CN-substituted ortho -terphenyl core based high triplet energy bipolar host materials for stable and efficient blue TADF devices
Two novel, CN-substituted ortho -terphenyl (OTP) core based bipolar type host materials were designed and synthesized for application in blue thermally activated delayed fluorescence (TADF) devices. Both hosts, 3,3′′-di(9 H -carbazol-9-yl)-[1,1′:2′,1′′-terphenyl]-3′-carbonitrile ( oCN-OTP ) and 3,3′...
Gespeichert in:
| Veröffentlicht in: | Journal of materials chemistry. C, Materials for optical and electronic devices Materials for optical and electronic devices, 2021-01, Vol.9 (23), p.7426-7435 |
|---|---|
| Hauptverfasser: | , , , , , , , , |
| Format: | Artikel |
| Sprache: | eng |
| Schlagworte: | |
| Online-Zugang: | Volltext |
| Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
| container_end_page | 7435 |
|---|---|
| container_issue | 23 |
| container_start_page | 7426 |
| container_title | Journal of materials chemistry. C, Materials for optical and electronic devices |
| container_volume | 9 |
| creator | Lee, Hyuna Park, Jun Hyuk Yang, Ki Joon Hwang, Soon Jae Braveenth, Ramanaskanda Ha, Tae Hoon Han, Min I Lee, Chil Won Kwon, Jang Hyuk |
| description | Two novel, CN-substituted
ortho
-terphenyl (OTP) core based bipolar type host materials were designed and synthesized for application in blue thermally activated delayed fluorescence (TADF) devices. Both hosts, 3,3′′-di(9
H
-carbazol-9-yl)-[1,1′:2′,1′′-terphenyl]-3′-carbonitrile (
oCN-OTP
) and 3,3′′-di(9
H
-carbazol-9-yl)-[1,1′:2′,1′′-terphenyl]-4′-carbonitrile (
mCN-OTP
) with a CN moiety substituted on the
ortho
- and
meta
-position of the terphenyl core brought an impressive result in photophysical properties and charge carrier transporting ability. Moreover, the introduction of the CN moiety over the
ortho
-terphenyl core which connected with carbazole donor units not only enables achieving high triplet energy level but also enhances the bipolar characteristics. As expected, our new design strategy leads to enhancing the device efficiencies when employed with a stable blue TADF dopant of 5-(5,9-dioxa-13
b
-boranaphtho[3,2,1-de]anthracen-7-yl)-10,15-diphenyl-10,15-dihydro-5
H
diindolo [3,2-
a
:3′,2′-
c
]carbazole (DBA-DI). The device with
oCN-OTP
as a host material (30% DBA-DI) exhibited excellent current and external quantum efficiencies of 58.2 cd A
−1
and 29.5%, respectively. Interestingly, the
oCN-OTP
based blue TADF device recorded a longer device lifetime (LT
90
) of 28.8 hours at an initial luminance of 1000 cd m
−2
. |
| doi_str_mv | 10.1039/D1TC01119G |
| format | Article |
| fullrecord | <record><control><sourceid>proquest_cross</sourceid><recordid>TN_cdi_proquest_journals_2541779271</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>2541779271</sourcerecordid><originalsourceid>FETCH-LOGICAL-c267t-2f96713dfbc927dde4a4ffa4c46125ada469ef8d4cef990f099e0908d090bad23</originalsourceid><addsrcrecordid>eNpFUE1LAzEQDaJgqb34CwLehNUkm_3IsWxtFYpe6nnJbibdlO1mTbJCb_50IxWdw5uBeR_wELql5IGSVDyu6K4ilFKxuUAzRjKSFFnKL_9ull-jhfcHEqekeZmLGfqqXhM_NT6YMAVQ2LrQWZwEcGMHw6nHrXWAG-njrzP7Dgdnxh4ChgHc_oQbM9peOtxZH_BRRp2RvcfaOuyDbHrAclAYtDatgSHgpp8A75arNVbwaVrwN-hKRwUsfvccva-fdtVzsn3bvFTLbdKyvAgJ0yIvaKp00wpWKAVccq0lb3lOWSaV5LkAXSreghaCaCIEEEFKFaGRiqVzdHf2HZ39mMCH-mAnN8TImmWcFkW0pZF1f2a1znrvQNejM0fpTjUl9U_J9X_J6TdpAHCB</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>2541779271</pqid></control><display><type>article</type><title>CN-substituted ortho -terphenyl core based high triplet energy bipolar host materials for stable and efficient blue TADF devices</title><source>Royal Society Of Chemistry Journals 2008-</source><creator>Lee, Hyuna ; Park, Jun Hyuk ; Yang, Ki Joon ; Hwang, Soon Jae ; Braveenth, Ramanaskanda ; Ha, Tae Hoon ; Han, Min I ; Lee, Chil Won ; Kwon, Jang Hyuk</creator><creatorcontrib>Lee, Hyuna ; Park, Jun Hyuk ; Yang, Ki Joon ; Hwang, Soon Jae ; Braveenth, Ramanaskanda ; Ha, Tae Hoon ; Han, Min I ; Lee, Chil Won ; Kwon, Jang Hyuk</creatorcontrib><description>Two novel, CN-substituted
