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Synthesis of PbS Nanoclusters within Block Copolymer Nanoreactors
Abstract
We have demonstrated the synthesis of PbS nanoclusters within the microphase-separated films of diblock copolymers containing carboxylic acid units on one of the blocks. Lead was selectively sequestered into the acid containing domains by treating the polymer films with tetraethyllead, and PbS was formed by subsequently treating the films with H 2 S. The PbS nanoclusters were characterized by X-ray diffraction, X-ray fluorescence, electron microscopy, and UV−vis spectroscopy. The cluster size could be controlled by varying processing parameters such as temperature, the presence of coordinating bases, and the H 2 S exposure time. Increasing the size of the nanoreactors increased the cluster size. The universal cluster synthesis scheme enabled multiple passes through the process, which were used to increase the cluster size and which could in principle be used to passivate the surface of the PbS cluster or to produce mixed semiconductor clusters.
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Cited by
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Nanostructure fabrication using block copolymers
Hamley, I. W. (2003) · Nanotechnology · doi:10.1088/0957-4484/14/10/201 · Cited by 773
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Templin, M., Franck, A., Du Chesne, A., Leist, H., Zhang, Y., Ulrich, R., Schädler, V., & Wiesner, U. (1997) · Science · doi:10.1126/science.278.5344.1795 · Cited by 668
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Metadata
- Authors
- Kane, R. S., Cohen, R. E., & Silbey, R.
- Venue
- Chemistry of Materials
- Publisher
- American Chemical Society (ACS)
- Published
- 1996-01-01
- Volume
- 8
- Issue
- 8
- Pages
- 1919-1924
- ISSN
- 0897-4756 (ISSN-L)
- 1520-5002
- OpenAlex
- W2025700117
- Cited by
- 226
- References
- 0
- FWCI
- 5.07
- Type
- journal article
- Language
- en
- Open access
- closed
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- Kane, R. S., Cohen, R. E., & Silbey, R. (1996). Synthesis of PbS Nanoclusters within Block Copolymer Nanoreactors. Chemistry of Materials. https://doi.org/10.1021/cm960072i
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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