Characterization of intrinsic hole transport in single-crystal spiro-OMeTAD

Solar Cells: Intermolecular packing and molecular structure determine hole transport How the molecular packing ordering impact the hole-transport mechanism of an important hole-transport material in solid-state-dye-sensitized solar cells and perovskite solar cells is deciphered. A team led by Jean-L...

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Autores principales:	Yuan Li, Haoyuan Li, Cheng Zhong, Gjergji Sini, Jean-Luc Brédas
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Electronics TK7800-8360 Materials of engineering and construction. Mechanics of materials TA401-492
Acceso en línea:	https://doaj.org/article/89b767054c534dde9da55ce33b0ce494
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spelling	oai:doaj.org-article:89b767054c534dde9da55ce33b0ce4942021-12-02T13:43:50ZCharacterization of intrinsic hole transport in single-crystal spiro-OMeTAD10.1038/s41528-017-0002-02397-4621https://doaj.org/article/89b767054c534dde9da55ce33b0ce4942017-09-01T00:00:00Zhttps://doi.org/10.1038/s41528-017-0002-0https://doaj.org/toc/2397-4621Solar Cells: Intermolecular packing and molecular structure determine hole transport How the molecular packing ordering impact the hole-transport mechanism of an important hole-transport material in solid-state-dye-sensitized solar cells and perovskite solar cells is deciphered. A team led by Jean-Luc Brédas at King Abdullah University of Science and Technology performed a theoretical characterization of the hole-transport mechanism in 2,2′,7,7′-tetrakis(N,N-di-p-methoxyphenyl-amine)9,9′-spirobifluorene (spiro-OMeTAD), which has been recently reported to exhibit three-order-magnitude enhanced hole mobility in its single crystal phase compared to spin-coated thin films. The results show that hole transport strongly prefers only one crystal axis, along which the characteristics of intermolecular packing and molecular structure determine the pathway of holes through the functional layer. The finding underlines the strong correlation between molecular and crystal structures and intrinsic electronic properties of molecular conductors, and might help guide better design of hole-transport materials for hybrid solar cell devices.Yuan LiHaoyuan LiCheng ZhongGjergji SiniJean-Luc BrédasNature PortfolioarticleElectronicsTK7800-8360Materials of engineering and construction. Mechanics of materialsTA401-492ENnpj Flexible Electronics, Vol 1, Iss 1, Pp 1-8 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Electronics TK7800-8360 Materials of engineering and construction. Mechanics of materials TA401-492
spellingShingle	Electronics TK7800-8360 Materials of engineering and construction. Mechanics of materials TA401-492 Yuan Li Haoyuan Li Cheng Zhong Gjergji Sini Jean-Luc Brédas Characterization of intrinsic hole transport in single-crystal spiro-OMeTAD
description	Solar Cells: Intermolecular packing and molecular structure determine hole transport How the molecular packing ordering impact the hole-transport mechanism of an important hole-transport material in solid-state-dye-sensitized solar cells and perovskite solar cells is deciphered. A team led by Jean-Luc Brédas at King Abdullah University of Science and Technology performed a theoretical characterization of the hole-transport mechanism in 2,2′,7,7′-tetrakis(N,N-di-p-methoxyphenyl-amine)9,9′-spirobifluorene (spiro-OMeTAD), which has been recently reported to exhibit three-order-magnitude enhanced hole mobility in its single crystal phase compared to spin-coated thin films. The results show that hole transport strongly prefers only one crystal axis, along which the characteristics of intermolecular packing and molecular structure determine the pathway of holes through the functional layer. The finding underlines the strong correlation between molecular and crystal structures and intrinsic electronic properties of molecular conductors, and might help guide better design of hole-transport materials for hybrid solar cell devices.
format	article
author	Yuan Li Haoyuan Li Cheng Zhong Gjergji Sini Jean-Luc Brédas
author_facet	Yuan Li Haoyuan Li Cheng Zhong Gjergji Sini Jean-Luc Brédas
author_sort	Yuan Li
title	Characterization of intrinsic hole transport in single-crystal spiro-OMeTAD
title_short	Characterization of intrinsic hole transport in single-crystal spiro-OMeTAD
title_full	Characterization of intrinsic hole transport in single-crystal spiro-OMeTAD
title_fullStr	Characterization of intrinsic hole transport in single-crystal spiro-OMeTAD
title_full_unstemmed	Characterization of intrinsic hole transport in single-crystal spiro-OMeTAD
title_sort	characterization of intrinsic hole transport in single-crystal spiro-ometad
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/89b767054c534dde9da55ce33b0ce494
work_keys_str_mv	AT yuanli characterizationofintrinsicholetransportinsinglecrystalspiroometad AT haoyuanli characterizationofintrinsicholetransportinsinglecrystalspiroometad AT chengzhong characterizationofintrinsicholetransportinsinglecrystalspiroometad AT gjergjisini characterizationofintrinsicholetransportinsinglecrystalspiroometad AT jeanlucbredas characterizationofintrinsicholetransportinsinglecrystalspiroometad
_version_	1718392566539354112

Characterization of intrinsic hole transport in single-crystal spiro-OMeTAD

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