Correlation between room temperature luminescence and energy-transfer in Er-Au co-implanted silica. Cesca, T., Kalinic, B., Maurizio, C., Scian, C., Trave, E., Battaglin, G., Mazzoldi, P., & Mattei, G. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH. SECTION B, BEAM INTERACTIONS WITH MATERIALS AND ATOMS, 362:68–71, Elsevier, 2015. doi abstract bibtex We report on the room temperature photoluminescence characterization in the visible and near-infrared range of Er-Au co-implanted silica systems as a function of the annealing temperature. Besides the characteristic Er3+ emission at 1540 nm, the samples exhibit luminescence bands in the wavelength region 600-1400 nm related to the formation of ultra-small AuN aggregates with a number of atoms N less than 50 atoms. In particular, the correlation between such AuN-related luminescence and the enhancement of the Er3+ emission was investigated and an anti-correlation between the Er3+ luminescence at 1540 nm and an AuN-related band at 980 nm was revealed that represents a possible path for the energy-transfer from AuN nanoclusters to Er3+ ions, giving rise to the Er3+ sensitized emission.
@article{
11577_3169269,
author = {Cesca, Tiziana and Kalinic, Boris and Maurizio, Chiara and Scian, Carlo and Trave, E. and Battaglin, G. and Mazzoldi, Paolo and Mattei, Giovanni},
title = {Correlation between room temperature luminescence and energy-transfer in Er-Au co-implanted silica},
year = {2015},
publisher = {Elsevier},
journal = {NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH. SECTION B, BEAM INTERACTIONS WITH MATERIALS AND ATOMS},
volume = {362},
abstract = {We report on the room temperature photoluminescence characterization in the visible and near-infrared range of Er-Au co-implanted silica systems as a function of the annealing temperature. Besides the characteristic Er3+ emission at 1540 nm, the samples exhibit luminescence bands in the wavelength region 600-1400 nm related to the formation of ultra-small AuN aggregates with a number of atoms N less than 50 atoms. In particular, the correlation between such AuN-related luminescence and the enhancement of the Er3+ emission was investigated and an anti-correlation between the Er3+ luminescence at 1540 nm and an AuN-related band at 980 nm was revealed that represents a possible path for the energy-transfer from AuN nanoclusters to Er3+ ions, giving rise to the Er3+ sensitized emission.},
keywords = {Energy-transfer; Luminescence; Metal nanoclusters; Sequential ion implantation; Instrumentation; Nuclear and High Energy Physics},
doi = {10.1016/j.nimb.2015.09.040},
pages = {68--71}
}
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