Efficient and thermally stable BHJ solar cells based on a soluble hydroxy-functionalized regioregular polydodecylthiophene

Lanzi, Massimiliano; Pierini, Filippo

doi:10.1016/j.reactfunctpolym.2020.104803

Cited by 1 publication

(1 citation statement)

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“…Poly(3-alkylthiophene)s and oligo(3-alkylthiophene)s with an alkyl group at the 3position have attracted wide-spread attention as materials with potential applications in organic field-effect transistors [1][2][3], light-emitting diodes [4,5], and photovoltaic cells [6,7]. This is based on the facts that the above thiophene compounds are chemically and electrochemically stable, and that lamellar crystallites are formed through π-π stacking interactions within their solids.…”

Section: Introductionmentioning

confidence: 99%

Mechanistic Study on Gold-Like Luster Development of Solution-Cast Oligo(3-methoxythiophene) Film

et al. 2021

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Solution-cast coating films of perchlorate-doped oligo(3-methoxythiophene) exhibited a gold-like luster similar to that of metallic gold despite the involvement of no metals. However, the development mechanism of the luster remains ambiguous. To understand the mechanism, we performed scanning electron microscopic analysis, variable-angle spectral reflectance measurements, and ellipsometry measurements on ClO4−-doped oligo(3-methoxythiophene) cast film with a gold-like luster. The results revealed that the lustrous color of the film was not induced by the submicron-sized regular structures (structural color), nor by the high-density free electrons (reflective response based on Drude model), but by the large optical constants (refractive index and extinction coefficient) of the film, as speculated previously.

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