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Photoactivated CdSe Nanocrystals as Nanosensors for Gases
Abstract
The photoluminescence (PL) of high-quality CdSe nanocrystals (NCs) incorporated into polymer thin films was found to respond reversibly and rapidly to environmental changes upon photoradiation above their absorption onset. The PL of the NCs may be dramatically enhanced or diminished depending on the properties of the gases. Photostimulation was found to be necessary for the response, which likely makes the original dense-ligands monolayer on the surface of the NCs permeable to gases by the activation of the vibration modes of the NC lattice through photon−phonon coupling.
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Cited by
Surface Ligand Dynamics in Growth of Nanocrystals
Pradhan, N., Reifsnyder, D., Xie, R., Aldana, J., & Peng, X. (2007) · Journal of the American Chemical Society · doi:10.1021/ja0725089 · Cited by 317
Self-citationKano, S., Kim, K., & Fujii, M. (2017) · ACS Sensors · doi:10.1021/acssensors.7b00199 · Cited by 282
Development of Technologies for Sensing Ozone in Ambient Air
Ando, M., Biju, V., & Shigeri, Y. (2018) · Analytical Sciences · doi:10.2116/analsci.34.263 · Cited by 32
Metadata
- Authors
- Nazzal, A. Y., Qu, L., Peng, X., & Xiao, M.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2003-04-24
- Volume
- 3
- Issue
- 6
- Pages
- 819-822
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W1988406482
- Cited by
- 252
- References
- 0
- FWCI
- 9.54
- Type
- journal article
- Language
- en
- Open access
- closed
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- Nazzal, A. Y., Qu, L., Peng, X., & Xiao, M. (2003). Photoactivated CdSe Nanocrystals as Nanosensors for Gases. Nano Letters. https://doi.org/10.1021/nl0340935
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