High efficiency and low efficiency roll-off hole-transporting layer-free solution-processed fluorescent NIR-OLEDs based on oligothiophene-benzothiadiazole derivatives
We report on simple low band-gap D-A-D type chromophores comprising triphylamine as a donor and oligothiophene-benzothiadiazoles as an acceptor. In the solid state, they exhibited strong near-infrared (NIR) emission with high fluorescence quantum yield when doped in the CBP host and low lying HOMO l...
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| Veröffentlicht in: | Journal of materials chemistry. C, Materials for optical and electronic devices Materials for optical and electronic devices, 2020-01, Vol.8 (15), p.545-55 |
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| container_issue | 15 |
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| container_title | Journal of materials chemistry. C, Materials for optical and electronic devices |
| container_volume | 8 |
| creator | Sudyoadsuk, Taweesak Chasing, Pongsakorn Kaewpuang, Terdkait Manyum, Thanaporn Chaiwai, Chaiyon Namuangruk, Supawadee Promarak, Vinich |
| description | We report on simple low band-gap D-A-D type chromophores comprising triphylamine as a donor and oligothiophene-benzothiadiazoles as an acceptor. In the solid state, they exhibited strong near-infrared (NIR) emission with high fluorescence quantum yield when doped in the CBP host and low lying HOMO levels suitable for hole-transporting NIR fluorescent emitters for organic light-emitting diodes (OLEDs). Simple hole-transporting layer free solution-processed double-layer OLEDs (ITO/PEDOT:PSS (40 nm)/EML (60 nm)/TPBi (35 nm)/LiF (0.5 nm):Al (150 nm)) demonstrated NIR emission (702-758 nm) with an excellent maximum EQE of 1.52%, low efficiency roll-off and high maximum radiance of 4463 mW Sr
−1
m
−2
, which is amongst the best performance for NIR-OLEDs based on organic fluorescent materials.
Two D-A-D type emitters exhibited superior simple hole-transporting free solution-processed OLEDs with maximum EQE of 1.52%, low efficiency roll-off and maximum radiance of 4463 mW Sr
−1
m
−2
, which is one the best solution-processed NIR-OLEDs. |
| doi_str_mv | 10.1039/d0tc00450b |
| format | Article |
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−1
m
−2
, which is amongst the best performance for NIR-OLEDs based on organic fluorescent materials.
Two D-A-D type emitters exhibited superior simple hole-transporting free solution-processed OLEDs with maximum EQE of 1.52%, low efficiency roll-off and maximum radiance of 4463 mW Sr
−1
m
−2
, which is one the best solution-processed NIR-OLEDs.</description><identifier>ISSN: 2050-7526</identifier><identifier>EISSN: 2050-7534</identifier><identifier>DOI: 10.1039/d0tc00450b</identifier><language>eng</language><publisher>CAMBRIDGE: Royal Soc Chemistry</publisher><subject>Chromophores ; Efficiency ; Emission ; Emitters ; Fluorescence ; Lithium fluoride ; Materials Science ; Materials Science, Multidisciplinary ; Near infrared radiation ; Organic light emitting diodes ; Physical Sciences ; Physics ; Physics, Applied ; Radiance ; Science & Technology ; Technology</subject><ispartof>Journal of materials chemistry. C, Materials for optical and electronic devices, 2020-01, Vol.8 (15), p.545-55</ispartof><rights>Copyright Royal Society of Chemistry 2020</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>true</woscitedreferencessubscribed><woscitedreferencescount>21</woscitedreferencescount><woscitedreferencesoriginalsourcerecordid>wos000530496500036</woscitedreferencesoriginalsourcerecordid><citedby>FETCH-LOGICAL-c410t-69580acf50199048f34a4e095b92483715b034613639fda5a489c6b5e333f7553</citedby><cites>FETCH-LOGICAL-c410t-69580acf50199048f34a4e095b92483715b034613639fda5a489c6b5e333f7553</cites><orcidid>0000-0002-9160-1578 ; 0000-0003-2087-6707 ; 