ortho
-terphenyl (OTP) core based bipolar type host materials were designed and synthesized for application in blue thermally activated delayed fluorescence (TADF) devices. Both hosts, 3,3′′-di(9
H
-carbazol-9-yl)-[1,1′:2′,1′′-terphenyl]-3′-carbonitrile (
oCN-OTP
) and 3,3′′-di(9
H
-carbazol-9-yl)-[1,1′:2′,1′′-terphenyl]-4′-carbonitrile (
mCN-OTP
) with a CN moiety substituted on the
ortho
- and
meta
-position of the terphenyl core brought an impressive result in photophysical properties and charge carrier transporting ability. Moreover, the introduction of the CN moiety over the
ortho
-terphenyl core which connected with carbazole donor units not only enables achieving high triplet energy level but also enhances the bipolar characteristics. As expected, our new design strategy leads to enhancing the device efficiencies when employed with a stable blue TADF dopant of 5-(5,9-dioxa-13
b
-boranaphtho[3,2,1-de]anthracen-7-yl)-10,15-diphenyl-10,15-dihydro-5
H
diindolo [3,2-
a
:3′,2′-
c
]carbazole (DBA-DI). The device with
oCN-OTP
as a host material (30% DBA-DI) exhibited excellent current and external quantum efficiencies of 58.2 cd A
−1
and 29.5%, respectively. Interestingly, the
oCN-OTP
based blue TADF device recorded a longer device lifetime (LT
90
) of 28.8 hours at an initial luminance of 1000 cd m
−2
.</description><identifier>ISSN: 2050-7526</identifier><identifier>EISSN: 2050-7534</identifier><identifier>DOI: 10.1039/D1TC01119G</identifier><language>eng</language><publisher>Cambridge: Royal Society of Chemistry</publisher><subject>Carbazoles ; Current carriers ; Electronic devices ; Energy levels ; Fluorescence ; Service life assessment ; Substitutes</subject><ispartof>Journal of materials chemistry. C, Materials for optical and electronic devices, 2021-01, Vol.9 (23), p.7426-7435</ispartof><rights>Copyright Royal Society of Chemistry 2021</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c267t-2f96713dfbc927dde4a4ffa4c46125ada469ef8d4cef990f099e0908d090bad23</citedby><cites>FETCH-LOGICAL-c267t-2f96713dfbc927dde4a4ffa4c46125ada469ef8d4cef990f099e0908d090bad23</cites><orcidid>0000-0002-7372-0506 ; 0000-0002-1743-1486</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Lee, Hyuna</creatorcontrib><creatorcontrib>Park, Jun Hyuk</creatorcontrib><creatorcontrib>Yang, Ki Joon</creatorcontrib><creatorcontrib>Hwang, Soon Jae</creatorcontrib><creatorcontrib>Braveenth, Ramanaskanda</creatorcontrib><creatorcontrib>Ha, Tae Hoon</creatorcontrib><creatorcontrib>Han, Min I</creatorcontrib><creatorcontrib>Lee, Chil Won</creatorcontrib><creatorcontrib>Kwon, Jang Hyuk</creatorcontrib><title>CN-substituted ortho -terphenyl core based high triplet energy bipolar host materials for stable and efficient blue TADF devices</title><title>Journal of materials chemistry. C, Materials for optical and electronic devices</title><description>Two novel, CN-substituted
ortho
-terphenyl (OTP) core based bipolar type host materials were designed and synthesized for application in blue thermally activated delayed fluorescence (TADF) devices. Both hosts, 3,3′′-di(9
H
-carbazol-9-yl)-[1,1′:2′,1′′-terphenyl]-3′-carbonitrile (
oCN-OTP
) and 3,3′′-di(9
H
-carbazol-9-yl)-[1,1′:2′,1′′-terphenyl]-4′-carbonitrile (
mCN-OTP
