Polyvinylpyrrolidone-modified indium tin oxide as an electron-collecting electrode for inverted polymer solar cells

J. W. Shim; H. Cheun; J. Meyer; C. Fuentes-Hernandez; A. Dindar; Y. H. Zhou; D. K. Hwang; A. Kahn; B. Kippelen

doi:10.1063/1.4745772

Polyvinylpyrrolidone-modified indium tin oxide as an electron-collecting electrode for inverted polymer solar cells

J. W. Shim
, H. Cheun
, J. Meyer
, C. Fuentes-Hernandez
, A. Dindar
, Y. H. Zhou
, D. K. Hwang
, A. Kahn
, B. Kippelen

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

27 Scopus citations

Abstract

We report on the photovoltaic properties of inverted polymer solar cells that use a polyvinylpyrrolidone (PVP) modified indium tin oxide (ITO) layer as the electron-collecting electrode. An ultrathin PVP layer, prepared by spin-coating, on top of ITO, was used to induce a reduction of its work function, allowing it to act as an electron-collecting electrode. Devices made on pristine ITO showed s-shape current-voltage characteristics, which were removed after exposure to ultraviolet radiation due to a reduction of the work function of ITO. Inverted solar cells with ITO/PVP electrodes yield efficiencies comparable to devices with ITO/ZnO electron-selective electrodes.

Original language	English (US)
Article number	073303
Journal	Applied Physics Letters
Volume	101
Issue number	7
DOIs	https://doi.org/10.1063/1.4745772
State	Published - Aug 13 2012

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.4745772

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@article{31dba3de2f08423cbb3a3378e1fb6d6b,

title = "Polyvinylpyrrolidone-modified indium tin oxide as an electron-collecting electrode for inverted polymer solar cells",

abstract = "We report on the photovoltaic properties of inverted polymer solar cells that use a polyvinylpyrrolidone (PVP) modified indium tin oxide (ITO) layer as the electron-collecting electrode. An ultrathin PVP layer, prepared by spin-coating, on top of ITO, was used to induce a reduction of its work function, allowing it to act as an electron-collecting electrode. Devices made on pristine ITO showed s-shape current-voltage characteristics, which were removed after exposure to ultraviolet radiation due to a reduction of the work function of ITO. Inverted solar cells with ITO/PVP electrodes yield efficiencies comparable to devices with ITO/ZnO electron-selective electrodes.",

author = "Shim, \{J. W.\} and H. Cheun and J. Meyer and C. Fuentes-Hernandez and A. Dindar and Zhou, \{Y. H.\} and Hwang, \{D. K.\} and A. Kahn and B. Kippelen",

note = "Funding Information: This material was funded in part through the Center for Interface Science: Solar Electric Materials, an Energy Frontier Research Center funded by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences under Award Number DE-SC0001084 (Y.Z., J.S., J.M., H.C.; A.K.), by the STC Program of the National Science Foundation under Agreement No. DMR-0120967 (C.F.H., A.D., D.K.H.), and by the Office of Naval Research (Grant No. N00014-1-1-0313) (B.K.). J.M. acknowledges the Deutsche Forschungsgemeinschaft (DFG) for generous support within the postdoctoral fellowship program.",

year = "2012",

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doi = "10.1063/1.4745772",

language = "English (US)",

volume = "101",

journal = "Applied Physics Letters",

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AU - Shim, J. W.

AU - Cheun, H.

AU - Meyer, J.

AU - Fuentes-Hernandez, C.

AU - Dindar, A.

AU - Zhou, Y. H.

AU - Hwang, D. K.

AU - Kahn, A.

AU - Kippelen, B.

N1 - Funding Information: This material was funded in part through the Center for Interface Science: Solar Electric Materials, an Energy Frontier Research Center funded by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences under Award Number DE-SC0001084 (Y.Z., J.S., J.M., H.C.; A.K.), by the STC Program of the National Science Foundation under Agreement No. DMR-0120967 (C.F.H., A.D., D.K.H.), and by the Office of Naval Research (Grant No. N00014-1-1-0313) (B.K.). J.M. acknowledges the Deutsche Forschungsgemeinschaft (DFG) for generous support within the postdoctoral fellowship program.

PY - 2012/8/13

Y1 - 2012/8/13

N2 - We report on the photovoltaic properties of inverted polymer solar cells that use a polyvinylpyrrolidone (PVP) modified indium tin oxide (ITO) layer as the electron-collecting electrode. An ultrathin PVP layer, prepared by spin-coating, on top of ITO, was used to induce a reduction of its work function, allowing it to act as an electron-collecting electrode. Devices made on pristine ITO showed s-shape current-voltage characteristics, which were removed after exposure to ultraviolet radiation due to a reduction of the work function of ITO. Inverted solar cells with ITO/PVP electrodes yield efficiencies comparable to devices with ITO/ZnO electron-selective electrodes.

AB - We report on the photovoltaic properties of inverted polymer solar cells that use a polyvinylpyrrolidone (PVP) modified indium tin oxide (ITO) layer as the electron-collecting electrode. An ultrathin PVP layer, prepared by spin-coating, on top of ITO, was used to induce a reduction of its work function, allowing it to act as an electron-collecting electrode. Devices made on pristine ITO showed s-shape current-voltage characteristics, which were removed after exposure to ultraviolet radiation due to a reduction of the work function of ITO. Inverted solar cells with ITO/PVP electrodes yield efficiencies comparable to devices with ITO/ZnO electron-selective electrodes.

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ER -

Polyvinylpyrrolidone-modified indium tin oxide as an electron-collecting electrode for inverted polymer solar cells

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