• 제목/요약/키워드: Phthalocyanine

검색결과 235건 처리시간 0.026초

금속 프탈로시아닌을 이용한 아세트알데히드의 촉매연소 (Catalytic Combustion of Acetaldehyde by Metal Phthalocyanines)

  • 서성규
    • 한국대기환경학회지
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    • 제16권4호
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    • pp.409-414
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    • 2000
  • Catalytic combustion of acetaldehyde has been investigated as a representative of unpleasant odor by its reaction with metal-phthalocyanines(PC). The experiment was conducted at the reaction temperature of 200~41$0^{\circ}C$ and the concentratio of acetaldehyde in air at the range of 0.07~0.94 mole% The pretreated metal-PC has been characterized by UV-VIS and XRD analysis. According to this study catalytic activity of metal -PC was improved by air pretreatment at 45$0^{\circ}C$ for 1hr. Under this pretreatment condition Co-PC and Cu($\alpha$)-PC were destroyed and new metal oxides were formed such as Co3O4 and CuO respectively. However Zn-PC retained its basic structure even afte air pretreatment. The order of catalytic activity on acetaldehyde combustion was summarized as follows : Zn-PC$\alpha$)-PC. It was found that the complete combustin of acetaldehyde with Cu($\alpha$)-PC was accomplished at its concentrations below 0.2mole% (32$0^{\circ}C$) and 0.6 mole%(35$0^{\circ}C$) in air.

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Polyolefin용 수성 Gravure Ink의 인쇄작성 (Printability of an Aqueous Gravure Ink for Polyolefin)

  • 김종원
    • 한국인쇄학회지
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    • 제12권1호
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    • pp.1.1-11
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    • 1994
  • The photosensitive properties and carrier transport in the organic photoconductor with the carrier transport layers(CTL) of polymer matrix doped with two carrier transport materials above carrier generation layer(CGL) containing oxotitanium phthalocyanine (TiOPc) were investigated. The CGL of TiOPc dispersed in poly(vinylbutyral) was formed as thickness of 0.1${\mu}{\textrm}{m}$and the carrier transport layer was prepared by coating polycarbonate and polyester doped with oxadiazoly(OXD), polyvinylcarbazole (PVK), trinitro fluorenone(TNF) as thickness of 10~15${\mu}{\textrm}{m}$, respectively. We have measured half decay exposure,sensitivity and xerographic gain from the photo-induced discharge curve(PIDC). In this work, it was found that the characteristics of carrier transport were mainly caused by the ionization potential difference of constitutive materials in molecularly doped polymer.

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인쇄잉크용 알킷트바니쉬를 이용한 택크값의 유변학적 특성연구 (A study on the Rheological Analysis of Tack Values using Alkyd Vanish for Printing Ink)

  • 정윤회
    • 한국인쇄학회지
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    • 제8권1호
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    • pp.1-20
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    • 1990
  • $\alpha$,$\beta$,$\varepsilon$ type copper phthalocy $\alpha$,$\beta$,$\varepsilon$ type copper phthalocyanine(CuPc) pigment was purified by a simple train sublimation technique. The layered photoconductor was made with $\varepsilon$ type CuPc as a carrier generation layer(CGL) and polyvinly carvazol(PVCz) as a carrier transport layer(CLT). A CGL of CuPc was electrochemical deposited on an Al substrate used as cathode in pigment dispersion solutions. a CTL of PVCz pwas spin coated on $\varepsilon$ type CuPc thin film by a spin coater. The effect of sonication time, electrophotographic property of the layered photoconductor were studied with surface coverage, surface potential and sensitivity.

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디지털 프린터의 출려특성기반 톤 보정 망점화 (A Tone Correction Halftone Method Based on Response Characteristic of Digital Printer)

  • 신지현
    • 한국인쇄학회지
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    • 제15권1호
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    • pp.71-83
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    • 1997
  • In recent years, various kinds of organic photoreceptors have been used for copy machines based on electrophotography. Most of them are constructed into layered devices in which a photogeneration layer is separated from a charge transport layer. They are usually used with application of negative charges. Organic pigment have received considerable attention with phthalocyanine, squaraine, and azo compounds being used to construct zerograpgic photoreceptors with enhanced long wavelength sensitivity, residual potential and zerograpgic gain of squaraine photoconductor were measured from the photoinduced discharge curve. Most of synthesized squaraine derivative couldn`t use for CGM(charge generation material), but it knew that a part of one was able to use it within the possibility. A few appliance is used it know about dependence on CTM(charge transport material) of squaraine derivative. It could know that experiment`s result is 2.5-bis(4-N-N`-diethylaminophenyl)-1,3,4-oxadiazole(OXD) is the bestproduct.