) with a CN moiety substituted on the
ortho
- and
meta
-position of the terphenyl core brought an impressive result in photophysical properties and charge carrier transporting ability. Moreover, the introduction of the CN moiety over the
ortho
-terphenyl core which connected with carbazole donor units not only enables achieving high triplet energy level but also enhances the bipolar characteristics. As expected, our new design strategy leads to enhancing the device efficiencies when employed with a stable blue TADF dopant of 5-(5,9-dioxa-13
b
-boranaphtho[3,2,1-de]anthracen-7-yl)-10,15-diphenyl-10,15-dihydro-5
H
diindolo [3,2-
a
:3′,2′-
c
]carbazole (DBA-DI). The device with
oCN-OTP
as a host material (30% DBA-DI) exhibited excellent current and external quantum efficiencies of 58.2 cd A
−1
and 29.5%, respectively. Interestingly, the
oCN-OTP
based blue TADF device recorded a longer device lifetime (LT
90
) of 28.8 hours at an initial luminance of 1000 cd m
−2
.</description><subject>Carbazoles</subject><subject>Current carriers</subject><subject>Electronic devices</subject><subject>Energy levels</subject><subject>Fluorescence</subject><subject>Service life assessment</subject><subject>Substitutes</subject><issn>2050-7526</issn><issn>2050-7534</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNpFUE1LAzEQDaJgqb34CwLehNUkm_3IsWxtFYpe6nnJbibdlO1mTbJCb_50IxWdw5uBeR_wELql5IGSVDyu6K4ilFKxuUAzRjKSFFnKL_9ull-jhfcHEqekeZmLGfqqXhM_NT6YMAVQ2LrQWZwEcGMHw6nHrXWAG-njrzP7Dgdnxh4ChgHc_oQbM9peOtxZH_BRRp2RvcfaOuyDbHrAclAYtDatgSHgpp8A75arNVbwaVrwN-hKRwUsfvccva-fdtVzsn3bvFTLbdKyvAgJ0yIvaKp00wpWKAVccq0lb3lOWSaV5LkAXSreghaCaCIEEEFKFaGRiqVzdHf2HZ39mMCH-mAnN8TImmWcFkW0pZF1f2a1znrvQNejM0fpTjUl9U_J9X_J6TdpAHCB</recordid><startdate>20210101</startdate><enddate>20210101</enddate><creator>Lee, Hyuna</creator><creator>Park, Jun Hyuk</creator><creator>Yang, Ki Joon</creator><creator>Hwang, Soon Jae</creator><creator>Braveenth, Ramanaskanda</creator><creator>Ha, Tae Hoon</creator><creator>Han, Min I</creator><creator>Lee, Chil Won</creator><creator>Kwon, Jang Hyuk</creator><general>Royal Society of Chemistry</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0002-7372-0506</orcidid><orcidid>https://orcid.org/0000-0002-1743-1486</orcidid></search><sort><creationdate>20210101</creationdate><title>CN-substituted ortho -terphenyl core based high triplet energy bipolar host materials for stable and efficient blue TADF devices</title><author>Lee, Hyuna ; Park, Jun Hyuk ; Yang, Ki Joon ; Hwang, Soon Jae ; Braveenth, Ramanaskanda ; Ha, Tae Hoon ; Han, Min I ; Lee, Chil Won ; Kwon, Jang Hyuk</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c267t-2f96713dfbc927dde4a4ffa4c46125ada469ef8d4cef990f099e0908d090bad23</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Carbazoles</topic><topic>Current carriers</topic><topic>Electronic devices</topic><topic>Energy levels</topic><topic>Fluorescence</topic><topic>Service life assessment</topic><topic>Substitutes</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lee, Hyuna</creatorcontrib><creatorcontrib>Park, Jun Hyuk</creatorcontrib><creatorcontrib>Yang, Ki Joon</creatorcontrib><creatorcontrib>Hwang, Soon Jae</creatorcontrib><creatorcontrib>Braveenth, Ramanaskanda</creatorcontrib><creatorcontrib>Ha, Tae Hoon</creatorcontrib><creatorcontrib>Han, Min I</creatorcontrib><creatorcontrib>Lee, Chil Won</creatorcontrib><creatorcontrib>Kwon, Jang Hyuk</creatorcontrib><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of materials chemistry. C, Materials for optical and electronic devices</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lee, Hyuna</au><au>Park, Jun Hyuk</au><au>Yang, Ki