Novel light-emitting electrophosphorescent copolymers based on carbazole with an Ir complex on the backbone
Identifieur interne : 001338 ( Chine/Analysis ); précédent : 001337; suivant : 001339Novel light-emitting electrophosphorescent copolymers based on carbazole with an Ir complex on the backbone
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Abstract
Novel light-emitting phosphorescent polymers based on 3,6-carbazole with an iridium complex on the backbone were synthesized by Suzuki polycondensation of A-A and B-B type monomers. Three difluoro-substituted phenylpyridine iridium complexes with different ancillary ligands (FIrptz, FIrpic and FIrtmd) were introduced into the poly(3,6-carbazole) (PCz) backbone, causing distinct differences in the photo- and electroluminescence properties. The PL efficiency of PCz-FIrtmd5 is as high as 62% compared with the value of 9% of the fluorene-alt-carbazole-based copolymer (PFCz-FIrtmd5), which indicated that the 3,6-carbazole unit was suitable to serve as the host for a green electrophosphorescent polymer. The ancillary ligand of bicycloiridium complexes also affects the device performance based on chelating copolymers. The best device performances were obtained from copolymer PCz-FIrtmd5 with the maximal luminous efficiency of 4.4 cd A-1 and a luminance of 453 mA cm-2 at a current density of 10.3 mA cm-2 with the configuration: ITO/PEDOT/polymer + PBD(30 wt%)/Ba/Al.
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en" level="a">Novel light-emitting electrophosphorescent copolymers based on carbazole with an Ir complex on the backbone</title><author><name>HONGYU ZHEN</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Institute of Polymer Optoelectronic Materials and Devices, Key Lab of Specially Functional Materials, Ministry of Education, South China University of Technology</s1><s2>Guangzhou, 510640</s2><s3>CHN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>7 aut.</sZ><sZ>8 aut.</sZ></inist:fA14><country>République populaire de Chine</country><wicri:noRegion>Guangzhou, 510640</wicri:noRegion></affiliation><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>State Key Lab of Modern Optical Instrumentation, Zhejiang University</s1><s2>Hangzhou, 310027</s2><s3>CHN</s3><sZ>1 aut.</sZ></inist:fA14><country>République populaire de Chine</country><wicri:noRegion>Hangzhou, 310027</wicri:noRegion></affiliation></author><author><name>JIE LUO</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Institute of Polymer Optoelectronic Materials and Devices, Key Lab of Specially Functional Materials, Ministry of Education, South China University of Technology</s1><s2>Guangzhou, 510640</s2><s3>CHN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>7 aut.</sZ><sZ>8 aut.</sZ></inist:fA14><country>République populaire de Chine</country><wicri:noRegion>Guangzhou, 510640</wicri:noRegion></affiliation></author><author><name>WEI YANG</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Institute of Polymer Optoelectronic Materials and Devices, Key Lab of Specially Functional Materials, Ministry of Education, South China University of Technology</s1><s2>Guangzhou, 510640</s2><s3>CHN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>7 aut.</sZ><sZ>8 aut.</sZ></inist:fA14><country>République populaire de Chine</country><wicri:noRegion>Guangzhou, 510640</wicri:noRegion></affiliation></author><author><name>QILIANG CHEN</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Institute of Polymer Optoelectronic Materials and Devices, Key Lab of Specially Functional Materials, Ministry of Education, South China University of Technology</s1><s2>Guangzhou, 510640</s2><s3>CHN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>7 aut.