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Tuning Energetic Levels in Nanocrystal Quantum Dots through Surface Manipulations
Abstract
We demonstrate tuning of the electronic level positions with respect to the vacuum level in colloidal InAs nanocrystals using surface ligand exchange. Electrochemical as well as scanning tunneling spectroscopy measurements reveal that the tuning is largely dependent on the nanocrystal size and the surface linking group, while the polarity of the ligand molecules has a lesser effect. The implications of affecting the electronic system of nanocrystal through its capping are illustrated through prototype devices.
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Cited by
Improved performance and stability in quantum dot solar cells through band alignment engineering
Chuang, C.-H. M., Brown, P. R., Bulović, V., & Bawendi, M. G. (2014) · Nature Materials · doi:10.1038/nmat3984 · Cited by 1,795
Size-Dependent Valence and Conduction Band-Edge Energies of Semiconductor Nanocrystals
Jasieniak, J., Califano, M., & Watkins, S. E. (2011) · ACS Nano · doi:10.1021/nn201681s · Cited by 699
High-performance crosslinked colloidal quantum-dot light-emitting diodes
Cho, K.-S., Lee, E. K., Joo, W.-J., Jang, E., Kim, T.-H., Lee, S. J., Kwon, S.-J., Han, J. Y., Kim, B.-K., Choi, B. L., et al. (2009) · Nature Photonics · doi:10.1038/nphoton.2009.92 · Cited by 567
Metadata
- Authors
- Soreni-Harari, M., Yaacobi-Gross, N., Steiner, D., Aharoni, A., Banin, U., Millo, O., & Tessler, N.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2008-01-08
- Volume
- 8
- Issue
- 2
- Pages
- 678-684
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W2072142372
- Cited by
- 184
- References
- 0
- FWCI
- 5.39
- Type
- journal article
- Language
- en
- Open access
- closed
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- Soreni-Harari, M., Yaacobi-Gross, N., Steiner, D., Aharoni, A., Banin, U., Millo, O., & Tessler, N. (2008). Tuning Energetic Levels in Nanocrystal Quantum Dots through Surface Manipulations. Nano Letters. https://doi.org/10.1021/nl0732171
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Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
