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Zverev, V. V.; Залазинский, А. Г.; Novozhonov, V. I.; Polyakov, А. А.

doi:10.1023/a:1018856726111

Cited by 3 publications

(2 citation statements)

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“…For the more careful studies of layered periodic structures of Ag nanoparticles revealed by TEM in laser irradiated FAP/Ag(hfac)COD films, we have used the technique of wavelet analysis [19,20], which is applied successfully to reveal the details of complicated structures [21]. Wavelet transformation represents itself the factorization of a given function f (x) through the basis designed from the basic wavelet by ψ(x) scaling transformation and hyphenation along the dimensional x axis:…”

Section: Resultsmentioning

confidence: 99%

“…Important that the structural elements of the same type (black "arches" with a white middle part) appear periodically with a certain step along the vertical line. The step size, which can be determined by measuring, for example, the vertical distances between the horizontal levels at which the tops of the "arches" are located, is related to the fractal dimension of the corresponding fractal structure [21]. From Fig.…”

Section: Resultsmentioning

confidence: 99%

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Laser-induced atomic assembling of periodic layered nanostructures of silver nanoparticles in fluoro-polymer film matrix

et al. 2010

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Fluorinated acrylic polymer (FAP) films have been impregnated with silver precursor (Ag(hfac)COD) by supercritical fluid technique and next irradiated with laser (λ = 532 nm). Laser-chemically reduced Ag atoms have been assembled into massifs of Ag nanoparticles (3 -8 nm) in FAP/Ag(hfac)COD films matrix in the form of periodic layered nanostructures (horizontal to film surface) with unexpectedly short period (90 -180 nm). The wavelet analysis of TEM images reveals the existence of even shorter-period structures in such films. Photolysis with non-coherent light or pyrolysis of FAP/Ag(hfac)COD film results in formation of Ag nanoparticles massifs but free of any periodic nanoparticle assemblies. Our interpretation of the observed effect of laser formation of short-period nano-sized Ag nanoparticle assemblies is based on self-enhanced interference process in the course of modification of optical properties of film.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%