Thermally induced crystallization, hole-transport, NLO and photovoltaic activity of a bis-diarylamine-based push-pull molecule

Abstract The synthesis of a molecule constituted of two diarylamine-based push-pull chromophores covalently linked via their nitrogen atom is described. Comparison of the electronic properties with the parent monomer shows that dimerization has negligible influence on the electronic properties of th...

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Autores principales:	Yue Jiang, Magali Allain, Denis Gindre, Sylvie Dabos-Seignon, Philippe Blanchard, Clément Cabanetos, Jean Roncali
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/ba783f81e24b4170b4c79fe7d116fa21
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spelling	oai:doaj.org-article:ba783f81e24b4170b4c79fe7d116fa212021-12-02T16:06:44ZThermally induced crystallization, hole-transport, NLO and photovoltaic activity of a bis-diarylamine-based push-pull molecule10.1038/s41598-017-08606-62045-2322https://doaj.org/article/ba783f81e24b4170b4c79fe7d116fa212017-08-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-08606-6https://doaj.org/toc/2045-2322Abstract The synthesis of a molecule constituted of two diarylamine-based push-pull chromophores covalently linked via their nitrogen atom is described. Comparison of the electronic properties with the parent monomer shows that dimerization has negligible influence on the electronic properties of the molecule but exerts a dramatic impact on the capacity of the material to self-reorganize. Application of thermal annealing to thin films induces the crystallization under original morphologies, a process accompanied by a partial bleaching of the absorption in the visible range and by a huge increase of hole-mobility. X-ray diffraction data on single crystals reveal the presence of π-stacked organization with a non-centrosymmetric co-facial arrangement of the dipoles which leads to intrinsic 2nd order bulk NLO properties of thin films as evidenced by second harmonic generation under 800 nm laser light. The implications of this thermally induced crystallization on the photovoltaic properties of the material are discussed on the basis of preliminary results obtained on simple bilayer organic solar cells.Yue JiangMagali AllainDenis GindreSylvie Dabos-SeignonPhilippe BlanchardClément CabanetosJean RoncaliNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-8 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Yue Jiang Magali Allain Denis Gindre Sylvie Dabos-Seignon Philippe Blanchard Clément Cabanetos Jean Roncali Thermally induced crystallization, hole-transport, NLO and photovoltaic activity of a bis-diarylamine-based push-pull molecule
description	Abstract The synthesis of a molecule constituted of two diarylamine-based push-pull chromophores covalently linked via their nitrogen atom is described. Comparison of the electronic properties with the parent monomer shows that dimerization has negligible influence on the electronic properties of the molecule but exerts a dramatic impact on the capacity of the material to self-reorganize. Application of thermal annealing to thin films induces the crystallization under original morphologies, a process accompanied by a partial bleaching of the absorption in the visible range and by a huge increase of hole-mobility. X-ray diffraction data on single crystals reveal the presence of π-stacked organization with a non-centrosymmetric co-facial arrangement of the dipoles which leads to intrinsic 2nd order bulk NLO properties of thin films as evidenced by second harmonic generation under 800 nm laser light. The implications of this thermally induced crystallization on the photovoltaic properties of the material are discussed on the basis of preliminary results obtained on simple bilayer organic solar cells.
format	article
author	Yue Jiang Magali Allain Denis Gindre Sylvie Dabos-Seignon Philippe Blanchard Clément Cabanetos Jean Roncali
author_facet	Yue Jiang Magali Allain Denis Gindre Sylvie Dabos-Seignon Philippe Blanchard Clément Cabanetos Jean Roncali
author_sort	Yue Jiang
title	Thermally induced crystallization, hole-transport, NLO and photovoltaic activity of a bis-diarylamine-based push-pull molecule
title_short	Thermally induced crystallization, hole-transport, NLO and photovoltaic activity of a bis-diarylamine-based push-pull molecule
title_full	Thermally induced crystallization, hole-transport, NLO and photovoltaic activity of a bis-diarylamine-based push-pull molecule
title_fullStr	Thermally induced crystallization, hole-transport, NLO and photovoltaic activity of a bis-diarylamine-based push-pull molecule
title_full_unstemmed	Thermally induced crystallization, hole-transport, NLO and photovoltaic activity of a bis-diarylamine-based push-pull molecule
title_sort	thermally induced crystallization, hole-transport, nlo and photovoltaic activity of a bis-diarylamine-based push-pull molecule
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/ba783f81e24b4170b4c79fe7d116fa21
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Thermally induced crystallization, hole-transport, NLO and photovoltaic activity of a bis-diarylamine-based push-pull molecule

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