Thermoelectrically pumped light-emitting diodes operating above unity efficiency
A heated semiconductor light-emitting diode at low forward bias voltage V
Gespeichert in:
Veröffentlicht in: | Physical review letters 2012-02, Vol.108 (9), p.097403-097403, Article 097403 |
---|---|
Hauptverfasser: | , , |
Format: | Artikel |
Sprache: | eng |
Online-Zugang: | Volltext |
Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
container_end_page | 097403 |
---|---|
container_issue | 9 |
container_start_page | 097403 |
container_title | Physical review letters |
container_volume | 108 |
creator | Santhanam, Parthiban Gray, Jr, Dodd Joseph Ram, Rajeev J |
description | A heated semiconductor light-emitting diode at low forward bias voltage V |
doi_str_mv | 10.1103/physrevlett.108.097403 |
format | Article |
fullrecord | <record><control><sourceid>proquest_cross</sourceid><recordid>TN_cdi_proquest_miscellaneous_963830326</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>963830326</sourcerecordid><originalsourceid>FETCH-LOGICAL-c424t-d331bd777a760e137d22669e055c7ef6ffc002a6b23ae1fc0bb2125886c450043</originalsourceid><addsrcrecordid>eNo9kN1LwzAUxYMobk7_hdE3nzpvkjZpH2X4BQOHzOeSprdbJP0wSQf9761OfTrcwzn3wI-QJYUVpcDv-sPoHR4thrCikK0glwnwMzKnIPNYUpqckzkAp3EOIGfkyvsPAKBMZJdkxlgiuBByTra7A7qmQ4s6OKOVtWPUD02PVWTN_hBibEwIpt1Hlekq9FHXo1M_hiq7I0ZDa8IYYV0bbbDV4zW5qJX1ePOrC_L--LBbP8eb16eX9f0m1glLQlxxTstKSqmkAKRcVowJkSOkqZZYi7rWAEyJknGFdDrKklGWZpnQSQqQ8AW5Pf3tXfc5oA9FY7xGa1WL3eCLXPCMA2diSopTUrvOT9DqonemUW4sKBTfMIvtBPMNj5sJ5uRlxQnmVFz-Tgxlg9V_7Y8e_wJCY3TK</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>963830326</pqid></control><display><type>article</type><title>Thermoelectrically pumped light-emitting diodes operating above unity efficiency</title><source>American Physical Society Journals</source><creator>Santhanam, Parthiban ; Gray, Jr, Dodd Joseph ; Ram, Rajeev J</creator><creatorcontrib>Santhanam, Parthiban ; Gray, Jr, Dodd Joseph ; Ram, Rajeev J</creatorcontrib><description>A heated semiconductor light-emitting diode at low forward bias voltage V<k(B)T/q is shown to use electrical work to pump heat from the lattice to the photon field. Here the rates of both radiative and nonradiative recombination have contributions at linear order in V. As a result the device's wall-plug (i.e., power conversion) efficiency is inversely proportional to its output power and diverges as V approaches zero. Experiments directly confirm for the first time that this behavior continues beyond the conventional limit of unity electrical-to-optical power conversion efficiency.</description><identifier>ISSN: 0031-9007</identifier><identifier>EISSN: 1079-7114</identifier><identifier>DOI: 10.1103/physrevlett.108.097403</identifier><identifier>PMID: 22463667</identifier><language>eng</language><publisher>United States</publisher><ispartof>Physical review letters, 2012-02, Vol.108 (9), p.097403-097403, Article 097403</ispartof><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c424t-d331bd777a760e137d22669e055c7ef6ffc002a6b23ae1fc0bb2125886c450043</citedby><cites>FETCH-LOGICAL-c424t-d331bd777a760e137d22669e055c7ef6ffc002a6b23ae1fc0bb2125886c450043</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,2863,2864,27901,27902</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/22463667$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Santhanam, Parthiban</creatorcontrib><creatorcontrib>Gray, Jr, Dodd Joseph</creatorcontrib><creatorcontrib>Ram, Rajeev J</creatorcontrib><title>Thermoelectrically pumped light-emitting diodes operating above unity efficiency</title><title>Physical review letters</title><addtitle>Phys Rev Lett</addtitle><description>A heated semiconductor light-emitting diode at low forward bias voltage V<k(B)T/q is shown to use electrical work to pump heat from the lattice to the photon field. Here the rates of both radiative and nonradiative recombination have contributions at linear order in V. As a result the device's wall-plug (i.e., power conversion) efficiency is inversely proportional to its output power and diverges as V approaches zero. Experiments directly confirm for the first time that this behavior continues beyond the conventional limit of unity electrical-to-optical power conversion efficiency.