• Title/Summary/Keyword: copper phthalocyanine

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Electrical Properties of CuPc Field-effect Transistor (CuPc를 이용한 전계효과트랜지스터의 전기적 특성)

  • Lee, Ho-Shik;Park, Yong-Pil
    • Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference
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    • 2008.11a
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    • pp.410-411
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    • 2008
  • Organic field-effect transistors (OFETs) are of interest for use in widely area electronic applications. We fabricated a copper phthalocyanine (CuPc) based field-effect transistor with different metal electrode. The CuPc FET device was made a top-contact type and the substrate temperature was room temperature. The source and drain electrodes were used an Au and Al materials. The CuPc thickness was 40nm, and the channel length was $50{\mu}m$, channel width was 3mm. We observed a typical current-voltage (I-V) characteristics in CuPc FET with different electrode materials.

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Electrical Properties of CuPc Field-effect Transistor (CuPc Field-effect Transistor의 전기적 특성)

  • Lee, Ho-Shik;Park, Yong-Pil
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • 2008.10a
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    • pp.619-621
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    • 2008
  • Organic field-effect transistors (OFETs) are of interest for use in widely area electronic applications. We fabricated a copper phthalocyanine (CuPc) based field-effect transistor with different metal electrode. The CuPc FET device was made a top-contact type and the substrate temperature was room temperature. The source and drain electrodes were used an Au and Al materials. The CuPc thickness was 40nm, and the channel length was $50{\mu}m$, channel width was 3mm. We observed a typical current-voltage (I-V) characteristics in CuPc FET with different electrode materials.

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Efficient Organic Light-Emitting Diodes with a use of Hole-injection Buffer Layer

  • Kim, Sang-Keol;Chung, Dong-Hoe;Chung, Taek-Gyun;Kim, Tae-Wan
    • 한국정보디스플레이학회:학술대회논문집
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    • 2002.08a
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    • pp.766-769
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    • 2002
  • We have seen the effects of hole-injection buffer layer in organic light-emitting diodes using copper phthalocyanine(CuPc), poly(vinylcarbazole)(PVK), and Poly(3,4-ethylenedioxythiophene):poly(styrene-sulfonate)(PEDOT:PSS) in a device structure of ITO/buffer/TPD/$Alq_3$/Al. Polymer PVK and PEDOT:PSS buffer layer was made using spin casting method and the CuPc layer was made using thermal evaporation. Current-voltage characteristics, luminance-voltage characteristics and efficiency of device were measured at room temperature with a thickness variation of buffer layer. We have obtained an improvement of the external quantum efficiency by a factor of two, four, and two and half when the CuPc, PVK, and PEDOT:PSS buffer layer are used, respectively. The enhancement of the efficiency is attributed to the improved balance of holes and elelctrons due to the use of hole-injection buffer layer. The CuPc and PEDOT:PSS layer functions as a hole-injection supporter and the PVK layer as a hole-blocking one.

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Electrical Properties of CuPc Field-effect Transistor with Different Electrodes (전극 변화에 따른 CuPc Field-effect Transistor의 전기적 특성)

  • Lee, Ho-Shik;Park, Yong-Pil;Cheon, Min-Woo
    • Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference
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    • 2008.06a
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    • pp.506-507
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    • 2008
  • Organic field-effect transistors (OFETs) are of interest for use in widely area electronic applications. We fabricated a copper phthalocyanine (CuPc) based field-effect transistor with different metal electrode. The CuPc FET made a top-contact type and the substrate temperature was room temperature. The source and drain electrodes were used an Au and Al materials. The CuPc thickness was 40nm, and the channel length was $50{\mu}m$, channel device was width was 3mm. We observed a typical current-voltage (I-V) characteristics in CuPc FET with different electrode materials.

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Electrical Properties of CuPc Field-effect Transistor with Different Electrodes (전극에 따른 CuPc Field-effect Transistor의 전기적 특성)

  • Lee, Ho-Shik;Park, Yong-Pil;Cheon, Min-Woo
    • Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference
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    • 2008.04b
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    • pp.12-13
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    • 2008
  • Organic field-effect transistors (OFETs) are of interest for use in widely area electronic applications. We fabricated a copper phthalocyanine (CuPc) based field-effect transistor with different metal electrode. The CuPc FET device was made a top-contact type and the substrate temperature was room temperature. The source and drain electrodes were used an Au and Al materials. The CuPc thickness was 40nm, and the channel length was $50{\mu}m$, channel width was 3mm. We observed a typical current-voltage (I-V) characteristics in CuPc FET with different electrode materials.

