The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
Synthesis and Characterization of Highly Luminescent CdSe−Core CdS/Zn0.5Cd0.5S/ZnS Multishell Nanocrystals
Abstract
We report on the preparation and structural characterization of CdSe nanocrystals, which are covered by a multishell structure from CdS and ZnS. By using the newly developed successive ion layer adhesion and reaction (SILAR) technique, we could gradually change the shell composition from CdS to ZnS in the radial direction. Because of the stepwise adjustment of the lattice parameters in the radial direction, the resulting nanocrystals show a high crystallinity and are almost perfectly spherical, as was investigated by X-ray diffraction and electron microscopy. Also, due to the radial increase of the respective valence- and conduction-band offsets, the nanocrystals are well electronically passivated. This leads to a high fluorescence quantum yield of 70-85% for the amine terminated multishell particles in organic solvents and a quantum yield of up to 50% for mercapto propionic acid-covered particles in water. Finally, we present experimental results that substantiate the superior photochemical and colloidal stability of the multishell particles.
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Dabbousi, B. O., Rodriguez-Viejo, J., Mikulec, F. V., Heine, J. R., Mattoussi, H., Ober, R., Jensen, K. F., & Bawendi, M. G. (1997) · The Journal of Physical Chemistry B · doi:10.1021/jp971091y · Cited by 4,229
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Bera, D., Qian, L., Tseng, T.-K., & Holloway, P. H. (2010) · Materials · doi:10.3390/ma3042260 · Cited by 1,365
de Mello Donegá, C., Liljeroth, P., & Vanmaekelbergh, D. (2005) · Small · doi:10.1002/smll.200500239 · Cited by 511
Smith, A. M., Duan, H., Rhyner, M. N., Ruan, G., & Nie, S. (2006) · Physical Chemistry Chemical Physics · doi:10.1039/b606572b · Cited by 462
From Cd-Rich to Se-Rich − the Manipulation of CdSe Nanocrystal Surface Stoichiometry
Jasieniak, J., & Mulvaney, P. (2007) · Journal of the American Chemical Society · doi:10.1021/ja066205a · Cited by 379
Chemical Synthesis and Luminescence Applications of Colloidal Semiconductor Quantum Dots
Owen, J., & Brus, L. (2017) · Journal of the American Chemical Society · doi:10.1021/jacs.7b05267 · Cited by 369
Metadata
- Authors
- Xie, R., Kolb, U., Li, J., Basché, T., & Mews, A.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2005-04-29
- Volume
- 127
- Issue
- 20
- Pages
- 7480-7488
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2098946366
- Cited by
- 888
- References
- 1
- FWCI
- 19.75
- Type
- journal article
- Language
- en
- Open access
- closed
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