Power losses in bilayer inverted small molecule organic solar cells

Cong Trinh; Jonathan R. Bakke; Thomas P. Brennan; Stacey F. Bent; Francisco Navarro; Andrew Bartynski; Mark E. Thompson

doi:10.1063/1.4769440

Power losses in bilayer inverted small molecule organic solar cells

Cong Trinh, Jonathan R. Bakke, Thomas P. Brennan, Stacey F. Bent, Francisco Navarro, Andrew Bartynski, Mark E. Thompson

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Abstract

Inverted bilayer organic solar cells using copper phthalocyanine (CuPc) as a donor and C60 as an acceptor with the structure: glass/indium tin oxide (ITO)/ZnO/C60/CuPc/MoO3/Al, in which the zinc oxide (ZnO) was deposited by atomic layer deposition, are compared with a conventional device: glass/ITO/CuPc/C60/bathocuproine/Al. These inverted and conventional devices give short circuit currents of 3.7 and 4.8 mA/cm 2, respectively. However, the inverted device gives a reduced photoresponse from the CuPc donor compared to that of the conventional device. Optical field models show that the arrangement of organic layers in the inverted devices leads to lower absorption of long wavelengths by the CuPc donor; the low energy portion of the spectrum is concentrated near the metal oxide electrode in both devices. © 2012 American Institute of Physics.

Original language	English (US)
Pages (from-to)	233903
Journal	Applied Physics Letters
Volume	101
Issue number	23
DOIs	https://doi.org/10.1063/1.4769440
State	Published - Dec 6 2012
Externally published	Yes

Bibliographical note

KAUST Repository Item: Exported on 2020-10-01
Acknowledged KAUST grant number(s): KUS-C1-015-21
Acknowledgements: We acknowledge financial support from the Global Photonic Energy Corporation (GPEC), the King Abdullah University of Science and Technology (KAUST, KUS-C1-015-21), and the National Science Foundation Solar Energy Initiative (SOLAR, CHE-0934098). J.R.B. acknowledges funding from the National Science Foundation (NSF) Graduate Fellowship under Grant No. DGE-0645962. T.P.B. is supported by an Albion Walter Hewlett Fellowship. We would like to thank Dr. Cody Schlenker and Dr. Zhiwei Liu for helpful discussions.
This publication acknowledges KAUST support, but has no KAUST affiliated authors.

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title = "Power losses in bilayer inverted small molecule organic solar cells",

abstract = "Inverted bilayer organic solar cells using copper phthalocyanine (CuPc) as a donor and C60 as an acceptor with the structure: glass/indium tin oxide (ITO)/ZnO/C60/CuPc/MoO3/Al, in which the zinc oxide (ZnO) was deposited by atomic layer deposition, are compared with a conventional device: glass/ITO/CuPc/C60/bathocuproine/Al. These inverted and conventional devices give short circuit currents of 3.7 and 4.8 mA/cm 2, respectively. However, the inverted device gives a reduced photoresponse from the CuPc donor compared to that of the conventional device. Optical field models show that the arrangement of organic layers in the inverted devices leads to lower absorption of long wavelengths by the CuPc donor; the low energy portion of the spectrum is concentrated near the metal oxide electrode in both devices. {\textcopyright} 2012 American Institute of Physics.",

author = "Cong Trinh and Bakke, {Jonathan R.} and Brennan, {Thomas P.} and Bent, {Stacey F.} and Francisco Navarro and Andrew Bartynski and Thompson, {Mark E.}",

note = "KAUST Repository Item: Exported on 2020-10-01 Acknowledged KAUST grant number(s): KUS-C1-015-21 Acknowledgements: We acknowledge financial support from the Global Photonic Energy Corporation (GPEC), the King Abdullah University of Science and Technology (KAUST, KUS-C1-015-21), and the National Science Foundation Solar Energy Initiative (SOLAR, CHE-0934098). J.R.B. acknowledges funding from the National Science Foundation (NSF) Graduate Fellowship under Grant No. DGE-0645962. T.P.B. is supported by an Albion Walter Hewlett Fellowship. We would like to thank Dr. Cody Schlenker and Dr. Zhiwei Liu for helpful discussions. This publication acknowledges KAUST support, but has no KAUST affiliated authors.",

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doi = "10.1063/1.4769440",

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AU - Trinh, Cong

AU - Bakke, Jonathan R.

AU - Brennan, Thomas P.

AU - Bent, Stacey F.

AU - Navarro, Francisco

AU - Bartynski, Andrew

AU - Thompson, Mark E.

N1 - KAUST Repository Item: Exported on 2020-10-01 Acknowledged KAUST grant number(s): KUS-C1-015-21 Acknowledgements: We acknowledge financial support from the Global Photonic Energy Corporation (GPEC), the King Abdullah University of Science and Technology (KAUST, KUS-C1-015-21), and the National Science Foundation Solar Energy Initiative (SOLAR, CHE-0934098). J.R.B. acknowledges funding from the National Science Foundation (NSF) Graduate Fellowship under Grant No. DGE-0645962. T.P.B. is supported by an Albion Walter Hewlett Fellowship. We would like to thank Dr. Cody Schlenker and Dr. Zhiwei Liu for helpful discussions. This publication acknowledges KAUST support, but has no KAUST affiliated authors.

PY - 2012/12/6

Y1 - 2012/12/6

N2 - Inverted bilayer organic solar cells using copper phthalocyanine (CuPc) as a donor and C60 as an acceptor with the structure: glass/indium tin oxide (ITO)/ZnO/C60/CuPc/MoO3/Al, in which the zinc oxide (ZnO) was deposited by atomic layer deposition, are compared with a conventional device: glass/ITO/CuPc/C60/bathocuproine/Al. These inverted and conventional devices give short circuit currents of 3.7 and 4.8 mA/cm 2, respectively. However, the inverted device gives a reduced photoresponse from the CuPc donor compared to that of the conventional device. Optical field models show that the arrangement of organic layers in the inverted devices leads to lower absorption of long wavelengths by the CuPc donor; the low energy portion of the spectrum is concentrated near the metal oxide electrode in both devices. © 2012 American Institute of Physics.

AB - Inverted bilayer organic solar cells using copper phthalocyanine (CuPc) as a donor and C60 as an acceptor with the structure: glass/indium tin oxide (ITO)/ZnO/C60/CuPc/MoO3/Al, in which the zinc oxide (ZnO) was deposited by atomic layer deposition, are compared with a conventional device: glass/ITO/CuPc/C60/bathocuproine/Al. These inverted and conventional devices give short circuit currents of 3.7 and 4.8 mA/cm 2, respectively. However, the inverted device gives a reduced photoresponse from the CuPc donor compared to that of the conventional device. Optical field models show that the arrangement of organic layers in the inverted devices leads to lower absorption of long wavelengths by the CuPc donor; the low energy portion of the spectrum is concentrated near the metal oxide electrode in both devices. © 2012 American Institute of Physics.

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Power losses in bilayer inverted small molecule organic solar cells

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