0000-0003-4805-9944</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>315,781,785,27929,27930,28253</link.rule.ids></links><search><creatorcontrib>Sudyoadsuk, Taweesak</creatorcontrib><creatorcontrib>Chasing, Pongsakorn</creatorcontrib><creatorcontrib>Kaewpuang, Terdkait</creatorcontrib><creatorcontrib>Manyum, Thanaporn</creatorcontrib><creatorcontrib>Chaiwai, Chaiyon</creatorcontrib><creatorcontrib>Namuangruk, Supawadee</creatorcontrib><creatorcontrib>Promarak, Vinich</creatorcontrib><title>High efficiency and low efficiency roll-off hole-transporting layer-free solution-processed fluorescent NIR-OLEDs based on oligothiophene-benzothiadiazole derivatives</title><title>Journal of materials chemistry. C, Materials for optical and electronic devices</title><addtitle>J MATER CHEM C</addtitle><description>We report on simple low band-gap D-A-D type chromophores comprising triphylamine as a donor and oligothiophene-benzothiadiazoles as an acceptor. In the solid state, they exhibited strong near-infrared (NIR) emission with high fluorescence quantum yield when doped in the CBP host and low lying HOMO levels suitable for hole-transporting NIR fluorescent emitters for organic light-emitting diodes (OLEDs). Simple hole-transporting layer free solution-processed double-layer OLEDs (ITO/PEDOT:PSS (40 nm)/EML (60 nm)/TPBi (35 nm)/LiF (0.5 nm):Al (150 nm)) demonstrated NIR emission (702-758 nm) with an excellent maximum EQE of 1.52%, low efficiency roll-off and high maximum radiance of 4463 mW Sr
−1
m
−2
, which is amongst the best performance for NIR-OLEDs based on organic fluorescent materials.
Two D-A-D type emitters exhibited superior simple hole-transporting free solution-processed OLEDs with maximum EQE of 1.52%, low efficiency roll-off and maximum radiance of 4463 mW Sr
−1
m
−2
, which is one the best solution-processed NIR-OLEDs.</description><subject>Chromophores</subject><subject>Efficiency</subject><subject>Emission</subject><subject>Emitters</subject><subject>Fluorescence</subject><subject>Lithium fluoride</subject><subject>Materials Science</subject><subject>Materials Science, Multidisciplinary</subject><subject>Near infrared radiation</subject><subject>Organic light emitting diodes</subject><subject>Physical Sciences</subject><subject>Physics</subject><subject>Physics, Applied</subject><subject>Radiance</subject><subject>Science & Technology</subject><subject>Technology</subject><issn>2050-7526</issn><issn>2050-7534</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>AOWDO</sourceid><recordid>eNqNkkFvFCEUx4mxSZu1F-9NMN5sUGaB2eGo02qbbGxi6nnCMI9dGoQRmDbbD-TnlOma1ZMpFx7w-_8fvAdCryv6vqJMfhho1pRyQfsX6GRJBSUrwfjLQ7ysj9FpSne0jKaqm1qeoF9XdrPFYIzVFrzeYeUH7MLDv1sxOEeCMXgbHJAclU9jiNn6DXZqB5GYCIBTcFO2wZMxBg0pwYCNm0KEpMFn_PX6G7lZX14k3Kv5LHgcnN2EvLVh3IIH0oN_nJdqsOqxZMIDRHuvsr2H9AodGeUSnP6ZF-j758vb9oqsb75ctx_XRPOKZlJL0VCljaCVlJQ3hnHFgUrRyyVv2KoSPWW8rljNpBmUULyRuu4FMMbMSgi2QG_3vuURPydIubsLU_QlZbdksyObfRbo3Z7SMaQUwXRjtD9U3HUV7eZWdBf0tn1qxacCn-_hB-iDSU81hYOgtEIwymUtSlSutUDN8-nWZjWXvA2Tz0X6Zi-NSR8Uf_9ENw6mMGf_Y9hvLOm0LQ</recordid><startdate>20200101</startdate><enddate>20200101</enddate><creator>Sudyoadsuk, Taweesak</creator><creator>Chasing, Pongsakorn</creator><creator>Kaewpuang, Terdkait</creator><creator>Manyum, Thanaporn</creator><creator>Chaiwai, Chaiyon</creator><creator>Namuangruk, Supawadee</creator><creator>Promarak, Vinich</creator><general>Royal Soc Chemistry</general><general>Royal Society of Chemistry</general><scope>AOWDO</scope><scope>BLEPL</scope><scope>DTL</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0002-9160-1578</orcidid><orcidid>https://orcid.org/0000-0003-2087-6707</orcidid><orcidid>https://orcid.org/0000-0003-4805-9944</orcidid></search><sort><creationdate>20200101</creationdate><title>High efficiency and low efficiency roll-off hole-transporting layer-free solution-processed fluorescent NIR-OLEDs based on