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Article Dans Une Revue Applied physics. A, Materials science & processing Année : 2019

Development of silicon nitride-based nanocomposites with multicolour photoluminescence

Résumé

Silicon-rich nitride nanocomposites with stable multicolour photoluminescence (PL) are developed in this work. Firstly, a single PL band can be adjusted in the visible spectral range. Secondly, simultaneous emission of an additional PL band is achieved due to boron-doping of the nanocomposites. Impact of thermal annealing of the silicon nitride films in different atmospheres at various temperatures on their PL spectra is studied. Processes responsible for multicolour emission in the boron-doped nanocomposites are discussed. The developed nanocomposites can be further applied for nanothermometry or biosensing applications. They can be also used for synthesis of silicon nanoparticles with multicolour PL. Graphic abstract Intense violet-based multicolour photoluminescence of silicon nitride nanocomposite with tunableemission position is achieved.
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Dates et versions

hal-02270073 , version 1 (23-08-2019)

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Yury Ryabchikov, Anatolii Lukianov, Bohdan Oliinyk, Tetyana Nychyporouk, Vladimir Lysenko. Development of silicon nitride-based nanocomposites with multicolour photoluminescence. Applied physics. A, Materials science & processing, 2019, 125 (9), pp.630. ⟨10.1007/s00339-019-2915-z⟩. ⟨hal-02270073⟩
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