Matches in SemOpenAlex for { <https://semopenalex.org/work/W4385952040> ?p ?o ?g. }
- W4385952040 abstract "Abstract Development of suitable hole transport materials is vital for perovskite solar cells (PSCs) to diminish the energy barrier and minimize the potential loss. Here, a low-cost hole transport molecule named SFX-POCCF3 (23.72 $/g) is designed with a spiro[fluorene-9,9'-xanthene] (SFX) core and terminated by trifluoroethoxy units. Benefiting from the suitable energy level, high hole mobility, and better charge extraction and transport, the PSCs based on SFX-POCCF3 exhibit improved open-circuit voltage by 0.02 V, therefore, the PSC device based on SFX-POCCF3 exhibits a champion PCE of 21.48%, which is comparable with the control device of Spiro-OMeTAD (21.39%). More importantly, the SFX-POCCF3 based PSC possesses outstanding light stability, which retains 95% of the initial efficiency after about 1,000 h continuous light soaking, which is in accordance with the result continuous output at maximum power point. Whereas, Spiro-OMeTAD witnesses a rapid decrease to 80% of its original efficiency after 100 h light soaking. This work demonstrated that an efficient alignment of energy levels between HTL and perovskite will lead to significant highly efficient PSCs with remarkably enhanced light stability." @default.
- W4385952040 created "2023-08-18" @default.
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- W4385952040 date "2023-08-17" @default.
- W4385952040 modified "2023-10-17" @default.
- W4385952040 title "Improving the light stability of perovskite solar cell with new hole transport material based on spiro[fluorene-9,9′-xanthene]" @default.
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- W4385952040 doi "https://doi.org/10.1007/s43979-023-00061-9" @default.
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