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Gold nanoparticles embedded in carbon film: Micromorphology analysis
S¸ tefan T¸a˘lu,Miroslaw Bramowicz,Slawomir Kulesza,Shahram Solaymani,Azizollah Shafikhani,Atefeh Ghaderi,Mohammad Ahmadirad 한국공업화학회 2016 Journal of Industrial and Engineering Chemistry Vol.35 No.-
In this paper the sputtered gold nanoparticles (NPs) deposited by Radio Frequency-Plasma EnhancedChemical Vapor Deposition (RF-PECVD) method on the glass substrates in trace of amorphoushydrogenated carbon (Au NPs @ a-C: H) were analyzed to study the three-dimensional (3-D) surfacetexture. The prepared Au NPs @ a-C: H films were used as research materials. The synthesis of sampleswas carried out in different powers from 80 to 120 W while all other parameters were kept constant. TheX-ray diffraction patterns and UV–vis spectra were applied to study the structure and Localized SurfacePlasmon Resonance (LSPR), respectively. An atomic force microscope in a non-contact mode was usedto record the sample surface images then the fractal geometry was studied. The images were numericallyprocessed to calculate the Areal Autocorrelation Function (AACF), which was used to determine theanisotropy ratio Str, and to compute the Structure Function (SF). The log–log plots of the latter were usedto calculate fractal properties of the studied surfaces, such as fractal dimension D, and pseudo-topothesyK. The analysis of 3-D surface texture was helpful in optimizing the functional performance of thethin film.
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