{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["16(41)"],"submitter":["Ravi M"],"pubmed_abstract":["Developing novel, cost-effective hole-transporting materials (HTMs) with tailored chemical/electronic properties is critical for high-performance, stable planar perovskite solar cells (PSCs). Herein, we design three HTMs based on a di-trifluoromethyl-substituted phenoxazine core linked to distinct peripheral end groups: pcz-SM-DM, pcz-DM, and pcz-SM. The polyfluorinated core effectively passivates interfacial defects, while peripheral dimethyl fluorene units modulate HTM energy levels and charge carrier mobilities. Among these reported HTMs, pcz-SM exhibits the most suitable energy alignment and enhanced hole transport. Devices using pcz-SM as the HTM achieve an exceptional power conversion efficiency (PCE) of 25.3% and maintain 81% initial stability after 1000 hours of ambient aging. Thes"],"journal":["Chemical science"],"pagination":["19205-19214"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC12444427"],"repository":["biostudies-literature"],"pubmed_title":["Boosting planar perovskite solar cell performance <i>via</i> peripheral end-group engineering of phenoxazine-core hole transport materials."],"pmcid":["PMC12444427"],"pubmed_authors":["Kumar D","Xia Z","Ravi M","Tian Y","Ravichandran B","Cheng M","Wang H","Chen C"],"additional_accession":[]},"is_claimable":false,"name":"Boosting planar perovskite solar cell performance <i>via</i> peripheral end-group engineering of phenoxazine-core hole transport materials.","description":"Developing novel, cost-effective hole-transporting materials (HTMs) with tailored chemical/electronic properties is critical for high-performance, stable planar perovskite solar cells (PSCs). Herein, we design three HTMs based on a di-trifluoromethyl-substituted phenoxazine core linked to distinct peripheral end groups: pcz-SM-DM, pcz-DM, and pcz-SM. The polyfluorinated core effectively passivates interfacial defects, while peripheral dimethyl fluorene units modulate HTM energy levels and charge carrier mobilities. Among these reported HTMs, pcz-SM exhibits the most suitable energy alignment and enhanced hole transport. Devices using pcz-SM as the HTM achieve an exceptional power conversion efficiency (PCE) of 25.3% and maintain 81% initial stability after 1000 hours of ambient aging. Thes","dates":{"release":"2025-01-01T00:00:00Z","publication":"2025 Oct","modification":"2026-06-04T16:25:32.123Z","creation":"2026-06-02T03:08:46.755Z"},"accession":"S-EPMC12444427","cross_references":{"pubmed":["40979879"],"doi":["10.1039/d5sc04399a"]}}