New Phosphorescent ppy-based Iridium Complexes Containing Electron-withdrawing Groups
For the development of blue-emitting Ir(III) complexes, a set of new ligands, 2-(3-Y-phenyl)-4-methoxypyridine where Y denotes an electron-withdrawing cyanyl (cpmpH) or acetyl group (apmpH), were designed and synthesized. The phosphorescent Ir complexes, IrL 2(pic) (L = cpmp; 1, apmp; 2, pic = 2-pic...
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| Veröffentlicht in: | Synthetic metals 2005-09, Vol.154 (1), p.157-160 |
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| creator | Jang, Hyosook Shin, Chang Hwan Kim, Nam Gwang Hwang, Kyu Young Do, Youngkyu |
| description | For the development of blue-emitting Ir(III) complexes, a set of new ligands, 2-(3-Y-phenyl)-4-methoxypyridine where Y denotes an electron-withdrawing cyanyl (cpmpH) or acetyl group (apmpH), were designed and synthesized. The phosphorescent Ir complexes, IrL
2(pic) (L
=
cpmp;
1, apmp;
2, pic
=
2-picolinate) were synthesized via chloro-bridged dimers, [IrL
2Cl]
2 and characterized by NMR spectra and elemental anaylses.
1 and
2 show bluish-green light with the PL maxima of 476 and 481
nm, respectively and blue-shifted emission compared to green phosphorescent Ir(ppy)
2(pic). The solution PL efficiency of
1 and
2 is 0.12 and 0.09, respectively. |
| doi_str_mv | 10.1016/j.synthmet.2005.07.039 |
| format | Article |
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2(pic) (L
=
cpmp;
1, apmp;
2, pic
=
2-picolinate) were synthesized via chloro-bridged dimers, [IrL
2Cl]
2 and characterized by NMR spectra and elemental anaylses.
1 and
2 show bluish-green light with the PL maxima of 476 and 481
nm, respectively and blue-shifted emission compared to green phosphorescent Ir(ppy)
2(pic). The solution PL efficiency of
1 and
2 is 0.12 and 0.09, respectively.</description><identifier>ISSN: 0379-6779</identifier><identifier>EISSN: 1879-3290</identifier><identifier>DOI: 10.1016/j.synthmet.2005.07.039</identifier><identifier>CODEN: SYMEDZ</identifier><language>eng</language><publisher>Lausanne: Elsevier B.V</publisher><subject>Atomic and molecular physics ; Exact sciences and technology ; Fluorescence and phosphorescence spectra ; Fluorescence and phosphorescence; radiationless transitions, quenching (intersystem crossing, internal conversion) ; Iridium ; Molecular properties and interactions with photons ; Phosphorescence ; Photoluminescence ; Physics</subject><ispartof>Synthetic metals, 2005-09, Vol.154 (1), p.157-160</ispartof><rights>2005</rights><rights>2006 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c439t-b815ae68fe5b9aab79772b549c06667a904655bf5643dc893e07471424250d773</citedby><cites>FETCH-LOGICAL-c439t-b815ae68fe5b9aab79772b549c06667a904655bf5643dc893e07471424250d773</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.synthmet.2005.07.039$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>310,311,315,781,785,790,791,3551,23934,23935,25144,27928,27929,45999</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=17169506$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Jang, Hyosook</creatorcontrib><creatorcontrib>Shin, Chang Hwan</creatorcontrib><creatorcontrib>Kim, Nam Gwang</creatorcontrib><creatorcontrib>Hwang, Kyu Young</creatorcontrib><creatorcontrib>Do, Youngkyu</creatorcontrib><title>New Phosphorescent ppy-based Iridium Complexes Containing Electron-withdrawing Groups</title><title>Synthetic metals</title><description>For the development of blue-emitting Ir(III) complexes, a set of new ligands, 2-(3-Y-phenyl)-4-methoxypyridine where Y denotes an electron-withdrawing cyanyl (cpmpH) or acetyl group (apmpH), were designed and synthesized. The phosphorescent Ir complexes, IrL
2(pic) (L
=
cpmp;
1, apmp;
2, pic
=
2-picolinate) were synthesized via chloro-bridged dimers, [IrL
2Cl]
2 and characterized by NMR spectra and elemental anaylses.
