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Article Dans Une Revue Synthetic Metals Année : 2017

Well-designed poly(3-hexylthiophene) as hole transporting material: A new opportunity for solid-state dye-sensitized solar cells

Mathieu Surin
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Résumé

All solid-state dye-sensitized solar cells (ss-DSSCs) based on the reference D102 organic dye and using poly(3-hexylthiophene) (P3HT) as hole transporting material were fabricated and compared to the most used 2,2′,7,7′-tetrakis-(N,N-di-p-methoxyphenylamine)-9,9′-spirobifluorene (spiro-OMeTAD). Power conversion efficiency of 4.78% was reached with P3HTvs. 3.99% with spiro-OMeTAD, which emphasizes that polythiophene derivatives remain serious alternatives to spiro-OMeTAD for efficient and low-cost photovoltaic energy conversion. Here, P3HT combining high regioregularity, medium-range molecular weight and narrow dispersity was targeted. The ability of those P3HT chains to form semicrystalline domains upon annealing leads to improved hole mobility, photocurrent collection and thus, device performance.
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hal-01480051 , version 1 (01-03-2017)

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Chevrier Michèle, Hesham Hawashin, Sébastien Richeter, Ahmad Mehdi, Mathieu Surin, et al.. Well-designed poly(3-hexylthiophene) as hole transporting material: A new opportunity for solid-state dye-sensitized solar cells. Synthetic Metals, 2017, 226, pp.157. ⟨10.1016/j.synthmet.2017.02.015⟩. ⟨hal-01480051⟩
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