Luminescent zinc(ii) and copper(i) complexes for high-performance solution-processed monochromic and white organic light-emitting devices
The synthesis and spectroscopic properties of luminescent tetranuclear zinc(ii) complexes of substituted 7-azaindoles and a series of luminescent copper(i) complexes containing 7,8-bis(diphenylphosphino)-7,8-dicarba- -undecaborate ligand are described. These complexes are stable towards air and mois...
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| Veröffentlicht in: | Chemical science (Cambridge) 2015-08, Vol.6 (8), p.4623-4635 |
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| creator | Cheng, Gang So, Gary Kwok-Ming To, Wai-Pong Chen, Yong Kwok, Chi-Chung Ma, Chensheng Guan, Xiangguo Chang, Xiaoyong Kwok, Wai-Ming Che, Chi-Ming |
| description | The synthesis and spectroscopic properties of luminescent tetranuclear zinc(ii) complexes of substituted 7-azaindoles and a series of luminescent copper(i) complexes containing 7,8-bis(diphenylphosphino)-7,8-dicarba-
-undecaborate ligand are described. These complexes are stable towards air and moisture. Thin film samples of the luminescent copper(i) complexes in 2,6-dicarbazolo-1,5-pyridine and zinc(ii) complexes in poly(methyl methacrylate) showed emission quantum yields of up to 0.60 (for
) and 0.96 (for
), respectively. Their photophysical properties were examined by ultrafast time-resolved emission spectroscopy, temperature dependent emission lifetime measurements and density functional theory calculations. Monochromic blue and orange solution-processed OLEDs with these Zn(ii) and Cu(i) complexes as light-emitting dopants have been fabricated, respectively. Maximum external quantum efficiency (EQE) of 5.55% and Commission Internationale de l'Eclairage (CIE) coordinates of (0.16, 0.19) were accomplished with the optimized
-OLED while these values were, respectively 15.64% and (0.48, 0.51) for the optimized
-OLED. Solution-processed white OLEDs having maximum EQE of 6.88%, CIE coordinates of (0.42, 0.44), and colour rendering index of 81 were fabricated by using these luminescent Zn(ii) and Cu(i) complexes as blue and orange light-emitting dopant materials, respectively. |
| doi_str_mv | 10.1039/c4sc03161j |
| format | Article |
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-undecaborate ligand are described. These complexes are stable towards air and moisture. Thin film samples of the luminescent copper(i) complexes in 2,6-dicarbazolo-1,5-pyridine and zinc(ii) complexes in poly(methyl methacrylate) showed emission quantum yields of up to 0.60 (for
) and 0.96 (for
), respectively. Their photophysical properties were examined by ultrafast time-resolved emission spectroscopy, temperature dependent emission lifetime measurements and density functional theory calculations. Monochromic blue and orange solution-processed OLEDs with these Zn(ii) and Cu(i) complexes as light-emitting dopants have been fabricated, respectively. Maximum external quantum efficiency (EQE) of 5.55% and Commission Internationale de l'Eclairage (CIE) coordinates of (0.16, 0.19) were accomplished with the optimized
-OLED while these values were, respectively 15.64% and (0.48, 0.51) for the optimized
-OLED. Solution-processed white OLEDs having maximum EQE of 6.88%, CIE coordinates of (0.42, 0.44), and colour rendering index of 81 were fabricated by using these luminescent Zn(ii) and Cu(i) complexes as blue and orange light-emitting dopant materials, respectively.</description><identifier>ISSN: 2041-6520</identifier><identifier>EISSN: 2041-6539</identifier><identifier>DOI: 10.1039/c4sc03161j</identifier><identifier>PMID: 29142704</identifier><language>eng</language><publisher>England: Royal Society of Chemistry</publisher><subject>Chemistry ; Copper ; Devices ; Dopants ; Emission spectroscopy ; Polymethyl methacrylates ; Quantum efficiency ; Rendering ; Zinc</subject><ispartof>Chemical science (Cambridge), 2015-08, Vol.6 (8), p.4623-4635</ispartof><rights>This journal is © The Royal Society of Chemistry 2015 