# Simulation of absorptivity, reflectivity and transmissivity of a random distribution of Ag nano-particle on glass

We consider a random distribution of silver (Ag) nanoparticles on glass. Such a film can be used as a transparent conductive layer in a thin-film PV. Goal of the simulation is to study scattering behavior and parasitic absorption in such a mesh.

A periodic array of ${\displaystyle 5\mu m\times 5\mu m}$ supercell is simulated. Ag nanoparticles are of cubicle shape of size ${\displaystyle 500nm\times 500nm\times 500nm}$. In this simulation we consider a particle density of 0.6 particles per square meter area. So there are total 15 particles in the simulated supercell.

## Software Used

### REMS

REMS is a frequency domain wave optics simulator. REMS solves Maxwell equations in frequency domain for both space and time variables. REMS is a heavily multi-threaded, stable and efficient implementation various formulations of Rigorous Coupled Wave Analysis (RCWA), Fourier Modal Method (FMM), and the S-matrix algorithm.

For more details see REMS .

### Matlab

MATLAB (matrix laboratory) is a multi-paradigm programming numerical computing environment and fourth-generation programming language. A proprietary programming language developed by MathWorks, MATLAB allows matrix manipulations, plotting of function and data, implementation of algorithms, creation of user interfaces, and interfacing with programs written in other languages, including C , C++, C Sharp, Java, Fortran and Python.

For more details see Matlab .

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