Re-evaluating the role of sterics and electronic coupling in determining the open-circuit voltage of organic solar cells

Kenneth Graham; Patrick Erwin; Dennis Nordlund; Koen Vandewal; Ruipeng Li; Guy Olivier Ngongang Ndjawa; Eric T. Hoke; Alberto Salleo; Mark E. Thompson; Michael D. McGehee; Aram Amassian

doi:10.1002/adma.201301319

Re-evaluating the role of sterics and electronic coupling in determining the open-circuit voltage of organic solar cells

Kenneth Graham, Patrick Erwin, Dennis Nordlund, Koen Vandewal, Ruipeng Li, Guy Olivier Ngongang Ndjawa, Eric T. Hoke, Alberto Salleo, Mark E. Thompson, Michael D. McGehee, Aram Amassian

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Abstract

The effects of sterics and molecular orientation on the open-circuit voltage and absorbance properties of charge-transfer states are explored in model bilayer organic photovoltaics. It is shown that the open-circuit voltage correlates linearly with the charge-transfer state energy and is not significantly influenced by electronic coupling. © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Original language	English (US)
Pages (from-to)	6076-6082
Number of pages	7
Journal	Advanced Materials
Volume	25
Issue number	42
DOIs	https://doi.org/10.1002/adma.201301319 https://doi.org/10.1002/adma.201370264
State	Published - Jul 30 2013

Bibliographical note

KAUST Repository Item: Exported on 2020-10-01
Acknowledged KAUST grant number(s): KUS-C1-015-21
Acknowledgements: This publication was supported by the Center for Advanced Molecular Photovoltaics (Award No KUS-C1-015-21) and was made possible by King Abdullah University of Science and Technology (KAUST). Portions of this research were carried out at the Stanford Synchrotron Radiation Lightsource, a Directorate of SLAC National Accelerator Laboratory and an Office of Science User Facility operated for the US Department of Energy Office of Science by Stanford University. We also acknowledge Michael F. Toney for assistance with GIWAXS measurements at beamline 11-3. K.R.G. and A.A. acknowledge SABIC for a post-doctoral fellowship. G.O.N.N., K.R.G., M.D.M., and A.A. acknowledge the Office of Competitive Research Funds for a GRP-CF award. This work was partially supported by the Department of Energy, Laboratory Directed Research and Development funding, under contract DE-AC02-76SF00515 (K.V.).

ASJC Scopus subject areas

Mechanics of Materials
General Materials Science
Mechanical Engineering

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Graham, K., Erwin, P., Nordlund, D., Vandewal, K., Li, R., Ngongang Ndjawa, G. O., Hoke, E. T., Salleo, A., Thompson, M. E., McGehee, M. D., & Amassian, A. (2013). Re-evaluating the role of sterics and electronic coupling in determining the open-circuit voltage of organic solar cells. Advanced Materials, 25(42), 6076-6082. https://doi.org/10.1002/adma.201301319, https://doi.org/10.1002/adma.201370264

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title = "Re-evaluating the role of sterics and electronic coupling in determining the open-circuit voltage of organic solar cells",

abstract = "The effects of sterics and molecular orientation on the open-circuit voltage and absorbance properties of charge-transfer states are explored in model bilayer organic photovoltaics. It is shown that the open-circuit voltage correlates linearly with the charge-transfer state energy and is not significantly influenced by electronic coupling. {\textcopyright} 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.",

author = "Kenneth Graham and Patrick Erwin and Dennis Nordlund and Koen Vandewal and Ruipeng Li and {Ngongang Ndjawa}, {Guy Olivier} and Hoke, {Eric T.} and Alberto Salleo and Thompson, {Mark E.} and McGehee, {Michael D.} and Aram Amassian",

note = "KAUST Repository Item: Exported on 2020-10-01 Acknowledged KAUST grant number(s): KUS-C1-015-21 Acknowledgements: This publication was supported by the Center for Advanced Molecular Photovoltaics (Award No KUS-C1-015-21) and was made possible by King Abdullah University of Science and Technology (KAUST). Portions of this research were carried out at the Stanford Synchrotron Radiation Lightsource, a Directorate of SLAC National Accelerator Laboratory and an Office of Science User Facility operated for the US Department of Energy Office of Science by Stanford University. We also acknowledge Michael F. Toney for assistance with GIWAXS measurements at beamline 11-3. K.R.G. and A.A. acknowledge SABIC for a post-doctoral fellowship. G.O.N.N., K.R.G., M.D.M., and A.A. acknowledge the Office of Competitive Research Funds for a GRP-CF award. This work was partially supported by the Department of Energy, Laboratory Directed Research and Development funding, under contract DE-AC02-76SF00515 (K.V.).",

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Graham, K, Erwin, P, Nordlund, D, Vandewal, K, Li, R, Ngongang Ndjawa, GO, Hoke, ET, Salleo, A, Thompson, ME, McGehee, MD & Amassian, A 2013, 'Re-evaluating the role of sterics and electronic coupling in determining the open-circuit voltage of organic solar cells', Advanced Materials, vol. 25, no. 42, pp. 6076-6082. https://doi.org/10.1002/adma.201301319, https://doi.org/10.1002/adma.201370264

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AU - Erwin, Patrick

AU - Nordlund, Dennis

AU - Vandewal, Koen

AU - Li, Ruipeng

AU - Ngongang Ndjawa, Guy Olivier

AU - Hoke, Eric T.

AU - Salleo, Alberto

AU - Thompson, Mark E.

AU - McGehee, Michael D.

AU - Amassian, Aram

N1 - KAUST Repository Item: Exported on 2020-10-01 Acknowledged KAUST grant number(s): KUS-C1-015-21 Acknowledgements: This publication was supported by the Center for Advanced Molecular Photovoltaics (Award No KUS-C1-015-21) and was made possible by King Abdullah University of Science and Technology (KAUST). Portions of this research were carried out at the Stanford Synchrotron Radiation Lightsource, a Directorate of SLAC National Accelerator Laboratory and an Office of Science User Facility operated for the US Department of Energy Office of Science by Stanford University. We also acknowledge Michael F. Toney for assistance with GIWAXS measurements at beamline 11-3. K.R.G. and A.A. acknowledge SABIC for a post-doctoral fellowship. G.O.N.N., K.R.G., M.D.M., and A.A. acknowledge the Office of Competitive Research Funds for a GRP-CF award. This work was partially supported by the Department of Energy, Laboratory Directed Research and Development funding, under contract DE-AC02-76SF00515 (K.V.).

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AB - The effects of sterics and molecular orientation on the open-circuit voltage and absorbance properties of charge-transfer states are explored in model bilayer organic photovoltaics. It is shown that the open-circuit voltage correlates linearly with the charge-transfer state energy and is not significantly influenced by electronic coupling. © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

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Re-evaluating the role of sterics and electronic coupling in determining the open-circuit voltage of organic solar cells

Abstract

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