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Metal-free Inorganic Ligands for Colloidal Nanocrystals: S2–, HS–, Se2–, HSe–, Te2–, HTe–, TeS32–, OH–, and NH2– as Surface Ligands
Abstract
All-inorganic colloidal nanocrystals were synthesized by replacing organic capping ligands on chemically synthesized nanocrystals with metal-free inorganic ions such as S(2-), HS(-), Se(2-), HSe(-), Te(2-), HTe(-), TeS(3)(2-), OH(-) and NH(2)(-). These simple ligands adhered to the NC surface and provided colloidal stability in polar solvents. The versatility of such ligand exchange has been demonstrated for various semiconductor and metal nanocrystals of different size and shape. We showed that the key aspects of Pearson's hard and soft acids and bases (HSAB) principle, originally developed for metal coordination compounds, can be applied to the bonding of molecular species to the nanocrystal surface. The use of small inorganic ligands instead of traditional ligands with long hydrocarbon tails facilitated the charge transport between individual nanocrystals and opened up interesting opportunities for device integration of colloidal nanostructures.
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Citations
Cites
Pearson, R. G. (1963) · Journal of the American Chemical Society · doi:10.1021/ja00905a001 · Cited by 10,475
Cited by
Anderson, N. C., Hendricks, M. P., Choi, J. J., & Owen, J. S. (2013) · Journal of the American Chemical Society · doi:10.1021/ja4086758 · Cited by 874
Nan, W., Niu, Y., Qin, H., Cui, F., Yang, Y., Lai, R., Lin, W., & Peng, X. (2012) · Journal of the American Chemical Society · doi:10.1021/ja306651x · Cited by 301
Du, R., Wang, J., Wang, Y., Hübner, R., Fan, X., Senkovska, I., Hu, Y., Kaskel, S., & Eychmüller, A. (2020) · Nature Communications · doi:10.1038/s41467-020-15391-w · Cited by 184
Emerging Hierarchical Aerogels: Self‐Assembly of Metal and Semiconductor Nanocrystals
Cai, B., Sayevich, V., Gaponik, N., & Eychmüller, A. (2018) · Advanced Materials · doi:10.1002/adma.201707518 · Cited by 136
Killilea, N., Wu, M., Sytnyk, M., Yousefi Amin, A. A., Mashkov, O., Spiecker, E., & Heiss, W. (2019) · Advanced Functional Materials · doi:10.1002/adfm.201807964 · Cited by 51
Metadata
- Authors
- Nag, A., Kovalenko, M. V., Lee, J.-S., Liu, W., Spokoyny, B., & Talapin, D. V.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2011-06-17
- Volume
- 133
- Issue
- 27
- Pages
- 10612-10620
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2033982667
- Cited by
- 728
- References
- 1
- FWCI
- 27.11
- Type
- journal article
- Language
- en
- Open access
- closed
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- The paper
- Nag, A., Kovalenko, M. V., Lee, J.-S., Liu, W., Spokoyny, B., & Talapin, D. V. (2011). Metal-free Inorganic Ligands for Colloidal Nanocrystals: S2–, HS–, Se2–, HSe–, Te2–, HTe–, TeS32–, OH–, and NH2– as Surface Ligands. Journal of the American Chemical Society. https://doi.org/10.1021/ja2029415
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