Interfacial molecular order of conjugated polymer in P3HT:ZnO bilayer photovoltaics and its impact on device performance

Sebastian Wood; Joseph B. Franklin; Paul N. Stavrinou; Martyn A. McLachlan; Ji-Seon Kim

doi:10.1063/1.4824847

Interfacial molecular order of conjugated polymer in P3HT:ZnO bilayer photovoltaics and its impact on device performance

Sebastian Wood, Joseph B. Franklin, Paul N. Stavrinou, Martyn A. McLachlan, Ji-Seon Kim

Research output: Contribution to journal › Article › peer-review

12 Scopus citations

Abstract

Hybrid (organic-oxide) photovoltaic device performance is highly dependent on the nature and quality of the organic-oxide interface. This work investigates the details of interfacial morphology in terms of the molecular order of poly(3-hexylthiophene) (P3HT) at the planar interface with zinc oxide (ZnO) formed by pulsed laser deposition. Resonant Raman spectroscopy is employed as a powerful morphological probe for conjugated polymers to reveal that the interfacial P3HT is disrupted during the deposition process whereas the bulk polymer shows an increase in molecular order. External quantum efficiency measurements of P3HT:ZnO bilayer devices show that this disordered P3HT region is active in photocurrent generation. © 2013 AIP Publishing LLC.

Original language	English (US)
Pages (from-to)	153304
Journal	Applied Physics Letters
Volume	103
Issue number	15
DOIs	https://doi.org/10.1063/1.4824847
State	Published - Oct 11 2013
Externally published	Yes

Bibliographical note

KAUST Repository Item: Exported on 2020-10-01
Acknowledgements: The authors gratefully acknowledge funding provided by the EPSRC Centre for Doctoral Training (EP/G037515/1) and World Class University (WCU) program in Korea (Grant No. R32-10051). J.B.F. is grateful to KAUST for research funding. Thanks are due to Jonathan Downing (IC) for preliminary experimental work.
This publication acknowledges KAUST support, but has no KAUST affiliated authors.

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@article{8fc5ed6b250541ba9713aa94959da375,

title = "Interfacial molecular order of conjugated polymer in P3HT:ZnO bilayer photovoltaics and its impact on device performance",

abstract = "Hybrid (organic-oxide) photovoltaic device performance is highly dependent on the nature and quality of the organic-oxide interface. This work investigates the details of interfacial morphology in terms of the molecular order of poly(3-hexylthiophene) (P3HT) at the planar interface with zinc oxide (ZnO) formed by pulsed laser deposition. Resonant Raman spectroscopy is employed as a powerful morphological probe for conjugated polymers to reveal that the interfacial P3HT is disrupted during the deposition process whereas the bulk polymer shows an increase in molecular order. External quantum efficiency measurements of P3HT:ZnO bilayer devices show that this disordered P3HT region is active in photocurrent generation. {\textcopyright} 2013 AIP Publishing LLC.",

author = "Sebastian Wood and Franklin, {Joseph B.} and Stavrinou, {Paul N.} and McLachlan, {Martyn A.} and Ji-Seon Kim",

note = "KAUST Repository Item: Exported on 2020-10-01 Acknowledgements: The authors gratefully acknowledge funding provided by the EPSRC Centre for Doctoral Training (EP/G037515/1) and World Class University (WCU) program in Korea (Grant No. R32-10051). J.B.F. is grateful to KAUST for research funding. Thanks are due to Jonathan Downing (IC) for preliminary experimental work. This publication acknowledges KAUST support, but has no KAUST affiliated authors.",

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AU - Franklin, Joseph B.

AU - Stavrinou, Paul N.

AU - McLachlan, Martyn A.

AU - Kim, Ji-Seon

N1 - KAUST Repository Item: Exported on 2020-10-01 Acknowledgements: The authors gratefully acknowledge funding provided by the EPSRC Centre for Doctoral Training (EP/G037515/1) and World Class University (WCU) program in Korea (Grant No. R32-10051). J.B.F. is grateful to KAUST for research funding. Thanks are due to Jonathan Downing (IC) for preliminary experimental work. This publication acknowledges KAUST support, but has no KAUST affiliated authors.

PY - 2013/10/11

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N2 - Hybrid (organic-oxide) photovoltaic device performance is highly dependent on the nature and quality of the organic-oxide interface. This work investigates the details of interfacial morphology in terms of the molecular order of poly(3-hexylthiophene) (P3HT) at the planar interface with zinc oxide (ZnO) formed by pulsed laser deposition. Resonant Raman spectroscopy is employed as a powerful morphological probe for conjugated polymers to reveal that the interfacial P3HT is disrupted during the deposition process whereas the bulk polymer shows an increase in molecular order. External quantum efficiency measurements of P3HT:ZnO bilayer devices show that this disordered P3HT region is active in photocurrent generation. © 2013 AIP Publishing LLC.

AB - Hybrid (organic-oxide) photovoltaic device performance is highly dependent on the nature and quality of the organic-oxide interface. This work investigates the details of interfacial morphology in terms of the molecular order of poly(3-hexylthiophene) (P3HT) at the planar interface with zinc oxide (ZnO) formed by pulsed laser deposition. Resonant Raman spectroscopy is employed as a powerful morphological probe for conjugated polymers to reveal that the interfacial P3HT is disrupted during the deposition process whereas the bulk polymer shows an increase in molecular order. External quantum efficiency measurements of P3HT:ZnO bilayer devices show that this disordered P3HT region is active in photocurrent generation. © 2013 AIP Publishing LLC.

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DO - 10.1063/1.4824847

M3 - Article

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JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 15

ER -

Interfacial molecular order of conjugated polymer in P3HT:ZnO bilayer photovoltaics and its impact on device performance

Abstract

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