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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Глушков А. А., Слюсарева, Евгения Алексеевна, Ципотан, Алексей Сергеевич, Слабко, Виталий Васильевич, Александровский, Александр Сергеевич
Заглавие : Влияние многоуровнего характера спектра полупроводниковых наночастиц на энергию их взаимодействия в квазирезонансном электромагнитном поле
Место публикации : В мире науч. открытий. - Красноярск: Научно-инновационный центр, 2015. - № 12.1 (72). - С. 356-368. - ISSN 2072-0831. - ISSN 2307-9428
Примечания : Библиогр.: 20
Ключевые слова (''Своб.индексиров.''): диполь-дипольное взаимодействие--наночастицы и наноструктуры--взаимодействие лазерного излучения с веществом--дисперсионные соотношения--dipole-dipole interaction--nanoparticles and nanostructures--interaction of laser radiation with matter--dispersion relations
Аннотация: Произведен расчет энергетических спектров взаимодействия пары наночастиц CdSe в квазирезонансном электромагнитном поле, для случаев одинаковых частиц и частиц с отличающимися длинами волн переходов, использовано диполь-дипольное приближение. Показано, что учет дополнительных переходов значительно увеличивает величину энергии взаимодействия для потенциальной ямы, лежащей в длинноволновой области спектра. На примере двух частиц с ограниченным числом резонансов исследовано влияние разности резонансных длин волн на глубину и положение потенциальной ямы.Spectral dependences of interaction energy of multilevel semiconductor quantum dots are calculated in dipole-dipole approximation for a pair of CdSe quantum dots in a quasi-resonant laser field, for cases of two identical quantum dots and those with differing transition wavelengths. Interaction energy of pair of multilevel quantum dots in the long-wavelength potential well is much higher than that of pair of two-level quantum dots.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Tsipotan A. S. , Slabko V. V., Aleksandrovsky A. S., Gerasimova M. A.
Заглавие : Wavelength-controlled manipulation of colloidal quasi-resonant quantum dots under pulsed laser irradiation
Коллективы : Photonics Asia
Место публикации : Photonics Asia: Asia’s premier event on nanophotonics, biomedicine, lasers,optical design, plasmonics, sensors, optoelectronics infrared/terahertz, and more : advance technical program. - 2016. - Ст.10027-35. - P.39
Аннотация: Electrodynamical interaction between excited NPs is rather universal and allows formation of wide variety of nanostructures both of homo- and heterogeneous content. Experimental results are obtained for CdTe QDs with the excitonic resonance at 520 nm. Six different samples of the same colloid solution were irradiated at wavelengths from 540 to 570 nm. Modifications of absorption spectra of solutions after irradiation was detected, being most prominent at 555 and 560 nm irradiation wavelengths. Analysis of spectra shows that up to 47% of QDs were assembled into pairs. Therefore, possibility of precise QDs manipulation via laser-induced electrodynamical interaction is demonstrated.
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Вид документа : Статья из сборника (выпуск продолж. издания)
Шифр издания :
Автор(ы) : Tsipotan A. S., Aleksandrovsky A. S., Slabko V. V.
Заглавие : Wavelength-controlled manipulation of colloidal quasi-resonant quantum dots under pulsed laser irradiation
Коллективы : Nanophotonics and Micro/Nano Optics
Место публикации : Proc. SPIE: SPIE, 2016. - Vol. 10027: Nanophotonics and Micro/Nano Optics III. - Ст.1002711. - , DOI 10.1117/12.2245386
Примечания : Cited References: 11. - The reported study was funded by RFBR and Government of Krasnoyarsk Territory according to the research project № 16-42-240410 and particularly supported by the Ministry of Education and Science of the Russian Federation (No. 3.1749.2014/K, 214/71 for Siberian Federal University); by RFBR research project No. 14-02-00219 A, 16-32-00129; by SB RAS Program №II.2P № 0358-2015-0012.
