectTransporting Materialen_US
dc.subjectPerformanceen_US
dc.subjectRecombinationen_US
dc.titleEnhanced Hole Mobility of p-Type Materials by Molecular Engineering for Efficient Perovskite Solar Cellsen_US
dc.typeArticleen_US

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