Nanocomposite Dendrimers Based on Cyclic Phosphazene Cores: Amorphous Materials for Electroluminescent Devices
A new family of solution‐processable, photoluminescent, nanocomposite dendrimers based on cyclic phosphazene (CP) cores have been prepared and characterized. The synthetic approach is based on the preparation of bromoaromatic‐functionalized CP cores by reacting selected bromophenolic compounds with...
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| Veröffentlicht in: | Macromolecular rapid communications. 2006-02, Vol.27 (4), p.247-254 |
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| creator | Sudhakar, Sundarraj Sellinger, Alan |
| description | A new family of solution‐processable, photoluminescent, nanocomposite dendrimers based on cyclic phosphazene (CP) cores have been prepared and characterized. The synthetic approach is based on the preparation of bromoaromatic‐functionalized CP cores by reacting selected bromophenolic compounds with the commercially available hexachlorocyclotriphosphazene in yields >90%. The bromophenyl‐functionalized CP cores are then reacted with N‐p‐tolylpyren‐1‐amine using Buchwald‐Hartwig amination chemistry to give the dendrimers of interest in yields >90%. The resultant dendrimers have high glass transition (>165 °C) and decomposition temperatures (>465 °C), are monodisperse (PDI |
| doi_str_mv | 10.1002/marc.200500771 |
| format | Article |
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Structure of the cyclic phosphazene dendrimers.</description><subject>Applied sciences</subject><subject>Chemical modifications</subject><subject>Chemical reactions and properties</subject><subject>cyclic phosphazenes</subject><subject>dendrimers</subject><subject>Exact sciences and technology</subject><subject>nanocomposites</subject><subject>OLEDs</subject><subject>Organic polymers</subject><subject>Physicochemistry of polymers</subject><subject>triarylamines</subject><issn>1022-1336</issn><issn>1521-3927</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><recordid>eNqFkE1P3DAQhiPUSlDgytmXHrOM7Th2uC3hqxLQgvg4Wt7ZidYliSM70G5_PUFbQW89zRze5x3Nk2UHHGYcQBx2LuJMACgArflWtsOV4LmshP407SBEzqUst7MvKf0EAFOA2Mn6a9cHDN0Qkh-JnVC_jL6jmNixS7RkoWf1GluP7McqpGHl_lBPrA6R0hGbdyEOq_Cc2JUbKXrXJtaEyE5bwjGG9rnzPSWkfpyKXzxS2ss-N1OK9v_O3ez-7PSuvsgvv59_q-eXOUqlec4rJUosjJPGmKpRJQq1XBLIwuECykLhwiwK07gCscKmLA1wURlQpKRymuRuNtv0YgwpRWrsML3l4tpysG-27Jst-25rAr5ugMEldG0TXY8-fVBa8coYPeWqTe6Xb2n9n1Z7Nb-t_72Rb1ifRvr9zrr4ZEsttbKP1-e2kg83Z4_ixJbyFSTOjCo</recordid><startdate>20060224</startdate><enddate>20060224</enddate><creator>Sudhakar, Sundarraj</creator><creator>Sellinger, Alan</creator><general>WILEY-VCH Verlag</general><general>WILEY‐VCH Verlag</general><general>Wiley</general><scope>BSCLL</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20060224</creationdate><title>Nanocomposite Dendrimers Based on Cyclic Phosphazene Cores: Amorphous Materials for Electroluminescent Devices</title><author>Sudhakar, Sundarraj ; Sellinger, Alan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3571-19526c48a38889f56c25dde034acb0645cb8b48fa4cc9cf6680129805e535a7e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2006</creationdate><topic>Applied sciences</topic><topic>Chemical modifications</topic><topic>Chemical reactions and properties</topic><topic>cyclic phosphazenes</topic><topic>dendrimers</topic><topic>Exact sciences and technology</topic><topic>nanocomposites</topic><topic>OLEDs</topic><topic>Organic polymers</topic><topic>Physicochemistry of polymers</topic><topic>triarylamines</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Sudhakar, Sundarraj</creatorcontrib><creatorcontrib>Sellinger, Alan</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><jtitle>Macromolecular rapid communications.</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Sudhakar, Sundarraj</au><au>Sellinger, Alan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Nanocomposite Dendrimers Based on Cyclic Phosphazene Cores: Amorphous Materials for Electroluminescent Devices</atitle><jtitle>Macromolecular rapid communications.</jtitle><addtitle>Macromol. Rapid Commun</addtitle><date>2006-02-24</date><risdate>2006</risdate><volume>27</volume><issue>4</issue><spage>247</spage><epage>254</epage><pages>247-254</pages><issn>1022-1336</issn><eissn>1521-3927</eissn><abstract>A new family of solution‐processable, photoluminescent, nanocomposite dendrimers based on cyclic phosphazene (CP) cores have been prepared and characterized. The synthetic approach is based on the preparation of bromoaromatic‐functionalized CP cores by reacting selected bromophenolic compounds with the commercially available hexachlorocyclotriphosphazene in yields >90%. The bromophenyl‐functionalized CP cores are then reacted with N‐p‐tolylpyren‐1‐amine using Buchwald‐Hartwig amination chemistry to give the dendrimers of interest in yields >90%. The resultant dendrimers have high glass transition (>165 °C) and decomposition temperatures (>465 °C), are monodisperse (PDI < 1.05), have high purity via common chromatographic techniques, have high photoluminescent quantum efficiencies (83%), and form defect‐free amorphous films via spin/dip coating. A comparison to their molecular analogues is also provided to demonstrate the superior properties of the new nanocomposite dendrimers.
Structure of the cyclic phosphazene dendrimers.</abstract><cop>Weinheim</cop><pub>WILEY-VCH Verlag</pub><doi>10.1002/marc.200500771</doi><tpages>8</tpages></addata></record> |
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| subjects | Applied sciences Chemical modifications Chemical reactions and properties cyclic phosphazenes dendrimers Exact sciences and technology nanocomposites OLEDs Organic polymers Physicochemistry of polymers triarylamines |
| title | Nanocomposite Dendrimers Based on Cyclic Phosphazene Cores: Amorphous Materials for Electroluminescent Devices |
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