ZnO hybrid photovoltaics with variable side-chain lengths of thienothiophene polymer

Seungjin Han; Zhuping Fei; K. D.G.I. Jayawardena; Michail J. Beliatis; Yoon Bong Hahn; A. A.D.T. Adikaari; Martin J. Heeney; S. Ravi P. Silva

doi:10.1016/j.tsf.2014.12.025

ZnO hybrid photovoltaics with variable side-chain lengths of thienothiophene polymer

Seungjin Han, Zhuping Fei, K. D.G.I. Jayawardena, Michail J. Beliatis, Yoon Bong Hahn, A. A.D.T. Adikaari, Martin J. Heeney, S. Ravi P. Silva

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

4 Scopus citations

Abstract

The effect of the side-chain length of poly(3,6-dialkylthieno[3,2-b]thiophene-co-bithiophene) (pATBT) on the performance of hybrid polymer-metal oxide photovoltaics (PVs) utilizing zinc oxide (ZnO) acceptor is investigated. The pATBT attached with a dodecyl side chain (pATBT-C12) in hybrid photovoltaics with ZnO was compared to pATBT with a hexadecyl side chain (pATBT-C16). Atomic force microscopic analysis reveals a smoother surface for the pATBT-C16 photoactive layer compared to the pATBT-C12. For hybrid PVs using pATBT-C16, the relative intensity of the external quantum efficiency (EQE) increased particularly in wavelength region associated with the ZnO. Furthermore, the EQE spectrum shows a red shift for pATBT-C16 indicating better structural ordering compared to hybrid PVs with pATBT-C12. As a result, the hybrid PV utilizing pATBT-C16:ZnO blend layer is observed to display a better performance with a power conversion efficiency of 1.02% compared to 0.672% of pATBT-C12:ZnO PV.

Original language	English (US)
Pages (from-to)	38-41
Number of pages	4
Journal	Thin Solid Films
Volume	576
DOIs	https://doi.org/10.1016/j.tsf.2014.12.025
State	Published - Feb 2 2015
Externally published	Yes

ASJC Scopus subject areas

Materials Chemistry
Surfaces and Interfaces
Electronic, Optical and Magnetic Materials
Surfaces, Coatings and Films
Metals and Alloys

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10.1016/j.tsf.2014.12.025

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title = "ZnO hybrid photovoltaics with variable side-chain lengths of thienothiophene polymer",

abstract = "The effect of the side-chain length of poly(3,6-dialkylthieno[3,2-b]thiophene-co-bithiophene) (pATBT) on the performance of hybrid polymer-metal oxide photovoltaics (PVs) utilizing zinc oxide (ZnO) acceptor is investigated. The pATBT attached with a dodecyl side chain (pATBT-C12) in hybrid photovoltaics with ZnO was compared to pATBT with a hexadecyl side chain (pATBT-C16). Atomic force microscopic analysis reveals a smoother surface for the pATBT-C16 photoactive layer compared to the pATBT-C12. For hybrid PVs using pATBT-C16, the relative intensity of the external quantum efficiency (EQE) increased particularly in wavelength region associated with the ZnO. Furthermore, the EQE spectrum shows a red shift for pATBT-C16 indicating better structural ordering compared to hybrid PVs with pATBT-C12. As a result, the hybrid PV utilizing pATBT-C16:ZnO blend layer is observed to display a better performance with a power conversion efficiency of 1.02% compared to 0.672% of pATBT-C12:ZnO PV.",

author = "Seungjin Han and Zhuping Fei and Jayawardena, {K. D.G.I.} and Beliatis, {Michail J.} and Hahn, {Yoon Bong} and Adikaari, {A. A.D.T.} and Heeney, {Martin J.} and Silva, {S. Ravi P.}",

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T1 - ZnO hybrid photovoltaics with variable side-chain lengths of thienothiophene polymer

AU - Han, Seungjin

AU - Fei, Zhuping

AU - Jayawardena, K. D.G.I.

AU - Beliatis, Michail J.

AU - Hahn, Yoon Bong

AU - Adikaari, A. A.D.T.

AU - Heeney, Martin J.

AU - Silva, S. Ravi P.

N1 - Generated from Scopus record by KAUST IRTS on 2023-02-14

PY - 2015/2/2

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N2 - The effect of the side-chain length of poly(3,6-dialkylthieno[3,2-b]thiophene-co-bithiophene) (pATBT) on the performance of hybrid polymer-metal oxide photovoltaics (PVs) utilizing zinc oxide (ZnO) acceptor is investigated. The pATBT attached with a dodecyl side chain (pATBT-C12) in hybrid photovoltaics with ZnO was compared to pATBT with a hexadecyl side chain (pATBT-C16). Atomic force microscopic analysis reveals a smoother surface for the pATBT-C16 photoactive layer compared to the pATBT-C12. For hybrid PVs using pATBT-C16, the relative intensity of the external quantum efficiency (EQE) increased particularly in wavelength region associated with the ZnO. Furthermore, the EQE spectrum shows a red shift for pATBT-C16 indicating better structural ordering compared to hybrid PVs with pATBT-C12. As a result, the hybrid PV utilizing pATBT-C16:ZnO blend layer is observed to display a better performance with a power conversion efficiency of 1.02% compared to 0.672% of pATBT-C12:ZnO PV.

AB - The effect of the side-chain length of poly(3,6-dialkylthieno[3,2-b]thiophene-co-bithiophene) (pATBT) on the performance of hybrid polymer-metal oxide photovoltaics (PVs) utilizing zinc oxide (ZnO) acceptor is investigated. The pATBT attached with a dodecyl side chain (pATBT-C12) in hybrid photovoltaics with ZnO was compared to pATBT with a hexadecyl side chain (pATBT-C16). Atomic force microscopic analysis reveals a smoother surface for the pATBT-C16 photoactive layer compared to the pATBT-C12. For hybrid PVs using pATBT-C16, the relative intensity of the external quantum efficiency (EQE) increased particularly in wavelength region associated with the ZnO. Furthermore, the EQE spectrum shows a red shift for pATBT-C16 indicating better structural ordering compared to hybrid PVs with pATBT-C12. As a result, the hybrid PV utilizing pATBT-C16:ZnO blend layer is observed to display a better performance with a power conversion efficiency of 1.02% compared to 0.672% of pATBT-C12:ZnO PV.

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DO - 10.1016/j.tsf.2014.12.025

M3 - Article

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JO - Thin Solid Films

JF - Thin Solid Films

ER -

ZnO hybrid photovoltaics with variable side-chain lengths of thienothiophene polymer

Abstract

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