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유기감광체의 감광특성에 미치는 고분자의 영향에 관한 연구 (Effect of Polymer on the Photosensitive properties of organic Photoconductor)

  • 문명준;김명숙;이상남;민성기;김은경
    • 한국인쇄학회지
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    • 제16권3호
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    • pp.43-60
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    • 1998
  • The photosensitive properties and spectroscopic characteristics in the organic photoconductor(OPC) with carrier generation layer(CGL) of poly(vinylbutyral)(PVB) and polycarbonate(PC) doped with titanyl phthalocyanine(TiOPc) were investigated. The change of crystal structure of TiOPc dispersed with PVB and PC was shown by UV-visible reflective spectrum and FT-IR spectrum and mainly caused by the difference of solubility of solvent and the interaction between TiOPc and binder. The particle size of TiOPc dispersed with PVB measured by SEM was smaller than in PC. The crystal structure of TiOPc dispersed with PVB was amorphous type and in PC was $\alpha$type. It was found that the photosensitive properties of OPC were dependent on the change of absorbance and ionization potential of TiOPc occurred from the difference of crystal structure. In this work, the photosensitivity of OPC of TiOPc dispersed with PVB was better than PC due to the crystal type and the smaller particle size.

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OLED의 전압과 시간에 따른 전기 전도특성 연구 (Conducting property of voltage and time in organic light emitting diodes)

  • 나승욱;윤순일;유현준;박미화;차덕준;이기진
    • 한국전기전자재료학회:학술대회논문집
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    • 한국전기전자재료학회 2004년도 하계학술대회 논문집 Vol.5 No.2
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    • pp.981-984
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    • 2004
  • 유기 발광소자(OLED)Glass/indium-tin-oxide(ITO)/Cu-Pc(copper-phthalocyanine)N,N'-Bis(3-methylphenyl)-1,1'-biphenylbenzidineltris-(8-hydroquinoline) aluminum(Alq3)/aluminum(Al)의 기본구조로 제작된 OLED에 다양한 전압을 인가하면서, 마이크로파 근접장 현미경을 이용하여 시간에 따른 소자의 전류-전압특성을 측정함으로써 전기적 전도 특성을 연구하였다. 또한 다양한 인가전압의 시간에 따른 EL(electro luminance)을 측정하여 소자의 광학적 특성과 전기적 특성을 연구 비교하였다.

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마이크로파 근접장 현미경을 이용한 유기발광소자의 전압에 따른 전도특성 연구 (Conducting property in organic light emitting diodes by using a near-field scanning microwave microscope)

  • 나승욱;윤순일;유현중;양종일;박미화;이기진
    • 한국전기전자재료학회:학술대회논문집
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    • 한국전기전자재료학회 2004년도 춘계학술대회 논문집 디스플레이 광소자분야
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    • pp.128-131
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    • 2004
  • 유기발광소자(OLED)Glass/indium-tin-oxide(ITO)/Cu-Pc(copper-phthalocyanine)/N.N'-Bis(3-methylphenyl)-1,1'-biphenylbenzidine/tris-(8-hydroquinoline) aluminum(Alq3)/aluminum(Al)의 기본구조로 제작된 OLED에 다양한 전압을 인가하면서, 마이크로파 근접장 현미경을 이용하여 전압인가에 따른 반사계수(S11)와 소자의 전류-전압특성을 측정함으로써 전기적 전도 특성을 연구하였다. 또한 다양한 인가전압에 따른 EL(electro luminance)를 측정하여 소자의 광학적 특성과 전기적 특성을 연구 비교하였다.

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

  • 이호식;박용필;천민우
    • 한국전기전자재료학회논문지
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    • 제21권10호
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    • pp.930-933
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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 40 nm, and the channel length was $50{\mu}m$, channel width was 3 mm. We observed a typical current-voltage (I-V) characteristics in CuPc FET with different electrode materials.

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

  • 이호식;박용필
    • 한국전기전자재료학회:학술대회논문집
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    • 한국전기전자재료학회 2008년도 추계학술대회 논문집 Vol.21
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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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($NO_{2}$가스센서용 phthalocyanine 유도체의 합성과 LB막의 제작 및 특성에 관한 연구 (Study on synthesis of CuPc derivative and preparation of its Langmuir- Blodgett Films.)

  • 손병청
    • 한국응용과학기술학회지
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    • 제11권2호
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    • pp.147-150
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    • 1994
  • Ultra thin films of HDSM-CuPc(Tetra-3-hexadecylsulphamoylcopperphthalocya-nine) were formed on various substrates by Langmuir-Blodgett method, where HDSM-CuPc was synthesized by attaching long-chain alkylamine(hexa-decylamine) to CuPc. The reaction product was identified with FT- IR, UV-visible absorption spectroscopies, elemental analysis and thin layer chromatography. The formation of ultrathin films of HDSM-CuPc was confirmed by FT-IR and UV-visible spectroscpies.