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Simulation of Light-Nanowire Interaction in the TE Mode Using Surface Integral Equations
Dr. Masoud Rezvani Jalal, Mrs. Maryam Fathi Sepahvand,
Volume 10, Issue 1 (International Journal of Optics and Photonics (IJOP) Vol 10, No 1, Winter-Spring 2016)
Abstract

In this paper, the scattering of a plane monochromatic electromagnetic wave from a nanowire with circular cross-section in the transverse electric (TE) mode is simulated using the well-known Stratton-Chu surface integral equations. For an ordinary dielectric nanowire the refraction phenomenon is nicely simulated. In the case of a plasmonic nanowire no sign of surface plasmon excitation and propagation is seen. Transition from electrostatic regime to the geometrical shadow through diffraction regime by decreasing the light wavelength is also observable.


Effects of Variation of the Organic Solar Cell Layers’ Dimensions on Electrical Charge Carrier Transfer
Miss Nasrin Sepahvand, Mr Mohsen Bahrami,
Volume 15, Issue 1 (Winter-Spring 2021)
Abstract
In this work, the effect of changing the dimensions of the layer structure on the collection of electrical charge carriers which been produced in the thin film composed of P3HT[1] and PCBM[2] that is between two electrodes, using the Monte Carlo numerical simulation with Bortez, Callus and Lebowitz algorithms, with checkered structure and different dimensions 60×15×5 sites, 60×30×5 sites, have been the conditions of the layers. At first, the average number of electrons and holes produced on the cathode and anode electrodes in two stages (simultaneous injection of excitons, without and with the presence of deep traps) was calculated and it was concluded that, by increasing layer width, the average number of electrical charge carriers collected on the electrodes has decreased, which has a direct impact on production of layer circuits and solar cell performance. Finally, the amount of external quantum efficiency of the layers was also calculated. In 60×15×5 sites layer, in two stages – without and with the presence of traps – the average value of external quantum efficiency 52.3% and 42.43% was obtained and in 60×30×5 sites layer, the value of 42.43% and 37.9% was calculated.
 
[1] Poly(3-hexylthiophene)
[2] Phenyl-C61-butyric acid methyl ester

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