Fitting by Orthonormal Polynomials of Silver Nanoparticles Spectroscopic Data

被引:0
|
作者
Bogdanova, Nina [1 ,3 ]
Koleva, Mihaela [2 ]
机构
[1] BAS, Inst Nucl Res & Nucl Energy, Bul Tzarigradsko Chaussee 72, Sofia 1784, Bulgaria
[2] BAS, Inst Elect, Bul Tzarigradsko Chaussee 72, Sofia 1784, Bulgaria
[3] Joint Inst Nucl Res, Dubna 141980, Moscow Region, Russia
关键词
D O I
10.1051/epjconf/201817304003
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Our original Orthonormal Polynomial Expansion Method (OPEM) in one-dimensional version is applied for first time to describe the silver nanoparticles (NPs) spectroscopic data. The weights for approximation include experimental errors in variables. In this way we construct orthonormal polynomial expansion for approximating the curve on a non equidistant point grid. The corridors of given data and criteria define the optimal behavior of searched curve. The most important subinterval of spectra data is investigated, where the minimum (surface plasmon resonance absorption) is looking for. This study describes the Ag nanoparticles produced by laser approach in a ZnO medium forming a AgNPs/ZnO nanocomposite heterostructure.
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页数:4
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