Continuous blade coating for multi-layer large-area organic light-emitting diode and solar cell

Chun Yu Chen; Hao Wen Chang; Yu Fan Chang; Bo Jie Chang; Yuan Sheng Lin; Pei Siou Jian; Han Cheng Yeh; Hung Ta Chien; En Chen Chen; Yu Chiang Chao; Hsin Fei Meng; Hsiao Wen Zan; Hao Wu Lin; Sheng Fu Horng; Yen Ju Cheng; Feng Wen Yen; I. Feng Lin; Hsiu Yuan Yang; Kuo Jui Huang; Mei Rurng Tseng

doi:10.1063/1.3636398

Continuous blade coating for multi-layer large-area organic light-emitting diode and solar cell

Chun Yu Chen, Hao Wen Chang, Yu Fan Chang, Bo Jie Chang, Yuan Sheng Lin, Pei Siou Jian, Han Cheng Yeh, Hung Ta Chien, En Chen Chen, Yu Chiang Chao, Hsin Fei Meng^*, Hsiao Wen Zan, Hao Wu Lin, Sheng Fu Horng, Yen Ju Cheng, Feng Wen Yen, I. Feng Lin, Hsiu Yuan Yang, Kuo Jui Huang, Mei Rurng Tseng

^*Corresponding author for this work

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

72 Citations (Scopus)

Abstract

A continuous roll-to-roll compatible blade-coating method for multi-layers of general organic semiconductors is developed. Dissolution of the underlying film during coating is prevented by simultaneously applying heating from the bottom and gentle hot wind from the top. The solvent is immediately expelled and reflow inhibited. This method succeeds for polymers and small molecules. Uniformity is within 10 for 5 cm by 5 cm area with a mean value of tens of nanometers for both organic light-emitting diode (OLED) and solar cell structure with little material waste. For phosphorescent OLED 25 cd/A is achieved for green, 15 cd/A for orange, and 8 cd/A for blue. For fluorescent OLED 4.3 cd/A is achieved for blue, 9 cd/A for orange, and 6.9 cd/A for white. For OLED with 2 cm by 3 cm active area, the luminance variation is within 10. Power conversion efficiency of 4.1 is achieved for polymer solar cell, similar to spin coating using the same materials. Very-low-cost and high-throughput fabrication of efficient organic devices is realized by the continuous blade-only method.

Original language	English
Article number	094501
Journal	Journal of Applied Physics
Volume	110
Issue number	9
DOIs	https://doi.org/10.1063/1.3636398
Publication status	Published - 2011 Nov 1
Externally published	Yes

ASJC Scopus subject areas

General Physics and Astronomy

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Chen, C. Y., Chang, H. W., Chang, Y. F., Chang, B. J., Lin, Y. S., Jian, P. S., Yeh, H. C., Chien, H. T., Chen, E. C., Chao, Y. C., Meng, H. F., Zan, H. W., Lin, H. W., Horng, S. F., Cheng, Y. J., Yen, F. W., Lin, I. F., Yang, H. Y., Huang, K. J., & Tseng, M. R. (2011). Continuous blade coating for multi-layer large-area organic light-emitting diode and solar cell. Journal of Applied Physics, 110(9), Article 094501. https://doi.org/10.1063/1.3636398

Chen, CY, Chang, HW, Chang, YF, Chang, BJ, Lin, YS, Jian, PS, Yeh, HC, Chien, HT, Chen, EC, Chao, YC, Meng, HF, Zan, HW, Lin, HW, Horng, SF, Cheng, YJ, Yen, FW, Lin, IF, Yang, HY, Huang, KJ & Tseng, MR 2011, 'Continuous blade coating for multi-layer large-area organic light-emitting diode and solar cell', Journal of Applied Physics, vol. 110, no. 9, 094501. https://doi.org/10.1063/1.3636398

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title = "Continuous blade coating for multi-layer large-area organic light-emitting diode and solar cell",

abstract = "A continuous roll-to-roll compatible blade-coating method for multi-layers of general organic semiconductors is developed. Dissolution of the underlying film during coating is prevented by simultaneously applying heating from the bottom and gentle hot wind from the top. The solvent is immediately expelled and reflow inhibited. This method succeeds for polymers and small molecules. Uniformity is within 10 for 5 cm by 5 cm area with a mean value of tens of nanometers for both organic light-emitting diode (OLED) and solar cell structure with little material waste. For phosphorescent OLED 25 cd/A is achieved for green, 15 cd/A for orange, and 8 cd/A for blue. For fluorescent OLED 4.3 cd/A is achieved for blue, 9 cd/A for orange, and 6.9 cd/A for white. For OLED with 2 cm by 3 cm active area, the luminance variation is within 10. Power conversion efficiency of 4.1 is achieved for polymer solar cell, similar to spin coating using the same materials. Very-low-cost and high-throughput fabrication of efficient organic devices is realized by the continuous blade-only method.",

author = "Chen, {Chun Yu} and Chang, {Hao Wen} and Chang, {Yu Fan} and Chang, {Bo Jie} and Lin, {Yuan Sheng} and Jian, {Pei Siou} and Yeh, {Han Cheng} and Chien, {Hung Ta} and Chen, {En Chen} and Chao, {Yu Chiang} and Meng, {Hsin Fei} and Zan, {Hsiao Wen} and Lin, {Hao Wu} and Horng, {Sheng Fu} and Cheng, {Yen Ju} and Yen, {Feng Wen} and Lin, {I. Feng} and Yang, {Hsiu Yuan} and Huang, {Kuo Jui} and Tseng, {Mei Rurng}",

note = "Funding Information: This work is supported by the National Science Council of Taiwan under Contract No. 99-2628-M-009-001 and the Ministry of Economic Affairs of Taiwan under Contract No. 99-EC-17-A-07-S1-157.",

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AU - Chen, Chun Yu

AU - Chang, Hao Wen

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AU - Lin, Yuan Sheng

AU - Jian, Pei Siou

AU - Yeh, Han Cheng

AU - Chien, Hung Ta

AU - Chen, En Chen

AU - Chao, Yu Chiang

AU - Meng, Hsin Fei

AU - Zan, Hsiao Wen

AU - Lin, Hao Wu

AU - Horng, Sheng Fu

AU - Cheng, Yen Ju

AU - Yen, Feng Wen

AU - Lin, I. Feng

AU - Yang, Hsiu Yuan

AU - Huang, Kuo Jui

AU - Tseng, Mei Rurng

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PY - 2011/11/1

Y1 - 2011/11/1

N2 - A continuous roll-to-roll compatible blade-coating method for multi-layers of general organic semiconductors is developed. Dissolution of the underlying film during coating is prevented by simultaneously applying heating from the bottom and gentle hot wind from the top. The solvent is immediately expelled and reflow inhibited. This method succeeds for polymers and small molecules. Uniformity is within 10 for 5 cm by 5 cm area with a mean value of tens of nanometers for both organic light-emitting diode (OLED) and solar cell structure with little material waste. For phosphorescent OLED 25 cd/A is achieved for green, 15 cd/A for orange, and 8 cd/A for blue. For fluorescent OLED 4.3 cd/A is achieved for blue, 9 cd/A for orange, and 6.9 cd/A for white. For OLED with 2 cm by 3 cm active area, the luminance variation is within 10. Power conversion efficiency of 4.1 is achieved for polymer solar cell, similar to spin coating using the same materials. Very-low-cost and high-throughput fabrication of efficient organic devices is realized by the continuous blade-only method.

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Continuous blade coating for multi-layer large-area organic light-emitting diode and solar cell

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