Efficient and Stable White Organic Light-Emitting Diodes Employing a Single Emitter
Using a single tetradentate platinum emitter dubbed Pt7O7, efficient and stable white organic light‐emitting diodes are developed. The excimer‐based white devices achieve an external quantum efficiency (EQE) of 24.5%, coordinates of (0.37, 0.42) based on the Commission internationale de l'éclai...
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| Veröffentlicht in: | Advanced materials (Weinheim) 2014-05, Vol.26 (18), p.2931-2936 |
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| container_title | Advanced materials (Weinheim) |
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| creator | Li, Guijie Fleetham, Tyler Li, Jian |
| description | Using a single tetradentate platinum emitter dubbed Pt7O7, efficient and stable white organic light‐emitting diodes are developed. The excimer‐based white devices achieve an external quantum efficiency (EQE) of 24.5%, coordinates of (0.37, 0.42) based on the Commission internationale de l'éclairage (CIE) system, and a color rendering index (CRI) of 70. Moreover, devices of Pt7O7 in a stable structure demonstrate operational lifetimes (50% initial luminance) of 36 h at an elevated driving current of 20 mA cm2, which corresponds to over 10 000 h at 100 cd m2. |
| doi_str_mv | 10.1002/adma.201305507 |
| format | Article |
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Moreover, devices of Pt7O7 in a stable structure demonstrate operational lifetimes (50% initial luminance) of 36 h at an elevated driving current of 20 mA cm2, which corresponds to over 10 000 h at 100 cd m2.</description><identifier>ISSN: 0935-9648</identifier><identifier>EISSN: 1521-4095</identifier><identifier>DOI: 10.1002/adma.201305507</identifier><identifier>PMID: 24464778</identifier><language>eng</language><publisher>Germany: Blackwell Publishing Ltd</publisher><subject>blue LEDs ; Color ; Devices ; Elevated ; Emittance ; Luminance ; Organic light-emitting diodes ; phosphorescence ; platinum complexes ; Quantum efficiency ; Rendering ; white LEDs</subject><ispartof>Advanced materials (Weinheim), 2014-05, Vol.26 (18), p.2931-2936</ispartof><rights>2014 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim</rights><rights>2014 WILEY-VCH Verlag GmbH & Co. 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Mater</addtitle><description>Using a single tetradentate platinum emitter dubbed Pt7O7, efficient and stable white organic light‐emitting diodes are developed. The excimer‐based white devices achieve an external quantum efficiency (EQE) of 24.5%, coordinates of (0.37, 0.42) based on the Commission internationale de l'éclairage (CIE) system, and a color rendering index (CRI) of 70. Moreover, devices of Pt7O7 in a stable structure demonstrate operational lifetimes (50% initial luminance) of 36 h at an elevated driving current of 20 mA cm2, which corresponds to over 10 000 h at 100 cd m2.</description><subject>blue LEDs</subject><subject>Color</subject><subject>Devices</subject><subject>Elevated</subject><subject>Emittance</subject><subject>Luminance</subject><subject>Organic light-emitting diodes</subject><subject>phosphorescence</subject><subject>platinum complexes</subject><subject>Quantum efficiency</subject><subject>Rendering</subject><subject>white LEDs</subject><issn>0935-9648</issn><issn>1521-4095</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNqNkEtP20AUhUeoiATotsvKy24c7rw9y0DSBClA1VBlOZrY12GKH8HjqOTf4xCIuoPVka6-c3T1EfKNwoACsAuXlW7AgHKQEvQR6VPJaCzAyC-kD4bL2CiR9MhpCH8BwChQJ6THhFBC66RP5uM896nHqo1clUXz1i0LjBYPvsXorlm5yqfRzK8e2nhc-rb11Soa-TrDEI3LdVFvdwcXzbvoaq8INufkOHdFwK9veUb-_BzfX03j2d3k-mo4i1ORMB0zJZ2hS0QlTcaNQ5ehBk5TiQljOZOJzphO6TJhoLXhiRPIDafcgYBcKX5Gfux31039tMHQ2tKHFIvCVVhvgqVSUCE7MfQTKOMCuFG6Qwd7NG3qEBrM7brxpWu2loLdObc75_bgvCt8f9veLEvMDvi75A4we-CfL3D7wZwdjm6G_4_H-64PLT4fuq55tN2vWtrF7cT-or8vp6CndsZfACQPmnU</recordid><startdate>20140501</startdate><enddate>20140501</enddate><creator>Li, Guijie</creator><creator>Fleetham, Tyler</creator><creator>Li, Jian</creator><general>Blackwell Publishing Ltd</general><scope>BSCLL</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>7SP</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20140501</creationdate><title>Efficient and Stable White Organic Light-Emitting Diodes Employing a Single Emitter</title><author>Li, Guijie ; Fleetham, Tyler ; Li, Jian</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4827-265a91bee659d39aeade7031c5e822f2587d27c1b82077938a4e39313a040f663</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>blue LEDs</topic><topic>Color</topic><topic>Devices</topic><topic>Elevated</topic><topic>Emittance</topic><topic>Luminance</topic><topic>Organic light-emitting diodes</topic><topic>phosphorescence</topic><topic>platinum complexes</topic><topic>Quantum efficiency</topic><topic>Rendering</topic><topic>white LEDs</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Li, Guijie</creatorcontrib><creatorcontrib>Fleetham, Tyler</creatorcontrib><creatorcontrib>Li, Jian</creatorcontrib><collection>Istex</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>Electronics & Communications Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Advanced materials (Weinheim)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Li, Guijie</au><au>Fleetham, Tyler</au><au>Li, Jian</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Efficient and Stable White Organic Light-Emitting Diodes Employing a Single Emitter</atitle><jtitle>Advanced materials (Weinheim)</jtitle><addtitle>Adv. 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| subjects | blue LEDs Color Devices Elevated Emittance Luminance Organic light-emitting diodes phosphorescence platinum complexes Quantum efficiency Rendering white LEDs |
| title | Efficient and Stable White Organic Light-Emitting Diodes Employing a Single Emitter |
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