Effects of rapid thermal annealing on electrical, optical, and structural properties of Ni-doped In2O3 anodes for bulk heterojunction organic solar cells

Jun Ho Kim; Tae Yeon Seong; Han Ki Kim

doi:10.1116/1.4774212

Effects of rapid thermal annealing on electrical, optical, and structural properties of Ni-doped In₂O₃ anodes for bulk heterojunction organic solar cells

Jun Ho Kim, Tae Yeon Seong, Han Ki Kim

Department of Materials Science and Engineering

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

3 Citations (Scopus)

Abstract

The authors investigated the effects of rapid thermal annealing (RTA) on the electrical, optical, and structural properties, and work functions of Ni-doped In₂O₃ (INO) anodes prepared by a DC/RF co-sputtering process for use in bulk heterojunction organic solar cells (OSCs). By RTA processing at 600 °C, the authors obtained the optimized INO anodes with a sheet resistance of 28 Ω/sq, an optical transmittance of 82.93%, and a work function of 5.02 eV, which are acceptable in OSC fabrication. In particular, the 600 °C annealed INO anode showed much higher optical transmittance in the near infrared wavelength region than the conventional ITO film, even though it had a low resistivity of 5.66 × 10^-4 Ω cm. The OSC fabricated on the annealed INO anode showed a higher power convention efficiency of 2.65% than the OSC with as-deposited INO anodes (2.19%) because the fill factors of the OSC are critically dependent on the sheet resistance of the anode.

Original language	English
Article number	021201
Journal	Journal of Vacuum Science and Technology A: Vacuum, Surfaces and Films
Volume	31
Issue number	2
DOIs	https://doi.org/10.1116/1.4774212
Publication status	Published - 2013 Mar

ASJC Scopus subject areas

Condensed Matter Physics
Surfaces and Interfaces
Surfaces, Coatings and Films

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Effects of rapid thermal annealing on electrical, optical, and structural properties of Ni-doped In₂O₃ anodes for bulk heterojunction organic solar cells. / Ho Kim, Jun; Seong, Tae Yeon; Kim, Han Ki.
In: Journal of Vacuum Science and Technology A: Vacuum, Surfaces and Films, Vol. 31, No. 2, 021201, 03.2013.

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

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title = "Effects of rapid thermal annealing on electrical, optical, and structural properties of Ni-doped In2O3 anodes for bulk heterojunction organic solar cells",

abstract = "The authors investigated the effects of rapid thermal annealing (RTA) on the electrical, optical, and structural properties, and work functions of Ni-doped In2O3 (INO) anodes prepared by a DC/RF co-sputtering process for use in bulk heterojunction organic solar cells (OSCs). By RTA processing at 600 °C, the authors obtained the optimized INO anodes with a sheet resistance of 28 Ω/sq, an optical transmittance of 82.93%, and a work function of 5.02 eV, which are acceptable in OSC fabrication. In particular, the 600 °C annealed INO anode showed much higher optical transmittance in the near infrared wavelength region than the conventional ITO film, even though it had a low resistivity of 5.66 × 10-4 Ω cm. The OSC fabricated on the annealed INO anode showed a higher power convention efficiency of 2.65% than the OSC with as-deposited INO anodes (2.19%) because the fill factors of the OSC are critically dependent on the sheet resistance of the anode.",

author = "{Ho Kim}, Jun and Seong, {Tae Yeon} and Kim, {Han Ki}",

note = "Funding Information: This work was supported by the New & Renewable Energy of Korea Institute of Energy Technology Evaluation and Planning (KETEP) Grant No. (2011T100200034) funded by the Korea government Ministry of Knowledge Economy.",

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AU - Ho Kim, Jun

AU - Seong, Tae Yeon

AU - Kim, Han Ki

N1 - Funding Information: This work was supported by the New & Renewable Energy of Korea Institute of Energy Technology Evaluation and Planning (KETEP) Grant No. (2011T100200034) funded by the Korea government Ministry of Knowledge Economy.

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N2 - The authors investigated the effects of rapid thermal annealing (RTA) on the electrical, optical, and structural properties, and work functions of Ni-doped In2O3 (INO) anodes prepared by a DC/RF co-sputtering process for use in bulk heterojunction organic solar cells (OSCs). By RTA processing at 600 °C, the authors obtained the optimized INO anodes with a sheet resistance of 28 Ω/sq, an optical transmittance of 82.93%, and a work function of 5.02 eV, which are acceptable in OSC fabrication. In particular, the 600 °C annealed INO anode showed much higher optical transmittance in the near infrared wavelength region than the conventional ITO film, even though it had a low resistivity of 5.66 × 10-4 Ω cm. The OSC fabricated on the annealed INO anode showed a higher power convention efficiency of 2.65% than the OSC with as-deposited INO anodes (2.19%) because the fill factors of the OSC are critically dependent on the sheet resistance of the anode.

AB - The authors investigated the effects of rapid thermal annealing (RTA) on the electrical, optical, and structural properties, and work functions of Ni-doped In2O3 (INO) anodes prepared by a DC/RF co-sputtering process for use in bulk heterojunction organic solar cells (OSCs). By RTA processing at 600 °C, the authors obtained the optimized INO anodes with a sheet resistance of 28 Ω/sq, an optical transmittance of 82.93%, and a work function of 5.02 eV, which are acceptable in OSC fabrication. In particular, the 600 °C annealed INO anode showed much higher optical transmittance in the near infrared wavelength region than the conventional ITO film, even though it had a low resistivity of 5.66 × 10-4 Ω cm. The OSC fabricated on the annealed INO anode showed a higher power convention efficiency of 2.65% than the OSC with as-deposited INO anodes (2.19%) because the fill factors of the OSC are critically dependent on the sheet resistance of the anode.

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Effects of rapid thermal annealing on electrical, optical, and structural properties of Ni-doped In₂O₃ anodes for bulk heterojunction organic solar cells

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