Microscopic Signature of Metallic State in Semicrystalline Conjugated Polymers Doped with Fluoroalkylsilane Molecules

Fluoroalkylsilane (FTS) acts as an efficient p‐type dopant for organic semiconductors. FTS‐doped films of the semicrystalline PBTTT polymer exhibit relatively high conductivities. We demonstrate that highly doped PBTTT films exhibit a metallic nature with clear Pauli paramagnetism as observed micros...

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Veröffentlicht in:	Advanced materials (Weinheim) 2014-04, Vol.26 (15), p.2376-2383
Hauptverfasser:	Tanaka, Hisaaki, Hirate, Masataka, Watanabe, Shun, Kuroda, Shin-ichi
Format:	Artikel
Sprache:	eng
Schlagworte:	chemical doping Conductivity conjugated polymers Crystal structure Dopants Electron paramagnetic resonance Electron spin resonance polarons Polymers self-assembled monolayer Signatures Spectroscopy
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creator	Tanaka, Hisaaki Hirate, Masataka Watanabe, Shun Kuroda, Shin-ichi
description	Fluoroalkylsilane (FTS) acts as an efficient p‐type dopant for organic semiconductors. FTS‐doped films of the semicrystalline PBTTT polymer exhibit relatively high conductivities. We demonstrate that highly doped PBTTT films exhibit a metallic nature with clear Pauli paramagnetism as observed microscopically using electron spin resonance spectroscopy. The metallic state is realized within crystalline grains, as confirmed from the anisotropy of the ESR signal.
doi_str_mv	10.1002/adma.201304691
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subjects	chemical doping Conductivity conjugated polymers Crystal structure Dopants Electron paramagnetic resonance Electron spin resonance polarons Polymers self-assembled monolayer Signatures Spectroscopy
title	Microscopic Signature of Metallic State in Semicrystalline Conjugated Polymers Doped with Fluoroalkylsilane Molecules
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