Ключевые слова (''Своб.индексиров.''): self-assembly--nanostructures--quantum dots--absorption spectra--dipole-dipole interaction--laser control
Аннотация: Production of nanostructures consisting of semiconductor nanoparticles (NPs) is of interest for number of applications. Development of new methods of NPs' manipulation and aggregation of NPs into nanostructures with pre-defined geometry is also of considerable interest from the fundamental point of view. Under laser irradiation with properly chosen wavelengths excitonic excitations of semiconductor NPs will be induced. Electrodynamical interaction between excited NPs is rather universal and allows formation of wide variety of nanostructures both of homo- and heterogeneous content. Theoretical approach for study of interaction of NPs' ensembles with laser light includes dipole-dipole approximation for NPs' attraction. Experimental results are obtained for TGA stabilized CdTe QDs with the excitonic resonance at 520 nm. Six different samples of the same colloid solution were irradiated at wavelengths from 540 to 570 nm. Modifications of absorption spectra of solutions after irradiation was detected, being most prominent at 555 and 560 nm irradiation wavelengths. Analysis of spectra shows that up to 47% of QDs were assembled into pairs with 10 nm inter-QD distance. Therefore, possibility of precise QDs manipulation via laser-induced electrodynamical interaction is demonstrated.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Tkachenko V. A., Tsipotan A. S., Slabko V. V., Aleksandrovsky A. S.
Заглавие : Three-dimensional model of quantum dots'' self-assembly under the action of laser radiation
Место публикации : Комп. оптика: Институт систем обработки изображений РАН, 2017. - Т. 41, № 4. - С.577-580. - ISSN 0134-2452, DOI 10.18287/2412-6179-2017-41-4-577-580
Примечания : Библиогр.: 14. - The work was funded by the Russian Foundation for Basic Research (RFBR) and Krasnoyarsk Krai administration under research project No. 16-42-240410r_a, RFBR research project No. 16-32-00129 and by the Ministry of Education and Science of the Russian Federation (Grant 3.6341.2017/VU).
Ключевые слова (''Своб.индексиров.''): nanostructure fabrication--plasmonics--optical tweezers or optical manipulation
Аннотация: This study considered a process of quantum dots' self-assembly into nanostructure arrays with predefined geometry, which proceeds in the external resonant laser field. We considered the simplest case of assembling a stable structure of two particles. The problem was solved numerically using a three-dimensional model of Brownian dynamics. The idea of the method is that the attraction of the dots occurs due to the interaction of resonantly induced dipole moments, with the dots being then captured by the Van der Waals force. Finally, a three-dimensional model was considered; the average nanoparticle aggregation time as a function of the laser radiation wavelength was calculated; the probability of such structures' being formed was estimated for the calculated average aggregation time and for the laser pulse duration used in the experiment. The wavelength of the maximum probability was found to be shifted from the single particle resonance wavelength of 525 nm to the red area of 535 nm, which is in qualitative agreement with the redshift of the resonance wavelength of interacting particles.
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Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Tkachenko V. A., Tsipotan A. S., Aleksandrovskiy A. S., Slabko V. V.
Заглавие : Three-dimensional model of quantum dots' self-assembly under the laser field action
Коллективы : "Информационные технологии и нанотехнологии", Международная конференция и молодежная школа, Самарский национальный исследовательский университет им. акад. С.П. Королева, Институт систем обработки изображений РАН
Место публикации : Информационные технологии и нанотехнологии (ИТНТ-2017): сб трудов. - Самара, 2017. - Ст.100-103
Аннотация: This study considers the self-assembly process of quantum dots to nanostructures with the predefined geometry, which proceeds in the external resonant laser field within the three-dimensional model of Brownian dynamics. Average aggregation time of nanoparticles depending on the external field wavelength was calculated. The probability of such structures formation was estimated for the calculated average aggregation time and for the pulse duration of the laser used in the experiment
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Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Tkachenko V. A., Tsipotan A. S., Aleksandrovsky A. S., Slabko V. V.
Заглавие : Thermal influence in the process of self-assembly of quantum dots by quasi-resonant laser radiation
Коллективы : Федеральный исследовательский центр "Красноярский научный центр Сибирского отделения Российской академии наук", Институт физики им. Л.В. Киренского Сибирского отделения РАН, Сибирский федеральный университет, "Енисейская фотоника", Всероссийская научная конференция с международным участием
Место публикации : Енисейская фотоника-2020: тезисы докладов. - Красноярск: ИФ СО РАН, 2020. - P.94. - ISBN 978-5-6042995-8-6 (Шифр В34/Е 63-418308835)
Примечания : Cited References: 3
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Kornienko V. S., Tsipotan A. S., Aleksandrovsky A. S., Slabko V. V.