</sZ><sZ>8 aut.</sZ></inist:fA14><country>République populaire de Chine</country><wicri:noRegion>Guangzhou, 510640</wicri:noRegion></affiliation></author><author><name>LEI YING</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Institute of Polymer Optoelectronic Materials and Devices, Key Lab of Specially Functional Materials, Ministry of Education, South China University of Technology</s1><s2>Guangzhou, 510640</s2><s3>CHN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>7 aut.</sZ><sZ>8 aut.</sZ></inist:fA14><country>République populaire de Chine</country><wicri:noRegion>Guangzhou, 510640</wicri:noRegion></affiliation></author><author><name>ZOU JIANHUA</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Institute of Polymer Optoelectronic Materials and Devices, Key Lab of Specially Functional Materials, Ministry of Education, South China University of Technology</s1><s2>Guangzhou, 510640</s2><s3>CHN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>7 aut.</sZ><sZ>8 aut.</sZ></inist:fA14><country>République populaire de Chine</country><wicri:noRegion>Guangzhou, 510640</wicri:noRegion></affiliation></author><author><name>HONGBIN WU</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Institute of Polymer Optoelectronic Materials and Devices, Key Lab of Specially Functional Materials, Ministry of Education, South China University of Technology</s1><s2>Guangzhou, 510640</s2><s3>CHN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>7 aut.</sZ><sZ>8 aut.</sZ></inist:fA14><country>République populaire de Chine</country><wicri:noRegion>Guangzhou, 510640</wicri:noRegion></affiliation></author><author><name>YONG CAO</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Institute of Polymer Optoelectronic Materials and Devices, Key Lab of Specially Functional Materials, Ministry of Education, South China University of Technology</s1><s2>Guangzhou, 510640</s2><s3>CHN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>7 aut.</sZ><sZ>8 aut.</sZ></inist:fA14><country>République populaire de Chine</country><wicri:noRegion>Guangzhou, 510640</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="inist">07-0381756</idno><date when="2007">2007</date><idno type="stanalyst">PASCAL 07-0381756 INIST</idno><idno type="RBID">Pascal:07-0381756</idno><idno type="wicri:Area/Main/Corpus">007664</idno><idno type="wicri:Area/Main/Repository">007436</idno><idno type="wicri:Area/Chine/Extraction">001338</idno></publicationStmt><seriesStmt><idno type="ISSN">0959-9428</idno><title level="j" type="abbreviated">J. mater. chem.</title><title level="j" type="main">Journal of material chemistry</title></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Barium</term><term>Cadmium</term><term>Carbazoles</term><term>Condensation polymerization</term><term>Copolymers</term><term>Current density</term><term>Electroluminescence</term><term>Indium oxides</term><term>Iridium complexes</term><term>Ligands</term><term>Monomers</term><term>Organometallic compounds</term><term>Photoluminescence</term><term>Polymers</term><term>Tin oxides</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Copolymère</term><term>Polymère</term><term>Iridium complexe</term><term>Monomère</term><term>Ligand</term><term>Electroluminescence</term><term>Photoluminescence</term><term>Densité