2015</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c477t-38c8fcccbf7e8cdd57ab0bbed0775ee9d9288ce48a2afbdb8866ecc3c2028d873</citedby><cites>FETCH-LOGICAL-c477t-38c8fcccbf7e8cdd57ab0bbed0775ee9d9288ce48a2afbdb8866ecc3c2028d873</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC5667404/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC5667404/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,724,777,781,861,882,27905,27906,53772,53774</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/29142704$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Cheng, Gang</creatorcontrib><creatorcontrib>So, Gary Kwok-Ming</creatorcontrib><creatorcontrib>To, Wai-Pong</creatorcontrib><creatorcontrib>Chen, Yong</creatorcontrib><creatorcontrib>Kwok, Chi-Chung</creatorcontrib><creatorcontrib>Ma, Chensheng</creatorcontrib><creatorcontrib>Guan, Xiangguo</creatorcontrib><creatorcontrib>Chang, Xiaoyong</creatorcontrib><creatorcontrib>Kwok, Wai-Ming</creatorcontrib><creatorcontrib>Che, Chi-Ming</creatorcontrib><title>Luminescent zinc(ii) and copper(i) complexes for high-performance solution-processed monochromic and white organic light-emitting devices</title><title>Chemical science (Cambridge)</title><addtitle>Chem Sci</addtitle><description>The synthesis and spectroscopic properties of luminescent tetranuclear zinc(ii) complexes of substituted 7-azaindoles and a series of luminescent copper(i) complexes containing 7,8-bis(diphenylphosphino)-7,8-dicarba-
-undecaborate ligand are described. These complexes are stable towards air and moisture. Thin film samples of the luminescent copper(i) complexes in 2,6-dicarbazolo-1,5-pyridine and zinc(ii) complexes in poly(methyl methacrylate) showed emission quantum yields of up to 0.60 (for
) and 0.96 (for
), respectively. Their photophysical properties were examined by ultrafast time-resolved emission spectroscopy, temperature dependent emission lifetime measurements and density functional theory calculations. Monochromic blue and orange solution-processed OLEDs with these Zn(ii) and Cu(i) complexes as light-emitting dopants have been fabricated, respectively. Maximum external quantum efficiency (EQE) of 5.55% and Commission Internationale de l'Eclairage (CIE) coordinates of (0.16, 0.19) were accomplished with the optimized
-OLED while these values were, respectively 15.64% and (0.48, 0.51) for the optimized
-OLED. Solution-processed white OLEDs having maximum EQE of 6.88%, CIE coordinates of (0.42, 0.44), and colour rendering index of 81 were fabricated by using these luminescent Zn(ii) and Cu(i) complexes as blue and orange light-emitting dopant materials, respectively.</description><subject>Chemistry</subject><subject>Copper</subject><subject>Devices</subject><subject>Dopants</subject><subject>Emission spectroscopy</subject><subject>Polymethyl methacrylates</subject><subject>Quantum efficiency</subject><subject>Rendering</subject><subject>Zinc</subject><issn>2041-6520</issn><issn>2041-6539</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNqFkctu1TAQhi1ERau2Gx4AZXlACnVsJ3Y2SOiIq47EAlhbznhy4iqxg50U2jfgrXEvHJUV3ng88_vTzPyEPK_o64ry9gJEAsqrprp8Qk4YFVXZ1Lx9eogZPSbnKV3SfDivaiafkWPWVoJJKk7I7906OY8J0C_FjfOwce5lYbwtIMwzxk1-QZjmEX9hKvoQi8HthzJXcjwZD1ikMK6LC76cYwBMCW0xBR9giGFycMf6ObgFixD3xufMmAlLiZNbFuf3hcUrl_-dkaPejAnPH-5T8v39u2_bj-Xuy4dP27e7EoSUS8kVqB4Aul6iAmtraTradWiplDVia1umFKBQhpm-s51STYMAHBhlyirJT8mbe-68dhPa28GjGfUc3WTitQ7G6X8r3g16H6503TRSUJEBmwdADD9WTIueXN7fOBqPYU26avPWG65q-X-p5JQKyRTP0lf3UoghpYj9oaOK6lun9VZ83d45_TmLXzye4SD96yv_AyJdqOc</recordid><startdate>20150801</startdate><enddate>20150801</enddate><creator>Cheng, Gang</creator><creator>So, Gary Kwok-Ming</creator><creator>To, Wai-Pong</creator><creator>Chen, Yong</creator><creator>Kwok, Chi-Chung</creator><creator>Ma, Chensheng</creator><creator>Guan, Xiangguo</creator><creator>Chang, Xiaoyong</creator><creator>Kwok, Wai-Ming</creator><creator>Che, Chi-Ming</creator><general>Royal Society of Chemistry</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7SR</scope><scope>7TB</scope><scope>8BQ</scope><scope>8FD</scope><scope>FR3</scope><scope>JG9</scope><scope>L7M</scope><scope>7X8</scope><scope>5PM</scope></search><sort><creationdate>20150801</creationdate><title>Luminescent