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R. R. Shamilov
Kazan National Research Technological University, Kazan, Russian Federation

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Full articles
Published: 01 September 2020 in Bulletin of the Academy of Sciences of the USSR Division of Chemical Science
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Optical and magnetic properties of CdS quantum dots (QDs) doped with europium(II) and gadolinium(III) ions were studied. l-Cysteine stabilized nanoparticles were synthesized by the colloidal method in aqueous media. The QDs obtained have a hexagonal crystal lattice. The nanoparticle size varies from 3 to 14 nm. The EPR spectra of nanoparticles prepared in different conditions were measured and analyzed. Dependences of the optical properties of nanoparticles on the reaction time and pH values were studied. The dependence of the luminescence properties of CdS QDs on the dopant ion type was established. It was shown that the increase in the reaction time and medium pH values favors a bathochromic shift of maxima in the luminescence spectra of nanoparticles.

ACS Style

D. O. Sagdeev; R. R. Shamilov; V. K. Voronkova; A. A. Sukhanov; Yu. G. Galyametdinov. Lanthanide-doped CdS quantum dots: luminescence and paramagnetic properties. Bulletin of the Academy of Sciences of the USSR Division of Chemical Science 2020, 69, 1749 -1754.

AMA Style

D. O. Sagdeev, R. R. Shamilov, V. K. Voronkova, A. A. Sukhanov, Yu. G. Galyametdinov. Lanthanide-doped CdS quantum dots: luminescence and paramagnetic properties. Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 2020; 69 (9):1749-1754.

Chicago/Turabian Style

D. O. Sagdeev; R. R. Shamilov; V. K. Voronkova; A. A. Sukhanov; Yu. G. Galyametdinov. 2020. "Lanthanide-doped CdS quantum dots: luminescence and paramagnetic properties." Bulletin of the Academy of Sciences of the USSR Division of Chemical Science 69, no. 9: 1749-1754.

Journal article
Published: 19 October 2019 in Photonics
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Synthesis of nanoparticles doped with various ions can significantly expand their functionality. The conditions of synthesis exert significant influence on the distribution nature of doped ions and therefore the physicochemical properties of nanoparticles. In this paper, a correlation between the conditions of synthesis of manganese-containing cadmium sulfide or zinc sulfide nanoparticles and their optical and magnetic properties is analyzed. Electron paramagnetic resonance was used to study the distribution of manganese ions in nanoparticles and the intensity of interaction between them depending on the conditions of synthesis of nanoparticles, the concentration of manganese, and the type of initial semiconductor. The increase of manganese concentration is shown to result in the formation of smaller CdS-based nanoparticles. Luminescent properties of nanoparticles were studied. The 580 nm peak, which is typical for manganese ions, becomes more distinguished with the increase of their concentration and the time of synthesis.

ACS Style

Yuriy G. Galyametdinov; Dmitriy O. Sagdeev; Andrey A. Sukhanov; Violeta K. Voronkova; Radik R. Shamilov. Monitoring of the Mechanism of Mn Ions Incorporation into Quantum Dots by Optical and EPR Spectroscopy †. Photonics 2019, 6, 107 .

AMA Style

Yuriy G. Galyametdinov, Dmitriy O. Sagdeev, Andrey A. Sukhanov, Violeta K. Voronkova, Radik R. Shamilov. Monitoring of the Mechanism of Mn Ions Incorporation into Quantum Dots by Optical and EPR Spectroscopy †. Photonics. 2019; 6 (4):107.

Chicago/Turabian Style

Yuriy G. Galyametdinov; Dmitriy O. Sagdeev; Andrey A. Sukhanov; Violeta K. Voronkova; Radik R. Shamilov. 2019. "Monitoring of the Mechanism of Mn Ions Incorporation into Quantum Dots by Optical and EPR Spectroscopy †." Photonics 6, no. 4: 107.