courant</term><term>Polycondensation</term><term>Composé organométallique</term><term>Carbazole</term><term>Cadmium</term><term>Etain oxyde</term><term>Indium oxyde</term><term>Baryum</term><term>8105L</term><term>7860F</term></keywords><keywords scheme="Wicri" type="concept" xml:lang="fr"><term>Polymère</term><term>Cadmium</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Novel light-emitting phosphorescent polymers based on 3,6-carbazole with an iridium complex on the backbone were synthesized by Suzuki polycondensation of A-A and B-B type monomers. Three difluoro-substituted phenylpyridine iridium complexes with different ancillary ligands (FIrptz, FIrpic and FIrtmd) were introduced into the poly(3,6-carbazole) (PCz) backbone, causing distinct differences in the photo- and electroluminescence properties. The PL efficiency of PCz-FIrtmd5 is as high as 62% compared with the value of 9% of the fluorene-alt-carbazole-based copolymer (PFCz-FIrtmd5), which indicated that the 3,6-carbazole unit was suitable to serve as the host for a green electrophosphorescent polymer. The ancillary ligand of bicycloiridium complexes also affects the device performance based on chelating copolymers. The best device performances were obtained from copolymer PCz-FIrtmd5 with the maximal luminous efficiency of 4.4 cd A<sup>-1</sup> and a luminance of 453 mA cm<sup>-2</sup> at a current density of 10.3 mA cm<sup>-2</sup> with the configuration: ITO/PEDOT/polymer + PBD(30 wt%)/Ba/Al.</div></front></TEI><inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>0959-9428</s0></fA01><fA03 i2="1"><s0>J. mater. chem.</s0></fA03><fA05><s2>17</s2></fA05><fA06><s2>27</s2></fA06><fA08 i1="01" i2="1" l="ENG"><s1>Novel light-emitting electrophosphorescent copolymers based on carbazole with an Ir complex on the backbone</s1></fA08><fA11 i1="01" i2="1"><s1>HONGYU ZHEN</s1></fA11><fA11 i1="02" i2="1"><s1>JIE LUO</s1></fA11><fA11 i1="03" i2="1"><s1>WEI YANG</s1></fA11><fA11 i1="04" i2="1"><s1>QILIANG CHEN</s1></fA11><fA11 i1="05" i2="1"><s1>LEI YING</s1></fA11><fA11 i1="06" i2="1"><s1>ZOU JIANHUA</s1></fA11><fA11 i1="07" i2="1"><s1>HONGBIN WU</s1></fA11><fA11 i1="08" i2="1"><s1>YONG CAO</s1></fA11><fA14 i1="01"><s1>Institute of Polymer Optoelectronic Materials and Devices, Key Lab of Specially Functional Materials, Ministry of Education, South China University of Technology</s1><s2>Guangzhou, 510640</s2><s3>CHN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>7 aut.</sZ><sZ>8 aut.</sZ></fA14><fA14 i1="02"><s1>State Key Lab of Modern Optical Instrumentation, Zhejiang University</s1><s2>Hangzhou, 310027</s2><s3>CHN</s3><sZ>1 aut.</sZ></fA14><fA20><s1>2824-2831</s1></fA20><fA21><s1>2007</s1></fA21><fA23 i1="01"><s0>ENG</s0></fA23><fA43 i1="01"><s1>INIST</s1><s2>22603</s2><s5>354000161413440080</s5></fA43><fA44><s0>0000</s0><s1>© 2007 INIST-CNRS. All rights reserved.</s1></fA44><fA45><s0>24 ref.</s0></fA45><fA47 i1="01" i2="1"><s0>07-0381756</s0></fA47><fA60><s1>P</s1></fA60><fA61><s0>A</s0></fA61><fA64 i1="01" i2="1"><s0>Journal of material chemistry</s0></fA64><fA66 i1="01"><s0>GBR</s0></fA66><fC01 i1="01" l="ENG"><s0>Novel light-emitting phosphorescent polymers based on 3,6-carbazole with an iridium complex on the backbone were synthesized by Suzuki polycondensation of A-A and B-B type monomers. Three difluoro-substituted phenylpyridine iridium complexes with different ancillary ligands (FIrptz, FIrpic and FIrtmd) were introduced into