• Title/Summary/Keyword: Inorganic-organic hybrid film.

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Gate dielectric based on organic-inorganic hybrid polymer in organic thin-film transistors

  • Lee, Seong-Hui;Jeong, Sun-Ho;Moon, Joo-Ho
    • 한국정보디스플레이학회:학술대회논문집
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    • 2007.08a
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    • pp.727-729
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    • 2007
  • Inorganic-organic hybrid polymer provides various advantages including low-temperature process, high dielectric constant and direct photo-patterning. The hybrid dielectric was synthesized by the sol-gel process in which an acid-catalyzed solution of Si alkoxide and Zr alkoxide was used as a precursor. The electrical performance of transistors with hybrid dielectric was investigated.

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The Organic-Inorganic Hybrid Encapsulation Layer of Aluminium Oxide and F-Alucone for Organic Light Emitting Diodes

  • Gwon, Deok-Hyeon;Seong, Myeong-Mo
    • Proceedings of the Korean Vacuum Society Conference
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    • 2012.08a
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    • pp.374-374
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    • 2012
  • Nowadays, Active Matrix Organic Light-Emitting Diodes (AM-OLEDs) are the superior display device due to their vivid full color, perfect video capability, light weight, low driving power, and potential flexibility. One of the advantages of AM-OLED over Liquid Crystal Display (LCD) lies in its flexibility. The potential flexibility of AM-OLED is not fully explored due to its sensitivity to moisture and oxygen which are readily present in atmosphere, and there are no flexible encapsulation layers available to protect these. Therefore, we come up with a new concept of Inorganic-Organic hybrid thin film as the encapsulation layer. Our Inorganic layer is Al2O3 and Organic layer is F-Alucone. We deposited these layers in vacuum state using Atomic Layer Deposition (ALD) and Molecular Layer Deposition (MLD) techniques. We found the results are comparable to commercial requirement of 10-6 g/m2 day for Water Vapor Transmission Rate (WVTR). Using ALD and MLD, we can control the exact thin film thickness and fabricate more dense films than chemical or physical vapor deposition methods. Moreover, this hybrid encapsulation layer potentially has both the flexibility of organic layers and superior protection properties of inorganic layer.

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Synthesis and Etch Characteristics of Organic-Inorganic Hybrid Hard-Mask Materials (유-무기 하이브리드 하드마스크 소재의 합성 및 식각 특성에 관한 연구)

  • Yu, Je-Jeong;Hwang, Seok-Ho;Kim, Sang-Bum
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.12 no.4
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    • pp.1993-1998
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    • 2011
  • Semiconductor industry needs to have fine patterns in order to fabricate the high density integrated circuit. For nano-scale patterns, hard-mask is used to multi-layer structure which is formed by CVD (chemical vaporized deposition) process. In this work, we prepared single-layer hard-mask by using organic-inorganic hybrid polymer for spin-on process. The inorganic part of hard-mask was much easier etching than photo resist layer. Beside, the organic part of hard-mask was much harder etching than substrate layer. We characterized the optical and morphological properties to the hard mask films using organic-inorganic hybrid polymer, and then etch rate of photo resist layer and hard-mask film were compared. The hybrid polymer prepared from organic and inorganic materials was found to be useful hard-mask film to form the nano-patterns.

Fabrication of Flexible Inorganic/Organic Hybrid Thin-Film Transistors by All Ink-Jet Printed Components on Plastic Substrate

  • Kim, Dong-Jo;Lee, Seong-Hui;Moon, Joo-Ho
    • 한국정보디스플레이학회:학술대회논문집
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    • 2008.10a
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    • pp.1463-1465
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    • 2008
  • We report all-ink-jet printed inorganic/organic hybrid TFTs on plastic substrates. We have investigated the optimal printing conditions to make uniform patterned layers of gate electrode, dielectrics, source/drain electrodes, and semiconductor as a coplanar type TFT in a successive manner. All ink-jet printed devices have good mechanical flexibility and current modulation characteristic even when bent.

