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- W4308214097 abstract "The procedure of the samples preparation, morphology and luminescence properties of composites those consist of cellulose matrix and praseodymium-doped potassium bismuth molybdate micro- and nanoparticles as a filler are reported. The optical and scanning electron microscopy has shown the homogeneity of the samples in the scale above 100 <tex xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>$mumathrm{m}$</tex> . The size distribution of oxide particles is found to be in a range from <tex xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>$sim 100$</tex> nm up to 3 <tex xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>$mu mathrm{m}$</tex> . Chemical element analysis indicates uniform distribution of oxide and polymer components over the studied area. The samples reveal intensive photoluminescence of <tex xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>$text{Pr}^{3+}$</tex> ions if composite excitation is at 448 nm and cellulose-related luminescence under excitation at shorter wavelength −405 nm. The study of influence of temperature on luminescence characteristics of composites in the temperature range 18 - <tex xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>$75 ^{circ}mathrm{C}$</tex> shows that intensity of <tex xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>$text{Pr}^{3+}text{-}$</tex> related luminescence decreases on about 40 %, while cellulose-related photoluminescence decreases on about 20%. The composites under study are prospective materials for elaboration of luminescent light emitting diodes covers." @default.
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- W4308214097 date "2022-10-10" @default.
- W4308214097 modified "2023-09-27" @default.
- W4308214097 title "Morphology and Luminescence Properties of Cellulose+KBi<sub>0.99</sub>Pr<sub>0.01</sub> (MoO<sub>4</sub>)<sub>2</sub> Composites" @default.
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- W4308214097 doi "https://doi.org/10.1109/elnano54667.2022.9927089" @default.
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