the poly(3,6-carbazole) (PCz) backbone, causing distinct differences in the photo- and electroluminescence properties. The PL efficiency of PCz-FIrtmd5 is as high as 62% compared with the value of 9% of the fluorene-alt-carbazole-based copolymer (PFCz-FIrtmd5), which indicated that the 3,6-carbazole unit was suitable to serve as the host for a green electrophosphorescent polymer. The ancillary ligand of bicycloiridium complexes also affects the device performance based on chelating copolymers. The best device performances were obtained from copolymer PCz-FIrtmd5 with the maximal luminous efficiency of 4.4 cd A<sup>-1</sup> and a luminance of 453 mA cm<sup>-2</sup> at a current density of 10.3 mA cm<sup>-2</sup> with the configuration: ITO/PEDOT/polymer + PBD(30 wt%)/Ba/Al.</s0></fC01><fC02 i1="01" i2="3"><s0>001B80A05Z</s0></fC02><fC02 i1="02" i2="3"><s0>001B70H55</s0></fC02><fC02 i1="03" i2="3"><s0>001B70H60F</s0></fC02><fC03 i1="01" i2="3" l="FRE"><s0>Copolymère</s0><s5>01</s5></fC03><fC03 i1="01" i2="3" l="ENG"><s0>Copolymers</s0><s5>01</s5></fC03><fC03 i1="02" i2="3" l="FRE"><s0>Polymère</s0><s5>02</s5></fC03><fC03 i1="02" i2="3" l="ENG"><s0>Polymers</s0><s5>02</s5></fC03><fC03 i1="03" i2="3" l="FRE"><s0>Iridium complexe</s0><s2>NK</s2><s5>03</s5></fC03><fC03 i1="03" i2="3" l="ENG"><s0>Iridium complexes</s0><s2>NK</s2><s5>03</s5></fC03><fC03 i1="04" i2="3" l="FRE"><s0>Monomère</s0><s5>04</s5></fC03><fC03 i1="04" i2="3" l="ENG"><s0>Monomers</s0><s5>04</s5></fC03><fC03 i1="05" i2="3" l="FRE"><s0>Ligand</s0><s5>05</s5></fC03><fC03 i1="05" i2="3" l="ENG"><s0>Ligands</s0><s5>05</s5></fC03><fC03 i1="06" i2="3" l="FRE"><s0>Electroluminescence</s0><s5>06</s5></fC03><fC03 i1="06" i2="3" l="ENG"><s0>Electroluminescence</s0><s5>06</s5></fC03><fC03 i1="07" i2="3" l="FRE"><s0>Photoluminescence</s0><s5>07</s5></fC03><fC03 i1="07" i2="3" l="ENG"><s0>Photoluminescence</s0><s5>07</s5></fC03><fC03 i1="08" i2="3" l="FRE"><s0>Densité courant</s0><s5>08</s5></fC03><fC03 i1="08" i2="3" l="ENG"><s0>Current density</s0><s5>08</s5></fC03><fC03 i1="09" i2="X" l="FRE"><s0>Polycondensation</s0><s5>09</s5></fC03><fC03 i1="09" i2="X" l="ENG"><s0>Condensation polymerization</s0><s5>09</s5></fC03><fC03 i1="09" i2="X" l="SPA"><s0>Policondensación</s0><s5>09</s5></fC03><fC03 i1="10" i2="3" l="FRE"><s0>Composé organométallique</s0><s5>10</s5></fC03><fC03 i1="10" i2="3" l="ENG"><s0>Organometallic compounds</s0><s5>10</s5></fC03><fC03 i1="11" i2="3" l="FRE"><s0>Carbazole</s0><s2>NK</s2><s5>11</s5></fC03><fC03 i1="11" i2="3" l="ENG"><s0>Carbazoles</s0><s2>NK</s2><s5>11</s5></fC03><fC03 i1="12" i2="3" l="FRE"><s0>Cadmium</s0><s2>NC</s2><s5>15</s5></fC03><fC03 i1="12" i2="3" l="ENG"><s0>Cadmium</s0><s2>NC</s2><s5>15</s5></fC03><fC03 i1="13" i2="3" l="FRE"><s0>Etain oxyde</s0><s2>NK</s2><s5>16</s5></fC03><fC03 i1="13" i2="3" l="ENG"><s0>Tin oxides</s0><s2>NK</s2><s5>16</s5></fC03><fC03 i1="14" i2="3" l="FRE"><s0>Indium oxyde</s0><s2>NK</s2><s5>17</s5></fC03><fC03 i1="14" i2="3" l="ENG"><s0>Indium oxides</s0><s2>NK</s2><s5>17</s5></fC03><fC03 i1="15" i2="3" l="FRE"><s0>Baryum</s0><s2>NC</s2><s5>18</s5></fC03><fC03 i1="15" i2="3" l="ENG"><s0>Barium</s0><s2>NC</s2><s5>18</s5></fC03><fC03 i1="16" i2="3" l="FRE"><s0>8105L</s0><s4>INC</s4><s5>71</s5></fC03><fC03 i1="17" i2="3" l="FRE"><s0>7860F</s0><s4>INC</s4><s5>72</s5></fC03><fN21><s1>246</s1></fN21></pA></standard></inist></record>Pour manipuler ce document sous Unix (Dilib)
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