Prediction of the Bandgap of a Core-Shell Microsphere via Light Intensity Fluctuations | Zendy

Moon Kyu Choi | Zendy; Youngjin Choi | Zendy

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Prediction of the Bandgap of a Core-Shell Microsphere via Light Intensity Fluctuations

Author(s) -

Moon Kyu Choi,

Youngjin Choi

Publication year - 2010

Publication title -

international journal of photoenergy

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.426

H-Index - 51

eISSN - 1687-529X

pISSN - 1110-662X

DOI - 10.1155/2011/679364

Subject(s) - blueshift , monochromatic color , materials science , core (optical fiber) , refractive index , shell (structure) , microsphere , band gap , wavelength , absorption (acoustics) , optics , irradiation , optoelectronics , red shift , physics , photoluminescence , composite material , chemical engineering , nuclear physics , engineering , quantum mechanics , galaxy

It has been experimentally observed that in the case of microspheres irradiated by light, the absorption wavelength shift occurs, known as the blueshift, with changing shell materials (i.e., by decreasing the refractive index of the shell). In the present investigation, we want to demonstrate it numerically by using the boundary element method. The material used for the simulation is a core-shell (SiO2 and another material of a larger refractive index) microsphere and it is irradiated by unpolarized monochromatic light wave. This paper intends to demonstrate that it is possible to predict the bandgap of a core-shell microsphere resulting from two different bandgap materials and that the numerical simulation employed produces the blueshift

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