Заглавие : The possibility of self-assembly of complex nanostructures with pre-defined geometry under the action of laser field
Коллективы : Application of Mathematics in Technical and Natural Sciences: 11th International Conference for Promoting the Application of Mathematics in Technical and Natural Sciences
Место публикации : AIP Conf. Proc. - 2019. - Vol. 2164, Is. 1. - Ст.100004. - ISSN 0094-243X (ISSN), DOI 10.1063/1.5130841. - ISSN 1551-7616 (eISSN). - ISSN 978-0-7354-1909-4 (ISBN)
Примечания : Cited References: 22. - The reported study was funded by Russian Science Foundation (Grant 18-72-00003). V.V. Slabko is grateful for the support from the Ministry of Education and Science of the Russian Federation (Grant 3.6341.2017/VU).
Аннотация: Self-assembly remains one of the simplest and cheapest methods of nanostructuring. And the dependence of the properties of the objects obtained, not only on their composition, but also on the form, brings to the fore the question of developing methods for forming structures of a predetermined form and searching for system parameters in which the formation of a structure becomes possible. This paper is devoted to modeling the process of self-assembly of a multiparticle nanostructure of a predetermined shape in the field of laser radiation.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Yadav A., Yadav N., Agrawal V., Polyutov S. P., Tsipotan A. S., Karpov S. V., Slabko V. V., Yadav V. S., Wu Y. L., Zheng H. Y., RamaKrishna S.
Заглавие : State-of-art plasmonic photonic crystals based on self-assembled nanostructures
Коллективы : Taishan Scholar scheme of Shandong Province, China [20190401]; Ministry of Science and Higher Education of Russian Federation [FSRZ-2020-0008]
Место публикации : J. Mater. Chem. C. - 2021. - Vol. 9, Is. 10. - P.3368-3383. - ISSN 2050-7526, DOI 10.1039/d0tc05254j. - ISSN 2050-7534(eISSN)
Примечания : Cited References: 127. - All the authors acknowledge the respective department for providing facilities and resources. We acknowledge funding support from Taishan Scholar scheme of Shandong Province, China (ts 20190401). SPP and SVK acknowledge support of the Ministry of Science and Higher Education of Russian Federation, project no. FSRZ-2020-0008
Аннотация: Controlled self-assembly of plasmonic photonic nanostructures provides a cost-effective and efficient methodology to expand plasmonic photonic nano-platforms with unique, tunable, and coupled optical characteristics. Keeping advantages and challenges in view, this review highlights contemporary advancements towards the development of self-assembly of a plasmonic photonic nanostructure using a colloidal solution and a self-assembly modeling technique along with exploring novel optical properties and associated prospects. The potential applications of self-assembled plasmonic photonic nano-systems to investigate next-generation optoelectronic devices, the need to reduce and increase scaling up aspects, and improve the performance, are also covered briefly in the review. The need of considerable efforts for the design and development towards establishing novel cost-effective methods to fabricate controlled self-assembled smart nano-plasmonic platforms is also highlighted in this mini-review. Key confronting issues that precisely limit the self-assemblies of photonic nanostructures and desired integration with other device components, mainly including uniformity within miniaturized devices are also discussed. This review will serve as a guideline and platform to plan advanced research in developing self-assembled plasmonic photonic nano-systems to investigate smart functional optical devices.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Slabko V. V., Tsipotan A. S. , Aleksandrovsky A. S.
Заглавие : Self-organised aggregation of a pair of particles with different resonant frequencies and electric dipole moments of transitions, controlled by an external quasi-resonant field
Место публикации : Quantum Electron. . - 2013. - Vol. 43, no. 5. - P.458-462. - DOI 10.1070/QE2013v043n05ABEH015021
Аннотация: The influence of the oscillation phases of the dipole moments induced in metal nanoparticles and quantum dots by an external laser field on their interaction energy is considered. It is shown that a difference in resonant frequencies leads to the formation of additional minima and maxima, which are absent in the spectral dependence of the interaction energy of identical particles at similar orientations of the pair of particles with respect to the plane of polarisation of radiation. These features are due to the fact that the oscillation phase difference of the induced dipole moments of particles reaches values close to π.