</description><issn>0031-9007</issn><issn>1079-7114</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><recordid>eNo9kN1LwzAUxYMobk7_hdE3nzpvkjZpH2X4BQOHzOeSprdbJP0wSQf9761OfTrcwzn3wI-QJYUVpcDv-sPoHR4thrCikK0glwnwMzKnIPNYUpqckzkAp3EOIGfkyvsPAKBMZJdkxlgiuBByTra7A7qmQ4s6OKOVtWPUD02PVWTN_hBibEwIpt1Hlekq9FHXo1M_hiq7I0ZDa8IYYV0bbbDV4zW5qJX1ePOrC_L--LBbP8eb16eX9f0m1glLQlxxTstKSqmkAKRcVowJkSOkqZZYi7rWAEyJknGFdDrKklGWZpnQSQqQ8AW5Pf3tXfc5oA9FY7xGa1WL3eCLXPCMA2diSopTUrvOT9DqonemUW4sKBTfMIvtBPMNj5sJ5uRlxQnmVFz-Tgxlg9V_7Y8e_wJCY3TK</recordid><startdate>20120227</startdate><enddate>20120227</enddate><creator>Santhanam, Parthiban</creator><creator>Gray, Jr, Dodd Joseph</creator><creator>Ram, Rajeev J</creator><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20120227</creationdate><title>Thermoelectrically pumped light-emitting diodes operating above unity efficiency</title><author>Santhanam, Parthiban ; Gray, Jr, Dodd Joseph ; Ram, Rajeev J</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c424t-d331bd777a760e137d22669e055c7ef6ffc002a6b23ae1fc0bb2125886c450043</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Santhanam, Parthiban</creatorcontrib><creatorcontrib>Gray, Jr, Dodd Joseph</creatorcontrib><creatorcontrib>Ram, Rajeev J</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Physical review letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Santhanam, Parthiban</au><au>Gray, Jr, Dodd Joseph</au><au>Ram, Rajeev J</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Thermoelectrically pumped light-emitting diodes operating above unity efficiency</atitle><jtitle>Physical review letters</jtitle><addtitle>Phys Rev Lett</addtitle><date>2012-02-27</date><risdate>2012</risdate><volume>108</volume><issue>9</issue><spage>097403</spage><epage>097403</epage><pages>097403-097403</pages><artnum>097403</artnum><issn>0031-9007</issn><eissn>1079-7114</eissn><abstract>A heated semiconductor light-emitting diode at low forward bias voltage V<k(B)T/q is shown to use electrical work to pump heat from the lattice to the photon field. Here the rates of both radiative and nonradiative recombination have contributions at linear order in V. As a result the device's wall-plug (i.e., power conversion) efficiency is inversely proportional to its output power and diverges as V approaches zero. Experiments directly confirm for the first time that this behavior continues beyond the conventional limit of unity electrical-to-optical power conversion efficiency.</abstract><cop>United States</cop><pmid>22463667</pmid><doi>10.1103/physrevlett.108.097403</doi><tpages>1</tpages><oa>free_for_read</oa></addata></record> |
fulltext | fulltext |
identifier | ISSN: 0031-9007 |
ispartof | Physical review letters, 2012-02, Vol.108 (9), p.097403-097403, Article 097403 |
issn | 0031-9007 1079-7114 |
language | eng |
recordid | cdi_proquest_miscellaneous_963830326 |
source | American Physical Society Journals |
title | Thermoelectrically pumped light-emitting diodes operating above unity efficiency |
url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-02-10T23%3A48%3A49IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-proquest_cross&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=Thermoelectrically%20pumped%20light-emitting%20diodes%20operating%20above%20unity%20efficiency&rft.jtitle=Physical%20review%20letters&rft.au=Santhanam,%20Parthiban&rft.date=2012-02-27&rft.volume=108&rft.issue=9&rft.spage=097403&rft.epage=097403&rft.pages=097403-097403&rft.artnum=097403&rft.issn=0031-9007&rft.eissn=1079-7114&rft_id=info:doi/10.1103/physrevlett.108.097403&rft_dat=%3Cproquest_cross%3E963830326%3C/proquest_cross%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_pqid=963830326&rft_id=info:pmid/22463667&rfr_iscdi=true |