zinc(ii) and copper(i) complexes for high-performance solution-processed monochromic and white organic light-emitting devices</title><author>Cheng, Gang ; So, Gary Kwok-Ming ; To, Wai-Pong ; Chen, Yong ; Kwok, Chi-Chung ; Ma, Chensheng ; Guan, Xiangguo ; Chang, Xiaoyong ; Kwok, Wai-Ming ; Che, Chi-Ming</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c477t-38c8fcccbf7e8cdd57ab0bbed0775ee9d9288ce48a2afbdb8866ecc3c2028d873</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Chemistry</topic><topic>Copper</topic><topic>Devices</topic><topic>Dopants</topic><topic>Emission spectroscopy</topic><topic>Polymethyl methacrylates</topic><topic>Quantum efficiency</topic><topic>Rendering</topic><topic>Zinc</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Cheng, Gang</creatorcontrib><creatorcontrib>So, Gary Kwok-Ming</creatorcontrib><creatorcontrib>To, Wai-Pong</creatorcontrib><creatorcontrib>Chen, Yong</creatorcontrib><creatorcontrib>Kwok, Chi-Chung</creatorcontrib><creatorcontrib>Ma, Chensheng</creatorcontrib><creatorcontrib>Guan, Xiangguo</creatorcontrib><creatorcontrib>Chang, Xiaoyong</creatorcontrib><creatorcontrib>Kwok, Wai-Ming</creatorcontrib><creatorcontrib>Che, Chi-Ming</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Chemical science (Cambridge)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Cheng, Gang</au><au>So, Gary Kwok-Ming</au><au>To, Wai-Pong</au><au>Chen, Yong</au><au>Kwok, Chi-Chung</au><au>Ma, Chensheng</au><au>Guan, Xiangguo</au><au>Chang, Xiaoyong</au><au>Kwok, Wai-Ming</au><au>Che, Chi-Ming</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Luminescent zinc(ii) and copper(i) complexes for high-performance solution-processed monochromic and white organic light-emitting devices</atitle><jtitle>Chemical science (Cambridge)</jtitle><addtitle>Chem Sci</addtitle><date>2015-08-01</date><risdate>2015</risdate><volume>6</volume><issue>8</issue><spage>4623</spage><epage>4635</epage><pages>4623-4635</pages><issn>2041-6520</issn><eissn>2041-6539</eissn><abstract>The synthesis and spectroscopic properties of luminescent tetranuclear zinc(ii) complexes of substituted 7-azaindoles and a series of luminescent copper(i) complexes containing 7,8-bis(diphenylphosphino)-7,8-dicarba-
-undecaborate ligand are described. These complexes are stable towards air and moisture. Thin film samples of the luminescent copper(i) complexes in 2,6-dicarbazolo-1,5-pyridine and zinc(ii) complexes in poly(methyl methacrylate) showed emission quantum yields of up to 0.60 (for
) and 0.96 (for
), respectively. Their photophysical properties were examined by ultrafast time-resolved emission spectroscopy, temperature dependent emission lifetime measurements and density functional theory calculations. Monochromic blue and orange solution-processed OLEDs with these Zn(ii) and Cu(i) complexes as light-emitting dopants have been fabricated, respectively. Maximum external quantum efficiency (EQE) of 5.55% and Commission Internationale de l'Eclairage (CIE) coordinates of (0.16, 0.19) were accomplished with the optimized
-OLED while these values were, respectively 15.64% and (0.48, 0.51) for the optimized
-OLED. Solution-processed white OLEDs having maximum EQE of 6.88%, CIE coordinates of (0.42, 0.44), and colour rendering index of 81 were fabricated by using these luminescent Zn(ii) and Cu(i) complexes as blue and orange light-emitting dopant materials, respectively.</abstract><cop>England</cop><pub>Royal Society of Chemistry</pub><pmid>29142704</pmid><doi>10.1039/c4sc03161j</doi><tpages>13</tpages><oa>free_for_read</oa></addata></record> |
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| source | DOAJ Directory of Open Access Journals; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; PubMed Central Open Access; PubMed Central |
| subjects | Chemistry Copper Devices Dopants Emission spectroscopy Polymethyl methacrylates Quantum efficiency Rendering Zinc |
| title | Luminescent zinc(ii) and copper(i) complexes for high-performance solution-processed monochromic and white organic light-emitting devices |
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