Porous SiO2 nanoparticles containing ruthenium or sulfur compounds: Sonochemical producing and sonoluminescence in aqueous suspensions

Шарипов, Г. Л.; Abdrakhmanov, A. M.; Gareev, B.M.; Tukhbatullin, A. A.

doi:10.1016/j.ultsonch.2019.104842

Cited by 16 publications

(15 citation statements)

References 23 publications

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“…[188] Along with the increase of tetraethyl orthosilicate in volume, the composites had a controlled SiO 2 layer encapsulating crystalline Fe 3 O 4 distribution. In order to validate the mechanism of sonoluminescence in SiO 2 suspensions, Sharipov et al produced porous SiO 2 nanoparticles containing Ru 3 (CO) 12 with a size range of 10-30 nm and an average pore size of 5.8 nm via ultrasonic dispersing, [189] ahead of which the pores on the precursor micro-mesoporous silica powder (the particle size of 100-300 μm, and the average pore size of 5.8 nm) were saturated with ruthenium dodecacarbonyl by the solvent evaporation. In some studies, metal compound-based SiO 2 composites have been developed to form the nanocatalysts.…”

Section: Metal Compounds/non-metal Materialsmentioning

confidence: 99%

Sonochemical catalysis as a unique strategy for the fabrication of nano-/micro-structured inorganics

Dong

Zhang

et al. 2021

Nanoscale Adv.

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Section: Metal Compounds/non-metal Materialsmentioning

confidence: 99%

Sonochemical catalysis as a unique strategy for the fabrication of nano-/micro-structured inorganics

Dong

Zhang

et al. 2021

Nanoscale Adv.

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“…This leads to the characteristic luminescence of emitters that directly form nanoparticles (Ag) 27 or are contained in SiO 2 nanoparticles (Ru, S). 28 At the same time, the emitter fixation in nanoparticles contributes to the fact that the content of these emitters determined by the SL spectrum analytical lines in suspensions can be lower than when determined by the SL spectrum in the initial mother liquor, from which the nanoparticles are obtained (each nanoparticle of 10-20 nm can contain thousands of potential emitters, either atoms or molecules). Therefore, m-SBSL of colloidal suspensions is more sensitive than the previously used multibubble sonoluminescence in solutions, and we can define it as a new technique for sonoluminescent spectroscopic analysis.…”

Section: Introductionmentioning

confidence: 99%

Single-Bubble Sonoluminescence of Colloidal Suspensions as a New Technique for Sonoluminescent Spectroscopic Analysis

2022

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A brief research review is done on the new method development for the element luminescent determination, namely, sonoluminescent spectroscopy. The advantages and disadvantages of the technique of multibubble sonoluminescence (MBSL) in solutions used to apply this method are discussed. It has been shown that the use of a new technique moving single-bubble sonoluminescence (m-SBSL) in colloidal suspensions of nanoparticles (less than 50 nm) containing the elements analyzed seems preferable for this purpose. This makes it possible to determine elements not only at lower concentrations than when using MBSL in solutions, but also to find elements that are unavailable for determination through previous technique. Thus, the new technique expands the range of elements determined by sonoluminescent spectroscopy. The article provides a detailed description of the standard procedure for the preparation and recording of m-SBSL in colloidal suspensions, as well as examples of characteristic spectra of some elements obtained and recorded for the first time according to this new technique (Al, K, Mn, Cd, Pt, Ni, Ti), including those not previously found using the MBSL in solutions (Al, Cd, Pt, Ni, Ti). By the example of the analytical line at 396 nm in the Al spectrum obtained through the new technique on the basis of the AlCl3 initial aqueous solution, the region of the linear dependence of the intensity on the AlCl3 concentration was registered, and the lower limit of the spectroscopic determination of the Al content in this solution was estimated as 8.3·10–3 mol/L. Using the analysis of the obtained Cd spectrum as an example, we carried out a spectroscopic measurement of the electronic temperature achieved at m-SBSL in bubble plasma at the moments of the greatest compression of a bubble with light emission during its acoustic oscillations in dodecane Te = 7900 ± 500 K.

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“…Несомненно, что все эти случаи СЛ пригодны для люминесцентного определения соответствующих соединений, но пока данный метод наиболее развит для анализа элементов -металлов, атомарные спектры которых до недавнего времени получали лишь с помощью техники многопузырьковой сонолюминесценции (МПСЛ) в растворах [1,2]. Однако показано, что лучшие результаты в получении характеристических спектров дает техника однопузырьковой сонолюминесценции в режиме движения (ОПСЛ-РД) в растворах [8], а также, как установлено позднее, техника ОПСЛ-РД в коллоидных суспензиях (ОПСЛ-РД КС), где определяемые элементы попадают в пузырьковую плазму в составе наночастиц [9]. Применение этой техники позволяет получать спектры при более низких концентрациях определяемых элементов, чем при МПСЛ, и спектры элементов, не регистрируемых при МПСЛ.…”

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Атомарная Однопузырьковая Сонолюминесценция Иттербия В Коллоидной Суспензии

Гареев¹,

Абдрахманов²,

Шарипов³

2022

Письма В Журнал Технической Физики

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For the first time, atomic single-bubble sonoluminescence of Yb in a colloidal suspension in dodecane of SiO2 nanoparticles containing YbCl3 was recorded. A spectrum was obtained containing Yb, Yb+ lines in the region of 300-550 nm, together with SiO lines, due to the entry of nanoparticles into the bubble during sonolysis of the suspension. The lower limit of determination of ytterbium in the initial aqueous solution of YbCl3 used for depositing onto nanoparticles, according to the intensity of the analytical line at 399 nm in this spectrum, is 3∙10–3 mol/l. By comparing the experimental and temperature-dependent calculated spectra of ytterbium, we found the electron temperature in the nonequilibrium plasma that arises during bubble collapse, where Yb atoms emit light: Te = 7000±500 K.

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Porous SiO2 nanoparticles containing ruthenium or sulfur compounds: Sonochemical producing and sonoluminescence in aqueous suspensions

Cited by 16 publications

References 23 publications

Sonochemical catalysis as a unique strategy for the fabrication of nano-/micro-structured inorganics

Sonochemical catalysis as a unique strategy for the fabrication of nano-/micro-structured inorganics

Single-Bubble Sonoluminescence of Colloidal Suspensions as a New Technique for Sonoluminescent Spectroscopic Analysis

Атомарная Однопузырьковая Сонолюминесценция Иттербия В Коллоидной Суспензии

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