Artificial Luminescence from the Coral Surface: Study of a SrAl2O4:Eu2+, Dy3+-Based Phosphor

Artificial Luminescence from the Coral Surface: Study of a SrAl2O4:Eu2+, Dy3+-Based Phosphor

An artificial block of concrete and sand was made, coated with a SrAl 2 O 4 :Eu 2+ , Dy 3+ -based phosphor, and a new direction in the study and application of persistent phosphors was proposed. For the first time underwater luminescence on the coral surface was experimentally studied in real sea co...

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Veröffentlicht in:Surface investigation, x-ray, synchrotron and neutron techniques x-ray, synchrotron and neutron techniques, 2021-09, Vol.15 (5), p.1102-1108
1. Verfasser: Nazarov, M.
Format: Artikel
Sprache:eng
Schlagworte:
Artificial reefs
Chemistry and Materials Science
Concrete blocks
Europium
Luminescence
Materials Science
Phosphors
Surfaces and Interfaces
Thin Films
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Zusammenfassung:An artificial block of concrete and sand was made, coated with a SrAl 2 O 4 :Eu 2+ , Dy 3+ -based phosphor, and a new direction in the study and application of persistent phosphors was proposed. For the first time underwater luminescence on the coral surface was experimentally studied in real sea conditions. A bright, long-lasting blue-green afterglow was registered from a depth of 5 m. Fishes were attracted to the light of this artificial reef.
ISSN:1027-4510
1819-7094
DOI:10.1134/S1027451021050360