Optical properties of a-C:H thin films modified by Ti and Ag

Prikhodko, O. Yu.; Mikhailova, Svetlana; Mukhametkarimov, Ye. S.; Maksimova, S. Ya.; Manabaev, N. K.; Dauthan, Kuanysh

doi:10.1117/12.2238455

Cited by 4 publications

(5 citation statements)

References 3 publications

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“…The same sizes for silver nanoparticles were obtained for TiO 2 <Ag> films with other Ag concentrations. Similar results were obtained for wide-gap semiconductor nanocomposite a-C:H<Ag> films with the LSPR effect, also prepared by ion-plasma co-sputtering (Prikhodko et al 2016;.…”

Section: Resultssupporting

confidence: 82%

Peculiarities of the structure and optical properties of amorphous semiconductor plasmon nanocomposites TiO2<Ag>, prepared by ion plasma co-sputtering

Dauithan,

Prikhodko,

Peshaya

et al. 2023

PCS

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Structure and optical properties of amorphous semiconductor nanocomposite TiO 2 films prepared by ion-plasma RF magnetron co-sputtering of a TiO 2 and Ag target only in the argon atmosphere are studied. Matrix of TiO 2 films is amorphous with inclusions of isolated 3-4 nm sized silver nanoparticles. The optical transmission spectra have a sharp edge of fundamental absorption band at ~ 300 nm, which is formed by direct and indirect allowed optical transitions. The band gap of the TiO 2 films increases with the Ag concentration due to some ordering of the matrix. The absorption band is observed in the visible region of the spectrum due to the effect of local surface plasmon resonance absorption (LSPR) on silver nanoparticles. The LSPR intensity increases with the silver concentration, and the maximum of the absorption band, depending on the Ag concentration, is located in the region from 455 to 488 nm.

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Section: Resultssupporting

confidence: 82%

Peculiarities of the structure and optical properties of amorphous semiconductor plasmon nanocomposites TiO2<Ag>, prepared by ion plasma co-sputtering

Dauithan,

Prikhodko,

Peshaya

et al. 2023

PCS

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“…A plasmonic peak redshift with Ag atomic concentration (at least for Ag atomic concentrations range up to 30 at.%) was found in different studies (figure 6(b)) [16,19,21,67,126]. No evident differences between the behaviour of hydrogenated and hydrogen-free DLC:Ag films were detected.…”

Section: Optical Absorption Spectra In Uv-vis and Nir Rangesmentioning

confidence: 72%

“…Reflectance spectra of DLC:Cu films can be found in [92], while reflectance spectra of DLC:Ag were presented in [88]. In the case of DLC:Ag films grown by different physical vapor deposition based methods, a surface plasmon resonance related absorption peak is located in the 400-500 nm range [13,16,19,21,67,78,89,119,125,126]. However, in [127] the plasmonic peak of the absorption spectra of multilayer DLC/Ag films was reshifted to the 600-900 nm range.…”

Section: Optical Absorption Spectra In Uv-vis and Nir Rangesmentioning

confidence: 99%

“…In the case of DLC:Au [128] and DLC:Ag [19,78,126] films a plasmonic absorbance peak appeared when Au (Ag) content in the film exceeded 1-3 at.%. A very different behaviour was observed for DLC:Cu films.…”

Section: Optical Absorption Spectra In Uv-vis and Nir Rangesmentioning

confidence: 99%

“…(b) The dependence of the surface plasmon resonance peak position of DLC:Ag on silver atomic concentration. DC MS refers to DC magnetron sputtering and PLD refers to pulsed laser deposition.Experimental data points are taken from[16,19,67,78,126]. (c) Dependence of intensity of the plasmonic peak normalized to a-C:H absorption peak intensity versus Ag atomic concentration in hydrogenated DLC:Ag films deposited by reactive DC magnetron sputtering.…”

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confidence: 99%

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Diamond like carbon nanocomposites with embedded metallic nanoparticles

Tamulevičius¹,

Meškinis

Tamulevičius

et al. 2018

Rep. Prog. Phys.

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In this work we present an overview on structure formation, optical and electrical properties of diamond like carbon (DLC) based metal nanocomposites deposited by reactive magnetron sputtering and treated by plasma and laser ablation methods. The influence of deposition mode and other technological conditions on the properties of the nanosized filler, matrix components and composition were studied systematically in relation to the final properties of the nanocomposites. Applications of the nanocomposites in the development of novel biosensors combining resonance response of wave guiding structures in DLC based nanocomposites as well as plasmonic effects are also presented.

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