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Organic light-emitting transistors with an efficiency that outperforms the equivalent light-emitting diodes
Open accessAbstract
The potential of organic semiconductor-based devices for light generation is demonstrated by the commercialization of display technologies based on organic light-emitting diodes (OLEDs). Nonetheless, exciton quenching and photon loss processes still limit OLED efficiency and brightness. Organic light-emitting transistors (OLETs) are alternative light sources combining, in the same architecture, the switching mechanism of a thin-film transistor and an electroluminescent device. Thus, OLETs could open a new era in organic optoelectronics and serve as testbeds to address general fundamental optoelectronic and photonic issues. Here, we introduce the concept of using a p-channel/emitter/n-channel trilayer semiconducting heterostructure in OLETs, providing a new approach to markedly improve OLET performance and address these open questions. In this architecture, exciton-charge annihilation and electrode photon losses are prevented. Our devices are >100 times more efficient than the equivalent OLED, >2x more efficient than the optimized OLED with the same emitting layer and >10 times more efficient than any other reported OLETs.
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Citations
Cited by
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Facchetti, A. (2011) · Chemistry of Materials · doi:10.1021/cm102419z · Cited by 2,348
Self-citationOrganic photonics for communications
Clark, J., & Lanzani, G. (2010) · Nature Photonics · doi:10.1038/nphoton.2010.160 · Cited by 823
Lead iodide perovskite light-emitting field-effect transistor
Chin, X. Y., Cortecchia, D., Yin, J., Bruno, A., & Soci, C. (2015) · Nature Communications · doi:10.1038/ncomms8383 · Cited by 767
Lee, J., Han, A.-R., Yu, H., Shin, T. J., Yang, C., & Oh, J. H. (2013) · Journal of the American Chemical Society · doi:10.1021/ja403949g · Cited by 498
Sonar, P., Singh, S. P., Li, Y., Soh, M. S., & Dodabalapur, A. (2010) · Advanced Materials · doi:10.1002/adma.201002973 · Cited by 428
Metadata
- Authors
- Capelli, R., Toffanin, S., Generali, G., Usta, H., Facchetti, A., & Muccini, M.
- Venue
- Nature Materials
- Published
- 2010-05-02
- Volume
- 9
- Issue
- 6
- Pages
- 496-503
- ISSN
- 1476-1122 (ISSN-L)
- 1476-4660
- OpenAlex
- W2136763669
- Cited by
- 589
- References
- 0
- FWCI
- 37.13
- Type
- journal article
- Language
- en
- Open access
- green
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- Capelli, R., Toffanin, S., Generali, G., Usta, H., Facchetti, A., & Muccini, M. (2010). Organic light-emitting transistors with an efficiency that outperforms the equivalent light-emitting diodes. Nature Materials. https://doi.org/10.1038/nmat2751
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