Matches in SemOpenAlex for { <https://semopenalex.org/work/W3206048248> ?p ?o ?g. }
- W3206048248 abstract "Abstract The energy loss ( E loss ), especially the nonradiative recombination loss and energetic disorder, needs to be minimized to improve the device performance with a small voltage ( V OC ) loss. Urbach energy ( E U ) of organic photovoltaic materials is related to energetic disorder, which can predict the E loss of the corresponding device. Herein, a polymer donor (PBDS‐TCl) with Si and Cl functional atoms for organic solar cells (OSCs) is synthesized. It can be found that the V OC and E loss can be well manipulated by regulation of the energy level of the polymer donor and E U , which is dominated by the morphology. A low energetic disorder with an E U of 23.7 meV, a low driving force of 0.08 eV, and a low E loss of 0.41 eV are achieved for the PBDS‐TCl:Y6‐based OSCs. Consequently, an impressive open circuit voltage ( V OC ) of 0.92 V is obtained. To the best of knowledge, the V OC value and E loss are both the record values for the Y6‐based device. These results demonstrate that fine‐tuning the polymer donor by functional atom modification on the side chain is a promising way to reduce E U and energy loss, as well as obtain small driving force and high V OC for highly efficient OSCs." @default.
- W3206048248 created "2021-10-25" @default.
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- W3206048248 date "2021-10-13" @default.
- W3206048248 modified "2023-09-30" @default.
- W3206048248 title "Alkylsilyl Fused Ring‐Based Polymer Donor for Non‐Fullerene Solar Cells with Record Open Circuit Voltage and Energy Loss" @default.
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- W3206048248 doi "https://doi.org/10.1002/smll.202104451" @default.
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