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A thin transferable blue light-emitting diode by electrochemical lift-off

Yaonan Hou, Yong Wang, Qingkang Ai

Nano Express, Volume: 1, Issue: 2, Start page: 020033

Swansea University Author: Yaonan Hou

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DOI (Published version): 10.1088/2632-959x/abb07d

Abstract

We demonstrate a transferable blue light-emitting diode (LED) fabricated using a cost-effective approach. By means of solution-based electrochemical etching, an ultrathin free-standing membrane can be obtained from a commercial III-nitride LED wafer. The membrane, containing a full LED structure (in...

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Published in: Nano Express
ISSN: 2632-959X
Published: IOP Publishing 2020
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URI: https://cronfa.swan.ac.uk/Record/cronfa65287
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spelling v2 65287 2023-12-14 A thin transferable blue light-emitting diode by electrochemical lift-off 113975f710084997abdb26ad5fa03e8e Yaonan Hou Yaonan Hou true false 2023-12-14 EEEG We demonstrate a transferable blue light-emitting diode (LED) fabricated using a cost-effective approach. By means of solution-based electrochemical etching, an ultrathin free-standing membrane can be obtained from a commercial III-nitride LED wafer. The membrane, containing a full LED structure (including p-/n-type layers and multiple quantum wells) epitaxially grown on a sapphire substrate, is transferable to foreign substrates with a simple lift-off process facilitated by electrochemical etching. After fabrication, optical properties of the thin film are massively improved, accompanied by a 17-fold enhanced photoluminescence normal to the film surface. Prototype transferable blue LEDs are realized on both a copper-coated glass substrate and a polypropylene substrate. The devices exhibit a high performance with bright emission at 447 nm under electrical injection at room temperature. Journal Article Nano Express 1 2 020033 IOP Publishing 2632-959X light-emittingdiode, transferableoptoelectronics, lightextractionefficiency, GaN 1 9 2020 2020-09-01 10.1088/2632-959x/abb07d COLLEGE NANME Electronic and Electrical Engineering COLLEGE CODE EEEG Swansea University Another institution paid the OA fee TheresearchsupportedbyQiluYongScholarshipProgramme,ShandongUniversity,China;andpartly supportedbythe1000YouthTalentProgrammeofChina. 2024-04-10T15:03:17.2345667 2023-12-14T16:03:52.0974086 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Electronic and Electrical Engineering Yaonan Hou 1 Yong Wang 2 Qingkang Ai 3 65287__29982__f93107a41b7745e2b22e61e9fb23ea8f.pdf 65287.VoR.pdf 2024-04-10T15:01:57.6348882 Output 1680218 application/pdf Version of Record true Released under the terms of the Creative Commons Attribution 4.0 licence. true eng http://creativecommons.org/licenses/by/4.0
title A thin transferable blue light-emitting diode by electrochemical lift-off
spellingShingle A thin transferable blue light-emitting diode by electrochemical lift-off
Yaonan Hou
title_short A thin transferable blue light-emitting diode by electrochemical lift-off
title_full A thin transferable blue light-emitting diode by electrochemical lift-off
title_fullStr A thin transferable blue light-emitting diode by electrochemical lift-off
title_full_unstemmed A thin transferable blue light-emitting diode by electrochemical lift-off
title_sort A thin transferable blue light-emitting diode by electrochemical lift-off
author_id_str_mv 113975f710084997abdb26ad5fa03e8e
author_id_fullname_str_mv 113975f710084997abdb26ad5fa03e8e_***_Yaonan Hou
author Yaonan Hou
author2 Yaonan Hou
Yong Wang
Qingkang Ai
format Journal article
container_title Nano Express
container_volume 1
container_issue 2
container_start_page 020033
publishDate 2020
institution Swansea University
issn 2632-959X
doi_str_mv 10.1088/2632-959x/abb07d
publisher IOP Publishing
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Electronic and Electrical Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Electronic and Electrical Engineering
document_store_str 1
active_str 0
description We demonstrate a transferable blue light-emitting diode (LED) fabricated using a cost-effective approach. By means of solution-based electrochemical etching, an ultrathin free-standing membrane can be obtained from a commercial III-nitride LED wafer. The membrane, containing a full LED structure (including p-/n-type layers and multiple quantum wells) epitaxially grown on a sapphire substrate, is transferable to foreign substrates with a simple lift-off process facilitated by electrochemical etching. After fabrication, optical properties of the thin film are massively improved, accompanied by a 17-fold enhanced photoluminescence normal to the film surface. Prototype transferable blue LEDs are realized on both a copper-coated glass substrate and a polypropylene substrate. The devices exhibit a high performance with bright emission at 447 nm under electrical injection at room temperature.
published_date 2020-09-01T15:03:13Z
_version_ 1795956716241682432
score 11.014358

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