Influence of thin film thickness of working electrodes on photovoltaic characteristics of dye-sensitized solar cells

Yeong-Lin Lai, Hung Ru Hsu, Yeong Kang Lai, Chun Yi Zheng, Yung Hua Chou, Nai Kun Hsu, Guan Yun Lung

Research output: Contribution to journalConference article

Abstract

This paper presents the study of the influence of thin film thickness of working electrodes on the photovoltaic characteristics of dye-sensitized solar cells. Titanium dioxide (TiO2) thin films, with the thickness from 7.67 to 24.3 μm, were used to fabricate the working electrodes of dye-sensitized solar cells (DSSCs). A TiO2 film was coated on a fluorine-doped tin oxide (FTO) conductive glass substrate and then sintered in a high-temperature furnace. On the other hand, platinum (Pt) solution was coated onto an FTO substrate for the fabrication of the counter electrode of a DSSC. The working electrode immersed in a dye, the counter electrode, and the electrolyte were assembled to complete a sandwich-structure DSSC. The material analysis of the TiO2 films of DSSCs was carried out by scanning electron microscopy (SEM) and ultraviolet-visible (UV-Vis) spectroscopy, while the photovoltaic characteristics of DSSCs were measured by an AM-1.5 sunlight simulator. The light transmittance characteristics of the TiO2 working electrode depend on the TiO2 film thickness. The thin film thickness of the working electrode also affects the light absorption of a dye and results in the photovoltaic characteristics of the DSSC, including open-circuited voltage (VOC), short-circuited current density (JSC), fill factor, and photovoltaic conversion efficiency.

Original languageEnglish
Article number00030
JournalMATEC Web of Conferences
Volume123
DOIs
Publication statusPublished - 2017 Sep 21
Event2nd International Conference on Precision Machinery and Manufacturing Technology, ICPMMT 2017 - Kending, Pingtung, Taiwan
Duration: 2017 May 192017 May 21

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Film thickness
Thin films
Electrodes
Fluorine
Tin oxides
Coloring Agents
Dyes
Sandwich structures
Ultraviolet visible spectroscopy
Substrates
Dye-sensitized solar cells
Platinum
Volatile organic compounds
Titanium dioxide
Light absorption
Electrolytes
Conversion efficiency
Furnaces
Current density
Simulators

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Science(all)
  • Engineering(all)

Cite this

Lai, Yeong-Lin ; Hsu, Hung Ru ; Lai, Yeong Kang ; Zheng, Chun Yi ; Chou, Yung Hua ; Hsu, Nai Kun ; Lung, Guan Yun. / Influence of thin film thickness of working electrodes on photovoltaic characteristics of dye-sensitized solar cells. In: MATEC Web of Conferences. 2017 ; Vol. 123.
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abstract = "This paper presents the study of the influence of thin film thickness of working electrodes on the photovoltaic characteristics of dye-sensitized solar cells. Titanium dioxide (TiO2) thin films, with the thickness from 7.67 to 24.3 μm, were used to fabricate the working electrodes of dye-sensitized solar cells (DSSCs). A TiO2 film was coated on a fluorine-doped tin oxide (FTO) conductive glass substrate and then sintered in a high-temperature furnace. On the other hand, platinum (Pt) solution was coated onto an FTO substrate for the fabrication of the counter electrode of a DSSC. The working electrode immersed in a dye, the counter electrode, and the electrolyte were assembled to complete a sandwich-structure DSSC. The material analysis of the TiO2 films of DSSCs was carried out by scanning electron microscopy (SEM) and ultraviolet-visible (UV-Vis) spectroscopy, while the photovoltaic characteristics of DSSCs were measured by an AM-1.5 sunlight simulator. The light transmittance characteristics of the TiO2 working electrode depend on the TiO2 film thickness. The thin film thickness of the working electrode also affects the light absorption of a dye and results in the photovoltaic characteristics of the DSSC, including open-circuited voltage (VOC), short-circuited current density (JSC), fill factor, and photovoltaic conversion efficiency.",
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Influence of thin film thickness of working electrodes on photovoltaic characteristics of dye-sensitized solar cells. / Lai, Yeong-Lin; Hsu, Hung Ru; Lai, Yeong Kang; Zheng, Chun Yi; Chou, Yung Hua; Hsu, Nai Kun; Lung, Guan Yun.

In: MATEC Web of Conferences, Vol. 123, 00030, 21.09.2017.

Research output: Contribution to journalConference article

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T1 - Influence of thin film thickness of working electrodes on photovoltaic characteristics of dye-sensitized solar cells

AU - Lai, Yeong-Lin

AU - Hsu, Hung Ru

AU - Lai, Yeong Kang

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AB - This paper presents the study of the influence of thin film thickness of working electrodes on the photovoltaic characteristics of dye-sensitized solar cells. Titanium dioxide (TiO2) thin films, with the thickness from 7.67 to 24.3 μm, were used to fabricate the working electrodes of dye-sensitized solar cells (DSSCs). A TiO2 film was coated on a fluorine-doped tin oxide (FTO) conductive glass substrate and then sintered in a high-temperature furnace. On the other hand, platinum (Pt) solution was coated onto an FTO substrate for the fabrication of the counter electrode of a DSSC. The working electrode immersed in a dye, the counter electrode, and the electrolyte were assembled to complete a sandwich-structure DSSC. The material analysis of the TiO2 films of DSSCs was carried out by scanning electron microscopy (SEM) and ultraviolet-visible (UV-Vis) spectroscopy, while the photovoltaic characteristics of DSSCs were measured by an AM-1.5 sunlight simulator. The light transmittance characteristics of the TiO2 working electrode depend on the TiO2 film thickness. The thin film thickness of the working electrode also affects the light absorption of a dye and results in the photovoltaic characteristics of the DSSC, including open-circuited voltage (VOC), short-circuited current density (JSC), fill factor, and photovoltaic conversion efficiency.

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