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首页> 外文期刊>Thin Solid Films >Fabrication of nano-cavity patterned sapphire substrate using self-assembly meshed Pt thin film on c-plane sapphire substrate
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Fabrication of nano-cavity patterned sapphire substrate using self-assembly meshed Pt thin film on c-plane sapphire substrate

机译:在c面蓝宝石衬底上使用自组装网状Pt薄膜制作纳米腔图案化蓝宝石衬底

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摘要

In this work, a nano-cavity patterned sapphire substrate (nc-PSS) is fabricated by using a self-formed meshed Pt thin film on a c-plane sapphire substrate. The light output power of a GaN-based light emitting diode on the nc-PSS is 45% greater than that of a control light emitting diode that was prepared on a flat c-plane sapphire substrate (f-SS) wafer. The GaN-based light emitting diode that was prepared on the nc-PSS exhibited much less drooping than a GaN-based light-emitting diode that was prepared on a commercial semi-sphere patterned sapphire substrate (r-PSS), mainly because the voids that formed at the cavities at the GaNc-PSS interface buffered the stress in the GaN epi-layers that was imposed by the sapphire substrate. (C) 2017 Elsevier B.V. All rights reserved.
机译:在这项工作中,通过在c面蓝宝石衬底上使用自成网状的Pt薄膜,制作了纳米腔图案化的蓝宝石衬底(nc-PSS)。 nc-PSS上的GaN基发光二极管的光输出功率比在平面c面蓝宝石衬底(f-SS)晶圆上制备的控制发光二极管的光输出功率大45%。与在商用半球形蓝宝石衬底(r-PSS)上制备的GaN基发光二极管相比,在nc-PSS上制备的GaN基发光二极管的下垂率要低得多,这主要是因为空隙在GaN / nc-PSS界面处的腔中形成的应力缓冲了蓝宝石衬底在GaN外延层中产生的应力。 (C)2017 Elsevier B.V.保留所有权利。

著录项

  • 来源
    《Thin Solid Films》 |2017年第30期|127-131|共5页
  • 作者单位

    Natl Cent Univ, Dept Chem Engn & Mat Engn, Jhongli 32001, Taiwan;

    Natl Cent Univ, Dept Chem Engn & Mat Engn, Jhongli 32001, Taiwan;

    Natl Cent Univ, Dept Chem Engn & Mat Engn, Jhongli 32001, Taiwan;

    Natl Cent Univ, Dept Chem Engn & Mat Engn, Jhongli 32001, Taiwan;

    Natl Cent Univ, Dept Chem Engn & Mat Engn, Jhongli 32001, Taiwan;

    Natl Cent Univ, Dept Chem Engn & Mat Engn, Jhongli 32001, Taiwan;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Nano-cavities; Quantum wells; Gallium nitride; Light emitting diodes;

    机译:纳米腔;量子阱;氮化镓;发光二极管;

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