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Metal cluster’s effect on the optical properties of cesium bromide thin films
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Cesium bromide (CsBr) films grown on glass substrates by thermal evaporation showed prominent absorption peaks in the UV-visible region. Interestingly, these absorption spectra showed peaks which red shifted over time in ambient exposure. Structural and morphological studies suggested decrease in particle size overtime which was unusual. Electron micrographs show the formation of “daughter” cesium nanorods from parent CsBr particles. Theoretical calculations show the optical behavior observed to be due to localized surface plasmon resonance resulting from cesium nanorods.
Title: Metal cluster’s effect on the optical properties of cesium bromide thin films
Description:
Cesium bromide (CsBr) films grown on glass substrates by thermal evaporation showed prominent absorption peaks in the UV-visible region.
Interestingly, these absorption spectra showed peaks which red shifted over time in ambient exposure.
Structural and morphological studies suggested decrease in particle size overtime which was unusual.
Electron micrographs show the formation of “daughter” cesium nanorods from parent CsBr particles.
Theoretical calculations show the optical behavior observed to be due to localized surface plasmon resonance resulting from cesium nanorods.
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