Synthesis of Soluble Host Materials for Highly Efficient Red Phosphorescent Organic Light-Emitting Diodes
New soluble host materials with benzocarbazole and triphenyltriazine moieties, 11-[3-(4,6-diphenyl-[1,3,5]triazin-2-yl)-phenyl]-11H-benzo[a]carbazole and 11-[3′-(4,6-diphenyl-[1,3,5]triazin-2-yl)-biphenyl-4-yl]-11H-benzo[a]carbazole, were synthesized for highly efficient red phosphorescent org...
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| Veröffentlicht in: | ACS applied materials & interfaces 2016-07, Vol.8 (28), p.18256-18265 |
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| container_title | ACS applied materials & interfaces |
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| creator | Suh, Min Chul Park, So-Ra Cho, Ye Ram Shin, Dong Heon Kang, Pil-Gu Ahn, Dong A Kim, Hyung Suk Kim, Chul-Bae |
| description | New soluble host materials with benzocarbazole and triphenyltriazine moieties, 11-[3-(4,6-diphenyl-[1,3,5]triazin-2-yl)-phenyl]-11H-benzo[a]carbazole and 11-[3′-(4,6-diphenyl-[1,3,5]triazin-2-yl)-biphenyl-4-yl]-11H-benzo[a]carbazole, were synthesized for highly efficient red phosphorescent organic light-emitting diodes (PHOLED). Hole-transporting benzocarbazole moiety and electron transporting triphenyltriazine moiety, which are severely twisted each other enhance the solubility of those materials in common organic solvent. The improved solubility from this molecular design could be due to a reduced π–π stacking interaction, which gives a very uniform film morphology after spin coating of those materials. As a result, we obtained highly efficient soluble PHOLEDs combined with an evaporated blue common layer structure. The resultant red PHOLED exhibited the maximum current efficiency as well as external quantum efficiency values up to 23.7 cd/A and 19.0%. |
| doi_str_mv | 10.1021/acsami.6b03281 |
| format | Article |
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Hole-transporting benzocarbazole moiety and electron transporting triphenyltriazine moiety, which are severely twisted each other enhance the solubility of those materials in common organic solvent. The improved solubility from this molecular design could be due to a reduced π–π stacking interaction, which gives a very uniform film morphology after spin coating of those materials. As a result, we obtained highly efficient soluble PHOLEDs combined with an evaporated blue common layer structure. The resultant red PHOLED exhibited the maximum current efficiency as well as external quantum efficiency values up to 23.7 cd/A and 19.0%.</description><identifier>ISSN: 1944-8244</identifier><identifier>EISSN: 1944-8252</identifier><identifier>DOI: 10.1021/acsami.6b03281</identifier><identifier>PMID: 27299702</identifier><language>eng</language><publisher>United States: American Chemical Society</publisher><ispartof>ACS applied materials & interfaces, 2016-07, Vol.8 (28), p.18256-18265</ispartof><rights>Copyright © 2016 American Chemical Society</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a396t-5eab4a289dba0db668f71a8817edc17247476c01ced67d6ead2d1204163c4dc53</citedby><cites>FETCH-LOGICAL-a396t-5eab4a289dba0db668f71a8817edc17247476c01ced67d6ead2d1204163c4dc53</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://pubs.acs.org/doi/pdf/10.1021/acsami.6b03281$$EPDF$$P50$$Gacs$$H</linktopdf><linktohtml>$$Uhttps://pubs.acs.org/doi/10.1021/acsami.6b03281$$EHTML$$P50$$Gacs$$H</linktohtml><link.rule.ids>314,776,780,2752,27053,27901,27902,56713,56763</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/27299702$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Suh, Min Chul</creatorcontrib><creatorcontrib>Park, So-Ra</creatorcontrib><creatorcontrib>Cho, Ye Ram</creatorcontrib><creatorcontrib>Shin, Dong Heon</creatorcontrib><creatorcontrib>Kang, Pil-Gu</creatorcontrib><creatorcontrib>Ahn, Dong A</creatorcontrib><creatorcontrib>Kim, Hyung Suk</creatorcontrib><creatorcontrib>Kim, Chul-Bae</creatorcontrib><title>Synthesis of Soluble Host Materials for Highly Efficient Red Phosphorescent Organic Light-Emitting Diodes</title><title>ACS applied materials & interfaces</title><addtitle>ACS Appl. 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Mater. Interfaces</addtitle><date>2016-07-20</date><risdate>2016</risdate><volume>8</volume><issue>28</issue><spage>18256</spage><epage>18265</epage><pages>18256-18265</pages><issn>1944-8244</issn><eissn>1944-8252</eissn><abstract>New soluble host materials with benzocarbazole and triphenyltriazine moieties, 11-[3-(4,6-diphenyl-[1,3,5]triazin-2-yl)-phenyl]-11H-benzo[a]carbazole and 11-[3′-(4,6-diphenyl-[1,3,5]triazin-2-yl)-biphenyl-4-yl]-11H-benzo[a]carbazole, were synthesized for highly efficient red phosphorescent organic light-emitting diodes (PHOLED). Hole-transporting benzocarbazole moiety and electron transporting triphenyltriazine moiety, which are severely twisted each other enhance the solubility of those materials in common organic solvent. The improved solubility from this molecular design could be due to a reduced π–π stacking interaction, which gives a very uniform film morphology after spin coating of those materials. As a result, we obtained highly efficient soluble PHOLEDs combined with an evaporated blue common layer structure. The resultant red PHOLED exhibited the maximum current efficiency as well as external quantum efficiency values up to 23.7 cd/A and 19.0%.</abstract><cop>United States</cop><pub>American Chemical Society</pub><pmid>27299702</pmid><doi>10.1021/acsami.6b03281</doi><tpages>10</tpages></addata></record> |
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| title | Synthesis of Soluble Host Materials for Highly Efficient Red Phosphorescent Organic Light-Emitting Diodes |
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