23 February 2018 Persistent luminescence of transition metal (Co, Ni...)-doped ZnGa2O4 phosphors for applications in the near-infrared range
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Proceedings Volume 10533, Oxide-based Materials and Devices IX; 1053321 (2018) https://doi.org/10.1117/12.2294986
Event: SPIE OPTO, 2018, San Francisco, California, United States
Abstract
Persistent luminescence materials present many applications including security lighting and bio-imaging. Many progresses have been made in the elaboration of persistent luminescent nanoparticles suitable for the first NIR partial transparency window (650 - 950 nm). Moving to the second and third near-infrared partial transparency windows (1000 nm - 1800 nm) allows further reducing of scattering, absorption and tissue autofluorescence effects. In this work, we present the synthesis of Co2+ and Ni2+ doped zinc-gallate nanoparticles with broad emission covering the NIR-II range. Site occupancy, energy levels, optical features and persistent phenomena are presented.
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Morgane Pellerin, Victor Castaing, Didier Gourier, Corinne Chanéac, Bruno Viana, "Persistent luminescence of transition metal (Co, Ni...)-doped ZnGa2O4 phosphors for applications in the near-infrared range", Proc. SPIE 10533, Oxide-based Materials and Devices IX, 1053321 (23 February 2018); doi: 10.1117/12.2294986; https://doi.org/10.1117/12.2294986
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