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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국전기전자재료학회 Transactions on Electrical and Electronic Materials Transactions on Electrical and Electronic Materials 제9권 제3호
- 발행연도
- 2008.1
- 수록면
- 105 - 109 (5page)
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Electrical characteristics of organic light-emitting diodes were investigated by varying a hole-size in evaporation boat in the device structure of ITO/tris(8-hydroxyquinoline) aluminum(Alq₃)/Al. The device was manufactured using a thermal evaporation under a base pressure of 5ⅹ10^-6 Torr. The Alq3 emitting organics were evaporated to be a thickness of 100 nm at a deposition rate of 1.5 A/s. A cylindrical-shaped evaporation boat was made out of stainless steel with a small size of hole on top of the boat. Several evaporation boats were made having a different hole size on top; 0.8 mm, 1.0 mm, 1.5 mm, and 3.0 mm. We found that when the hole size on top of the evaporation boat is 1.0 mm, the average roughness is rather smoother compared to the other ones. Also, luminance and external quantum efficiency are superior to the others. Compared to the ones from the devices made with the hole-size of 0.8 mm boat. The luminance and external quantum efficiency of the device made with the hole-size of 1.0 mm boat were improved by a factor of seventy and thirty three, respectively. Also operating voltage is reduced to 2 V.
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참고문헌 (10)
참고문헌 신청
C.W. Tang / 1987 / Organic electroluminescent diodes / Appl. Phys. Lett 51 : 913 ~
D.H. Chung / 2004 / Frequency-dependent response in ITO/Alq3/Al organic light-emitting diodes / Curr. Appl. Phys 4 : 543 ~
Dong-Hoe Chung / 2004 / Electrical Conduction Mechanism in ITO/Alq3/Al Rrganic Light-emitting Diodes / Transactions on Electrical and Electronic Materials 5 (1) : 24 ~ 28
G.B. Blanchet / 2003 / Large area, high resolution, dry printing of conducting polymers for organic electronics / Appl. Phys. Lett 82 : 463 ~
Jamil Muhammad, / 2005 / Equivalent-Circuit Analysis of Organic Light-Emitting Diodes by Using the Frequency-Dependent Response of an ITO/Alq3/Al Device / Journal of the Kore
D.H. Chung / 2004 / Frequency-dependent response in ITO/Alq3/Al organic light-emitting diodes / Curr. Appl. Phys 4 : 543 ~
Dong-Hoe Chung / 2004 / Electrical Conduction Mechanism in ITO/Alq3/Al Rrganic Light-emitting Diodes / Transactions on Electrical and Electronic Materials 5 (1) : 24 ~ 28
G.B. Blanchet / 2003 / Large area, high resolution, dry printing of conducting polymers for organic electronics / Appl. Phys. Lett 82 : 463 ~
Jamil Muhammad, / 2005 / Equivalent-Circuit Analysis of Organic Light-Emitting Diodes by Using the Frequency-Dependent Response of an ITO/Alq3/Al Device / Journal of the Kore
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