Bright and Efficient Red Light-Emitting Electrochemical Cells with Nondoped Organic Small Molecules: A New Approach
We have designed and synthesized two new novel molecules named TBT and PBT for the fabrication of nondoped light-emitting electrochemical cells (LECs). This is for the first time we are reporting red-emitting LECs with nondoped SMs in the history of LECs. Along with excellent thermal stability, the...
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| Veröffentlicht in: | ACS photonics 2022-01, Vol.9 (1), p.203-210 |
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| creator | John, Jino C Shanmugasundaram, Kanagaraj Gopakumar, Gopinadhanpillai Choe, Youngson |
| description | We have designed and synthesized two new novel molecules named TBT and PBT for the fabrication of nondoped light-emitting electrochemical cells (LECs). This is for the first time we are reporting red-emitting LECs with nondoped SMs in the history of LECs. Along with excellent thermal stability, the luminogens process better photophysical properties. The fabricated devices produced hyper red color emission with Commission International de I’Eclairage (CIE) coordinates (0.69, 0.30) and (0.73, 0.27) with electroluminescent peaks at 622 and 663 nm for PBT and TBT, respectively. The fabricated devices showed brightnesses of 1955 and 1393 cd/m2, current efficiencies 4.59 and 3.09 cd/A, and power efficiencies of 2.77 and 3.81 lm/W for PBT and TBT, respectively. |
| doi_str_mv | 10.1021/acsphotonics.1c01397 |
| format | Article |
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This is for the first time we are reporting red-emitting LECs with nondoped SMs in the history of LECs. Along with excellent thermal stability, the luminogens process better photophysical properties. The fabricated devices produced hyper red color emission with Commission International de I’Eclairage (CIE) coordinates (0.69, 0.30) and (0.73, 0.27) with electroluminescent peaks at 622 and 663 nm for PBT and TBT, respectively. 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This is for the first time we are reporting red-emitting LECs with nondoped SMs in the history of LECs. Along with excellent thermal stability, the luminogens process better photophysical properties. The fabricated devices produced hyper red color emission with Commission International de I’Eclairage (CIE) coordinates (0.69, 0.30) and (0.73, 0.27) with electroluminescent peaks at 622 and 663 nm for PBT and TBT, respectively. The fabricated devices showed brightnesses of 1955 and 1393 cd/m2, current efficiencies 4.59 and 3.09 cd/A, and power efficiencies of 2.77 and 3.81 lm/W for PBT and TBT, respectively.</abstract><cop>WASHINGTON</cop><pub>American Chemical Society</pub><doi>10.1021/acsphotonics.1c01397</doi><tpages>8</tpages><orcidid>https://orcid.org/0000-0003-2271-5982</orcidid><orcidid>https://orcid.org/0000-0003-0655-7582</orcidid><orcidid>https://orcid.org/0000-0001-9536-113X</orcidid></addata></record> |
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| source | ACS Publications; Web of Science - Science Citation Index Expanded - 2021<img src="https://exlibris-pub.s3.amazonaws.com/fromwos-v2.jpg" /> |
| subjects | Materials Science Materials Science, Multidisciplinary Nanoscience & Nanotechnology Optics Physical Sciences Physics Physics, Applied Physics, Condensed Matter Science & Technology Science & Technology - Other Topics Technology |
| title | Bright and Efficient Red Light-Emitting Electrochemical Cells with Nondoped Organic Small Molecules: A New Approach |
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