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10.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Slabko V. V., Tsipotan A. S., Aleksandrovsky A. S.
Заглавие : Resonant light-controlled self-assembly of ordered nanostructures
Коллективы : International Workshop on Theoretical and Computational Nano-Photonics (4th; 26-28 Oct 2011; Bad Honnef, Germany)
Место публикации : Photonics Nanostruct.: Elsevier Science BV, 2012. - Vol. 10, Is. 4. - P.636-643. - ISSN 1569-4410, DOI 10.1016/j.photonics.2012.06.002
Примечания : Cited References: 15. - This work has been supported by the Ministry of Education and Science of Russian Federation (Contract 16.740.11.0150 and Grant 2.1.1/3455), by RAS Projects 29 and 31, by PSB RAS Project 3.9.5, by SB RAS Projects 43 and 101, and by SFU Grant F12.
Ключевые слова (''Своб.индексиров.''): metal nanoparticles--semiconductor nanoparticles--self-assembly--light-induced processes
Аннотация: The possibility of light-controllable formation of heterogeneous nanostructures containing resonant metallic and semiconductor nanoparticles is considered. Interaction energy between light-induced dipole polarization of nanoparticles at modest light intensity can be much more than the thermal motion energy. The configuration of self-assembled nanostructure can be controlled by the frequency and polarization of the light.
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11.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Slabko V. V., Tsipotan A. S., Aleksandrovsky A. S.
Заглавие : Resonant light-controlled self-assembly of ordered nanostructures
Коллективы : "Laser Optics", International conference (15; 2012 ; June ; 25-29; St. Petersburg), "Оптика лазеров", Международная конференция (15; 2012 ; июнь ; 25-29; Санкт-Петербург)
Место публикации : Laser Optics 2012. - 2012. - Ст.ThR6-50. - P.51
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12.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Slabko V. V., Tsipotan A. S. , Gerasimova M. A., Aleksandrovsky A. S.
Заглавие : Self-organized aggregation simulation of resonant nanoparticles in a laser field
Коллективы : International Conference on Laser Optics
Место публикации : International Conference Laser Optics: IEEE, 2014
Примечания : Cited References:2
Ключевые слова (''Своб.индексиров.''): interaction of laser radiation with matter--dipole-dipole interaction--nanoparticles--nanostructures
Аннотация: Self-organized aggregation of nanoparticles in external resonant laser field is considered using Brownian dynamics model. Formation probabilities are calculated for the pair of particles in dependence on laser wavelength and mutual orientation of particles. Times required for aggregation are calculated. Possibility of efficient aggregation using pulsed laser is deduced.
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13.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Slabko V. V., Tsipotan A. S., Gerasimova M. A., Aleksandrovsky A. S.
Заглавие : Self-organized aggregation simulation of resonant nanoparticles in a laser field
Коллективы : "Оптика лазеров", Международная конференция, "Laser Optics", International conference
Место публикации : 16th International Conference Laser Optics (LO 2014): Proceedings: IEEE Computer Society, 2014. - Ст.ThR6-40. - 6886372. - ISBN 978-1-4799-3884-1, DOI 10.1109/LO.2014.6886372
Примечания : Cited References: 2
Предметные рубрики: Engineering, Electrical & Electronic
Optics
Physics, Applied
Ключевые слова (''Своб.индексиров.''): dipole-dipole interaction--interaction of laser radiation with matter--nanoparticles--nanostructures
Аннотация: Self-organized aggregation of nanoparticles in external resonant laser field is considered using Brownian dynamics model. Formation probabilities are calculated for the pair of particles in dependence on laser wavelength and mutual orientation of particles. Times required for aggregation are calculated. Possibility of efficient aggregation using pulsed laser is deduced. © 2014 IEEE.
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14.

Вид документа : Статья из сборника (выпуск продолж. издания)
Шифр издания :
Автор(ы) : Kornienko V. S., Tkachenko V. A., Tsipotan A. S., Aleksandrovsky A. S., Slabko V. V.