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Annealing effects of organic inorganic hybrid silica material with C-H hydrogen bonds (C-H 수소결합을 갖는 유무기 하이브리드 물질에서의 열처리 효과)

  • Oh, Teresa
    • Journal of the Institute of Electronics Engineers of Korea SD
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    • v.44 no.11
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    • pp.20-25
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    • 2007
  • In this paper, It was reported the dielectric constant in organic inorganic hybrid silica material such as SiOC film modeling of bond structure by annealing in organic properties. The organic inorganic hybrid silica material were deposited using bis-trimethylsilymethane (BTMSM, [(CH3)3Si]2CH2) and oxygen gas precursor by a plasma chemical vapor deposition (CVD). The organic inorganic hybrid silica material have three types according to the deposition condition. The dielectric constant of the films were performed MIS(Al/Si-O-C film/p-Si) structure. The C 1s spectra in organin inorganic silica materials with the flow rate ratio of O2/BTMSM=1.5 was organometallic carbon with the peak 282.9 eV by XPS. It means that organometallic carbon component is the cross-link bonding structure with good stability. The dielectric constant was the lowest at annealed films with cross-link bonding structure.

Preparation and Characteristics of PVP/Silica Hybrid Film by Sol-Gel Process (졸-겔 공정에 의한 PVP/Silica 하이브리드 필름의 제조 및 특성)

  • Kim, Tae-Hyoung;Lee, Dong-Kyu
    • Journal of the Korean Applied Science and Technology
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    • v.18 no.3
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    • pp.233-240
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    • 2001
  • The transparent organic-inorganic hybrid films were prepared by the Sol-Gel process. PVP(polyvinylpyrrolidone) was used in organic component and TEOS(tetraethoxysilane) was used in inorganic component. HCI, $CH_{3}COOH$, and $NH_{4}OH$ were used as the Sol-Gel catalyst. The characteristics according to not only the variation of organic and inorganic contents but also the variation of catalyst species and contents were investigated. On the whole, the compatibility was remained between organic and inorganic components, and also as the TEOS contents were increased, mostly the transparency and the mechanical, thermal properties were improved. In addition, as content of catalysts was increased, the films showed characteristics that were closer to PVP than silica. Although the transparency of films was preserved in HCI and $CH_{3}COOH$, only the film containing more than 40wt% TEOS in $NH_{4}OH$ showed different phenomena.

Luminescence Properties of Low Temperature Sol-Gel Organic-inorganic Hybrid Films Contained Rare-earth Ions

  • Que, Wenxiu;Cheng, L.;Jia, C.Y.;Sun, M.
    • 한국정보디스플레이학회:학술대회논문집
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    • 2008.10a
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    • pp.1181-1184
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    • 2008
  • $GeO_2$/ormosil organic-inorganic hybrid films doped with neodymium ions and $TiO_2$/Ormosil organic-inorganic hybrid films dispersed with neodymium oxide nanocrystals are prepared by combining an inverse microemulsion technique and a low-temperature sol-gel technique. The effects of $Nd^{3+}$ concentration, $Nd_2O_3$ nanocrystal content, and heat treatment temperature on up-conversion and photoluminescence luminescence properties of the hybrid films are studied.

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Organic-inorganic Hybrid Materials for Spin Coating Hardmask (스핀코팅 하드마스크용 유-무기 하이브리드 소재에 관한 연구)

  • Yu, Je Jeong;Hwang, Seok-Ho;Kim, Sang Bum
    • Applied Chemistry for Engineering
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    • v.22 no.2
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    • pp.230-234
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    • 2011
  • In this work, the primary material for a single layered hardmask which can afford a spin-on process was prepared by the minture of organic and inorganic sources. The preparation of hybrid polymer was attempted by esterification from silanol terminated siloxane compounds and acetonide-2,2-bis(methoxy)propionic acid. The optical, thermal and morphological properties of the test hardmask film was examined in terms of cross-linking agent and additives. In addition, the etch rate of hardmask film and photo resist layer were compared. The hybrid polymer prepared from organic and inorganic materials was found to be useful for hardmask film to form the nano-patterns.