Liquid‐Phase Synthesis of Hydrophilic Luminescent Carbon Dots Using Porous Silica as a Nanotemplate

Autor: Hicham El Hamzaoui, Oksana Isaieva, Mohamed Bouazaoui, Alexei Nazarov, S. V. Sevostianov, Galyna Rudko, Valentyn Tertykh, A.V. Vasin, Sergii Starik, Bruno Capoen, Dmytro Kysil

Publikováno v: physica status solidi (a)
physica status solidi (a), Wiley, 2021, pp.2000817. ⟨10.1002/pssa.202000817⟩
physica status solidi (a), 2021, pp.2000817. ⟨10.1002/pssa.202000817⟩

International audience

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5d0b9d33e96098d6c1938011c75ff918
https://hal.archives-ouvertes.fr/hal-03224369

The Effect of Incorporation of Hydrocarbon Groups on Visible Photoluminescence of Thermally Treated Fumed Silica

Autor: Yulia Bolbukh, Igor Verovsky, A. V. Vasin, Dmytriy Kisel, Alexei Nazarov, Yevgeniy Gule, Galyna Rudko, Sergii Starik, V. S. Lysenko, Valentyn Tyortykh, Yurii Piryatinsky

Publikováno v: Journal of Nano Research. 39:80-88

Methyl, methoxy and alcoxy groups with different number of carbon atoms were chemically grafted onto the surface of fumed silica nanoparticles. After chemical modification the nanopowders were annealed in vacuum at 700 °C. The effect of the amount o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e8ca6929d230fa603dd8553aad578412
https://doi.org/10.4028/www.scientific.net/jnanor.39.80

Evolution from UV emission of phenyl groups to visible emission of pyrolytic nanocarbons dispersed in fumed silica: Alternative insight into photoluminescence of carbon nanodots

Autor: Valentyn Tertykh, Roman Yatskiv, G. Yu. Rudko, V. S. Lysenko, Shunsuke Muto, Y. Ishikawa, Alexei Nazarov, Sergii Starik, Oksana Isaieva, Dmytro Kysil, A.V. Vasin, S. V. Sevostianov

Publikováno v: Journal of Luminescence. 219:116926

SiO2:C nanopowder, luminescent in ultraviolet and visible spectral ranges, was synthesised using fumed silica as morphological matrix (specific surface of 295 m2/g) and phenyltrimethoxysilane (PhTMS) as carbon precursor. Fumed silica was impregnated

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::beae1a3704d642a267602021a2908392
https://doi.org/10.1016/j.jlumin.2019.116926

Effect of Hydration Procedure of Fumed Silica Precursor on the Formation of Luminescent Carbon Centers in SiO 2 :C Nanocomposites

Autor: Yuri P. Piryatinski, Dmytro Kysil, Valentyn Tertykh, Lavinia Vaccaro, V.S. Lysenko, S. V. Sevostianov, Marco Cannas, Galyna Rudko, Sergii Starik, Oksana Isaieva, Dmytro Virnyi, Alexei Nazarov, A.V. Vasin

Publikováno v: physica status solidi (a). 216:1800560

The effect of hydration procedure of fumed silica precursor on photoluminescent properties of carbonized silica (SiO2:C) nanocomposite after chemo/thermal treatments is studied. Main structural effect is the formation of chemical bonding of phenyl gr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b64be4cd56db017e3e4f0ad009a647e6
https://doi.org/10.1002/pssa.201800560

Excitation effects and luminescence stability in porous SiO2:C layers

Autor: Ivan Blonsky, Jarno Salonen, Yurii Piryatinski, A.V. Rusavsky, A. V. Vasin, Alexei Nazarov, Sergii Starik, Vladimir Lysenko, Ermei Mäkilä, Galyna Rudko

Publikováno v: Physica Status Solidi (A). 29(6):115-121

White-light emitting porous SiO2:C layers on silicon wafers have been fabricated by oxidation of carbonized porous silicon. The study was focused mainly on the identification of the mechanism of light emission and photo-induced degradation. The effec

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::befc3e3405305bd19d121be434061341
https://doi.org/10.1002/pssa.201100815