Molecularly “Engineered” Anode Adsorbates for Probing OLED Interfacial Structure−Charge Injection/Luminance Relationships: Large, Structure-Dependent Effects
Molecule-scale structure effects at organic light-emitting diodes (OLED) anode−organic transport layer interfaces are probed via a self-assembly approach. A series of ITO anode-linked silyltriarylamine molecules differing in aryl group and linker density are synthesized for this purpose and used to...
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| Veröffentlicht in: | Journal of the American Chemical Society 2003-12, Vol.125 (48), p.14704-14705 |
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| container_issue | 48 |
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| container_title | Journal of the American Chemical Society |
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| creator | Huang, Qinglan Evmenenko, Guennadi Dutta, Pulak Marks, Tobin J |
| description | Molecule-scale structure effects at organic light-emitting diodes (OLED) anode−organic transport layer interfaces are probed via a self-assembly approach. A series of ITO anode-linked silyltriarylamine molecules differing in aryl group and linker density are synthesized for this purpose and used to probe the relationship between nanoscale interfacial chemical structure, charge injection and electroluminescence properties. Dramatic variations in hole injection magnitude and OLED performance can be correlated with the molecular structures and electrochemically derived heterogeneous electron-transfer rates of such triarylamine fragments, placed precisely at the anode−hole transport layer interface. Very bright and efficient (∼70 000 cd/m2 and ∼2.5% forward external quantum efficiency) OLEDs have thereby been fabricated. |
| doi_str_mv | 10.1021/ja037174b |
| format | Article |
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A series of ITO anode-linked silyltriarylamine molecules differing in aryl group and linker density are synthesized for this purpose and used to probe the relationship between nanoscale interfacial chemical structure, charge injection and electroluminescence properties. Dramatic variations in hole injection magnitude and OLED performance can be correlated with the molecular structures and electrochemically derived heterogeneous electron-transfer rates of such triarylamine fragments, placed precisely at the anode−hole transport layer interface. 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Am. Chem. Soc</addtitle><description>Molecule-scale structure effects at organic light-emitting diodes (OLED) anode−organic transport layer interfaces are probed via a self-assembly approach. A series of ITO anode-linked silyltriarylamine molecules differing in aryl group and linker density are synthesized for this purpose and used to probe the relationship between nanoscale interfacial chemical structure, charge injection and electroluminescence properties. Dramatic variations in hole injection magnitude and OLED performance can be correlated with the molecular structures and electrochemically derived heterogeneous electron-transfer rates of such triarylamine fragments, placed precisely at the anode−hole transport layer interface. Very bright and efficient (∼70 000 cd/m2 and ∼2.5% forward external quantum efficiency) OLEDs have thereby been fabricated.</description><subject>ADSORPTION</subject><subject>ANODES</subject><subject>CHARGE TRANSPORT</subject><subject>Condensed matter: electronic structure, electrical, magnetic, and optical properties</subject><subject>Electroluminescence</subject><subject>Exact sciences and technology</subject><subject>INTERFACES</subject><subject>MATERIALS SCIENCE</subject><subject>MOLECULES</subject><subject>MORPHOLOGY</subject><subject>NATIONAL SYNCHROTRON LIGHT SOURCE</subject><subject>Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation</subject><subject>Other luminescence and radiative recombination</subject><subject>Physics</subject><subject>PROBES</subject><issn>0002-7863</issn><issn>1520-5126</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2003</creationdate><recordtype>article</recordtype><recordid>eNpt0UGLEzEUAOBBFLeuHvwDEhAFwXGTTGam3Vtpu-5il112VzyGN5k3beo0qUkG3FuPevWsV39Yf4kpLduLEAh578vj8V6SvGT0A6OcnSyAZiUrRfUo6bGc0zRnvHic9CilPC37RXaUPPN-EZ-C99nT5IiJQtAiy3vJ30vboupacO092ax_T8xMG0SH9Wb9hwyNrZEMa29dBQE9aawj185W2szI1XQyJhcmoGtAaWjJbXCdCp3DzY9fozm4Gcb0AlXQ1pxMu6U2YBSSG2xhG_JzvfKnm_VPMt3a94f_6RhXaGo0gUyaJhbwz5MnDbQeX-zv4-Tz2eRudJ5Orz5ejIbTFESZhRSxEU3R5yAgG7CKlTlDXotKVVQMBFChslqxXAEAa6igXICCbaTAQRFtdpy83tW1PmjplQ6o5soaE5uQLKcszziN6u1OrZz91qEPcqm9wrYFg7bzsmSCx8MjfLeDylnvHTZy5fQS3L1kVG5XJx9WF-2rfdGuWmJ9kPtdRfBmD8AraBsXp6n9wcXWynyQRZfunPYBvz_kwX2VRZmVuby7vpX8Znz56fxLX54d6oLycmE7Z-KE_9PgP9Qqwfs</recordid><startdate>20031203</startdate><enddate>20031203</enddate><creator>Huang, Qinglan</creator><creator>Evmenenko, Guennadi</creator><creator>Dutta, Pulak</creator><creator>Marks, Tobin