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Luminescence temperature sensing in visible and NIR spectral range using Dy3+ and Nd3+ doped YNbO4

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2018
Contributors
Đačanin Far, Ljubica
Lukić-Petrović, Svetlana R.
Đorđević, V.
Vuković, Katarina
Glais, Estelle
Viana, Bruno
Dramićanin, Miroslav
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Abstract
Dy3+-and Nd3+-doped YNbO4 powders were prepared using a mechanochemical method followed by annealing, and their photoluminescent properties were examined to assess the possibility of their use in phosphor thermometry. Luminescence intensity ratio technique was used as a temperature readout scheme for both YNba(4):Dy3+ and YNbO4:Nd3+ samples. The crystalline structure of the samples is confirmed by XRD measurements, while SEM was used for the microstructural and compositional characterization. Sample doped with Dy3+ ions emitting in the blue region has been investigated in the 293-773 K temperature range and exhibits maximal relative sensitivity of 1.97% K-1 at 300 K. YNbO4:Nd3+ sample showed intense NIR emission which fall into the first biological window. When heated from 303 up to 473 K relative temperature sensitivity of 0.28%K-1 at 300 K was achieved. Values of temperature sensitivities show that YNbO4 has a large potential for the development of thermographic phosphors in the blue... and NIR spectral ranges when doped with trivalent Dy and Nd, respectively. (C) 2017 Elsevier B.V. All rights reserved.

Keywords:
Yttrium niobate / Luminescence thermometry / Dy3+ / Nd3+
Source:
Sensors and Actuators A-Physical, 2018, 270, 89-96
Projects:
  • Physics of amorphous and nanostructural materials (RS-171022)
  • Materials of Reduced Dimensions for Efficient Light Harvesting and Energy conversion (RS-45020)

DOI: 10.1016/j.sna.2017.12.044

WoS: 000424853000012

Scopus: 2-s2.0-85039721545
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URI
http://vinar.vin.bg.ac.rs/handle/123456789/7587
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Vinča

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