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Electrical Properties of CuPc FET with Different Substrate Temperature

  • Lee, Ho-Shik;Park, Yong-Pil;Cheon, Min-Woo
    • Transactions on Electrical and Electronic Materials
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    • v.8 no.4
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    • pp.170-173
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    • 2007
  • Organic field-effect transistors (OFETs) are of interest for use in widely area electronic applications. We fabricated the organic field-effect transistor based a copper phthalocyanine (CuPc) as an active layer on the silicon substrate. The CuPc FET device was made a topcontact type and the substrate temperature was room temperature and $150^{\circ}C$. The CuPc thickness was 40 nm, and the channel length was $50{\mu}m$, channel width was 3 mm. We observed the typical current-voltage (I-V) characteristics and capacitance-voltage (C-V) in CuPc FET and we calculated the effective mobility with each device. Also, we observed the AFM images with different substrate temperature.

Electrical Properties of a CuPc Field-Effect Transistor Using a UV/Ozone Treated and Untreated Substrate

  • Lee, Ho-Shik;Cheon, Min-Woo;Park, Yong-Pil
    • Transactions on Electrical and Electronic Materials
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    • v.12 no.1
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    • pp.40-42
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    • 2011
  • An organic field-effect transistor (OFET) was fabricated using a copper phthalocyanine (CuPc) as the active layer on the silicon substrate. The CuPc FET device was configured as a top-contact type. The substrate temperature was room temperature. The CuPc thickness was 40 nm, and the channel length and channel width were 100 ${\mu}m$ 3 mm, respectively. Typical current-voltage (I-V) characteristics of the CuPc FET were observed and subsequently compared to the UV/ozone treatment on substrate surface.

Electrical Properties of CuPc Field-effect Transistor with Different Metal Electrodes (금속 전극 변화에 따른 CuPc Field-effect Transistor의 전기적 특성)

  • Lee, Ho-Shik;Park, Yong-Pil
    • Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference
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    • 2007.11a
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    • pp.494-495
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    • 2007
  • Organic field-effect transistors (OFETs) are of interest for use in widely area electronic applications. We fabricated a copper phthalocyanine (CuPc) based field-effect transistor with different metal electrode. The CuPc FET device was made a top-contact type and the substrate temperature was room temperature. The source and drain electrodes were used an Au and Al materials. The CuPc thickness was 40nm, and the channel length was $50{\mu}m$, channel width was 3mm. We observed a typical current-voltage (I-V) characteristics in CuPc FET with different electrode materials.

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Fabrication and Electrical Properties of CuPc FET with Different Substrate Temperature (CuPc FET의 기판온도에 따른 제작 및 전기적 특성 연구)

  • Lee, Ho-Shik;Park, Yong-Pil;Lim, Eun-Ju;Iwamot, Mistumasa
    • Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference
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    • 2007.06a
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    • pp.488-489
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    • 2007
  • Organic field-effect transistors (OFETs) are of interest for use in widely area electronic applications. We fabricated a copper phthalocyanine (CuPc) based field-effect transistor with different substrate temperature. The CuPc FET device was made a top-contact type and the substrate temperature was room temperature and $150^{\circ}C$. The CuPc thickness was 40nm, and the channel length was $50{\mu}m$, channel width was 3mm. We observed a typical current-voltage (I-V) characteristics in CuPc FET.

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Surface Potential Properties of CuPc/Au Device with Different Substrate Temperature (CuPe/Au 소자의 기판 온도 변화에 따른 표면전위 특성)

  • Lee, Ho-Shik;Park, Yong-Pil;Kim, Young-Pyo;Cheon, Min-Woo;Yu, Seong-Mi
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • 2007.10a
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    • pp.758-760
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    • 2007
  • Organic field-effect transistors (OFETs) are of interest for use in widely area electronic applications. We fabricated a copper phthalocyanine (CuPc) based field-effect transistor with different metal electrode. So we need the effect of the substituent group attached to the phthalocyanine on the surface potential was investigated by Kelvin probe method with varying temperature of the substrate. We were obtained the positive shift of the surface potential for CuPc thin film. We observed the electron displacement at the interface between Au electrode and CuPc layer and we were confirmed by the surface potential measurement.

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