Accepted manuscript
Published: 28 June 2018 in Materials Research Express
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Paramagnetic Mn:CdS nanoparticles were synthesized by a colloidal method in a nonpolar solvent. The temperature and duration of synthesis were varied. The sizes of synthesized nanoparticles were determined by X-ray diffraction and dynamic light scattering in a crystal state and in an organic solvent. It was studied how optical (electronic absorption and luminescence spectra) and magnetic properties of synthesized compounds change with the reaction conditions. Longer synthesis intensifies migration of manganese ions from the bulk phase of nanoparticles to their surface. This effect is confirmed by changes in electron paramagnetic resonance spectra which characterize the ratio between different types of manganese ions and the shift of luminescence peaks to a shorter wave range.

ACS Style

Yuriy Galyametdinov; Dmitriy O. Sagdeev; Violeta Voronkova; Andrei Sukhanov; Radik Shamilov. The dependence of paramagnetic and optical characteristics of Mn:CdS nanoparticles on high-temperature synthesis conditions. Materials Research Express 2018, 5, 075009 .

AMA Style

Yuriy Galyametdinov, Dmitriy O. Sagdeev, Violeta Voronkova, Andrei Sukhanov, Radik Shamilov. The dependence of paramagnetic and optical characteristics of Mn:CdS nanoparticles on high-temperature synthesis conditions. Materials Research Express. 2018; 5 (7):075009.

Chicago/Turabian Style

Yuriy Galyametdinov; Dmitriy O. Sagdeev; Violeta Voronkova; Andrei Sukhanov; Radik Shamilov. 2018. "The dependence of paramagnetic and optical characteristics of Mn:CdS nanoparticles on high-temperature synthesis conditions." Materials Research Express 5, no. 7: 075009.

Letters to the editor
Published: 01 January 2018 in Russian Chemical Bulletin
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ACS Style

Yuriy Galyametdinov; D. O. Sagdeev; V. K. Voronkova; A. A. Sukhanov; R. R. Shamilov. Paramagnetic Mn:CdS/ZnS quantum dots: synthesis, luminescence, and magnetic properties. Russian Chemical Bulletin 2018, 67, 172 -175.

AMA Style

Yuriy Galyametdinov, D. O. Sagdeev, V. K. Voronkova, A. A. Sukhanov, R. R. Shamilov. Paramagnetic Mn:CdS/ZnS quantum dots: synthesis, luminescence, and magnetic properties. Russian Chemical Bulletin. 2018; 67 (1):172-175.

Chicago/Turabian Style

Yuriy Galyametdinov; D. O. Sagdeev; V. K. Voronkova; A. A. Sukhanov; R. R. Shamilov. 2018. "Paramagnetic Mn:CdS/ZnS quantum dots: synthesis, luminescence, and magnetic properties." Russian Chemical Bulletin 67, no. 1: 172-175.

Journal article
Published: 15 November 2016 in Technical Physics
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ACS Style

R. R. Shamilov; V. I. Nuzhdin; V. F. Valeev; Yu. G. Galyametdinov; A. L. Stepanov. Enhancement of photoluminescence of the CdSe/CdS quantum dots on quartz substrates in the presence of silver nanoparticles. Technical Physics 2016, 61, 1698 -1703.

AMA Style

R. R. Shamilov, V. I. Nuzhdin, V. F. Valeev, Yu. G. Galyametdinov, A. L. Stepanov. Enhancement of photoluminescence of the CdSe/CdS quantum dots on quartz substrates in the presence of silver nanoparticles. Technical Physics. 2016; 61 (11):1698-1703.

Chicago/Turabian Style

R. R. Shamilov; V. I. Nuzhdin; V. F. Valeev; Yu. G. Galyametdinov; A. L. Stepanov. 2016. "Enhancement of photoluminescence of the CdSe/CdS quantum dots on quartz substrates in the presence of silver nanoparticles." Technical Physics 61, no. 11: 1698-1703.

