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Color Tuning in Benzo[1,2,5]thiadiazole‐Based Small Molecules by Amino Conjugation/Deconjugation: Bright Red‐Light‐Emitting Diodes
Abstract
Bipolar compounds (referred to in general as btza) containing a benzo[1,2,5]thiadiazole core and peripheral diarylamines and/or 4‐tert‐butylphenyl moieties have been synthesized via palladium‐catalyzed cross‐coupling reactions of 4,7‐dibromobenzo[1,2,5]thiadiazole with appropriate stannyl compounds. These compounds are fluorescent and the emission color ranges from green to red. The fluorescence of the compounds originates from a charge‐transfer process and exhibits solvatochromism. These red‐light‐emitting materials are amorphous and devices of different configurations were fabricated: I) ITO/btza/TPBI/Mg:Ag; II) ITO/btza/Alq 3/Mg:Ag; III) ITO/btza/Mg:Ag (where ITO = indium tin oxide, TPBI = 1,3,5‐tris(N‐phenylbezimidazol‐2‐yl)benzene, and Alq 3 = tris(8‐hydroxyquinoline)aluminum). The performance of some of the red‐light‐emitting devices appears to be very promising.
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Cited by
Electron Transport Materials for Organic Light-Emitting Diodes
Kulkarni, A. P., Tonzola, C. J., Babel, A., & Jenekhe, S. A. (2004) · Chemistry of Materials · doi:10.1021/cm049473l · Cited by 1,624
Neto, B. A. D., Lapis, A. A. M., da Silva Júnior, E. N., & Dupont, J. (2013) · European Journal of Organic Chemistry · doi:10.1002/ejoc.201201161 · Cited by 328
Chromophore-Labeled Quinoxaline Derivatives as Efficient Electroluminescent Materials
Justin Thomas, K. R., Velusamy, M., Lin, J. T., Chuen, C.-H., & Tao, Y.-T. (2005) · Chemistry of Materials · doi:10.1021/cm047705a · Cited by 300
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Metadata
- Authors
- Justin Thomas, K. R., Lin, J. T., Velusamy, M., Tao, Y. ‐., & Chuen, C. ‐.
- Venue
- Advanced Functional Materials
- Publisher
- Wiley
- Published
- 2004-01
- Volume
- 14
- Issue
- 1
- Pages
- 83-90
- ISSN
- 1616-301X (ISSN-L)
- 1616-3028
- OpenAlex
- W2158328380
- Cited by
- 354
- References
- 0
- FWCI
- 19.62
- Type
- journal article
- Language
- en
- Open access
- closed
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- Justin Thomas, K. R., Lin, J. T., Velusamy, M., Tao, Y. ‐., & Chuen, C. ‐. (2004). Color Tuning in Benzo[1,2,5]thiadiazole‐Based Small Molecules by Amino Conjugation/Deconjugation: Bright Red‐Light‐Emitting Diodes. Advanced Functional Materials. https://doi.org/10.1002/adfm.200304486
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