Highly transparent ZTO/Ag/ZTO multilayer electrode deposited by inline sputtering process for organic photovoltaic cells

Se Hee Cho, Rina Pandey, Chang Hwan Wie, Yun Jae Lee, Ju Won Lim, Dong Hee Park, Jee Soo Seok, Yoon Hee Jang, Kyung Kon Kim, Do Kyung Hwang, Dong Jin Byun, Won Kook Choi

Research output: Contribution to journalArticle

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Abstract

Indium-free ZTO/Ag/ZTO multilayer electrodes were deposited on glass by RF sputtering of zinc tin oxide (ZTO) and pulsed DC sputtering of silver (Ag) at room temperature in the specially designed Inline sputtering system and evaluated as transparent electrode of organic photovoltaic cells (OPVs). The dependence of the electrical and optical properties of ZTO films on the O 2/Ar + O2 ratio was investigated. We fabricated the ZTO/Ag/ZTO multilayer electrode with a sheet resistance of 8.38-10.18 Ω sq-1 and average transmittance of 84.4-85.5% in the visible region (λ = 380-770 nm), which is compatible with commercial indium tin oxide (ITO). As an application, organic solar cells fabricated on the ZTO/Ag/ZTO multilayer electrodes with the conventional device architecture were compared with those on commercial ITO electrodes. The bulk heterojunction OPVs fabricated on the multilayer electrodes exhibited a short-circuit current (JSC) of 7.06 mA cm-2, a fill factor (FF) of 0.62, an open-circuit voltage of (VOC) of 0.64 V, and a power-conversion efficiency of 2.80%. This indicates that ZTO/Ag/ZTO multilayer electrode is a promising electrode scheme for bulk heterojunction organic photovoltaic cells (BHJ-OPVs).

Original languageEnglish
Pages (from-to)1860-1867
Number of pages8
JournalPhysica Status Solidi (A) Applications and Materials Science
Volume211
Issue number8
DOIs
Publication statusPublished - 2014 Jan 1

Fingerprint

Photovoltaic cells
photovoltaic cells
Zinc oxide
Tin oxides
zinc oxides
tin oxides
Sputtering
Multilayers
sputtering
Electrodes
electrodes
Indium
Heterojunctions
indium oxides
stannic oxide
heterojunctions
Sheet resistance
Open circuit voltage
Volatile organic compounds
Silver

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials
  • Materials Chemistry
  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films

Cite this

Highly transparent ZTO/Ag/ZTO multilayer electrode deposited by inline sputtering process for organic photovoltaic cells. / Cho, Se Hee; Pandey, Rina; Wie, Chang Hwan; Lee, Yun Jae; Lim, Ju Won; Park, Dong Hee; Seok, Jee Soo; Jang, Yoon Hee; Kim, Kyung Kon; Hwang, Do Kyung; Byun, Dong Jin; Choi, Won Kook.

In: Physica Status Solidi (A) Applications and Materials Science, Vol. 211, No. 8, 01.01.2014, p. 1860-1867.

Research output: Contribution to journalArticle

Cho, Se Hee ; Pandey, Rina ; Wie, Chang Hwan ; Lee, Yun Jae ; Lim, Ju Won ; Park, Dong Hee ; Seok, Jee Soo ; Jang, Yoon Hee ; Kim, Kyung Kon ; Hwang, Do Kyung ; Byun, Dong Jin ; Choi, Won Kook. / Highly transparent ZTO/Ag/ZTO multilayer electrode deposited by inline sputtering process for organic photovoltaic cells. In: Physica Status Solidi (A) Applications and Materials Science. 2014 ; Vol. 211, No. 8. pp. 1860-1867.
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AU - Cho, Se Hee

AU - Pandey, Rina

AU - Wie, Chang Hwan

AU - Lee, Yun Jae

AU - Lim, Ju Won

AU - Park, Dong Hee

AU - Seok, Jee Soo

AU - Jang, Yoon Hee

AU - Kim, Kyung Kon

AU - Hwang, Do Kyung

AU - Byun, Dong Jin

AU - Choi, Won Kook

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AB - Indium-free ZTO/Ag/ZTO multilayer electrodes were deposited on glass by RF sputtering of zinc tin oxide (ZTO) and pulsed DC sputtering of silver (Ag) at room temperature in the specially designed Inline sputtering system and evaluated as transparent electrode of organic photovoltaic cells (OPVs). The dependence of the electrical and optical properties of ZTO films on the O 2/Ar + O2 ratio was investigated. We fabricated the ZTO/Ag/ZTO multilayer electrode with a sheet resistance of 8.38-10.18 Ω sq-1 and average transmittance of 84.4-85.5% in the visible region (λ = 380-770 nm), which is compatible with commercial indium tin oxide (ITO). As an application, organic solar cells fabricated on the ZTO/Ag/ZTO multilayer electrodes with the conventional device architecture were compared with those on commercial ITO electrodes. The bulk heterojunction OPVs fabricated on the multilayer electrodes exhibited a short-circuit current (JSC) of 7.06 mA cm-2, a fill factor (FF) of 0.62, an open-circuit voltage of (VOC) of 0.64 V, and a power-conversion efficiency of 2.80%. This indicates that ZTO/Ag/ZTO multilayer electrode is a promising electrode scheme for bulk heterojunction organic photovoltaic cells (BHJ-OPVs).

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