• Login
    View Item 
    •   Home
    • Research
    • Articles
    • View Item
    •   Home
    • Research
    • Articles
    • View Item
    JavaScript is disabled for your browser. Some features of this site may not work without it.

    Browse

    All of KAUSTCommunitiesIssue DateSubmit DateThis CollectionIssue DateSubmit Date

    My Account

    Login

    Quick Links

    Open Access PolicyORCID LibguidePlumX LibguideSubmit an Item

    Statistics

    Display statistics

    Improved performance of UV-LED by p-AlGaN with graded composition

    • CSV
    • RefMan
    • EndNote
    • BibTex
    • RefWorks
    Type
    Article
    Authors
    Yan, Jianchang
    Wang, Junxi
    Cong, Peipei
    Sun, Lili
    Liu, Naixin
    Liu, Zhe
    Zhao, Chao cc
    Li, Jinmin
    KAUST Department
    Imaging and Characterization Core Lab
    Advanced Nanofabrication, Imaging and Characterization Core Lab
    Date
    2010-11-02
    Online Publication Date
    2010-11-02
    Print Publication Date
    2011-02
    Permanent link to this record
    http://hdl.handle.net/10754/561631
    
    Metadata
    Show full item record
    Abstract
    AlGaN-based ultraviolet light emitting diodes (UV-LEDs) on AlN/sapphire template were grown by metal organic chemical vapour deposition. The AlN template was characterized by atomic force microscopy and high resolution X-ray diffraction. Atomic force microscopy image shows that the AlN surface is very flat, while high resolution X-ray diffraction results prove the good crystalline quality of the AlN template. A novel structure UV-LED which has several p-AlGaN layers with graded composition is compared with a common structure UV-LED which has a single p-Al0.5Ga0.5N layer. The forward bias voltage at 20 mA driving current for the novel structure UV-LED is nearly 3 V higher than that of the common structure UV-LED, however, the electroluminescence intensity of the former is over two times higher than that of the latter. The total quantum efficiency of the novel structure UV-LED is more than 50% higher than that of the common structure UV-LED. The improvement is considered to be the result of better holes injection efficiency in the novel structure UV-LED. © 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
    Citation
    Yan, J., Wang, J., Cong, P., Sun, L., Liu, N., Liu, Z., … Li, J. (2010). Improved performance of UV-LED by p-AlGaN with graded composition. Physica Status Solidi (c), 8(2), 461–463. doi:10.1002/pssc.201000458
    Publisher
    Wiley
    Journal
    physica status solidi (c)
    DOI
    10.1002/pssc.201000458
    ae974a485f413a2113503eed53cd6c53
    10.1002/pssc.201000458
    Scopus Count
    Collections
    Articles; Imaging and Characterization Core Lab

    entitlement

     
    DSpace software copyright © 2002-2021  DuraSpace
    Quick Guide | Contact Us | Send Feedback
    Open Repository is a service hosted by 
    Atmire NV
     

    Export search results

    The export option will allow you to export the current search results of the entered query to a file. Different formats are available for download. To export the items, click on the button corresponding with the preferred download format.

    By default, clicking on the export buttons will result in a download of the allowed maximum amount of items. For anonymous users the allowed maximum amount is 50 search results.

    To select a subset of the search results, click "Selective Export" button and make a selection of the items you want to export. The amount of items that can be exported at once is similarly restricted as the full export.

    After making a selection, click one of the export format buttons. The amount of items that will be exported is indicated in the bubble next to export format.