Journal article
Published: 01 November 2016 in Technical Physics Letters
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ACS Style

Yu. G. Galyametdinov; R. R. Shamilov; V. I. Nuzhdin; V. F. Valeev; A. L. Stepanov. Luminescence of CdSe quantum dots near a layer of silver nanoparticles ion-synthesized in sapphire. Technical Physics Letters 2016, 42, 1067 -1070.

AMA Style

Yu. G. Galyametdinov, R. R. Shamilov, V. I. Nuzhdin, V. F. Valeev, A. L. Stepanov. Luminescence of CdSe quantum dots near a layer of silver nanoparticles ion-synthesized in sapphire. Technical Physics Letters. 2016; 42 (11):1067-1070.

Chicago/Turabian Style

Yu. G. Galyametdinov; R. R. Shamilov; V. I. Nuzhdin; V. F. Valeev; A. L. Stepanov. 2016. "Luminescence of CdSe quantum dots near a layer of silver nanoparticles ion-synthesized in sapphire." Technical Physics Letters 42, no. 11: 1067-1070.

Letters to the editor
Published: 01 November 2016 in Russian Chemical Bulletin
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ACS Style

Yu. G. Galyametdinov; R. R. Shamilov; A. L. Stepanov. Plasmon-enhanced luminescence of CdSe quantum dots on the porous silicon with silver nanoparticles. Russian Chemical Bulletin 2016, 65, 2773 -2775.

AMA Style

Yu. G. Galyametdinov, R. R. Shamilov, A. L. Stepanov. Plasmon-enhanced luminescence of CdSe quantum dots on the porous silicon with silver nanoparticles. Russian Chemical Bulletin. 2016; 65 (11):2773-2775.

Chicago/Turabian Style

Yu. G. Galyametdinov; R. R. Shamilov; A. L. Stepanov. 2016. "Plasmon-enhanced luminescence of CdSe quantum dots on the porous silicon with silver nanoparticles." Russian Chemical Bulletin 65, no. 11: 2773-2775.

Journal article
Published: 16 November 2015 in Journal of Applied Spectroscopy
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Photoluminescence of the composite layers of poly(N-vinylcarbazole) with CdSe/CdS core/shell quantum dots deposited on quartz glass with ion-synthesized silver nanoparticles was studied. The nanoparticles included in the quartz glass showed local surface plasmon resonance. Excitation of the composite luminescence in the spectral region of the plasmon resonance absorption resulted in an increase of the emission intensity of the polymer and quantum dots located in the near field of the silver nanoparticles. It was shown that luminescence enhancement of poly(N-vinylcarbazole) and the quantum dots occurs under excitation at different wavelengths specific to each component of the composite material.

ACS Style

R. R. Shamilov; V. I. Nuzhdin; V. F. Valeev; Yuriy Galyametdinov; Andrey Stepanov. Photoluminescence of Composite Films of Poly(N-Vinylcarbazole) with CdSe/CdS Core/Shell Quantum Dots Located Near the Layer of Silver Nanoparticles on a Dielectric Material. Journal of Applied Spectroscopy 2015, 82, 773 -778.

AMA Style

R. R. Shamilov, V. I. Nuzhdin, V. F. Valeev, Yuriy Galyametdinov, Andrey Stepanov. Photoluminescence of Composite Films of Poly(N-Vinylcarbazole) with CdSe/CdS Core/Shell Quantum Dots Located Near the Layer of Silver Nanoparticles on a Dielectric Material. Journal of Applied Spectroscopy. 2015; 82 (5):773-778.

Chicago/Turabian Style

R. R. Shamilov; V. I. Nuzhdin; V. F. Valeev; Yuriy Galyametdinov; Andrey Stepanov. 2015. "Photoluminescence of Composite Films of Poly(N-Vinylcarbazole) with CdSe/CdS Core/Shell Quantum Dots Located Near the Layer of Silver Nanoparticles on a Dielectric Material." Journal of Applied Spectroscopy 82, no. 5: 773-778.