Joon</au><au>Hwang, Soon Jae</au><au>Braveenth, Ramanaskanda</au><au>Ha, Tae Hoon</au><au>Han, Min I</au><au>Lee, Chil Won</au><au>Kwon, Jang Hyuk</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>CN-substituted ortho -terphenyl core based high triplet energy bipolar host materials for stable and efficient blue TADF devices</atitle><jtitle>Journal of materials chemistry. C, Materials for optical and electronic devices</jtitle><date>2021-01-01</date><risdate>2021</risdate><volume>9</volume><issue>23</issue><spage>7426</spage><epage>7435</epage><pages>7426-7435</pages><issn>2050-7526</issn><eissn>2050-7534</eissn><abstract>Two novel, CN-substituted
ortho
-terphenyl (OTP) core based bipolar type host materials were designed and synthesized for application in blue thermally activated delayed fluorescence (TADF) devices. Both hosts, 3,3′′-di(9
H
-carbazol-9-yl)-[1,1′:2′,1′′-terphenyl]-3′-carbonitrile (
oCN-OTP
) and 3,3′′-di(9
H
-carbazol-9-yl)-[1,1′:2′,1′′-terphenyl]-4′-carbonitrile (
mCN-OTP
) with a CN moiety substituted on the
ortho
- and
meta
-position of the terphenyl core brought an impressive result in photophysical properties and charge carrier transporting ability. Moreover, the introduction of the CN moiety over the
ortho
-terphenyl core which connected with carbazole donor units not only enables achieving high triplet energy level but also enhances the bipolar characteristics. As expected, our new design strategy leads to enhancing the device efficiencies when employed with a stable blue TADF dopant of 5-(5,9-dioxa-13
b
-boranaphtho[3,2,1-de]anthracen-7-yl)-10,15-diphenyl-10,15-dihydro-5
H
diindolo [3,2-
a
:3′,2′-
c
]carbazole (DBA-DI). The device with
oCN-OTP
as a host material (30% DBA-DI) exhibited excellent current and external quantum efficiencies of 58.2 cd A
−1
and 29.5%, respectively. Interestingly, the
oCN-OTP
based blue TADF device recorded a longer device lifetime (LT
90
) of 28.8 hours at an initial luminance of 1000 cd m
−2
.</abstract><cop>Cambridge</cop><pub>Royal Society of Chemistry</pub><doi>10.1039/D1TC01119G</doi><tpages>10</tpages><orcidid>https://orcid.org/0000-0002-7372-0506</orcidid><orcidid>https://orcid.org/0000-0002-1743-1486</orcidid></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 2050-7526 |
| ispartof | Journal of materials chemistry. C, Materials for optical and electronic devices, 2021-01, Vol.9 (23), p.7426-7435 |
| issn | 2050-7526 2050-7534 |
| language | eng |
| recordid | cdi_proquest_journals_2541779271 |
| source | Royal Society Of Chemistry Journals 2008- |
| subjects | Carbazoles Current carriers Electronic devices Energy levels Fluorescence Service life assessment Substitutes |
| title | CN-substituted ortho -terphenyl core based high triplet energy bipolar host materials for stable and efficient blue TADF devices |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-01-06T23%3A07%3A47IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-proquest_cross&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=CN-substituted%20ortho%20-terphenyl%20core%20based%20high%20triplet%20energy%20bipolar%20host%20materials%20for%20stable%20and%20efficient%20blue%20TADF%20devices&rft.jtitle=Journal%20of%20materials%20chemistry.%20C,%20Materials%20for%20optical%20and%20electronic%20devices&rft.au=Lee,%20Hyuna&rft.date=2021-01-01&rft.volume=9&rft.issue=23&rft.spage=7426&rft.epage=7435&rft.pages=7426-7435&rft.issn=2050-7526&rft.eissn=2050-7534&rft_id=info:doi/10.1039/D1TC01119G&rft_dat=%3Cproquest_cross%3E2541779271%3C/proquest_cross%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_pqid=2541779271&rft_id=info:pmid/&rfr_iscdi=true |