J</creator><general>American Chemical Society</general><scope>BSCLL</scope><scope>IQODW</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>OTOTI</scope></search><sort><creationdate>20031203</creationdate><title>Molecularly “Engineered” Anode Adsorbates for Probing OLED Interfacial Structure−Charge Injection/Luminance Relationships: Large, Structure-Dependent Effects</title><author>Huang, Qinglan ; Evmenenko, Guennadi ; Dutta, Pulak ; Marks, Tobin J</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a473t-eef4f682a4a391b1751e2d4bcb0494a04c3dc15caaa1f04024acadc156e9651e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2003</creationdate><topic>ADSORPTION</topic><topic>ANODES</topic><topic>CHARGE TRANSPORT</topic><topic>Condensed matter: electronic structure, electrical, magnetic, and optical properties</topic><topic>Electroluminescence</topic><topic>Exact sciences and technology</topic><topic>INTERFACES</topic><topic>MATERIALS SCIENCE</topic><topic>MOLECULES</topic><topic>MORPHOLOGY</topic><topic>NATIONAL SYNCHROTRON LIGHT SOURCE</topic><topic>Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation</topic><topic>Other luminescence and radiative recombination</topic><topic>Physics</topic><topic>PROBES</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Huang, Qinglan</creatorcontrib><creatorcontrib>Evmenenko, Guennadi</creatorcontrib><creatorcontrib>Dutta, Pulak</creatorcontrib><creatorcontrib>Marks, Tobin J</creatorcontrib><creatorcontrib>Brookhaven National Laboratory, National Synchrotron Light Source (US)</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>OSTI.GOV</collection><jtitle>Journal of the American Chemical Society</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Huang, Qinglan</au><au>Evmenenko, Guennadi</au><au>Dutta, Pulak</au><au>Marks, Tobin J</au><aucorp>Brookhaven National Laboratory, National Synchrotron Light Source (US)</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Molecularly “Engineered” Anode Adsorbates for Probing OLED Interfacial Structure−Charge Injection/Luminance Relationships: Large, Structure-Dependent Effects</atitle><jtitle>Journal of the American Chemical Society</jtitle><addtitle>J. Am. Chem. Soc</addtitle><date>2003-12-03</date><risdate>2003</risdate><volume>125</volume><issue>48</issue><spage>14704</spage><epage>14705</epage><pages>14704-14705</pages><issn>0002-7863</issn><eissn>1520-5126</eissn><coden>JACSAT</coden><abstract>Molecule-scale structure effects at organic light-emitting diodes (OLED) anode−organic transport layer interfaces are probed via a self-assembly approach. A series of ITO anode-linked silyltriarylamine molecules differing in aryl group and linker density are synthesized for this purpose and used to probe the relationship between nanoscale interfacial chemical structure, charge injection and electroluminescence properties. Dramatic variations in hole injection magnitude and OLED performance can be correlated with the molecular structures and electrochemically derived heterogeneous electron-transfer rates of such triarylamine fragments, placed precisely at the anode−hole transport layer interface. Very bright and efficient (∼70 000 cd/m2 and ∼2.5% forward external quantum efficiency) OLEDs have thereby been fabricated.</abstract><cop>Washington, DC</cop><pub>American Chemical Society</pub><pmid>14640635</pmid><doi>10.1021/ja037174b</doi><tpages>2</tpages></addata></record> |
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| subjects | ADSORPTION ANODES CHARGE TRANSPORT Condensed matter: electronic structure, electrical, magnetic, and optical properties Electroluminescence Exact sciences and technology INTERFACES MATERIALS SCIENCE MOLECULES MORPHOLOGY NATIONAL SYNCHROTRON LIGHT SOURCE Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation Other luminescence and radiative recombination Physics PROBES |
| title | Molecularly “Engineered” Anode Adsorbates for Probing OLED Interfacial Structure−Charge Injection/Luminance Relationships: Large, Structure-Dependent Effects |
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