1 and
2 show bluish-green light with the PL maxima of 476 and 481
nm, respectively and blue-shifted emission compared to green phosphorescent Ir(ppy)
2(pic). The solution PL efficiency of
1 and
2 is 0.12 and 0.09, respectively.</description><subject>Atomic and molecular physics</subject><subject>Exact sciences and technology</subject><subject>Fluorescence and phosphorescence spectra</subject><subject>Fluorescence and phosphorescence; radiationless transitions, quenching (intersystem crossing, internal conversion)</subject><subject>Iridium</subject><subject>Molecular properties and interactions with photons</subject><subject>Phosphorescence</subject><subject>Photoluminescence</subject><subject>Physics</subject><issn>0379-6779</issn><issn>1879-3290</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><recordid>eNqFkMFu2zAQRImiBeo6-YVAl_QmdSmJpHhrYSROgCDNoTkTFLWKaEikSsp1_feh4RQ95rSDxcwu5hFyRaGgQPm3XRGPbhkmXIoSgBUgCqjkB7KijZB5VUr4SFZQJc2FkJ_Jlxh3AEBlyVbk-REP2dPg4zz4gNGgW7J5Puatjthl98F2dj9lGz_NI_7FmJRbtHXWvWQ3I5oleJcf7DJ0QR9Oy23w-zlekE-9HiNevs01eb69-bW5yx9-bu83Px5yU1dyyduGMo286ZG1UutWSCHKltXSAOdcaAk1Z6ztGa-rzjSyQhC1oHVZlww6Iao1-Xq-Owf_e49xUZNNHcZRO_T7qMqGSdHwJhn52WiCjzFgr-ZgJx2OioI6UVQ79Y-iOlFUIFSimILXbx90NHrsg3bGxv9pQblkwJPv-9mHqe4fi0FFY9EZ7GxImFTn7XuvXgGio4zD</recordid><startdate>20050922</startdate><enddate>20050922</enddate><creator>Jang, Hyosook</creator><creator>Shin, Chang Hwan</creator><creator>Kim, Nam Gwang</creator><creator>Hwang, Kyu Young</creator><creator>Do, Youngkyu</creator><general>Elsevier B.V</general><general>Elsevier Science</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope></search><sort><creationdate>20050922</creationdate><title>New Phosphorescent ppy-based Iridium Complexes Containing Electron-withdrawing Groups</title><author>Jang, Hyosook ; Shin, Chang Hwan ; Kim, Nam Gwang ; Hwang, Kyu Young ; Do, Youngkyu</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c439t-b815ae68fe5b9aab79772b549c06667a904655bf5643dc893e07471424250d773</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2005</creationdate><topic>Atomic and molecular physics</topic><topic>Exact sciences and technology</topic><topic>Fluorescence and phosphorescence spectra</topic><topic>Fluorescence and phosphorescence; radiationless transitions, quenching (intersystem crossing, internal conversion)</topic><topic>Iridium</topic><topic>Molecular properties and interactions with photons</topic><topic>Phosphorescence</topic><topic>Photoluminescence</topic><topic>Physics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Jang, Hyosook</creatorcontrib><creatorcontrib>Shin, Chang Hwan</creatorcontrib><creatorcontrib>Kim, Nam Gwang</creatorcontrib><creatorcontrib>Hwang, Kyu Young</creatorcontrib><creatorcontrib>Do, Youngkyu</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Synthetic metals</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Jang, Hyosook</au><au>Shin, Chang Hwan</au><au>Kim, Nam Gwang</au><au>Hwang, Kyu Young</au><au>Do, Youngkyu</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>New Phosphorescent ppy-based Iridium Complexes Containing Electron-withdrawing Groups</atitle><jtitle>Synthetic metals</jtitle><date>2005-09-22</date><risdate>2005</risdate><volume>154</volume><issue>1</issue><spage>157</spage><epage>160</epage><pages>157-160</pages><issn>0379-6779</issn><eissn>1879-3290</eissn><coden>SYMEDZ</coden><abstract>For the development of blue-emitting Ir(III) complexes, a set of new ligands, 2-(3-Y-phenyl)-4-methoxypyridine where Y denotes an electron-withdrawing cyanyl (cpmpH) or acetyl group (apmpH), were designed and synthesized. The phosphorescent Ir complexes, IrL
2(pic) (L
=
cpmp;
1, apmp;
2, pic
=
2-picolinate) were synthesized via chloro-bridged dimers, [IrL
2Cl]
2 and characterized by NMR spectra and elemental anaylses.
1 and
2 show bluish-green light with the PL maxima of 476 and 481
nm, respectively and blue-shifted emission compared to green phosphorescent Ir(ppy)
2(pic). The solution PL efficiency of
1 and
2 is 0.12 and 0.09, respectively.</abstract><cop>Lausanne</cop><cop>Amsterdam</cop><cop>New York, NY</cop><pub>Elsevier B.V</pub><doi>10.1016/j.synthmet.2005.07.039</doi><tpages>4</tpages></addata></record> |
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| language | eng |
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| source | Access via ScienceDirect (Elsevier) |
| subjects | Atomic and molecular physics Exact sciences and technology Fluorescence and phosphorescence spectra Fluorescence and phosphorescence radiationless transitions, quenching (intersystem crossing, internal conversion) Iridium Molecular properties and interactions with photons Phosphorescence Photoluminescence Physics |
| title | New Phosphorescent ppy-based Iridium Complexes Containing Electron-withdrawing Groups |
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