A novela-Si : H solar cell designed by two-dimensional device simulation

Design and Simulation of a Highly Efficient InGaN/Si Double-Junction Solar Cell

A solar cell is an electronic device which not only harvests photovoltaic effect but also transforms light energy into electricity. In photovoltaic phenomenon, a P-N junction is created to form an empty region.  The presented paper aims at proposing a new highly efficient InGaN/Si double-junction solar cell structure. This cell is designed to be used in a real environmental situation, so only s...

Exploration of Si-Based Transistors by Quantum Scale Device Simulation

Two-dimensional photonic crystals designed by evolutionary algorithms

We use evolutionary algorithms to design photonic crystal structures with large band gaps. Starting from randomly generated photonic crystals, the algorithm yielded a photonic crystal with a band gap sdefined as the gap to midgap ratiod as large as 0.3189. This band gap is an improvement of 12.5% over the best human design using the same index contrast platform. © 2005 American Institute of Phy...

Novel two-dimensional photonic crystals designed by evolutionary algorithms

We use evolutionary algorithms to search the space of two-dimensional photonic crystals with maximum bandgaps for a given index contrast. The unit-cells of the photonic crystal are represented as bitmaps which are either directly encoded or generated through bottom-up and top-down construction trees. The fitness criterion rewards for partial band gaps and is evaluated by solving for the photoni...

Si nanoparticle interfaces in Si / SiO 2 solar cell materials

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