Заглавие : Self-organized aggregation of a triple of resonant nanoparticles into stable structures with various shapes controlled by a laser field
Коллективы : International Conference on Metamaterials and Nanophotonics
Место публикации : J. Phys. Conf. Ser. - 2018. - Vol. 1092. - Ст.012153. - , DOI 10.1088/1742-6596/1092/1/012153
Примечания : Cited References: 5. - The reported study was funded by Russian Foundation for Basic Research, Government of Krasnoyarsk Territory, and Krasnoyarsk Regional Fund of Science to the research project: «Optical binding as a mechanism for self-assembly of stable complex nanostructures from resonant nanoparticles» (project № 18-42-243008). V.V.S. is grateful for the support from Ministry of Education and Science of the Russian Federation (Grant № 3.6341.2017/6.7).
Ключевые слова (''Своб.индексиров.''): laser fields--quasi-resonant--stable structures
Аннотация: The method of formation of nanostructures consisting of three particles in the field of quasiresonant laser radiation is considered. To obtain structures, two approaches were used: a third particle is added to a pre-formed particlespair at a certain angle; the necessary structure is formed from three initially isolated particles. Numerically shown that it is possibleto assemble structures of line and pyramid using both previously mentioned approaches.
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15.

Вид документа : Статья из сборника (выпуск продолж. издания)
Шифр издания :
Автор(ы) : Kornienko V. S., Tsipotan A. S., Aleksandrovsky A. S., Slabko V. V.
Заглавие : Self-organized aggregation of a triple of colloidal quantum dots into stable structures with various shapes controlled by a laser field
Коллективы : International Conference on Nanomaterials - Research and Application
Место публикации : 10th Anniversary Int. Conf. on Nanomaterials - Res. and Appl. (NANOCON 2018): conf. proc. - 2019. - Ст.14-17
Примечания : Cited References: 11. - The reported study was funded by Russian Science Foundation (Grant 18-72-00003). V.V. Slabko is grateful for the support from the Ministry of Education and Science of the Russian Federation (Grant 3.6341.2017/VU).
Аннотация: Dynamical model of self-assembly of nanoparticles in the field of laser radiation is developed and applied to the investigation of the possibility of the assembly of variously shaped structures comprised of the particles. Specifically, the computer model of the process of formation of structures with pre-defined geometry from a set of three initially isolated nanoparticles. The possibility of control of the geometry of the formed structure via the choice of the wavelength of external field.
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16.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Tsipotan A. S., Slabko V. V., Aleksandrovsky A. S., Abuzova N. V.
Заглавие : Self-Assembly of nanoparticles controlled by resonant laser light
Место публикации : J. Sib. Fed. Univ. Math. Phys. - 2015. - Vol. 8, Is. 1. - P.109-122. - ISSN 1997-1397; Журн. СФУ. Сер. "Математика и физика"
Примечания : Cited References: 34. - This research was supported by Siberian Federal University under the grant F12 and by the Ministry of Education and Science of Russian Federation under the contract 14.А18.21.1942.
Ключевые слова (''Своб.индексиров.''): dipole-dipole interaction--interaction of laser radiation with matter--nanoparticles--nanostructures--взаимодействие лазерного излучения с веществом--дипольное взаимодействие--наноструктуры--наночастицы
Аннотация: The paper presents theoretical justification for the possibility of formation of nanoparticle structures with the predefined configuration. The process of formation is the self-organized aggregation of nanoparticles under the action of external resonant laser field. The formation of various nanostructures that contain metallic and semiconducting nanoparticles with resonances in the visible spectrum is considered in the dipole-dipole approximation.Теоретически показана возможность формирования структур из наночастиц с заранее заданной конфигурацией. Это возможно благодаря явлению самоорганизации наночастиц под действием внешнего резонансного поля лазерного излучения. Формирование различных наноструктур, содержащих металлические и полупроводниковые наночастицы с резонансной длиной волны в видимой области, считалось в диполь-дипольном приближении.
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17.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Tsipotan A. S., Slabko V. V., Gerasimova M. A., Aleksandrovsky A. S.
Заглавие : Self-Assembly of Colloidal Semiconductor Quantum Dots Controlled Solely by Laser-Induced Interaction
Коллективы : Photonic colloidal nanostructures: synthesis, properties and applications
Место публикации : The PCNSPA Conference 2016: book abstracts. - 2016. - С. 92-93; \b The PCNSPA Conference 2016: programme. - 2016. - С. 8
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18.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Malakhovskii A. V., Sokolov A. Е., Tsipotan A. S., Zharkov S. M., Zabluda V. N.
