Transmittance optimized nb-doped TiO2/Sn-doped In 2O3 multilayered photoelectrodes for dye-sensitized solar cells

Dong Hoe Kim, Sangwook Lee, Jong Hoon Park, Jun Hong Noh, Ik Jae Park, Won Mo Seong, Kug Sun Hong

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

We adopt a compact TiO2 (c-TiO2) layer on Nb-doped TiO2 (NTO)/Sn-doped indium oxide (ITO) multilayered electrodes, which are transparent conducting oxide (TCO) electrodes, to improve their transmittance for high-efficiency dye-sensitized solar cells (DSSCs). An NTO layer was deposited on ITO by pulsed laser deposition (PLD) and then a c-TiO2 layer was deposited on the NTO/ITO multilayer by spin-coating a sol. The transmittance spectrum of the c-TiO2/NTO/ITO multilayered photoelectrodes varied with the thickness of TiO2. The short circuit current and energy conversion efficiency of the photoelectrodes also varied with the thickness of the c-TiO2 layer, which is similar behavior to the integrated value of the transmittance in the wavelength range from 500 to 600 nm. Finally, the DSSC employing the 160 nm-thick c-TiO2 layer exhibited the most improved energy conversion efficiency, compared to the DSSC without the c-TiO2 layer. Our results demonstrate that the unfavorable optical properties of TCO, e.g. NTO, for DSSCs can be enhanced by the formation of an additional thin layer, e.g. c-TiO2.

Original languageEnglish
Pages (from-to)276-280
Number of pages5
JournalSolar Energy Materials and Solar Cells
Volume96
Issue number1
DOIs
Publication statusPublished - 2012 Jan 1
Externally publishedYes

Fingerprint

Energy conversion
Oxides
Conversion efficiency
Electrodes
Spin coating
Polymethyl Methacrylate
Pulsed laser deposition
Sols
Short circuit currents
Indium
Multilayers
Optical properties
Wavelength
Dye-sensitized solar cells
indium oxide

Keywords

  • Compact TiO layer
  • Dye-sensitized solar cells (DSSCs)
  • Optical modulation
  • Transparent conducting oxides (TCO)

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Renewable Energy, Sustainability and the Environment
  • Surfaces, Coatings and Films

Cite this

Transmittance optimized nb-doped TiO2/Sn-doped In 2O3 multilayered photoelectrodes for dye-sensitized solar cells. / Kim, Dong Hoe; Lee, Sangwook; Park, Jong Hoon; Noh, Jun Hong; Park, Ik Jae; Seong, Won Mo; Hong, Kug Sun.

In: Solar Energy Materials and Solar Cells, Vol. 96, No. 1, 01.01.2012, p. 276-280.

Research output: Contribution to journalArticle

Kim, Dong Hoe ; Lee, Sangwook ; Park, Jong Hoon ; Noh, Jun Hong ; Park, Ik Jae ; Seong, Won Mo ; Hong, Kug Sun. / Transmittance optimized nb-doped TiO2/Sn-doped In 2O3 multilayered photoelectrodes for dye-sensitized solar cells. In: Solar Energy Materials and Solar Cells. 2012 ; Vol. 96, No. 1. pp. 276-280.
@article{a65e4f054534410a81dd4ca0a80f0eaf,
title = "Transmittance optimized nb-doped TiO2/Sn-doped In 2O3 multilayered photoelectrodes for dye-sensitized solar cells",
abstract = "We adopt a compact TiO2 (c-TiO2) layer on Nb-doped TiO2 (NTO)/Sn-doped indium oxide (ITO) multilayered electrodes, which are transparent conducting oxide (TCO) electrodes, to improve their transmittance for high-efficiency dye-sensitized solar cells (DSSCs). An NTO layer was deposited on ITO by pulsed laser deposition (PLD) and then a c-TiO2 layer was deposited on the NTO/ITO multilayer by spin-coating a sol. The transmittance spectrum of the c-TiO2/NTO/ITO multilayered photoelectrodes varied with the thickness of TiO2. The short circuit current and energy conversion efficiency of the photoelectrodes also varied with the thickness of the c-TiO2 layer, which is similar behavior to the integrated value of the transmittance in the wavelength range from 500 to 600 nm. Finally, the DSSC employing the 160 nm-thick c-TiO2 layer exhibited the most improved energy conversion efficiency, compared to the DSSC without the c-TiO2 layer. Our results demonstrate that the unfavorable optical properties of TCO, e.g. NTO, for DSSCs can be enhanced by the formation of an additional thin layer, e.g. c-TiO2.",
keywords = "Compact TiO layer, Dye-sensitized solar cells (DSSCs), Optical modulation, Transparent conducting oxides (TCO)",
author = "Kim, {Dong Hoe} and Sangwook Lee and Park, {Jong Hoon} and Noh, {Jun Hong} and Park, {Ik Jae} and Seong, {Won Mo} and Hong, {Kug Sun}",
year = "2012",
month = "1",
day = "1",
doi = "10.1016/j.solmat.2011.09.011",
language = "English",
volume = "96",
pages = "276--280",
journal = "Solar Energy Materials and Solar Cells",
issn = "0927-0248",
publisher = "Elsevier",
number = "1",

