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Quasi‐2D Colloidal Semiconductor Nanoplatelets for Narrow Electroluminescence
Open accessAbstract
The first functional light‐emitting diodes (LEDs) based on quasi 2D colloidal core/shell CdSe/CdZnS nanoplatelets (NPLs). The solution‐processed hybrid devices are optimized with respect to their electroluminescent characteristics, first, by improving charge injection through exchanging the as‐synthesized NPL long‐chain ligands to shorter ones such as 3‐mercaptopropionic acid, and second, by comparing different hole‐transporting layers. NPL‐LEDs exhibit a maximum luminance of 4499 cd m‐2 and external quantum efficiencies of 0.63%. In particular, over different applied voltages, systematically narrow electroluminescence of full width at half maximum (FWHM) in the range of 25–30 nm is observed to be independent from the choice of device configuration and NPL ligands. As spectrally narrow electroluminescence is highly attractive in terms of color purity in the context of LED applications, these results emphasize the unique potential of this new class of colloidal core/shell nanoplatelet in achieving bright and functional LEDs of superior color purity.
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Bright, multicoloured light-emitting diodes based on quantum dots
Sun, Q., Wang, Y. A., Li, L. S., Wang, D., Zhu, T., Xu, J., Yang, C., & Li, Y. (2007) · Nature Photonics · doi:10.1038/nphoton.2007.226 · Cited by 1,147
Cited by
Amplified Spontaneous Emission and Lasing in Colloidal Nanoplatelets
Guzelturk, B., Kelestemur, Y., Olutas, M., Delikanli, S., & Demir, H. V. (2014) · ACS Nano · doi:10.1021/nn5022296 · Cited by 384
Progress and Prospects of Solution-Processed Two-Dimensional Semiconductor Nanocrystals
Porotnikov, D., & Zamkov, M. (2020) · The Journal of Physical Chemistry C · doi:10.1021/acs.jpcc.0c06868 · Cited by 41
Metadata
- Authors
- Chen, Z., Nadal, B., Mahler, B., Aubin, H., & Dubertret, B.
- Venue
- Advanced Functional Materials
- Publisher
- Wiley
- Published
- 2013-07-16
- Volume
- 24
- Issue
- 3
- Pages
- 295-302
- ISSN
- 1616-301X (ISSN-L)
- 1616-3028
- OpenAlex
- W2164984043
- Cited by
- 275
- References
- 1
- FWCI
- 7.25
- Type
- journal article
- Language
- en
- Open access
- green
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- Chen, Z., Nadal, B., Mahler, B., Aubin, H., & Dubertret, B. (2014). Quasi‐2D Colloidal Semiconductor Nanoplatelets for Narrow Electroluminescence. Advanced Functional Materials. https://doi.org/10.1002/adfm.201301711
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