Заглавие : Magnetic circular dichroism of CdTe nanoparticles
Место публикации : Phys. Lett. A. - 2018. - Vol. 382, Is. 14. - P.980-983. - ISSN 03759601 (ISSN), DOI 10.1016/j.physleta.2018.02.012
Примечания : Cited References: 29. - The reported study was funded by Russian Foundation for Basic Research, Government of Krasnoyarsk Territory, Krasnoyarsk Region Science and Technology Support Fund to the research project No. 17-42-240080 and by Presidium RAS projects 0356-2018-0057 and 0356-2018-0061.
Ключевые слова (''Своб.индексиров.''): cdte--nanoparticles--magnetic circular dichroism
Аннотация: Magnetic circular dichroism (MCD) of water-soluble CdTe nanoparticles was observed in the visible spectral range for the first time. Diameter of nanoparticles varied from 2.3 to 4.5 nm. Absorption and photoluminescence spectra were also recorded. Absorption line at 19400 cm−1 and luminescent line at 18200 cm−1 were observed. Splitting of value 960 cm−1 was revealed in the MCD spectrum. Approximately the same splitting was extracted from the absorption spectrum. The MCD was identified as the temperature independent paramagnetic mixing effect. Nature of the absorption line and of its splitting are discussed.
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19.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Tsipotan A. S., Gerasimova M. A., Slabko V. V., Aleksandrovsky A. S.
Заглавие : Laser-induced wavelength-controlled self-assembly of colloidal quasi-resonant quantum dots
Коллективы : Grant of Ministry of Education and Science of the Russian Federation [3.1749.2014/K, 214/71]; RFBR [14-02-00219 A]
Место публикации : Opt. Express: Optical Society of America, 2016. - Vol. 24, Is. 10. - P.11145-11150. - ISSN 1094-4087, DOI 10.1364/OE.24.011145
Примечания : Cited References:18. - This research is partially supported by Grant of the Ministry of Education and Science of the Russian Federation for Siberian Federal University (projects No 3.1749.2014/K, 214/71) and RFBR, research project No. 14-02-00219 A.
Предметные рубрики: Organized aggregation
Metal nanoparticles
Optical binding
Dynamics
Field
Аннотация: Self-assembly of colloidal semiconductor quantum dots controlled solely by laser-induced interaction is demonstrated for the first time. Pairs of CdTe nanoparticles are formed under irradiation with nanosecond pulses at wavelengths 555 or 560 nm. Formation of pairs is justified by corresponding changes of absorption spectra. Conditions of the experiment are in excellent agreement with those predicted by the theory of laser-induced dipole-dipole interaction of QDs. The fraction of QDs assembled into pairs is up to 47%. (C) 2016 Optical Society of America
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20.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Tsipotan A. S., Tkachenko V. A., Aleksandrovsky A. S., Slabko V. V.
Заглавие : Laser-induced self-assembly of quantum dots: Deterministic case versus brownian case
Место публикации : Photonics Nanostruc. Fundam. Appl. - 2020. - Vol. 40. - Ст.100791. - ISSN 15694410 (ISSN), DOI 10.1016/j.photonics.2020.100791
Примечания : Cited References: 23. - The reported study was funded by Russian Science Foundation (Grant 18-72-00003). V.V. Slabko is grateful for the support from the Ministry of Education and Science of the Russian Federation (Grant 3.6341.2017/VU)
Аннотация: The process of aggregation of two colloidal quantum dots in the field of quasiresonant laser radiation is investigated via computer simulation. The cases of either completely deterministic movement of particles or the movement with the account for random forces are considered. The conditions of pair formation are determined in dependence on initial interparticle distance, on laser wavelength, and on their initial orientation with respect to polarization plane of laser radiation. It is shown that despite velocity of thermal motion dominates over the velocity of directional diffusion of quantum dots, the account for random forces weakly influences on the probability of pair formation, the latter being close to results obtained in the deterministic case. The reason for this weak influence of Brownian movement is the resonant increase of electrodynamics attraction force during certain time interval within the laser pulse.
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