Roll-coating fabrication of flexible organic solar cells: Comparison of fullerene and fullerene-free systems

Kuan Liu; Thue Trofod Larsen-Olsen; Yuze Lin; Michail Beliatis; Eva Bundgaard; Mikkel Jørgensen; Frederik C. Krebs; Xiaowei Zhan

doi:10.1039/c5ta07357j

Roll-coating fabrication of flexible organic solar cells: Comparison of fullerene and fullerene-free systems

Kuan Liu, Thue Trofod Larsen-Olsen, Yuze Lin, Michail Beliatis, Eva Bundgaard, Mikkel Jørgensen, Frederik C. Krebs, Xiaowei Zhan

Research output: Journal article publication › Journal article › Academic research › peer-review

86 Citations (Scopus)

Abstract

Flexible organic solar cells (OSCs) based on a blend of low-bandgap polymer donor PTB7-TH and non-fullerene small molecule acceptor IEIC were fabricated via a roll-coating process under ambient atmosphere. Both an indium tin oxide (ITO)-free substrate and a flexible ITO substrate were employed in these inverted OSCs. OSCs with flexible ITO and ITO-free substrates exhibited power conversion efficiencies (PCEs) up to 2.26% and 1.79%, respectively, which were comparable to those of the reference devices based on fullerene acceptors under the same conditions. This is the first example for all roll-coating fabrication procedures for flexible OSCs based on non-fullerene acceptors with the PCE exceeding 2%. The fullerene-free OSCs exhibited better dark storage stability than the fullerene-based control devices.

Original language	English
Pages (from-to)	1044-1051
Number of pages	8
Journal	Journal of Materials Chemistry A
Volume	4
Issue number	3
DOIs	https://doi.org/10.1039/c5ta07357j
Publication status	Published - Jan 2016

ASJC Scopus subject areas

General Chemistry
Renewable Energy, Sustainability and the Environment
General Materials Science

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10.1039/c5ta07357j

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title = "Roll-coating fabrication of flexible organic solar cells: Comparison of fullerene and fullerene-free systems",

abstract = "Flexible organic solar cells (OSCs) based on a blend of low-bandgap polymer donor PTB7-TH and non-fullerene small molecule acceptor IEIC were fabricated via a roll-coating process under ambient atmosphere. Both an indium tin oxide (ITO)-free substrate and a flexible ITO substrate were employed in these inverted OSCs. OSCs with flexible ITO and ITO-free substrates exhibited power conversion efficiencies (PCEs) up to 2.26% and 1.79%, respectively, which were comparable to those of the reference devices based on fullerene acceptors under the same conditions. This is the first example for all roll-coating fabrication procedures for flexible OSCs based on non-fullerene acceptors with the PCE exceeding 2%. The fullerene-free OSCs exhibited better dark storage stability than the fullerene-based control devices.",

author = "Kuan Liu and Larsen-Olsen, {Thue Trofod} and Yuze Lin and Michail Beliatis and Eva Bundgaard and Mikkel J{\o}rgensen and Krebs, {Frederik C.} and Xiaowei Zhan",

note = "Funding Information: We thank the NSFC (91433114, 51261130582, and 21025418) and the Danish National Research Foundation for financial support, and this work was carried out in the Danish Chinese Centre of Organic-Based Photovoltaics with Morphological Control. Publisher Copyright: {\textcopyright} 2016 The Royal Society of Chemistry.",

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AU - Liu, Kuan

AU - Larsen-Olsen, Thue Trofod

AU - Lin, Yuze

AU - Beliatis, Michail

AU - Bundgaard, Eva

AU - Jørgensen, Mikkel

AU - Krebs, Frederik C.

AU - Zhan, Xiaowei

N1 - Funding Information: We thank the NSFC (91433114, 51261130582, and 21025418) and the Danish National Research Foundation for financial support, and this work was carried out in the Danish Chinese Centre of Organic-Based Photovoltaics with Morphological Control. Publisher Copyright: © 2016 The Royal Society of Chemistry.

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N2 - Flexible organic solar cells (OSCs) based on a blend of low-bandgap polymer donor PTB7-TH and non-fullerene small molecule acceptor IEIC were fabricated via a roll-coating process under ambient atmosphere. Both an indium tin oxide (ITO)-free substrate and a flexible ITO substrate were employed in these inverted OSCs. OSCs with flexible ITO and ITO-free substrates exhibited power conversion efficiencies (PCEs) up to 2.26% and 1.79%, respectively, which were comparable to those of the reference devices based on fullerene acceptors under the same conditions. This is the first example for all roll-coating fabrication procedures for flexible OSCs based on non-fullerene acceptors with the PCE exceeding 2%. The fullerene-free OSCs exhibited better dark storage stability than the fullerene-based control devices.

AB - Flexible organic solar cells (OSCs) based on a blend of low-bandgap polymer donor PTB7-TH and non-fullerene small molecule acceptor IEIC were fabricated via a roll-coating process under ambient atmosphere. Both an indium tin oxide (ITO)-free substrate and a flexible ITO substrate were employed in these inverted OSCs. OSCs with flexible ITO and ITO-free substrates exhibited power conversion efficiencies (PCEs) up to 2.26% and 1.79%, respectively, which were comparable to those of the reference devices based on fullerene acceptors under the same conditions. This is the first example for all roll-coating fabrication procedures for flexible OSCs based on non-fullerene acceptors with the PCE exceeding 2%. The fullerene-free OSCs exhibited better dark storage stability than the fullerene-based control devices.

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Roll-coating fabrication of flexible organic solar cells: Comparison of fullerene and fullerene-free systems

Abstract

ASJC Scopus subject areas

UN SDGs

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