oligothiophene-benzothiadiazole derivatives</title><author>Sudyoadsuk, Taweesak ; Chasing, Pongsakorn ; Kaewpuang, Terdkait ; Manyum, Thanaporn ; Chaiwai, Chaiyon ; Namuangruk, Supawadee ; Promarak, Vinich</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c410t-69580acf50199048f34a4e095b92483715b034613639fda5a489c6b5e333f7553</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Chromophores</topic><topic>Efficiency</topic><topic>Emission</topic><topic>Emitters</topic><topic>Fluorescence</topic><topic>Lithium fluoride</topic><topic>Materials Science</topic><topic>Materials Science, Multidisciplinary</topic><topic>Near infrared radiation</topic><topic>Organic light emitting diodes</topic><topic>Physical Sciences</topic><topic>Physics</topic><topic>Physics, Applied</topic><topic>Radiance</topic><topic>Science & Technology</topic><topic>Technology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Sudyoadsuk, Taweesak</creatorcontrib><creatorcontrib>Chasing, Pongsakorn</creatorcontrib><creatorcontrib>Kaewpuang, Terdkait</creatorcontrib><creatorcontrib>Manyum, Thanaporn</creatorcontrib><creatorcontrib>Chaiwai, Chaiyon</creatorcontrib><creatorcontrib>Namuangruk, Supawadee</creatorcontrib><creatorcontrib>Promarak, Vinich</creatorcontrib><collection>Web of Science - Science Citation Index Expanded - 2020</collection><collection>Web of Science Core Collection</collection><collection>Science Citation Index Expanded</collection><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. 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C, Materials for optical and electronic devices</jtitle><stitle>J MATER CHEM C</stitle><date>2020-01-01</date><risdate>2020</risdate><volume>8</volume><issue>15</issue><spage>545</spage><epage>55</epage><pages>545-55</pages><issn>2050-7526</issn><eissn>2050-7534</eissn><abstract>We report on simple low band-gap D-A-D type chromophores comprising triphylamine as a donor and oligothiophene-benzothiadiazoles as an acceptor. In the solid state, they exhibited strong near-infrared (NIR) emission with high fluorescence quantum yield when doped in the CBP host and low lying HOMO levels suitable for hole-transporting NIR fluorescent emitters for organic light-emitting diodes (OLEDs). Simple hole-transporting layer free solution-processed double-layer OLEDs (ITO/PEDOT:PSS (40 nm)/EML (60 nm)/TPBi (35 nm)/LiF (0.5 nm):Al (150 nm)) demonstrated NIR emission (702-758 nm) with an excellent maximum EQE of 1.52%, low efficiency roll-off and high maximum radiance of 4463 mW Sr
−1
m
−2
, which is amongst the best performance for NIR-OLEDs based on organic fluorescent materials.
Two D-A-D type emitters exhibited superior simple hole-transporting free solution-processed OLEDs with maximum EQE of 1.52%, low efficiency roll-off and maximum radiance of 4463 mW Sr
−1
m
−2
, which is one the best solution-processed NIR-OLEDs.</abstract><cop>CAMBRIDGE</cop><pub>Royal Soc Chemistry</pub><doi>10.1039/d0tc00450b</doi><orcidid>https://orcid.org/0000-0002-9160-1578</orcidid><orcidid>https://orcid.org/0000-0003-2087-6707</orcidid><orcidid>https://orcid.org/0000-0003-4805-9944</orcidid></addata></record> |
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| source | Royal Society Of Chemistry Journals; Web of Science - Science Citation Index Expanded - 2020<img src="https://exlibris-pub.s3.amazonaws.com/fromwos-v2.jpg" /> |
| subjects | Chromophores Efficiency Emission Emitters Fluorescence Lithium fluoride Materials Science Materials Science, Multidisciplinary Near infrared radiation Organic light emitting diodes Physical Sciences Physics Physics, Applied Radiance Science & Technology Technology |
| title | High efficiency and low efficiency roll-off hole-transporting layer-free solution-processed fluorescent NIR-OLEDs based on oligothiophene-benzothiadiazole derivatives |
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