}

TY - JOUR

T1 - Transmittance optimized nb-doped TiO2/Sn-doped In 2O3 multilayered photoelectrodes for dye-sensitized solar cells

AU - Kim, Dong Hoe

AU - Lee, Sangwook

AU - Park, Jong Hoon

AU - Noh, Jun Hong

AU - Park, Ik Jae

AU - Seong, Won Mo

AU - Hong, Kug Sun

PY - 2012/1/1

Y1 - 2012/1/1

N2 - We adopt a compact TiO2 (c-TiO2) layer on Nb-doped TiO2 (NTO)/Sn-doped indium oxide (ITO) multilayered electrodes, which are transparent conducting oxide (TCO) electrodes, to improve their transmittance for high-efficiency dye-sensitized solar cells (DSSCs). An NTO layer was deposited on ITO by pulsed laser deposition (PLD) and then a c-TiO2 layer was deposited on the NTO/ITO multilayer by spin-coating a sol. The transmittance spectrum of the c-TiO2/NTO/ITO multilayered photoelectrodes varied with the thickness of TiO2. The short circuit current and energy conversion efficiency of the photoelectrodes also varied with the thickness of the c-TiO2 layer, which is similar behavior to the integrated value of the transmittance in the wavelength range from 500 to 600 nm. Finally, the DSSC employing the 160 nm-thick c-TiO2 layer exhibited the most improved energy conversion efficiency, compared to the DSSC without the c-TiO2 layer. Our results demonstrate that the unfavorable optical properties of TCO, e.g. NTO, for DSSCs can be enhanced by the formation of an additional thin layer, e.g. c-TiO2.

AB - We adopt a compact TiO2 (c-TiO2) layer on Nb-doped TiO2 (NTO)/Sn-doped indium oxide (ITO) multilayered electrodes, which are transparent conducting oxide (TCO) electrodes, to improve their transmittance for high-efficiency dye-sensitized solar cells (DSSCs). An NTO layer was deposited on ITO by pulsed laser deposition (PLD) and then a c-TiO2 layer was deposited on the NTO/ITO multilayer by spin-coating a sol. The transmittance spectrum of the c-TiO2/NTO/ITO multilayered photoelectrodes varied with the thickness of TiO2. The short circuit current and energy conversion efficiency of the photoelectrodes also varied with the thickness of the c-TiO2 layer, which is similar behavior to the integrated value of the transmittance in the wavelength range from 500 to 600 nm. Finally, the DSSC employing the 160 nm-thick c-TiO2 layer exhibited the most improved energy conversion efficiency, compared to the DSSC without the c-TiO2 layer. Our results demonstrate that the unfavorable optical properties of TCO, e.g. NTO, for DSSCs can be enhanced by the formation of an additional thin layer, e.g. c-TiO2.

KW - Compact TiO layer

KW - Dye-sensitized solar cells (DSSCs)

KW - Optical modulation

KW - Transparent conducting oxides (TCO)

UR - http://www.scopus.com/inward/record.url?scp=80955148908&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=80955148908&partnerID=8YFLogxK

U2 - 10.1016/j.solmat.2011.09.011

DO - 10.1016/j.solmat.2011.09.011

M3 - Article

VL - 96

SP - 276

EP - 280

JO - Solar Energy Materials and Solar Cells

JF - Solar Energy Materials and Solar Cells

SN - 0927-0248

IS - 1

ER -