| Transparent conductive graphene electrode in GaN-based ultra-violet light emitting diodes. | |
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MedLine Citation:
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PMID: 21164643 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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We report a graphene-based transparent conductive electrode for use in ultraviolet (UV) GaN light emitting diodes (LEDs). A few-layer graphene (FLG) layer was mechanically deposited. UV light at a peak wavelength of 368 nm was successfully emitted by the FLG layer as transparent contact to p-GaN. The emission of UV light through the thin graphene layer was brighter than through the thick graphene layer. The thickness of the graphene layer was characterized by micro-Raman spectroscopy. Our results indicate that this novel graphene-based transparent conductive electrode holds great promise for use in UV optoelectronics for which conventional ITO is less transparent than graphene. |
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Authors:
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Byung-Jae Kim; Michael A Mastro; Jennifer Hite; Charles R Eddy; Jihyun Kim |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S. |
Journal Detail:
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Title: Optics express Volume: 18 ISSN: 1094-4087 ISO Abbreviation: Opt Express Publication Date: 2010 Oct |
Date Detail:
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Created Date: 2010-12-17 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101137103 Medline TA: Opt Express Country: United States |
Other Details:
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Languages: eng Pagination: 23030-4 Citation Subset: IM |
Affiliation:
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Department of Chemical & Biological Engineering, Korea University, Seoul 136-713, Korea. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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