Using nanotechnologies in optics: On the possibility of enhancing the transparency and increasing the mechanical surface strength of materials in the UV and IR regions

Каманина, Н. В.; Vasilev, P.; Studenov, V. I.

doi:10.1364/jot.75.000806

Cited by 5 publications

(6 citation statements)

References 2 publications

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“…These nanoobjects have been deposited on the material surface using the IR CO 2 -laser with p-polarized irradiation at wavelength of 10.6 mm and power of 30 W, analogous to that shown in Ref. 8. It should be remarked when the nanoobjects have been deposited on the materials surfaces; the electric field of 100 V×cm -1 has been applied in order to orient the nanotubes or nanofibers in the vertical position during the deposition.…”

Section: Methodsmentioning

confidence: 99%

“…The aspect has been made on interaction between nanotubes (their C-C bonds) placed at the MgF 2 surface via covalent bonding. The main spectral and mechanical properties improvements for MgF 2 structures coated with CNTs have been shown and illustrated in the papers 8,21 . The second inorganic model system based on potassium bromide are chosen because their unique broad IR spectra.…”

Section: Inorganic Nanocomposites Studymentioning

confidence: 97%

“…It is necessary to take into account that the charge transfer between matrix organic molecule donor fragment and nanasensitizers can be organized due to their high electron affinity energy (for example, electron affinity energy is close to 2 eV for shungites 10 , to 2.65 eV for fullerenes 5,8 and to 3.8-4.2 eV for quantum dots 11 ) that is more than the ones for intramolecular acceptor fragments (for example, electron affinity energy of COANP acceptor fragment is close to 0.54 eV 12 and to 1.14-1.4 eV for polyimide one 13 ). Regarding graphenes it is necessary to take into account the high surface energy and planarity of the graphenes plane which can provoke to organize the charge transfer complex (CTC) with good advantage too.…”

Section: Organic Nanocomposites Studymentioning

confidence: 99%

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Nanostructured materials and their optical features

et al. 2013

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Modifications of bulk and surface properties of materials covered with nanoobjects such as: fullerenes, nanotubes, quantum dots, shungites, graphenes, etc., were studied. Improved photorefractive, photoconductive, mechanical and spectral properties were observed for the optical materials operating in the UV-VIS-IR spectral ranges. A wide area of possible applications of these materials in optoelectronics, laser techniques and solar energy conversion is proposed and discussed.

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Section: Methodsmentioning

confidence: 99%

Section: Inorganic Nanocomposites Studymentioning

confidence: 97%

Section: Organic Nanocomposites Studymentioning

confidence: 99%

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Nanostructured materials and their optical features

et al. 2013

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“…Analyzing these data, it is evident that the process of laser deposition of CNTs on the surface of the studied materials changes the spectral parameters, leading to a substantial increase of transmittance and decrease of Fresnel losses due to the covalent binding of the CNTs to the surface of the material [25,26] with regard to the small value of the imaginary part of permittivity of CNTs and their small refractive index that can be <1.1.…”

Section: Mgf 2 and Relative Structures: Spectral Parameters Wetting mentioning

confidence: 98%

Perspective of the Structuration Process Use in the Optoelectronics, Solar Energy, and Biomedicine

Каманина¹

2017

Nanomechanics

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In the current chapter, the results of the optimized organic and inorganic materials features have been presented and discussed under the conditions when the material volumetric body and their surfaces have been structured. The dramatic change of the main characteristics of the inorganic matrix which surface has been modified with oriented carbon nanotubes and additionally treated by surface electromagnetic waves has been established. The transmittance and reflection spectral change, of the micro-hardness and of the wetting angle increase have been discussed due to the covalent bonding of the carbon nanotubes with the near-surface materials layers. Analytic and molecular dynamics simulations have supported the data. The essential change of the basic macro-parameters of the organic matrix, including the liquid crystal one, via their structuration with the nano-and/or bio-objects such as the fullerenes, carbon nanotubes, shungites, quantum dots, graphene oxides, DNA has been found. The spectral, photorefractive, and photoconductive characteristics modification has been discussed due to the drastic increase of the dipole moment. The laser-induced change of the refractive index has been considered as the indicator of the basic materials macro-parameters changing. It has been predicted that a scientific knowledge and the technology advances can be useful for the solar energy, display technique, for the system to absorb the gas and impurities, for the schemes with the compacted information recording as well as for the biomedicine.

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“…Our own steps in this direction have been fi rstly shown in papers [52,53]. Many scientifi c and technological groups have made some steps to reveal the improved characteristics of optical materials to obtain good mechanical hardness, laser strength, and wide spectral range.…”

Section: Spectral and Mechanical Properties Of The Inorganic Materialmentioning

confidence: 99%

Advanced Optical Materials Modified with Carbon Nano‐Objects

Каманина¹

2013

Advanced Carbon Materials and Technology

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Using different types of modern effective nanoparticles such as fullerenes, carbon nanotubes, shungites, graphene oxides, quantum dots, etc., the properties of organic and inorganic systems have been considered after applying nano-objects to modify the bulk and interface features of these systems. Some evidence of the nanostructures infl uence on the photorefractive, photoconductive, and dynamic characteristics of the organic conjugated materials with initial donor-acceptor interaction has been shown. A correlation between photorefractive and photoconductive characteristics has been found, and the mechanisms responsible for this correlation are discussed. Moreover, the spectral and mechanical properties of the inorganic compounds have been shown under the conditions of the nanoobjects modifi cation.

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Using nanotechnologies in optics: On the possibility of enhancing the transparency and increasing the mechanical surface strength of materials in the UV and IR regions

Cited by 5 publications

References 2 publications

Nanostructured materials and their optical features

Nanostructured materials and their optical features

Perspective of the Structuration Process Use in the Optoelectronics, Solar Energy, and Biomedicine

Advanced Optical Materials Modified with Carbon Nano‐Objects

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