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- W2023603648 abstract "In this research, n-dodecylthiol was added to P3HT/PC70BM polymer solar cells (PSCs) to improve the crystallinity of P3HT and enhance the phase separation of P3HT/PC70BM. Crystallinity of P3HT:PC70BM doped with 0–5% by volume of n-dodecylthiol was measured using X-ray diffraction (XRD) and differential scanning calorimetry (DSC) techniques. Both methods showed improvement in crystallinity, which resulted in improving the power conversion efficiency (PCE) of polymer solar cells by 33%. In addition, annealing at 150 °C for 30 min showed further improvement in crystallinity with n-dodecylthiol concentration up to 2%. The highest power conversion efficiency of 3.21% was achieved with polymer crystallites size L of 11.2 nm, after annealing at 150 °C for 30 min under a vacuum atmosphere. The smaller crystallite size suggests a shorter path of the charge carriers between P3HT backbones, which could be beneficial to getting a higher short circuit current in the devices made with the additive. Kinetics study of P3HT:PC70BM crystallinity using Avrami model showed a faster crystallization rate (1/t0.5) at higher temperatures." @default.
- W2023603648 created "2016-06-24" @default.
- W2023603648 creator A5000542442 @default.
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- W2023603648 date "2013-12-19" @default.
- W2023603648 modified "2023-10-01" @default.
- W2023603648 title "Effect of Crystallinity on the Performance of P3HT/PC70BM/n-Dodecylthiol Polymer Solar Cells" @default.
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- W2023603648 doi "https://doi.org/10.1115/1.4026100" @default.
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