Zero-dimensional methylammonium iodo bismuthate solar cells and synergistic interactions with silicon nanocrystals

Hybrid solar cells from P3HT and silicon nanocrystals.

We are reporting new hybrid solar cells based on blends of silicon nanocrystals (Si NCs) and poly-3(hexylthiophene) (P3HT) polymer in which a percolating network of the nanocrystals acts as the electron-conducting phase. The properties of composite Si NCs/P3HT devices made by spin-coating Si NCs and P3HT from a common solvent were studied as a function of Si NC size and Si NC/P3HT ratio. The op...

Silicon Solar Cells with Nanoporous Silicon Layer

Two-dimensional Numerical Simulations of High-eeciency Silicon Solar Cells

This paper reports on the rst use of two-dimensional (2D) device simulation for optimising the frontnger spacing of one-sun high-e ciency silicon solar cells of practical dimensions. We examine the 2D current ow patterns in these devices under various illumination conditions, resulting in improved insight into the operating conditions of the cells. Results for the optimal spacing of the front m...

Silicon nanowire solar cells

Silicon nanowire-based solar cells on metal foil are described. The key benefits of such devices are discussed, followed by optical reflectance, current-voltage, and external quantum efficiency data for a cell design employing a thin amorphous silicon layer deposited on the nanowire array to form the p-n junction. A promising current density of 1.6 mA /cm2 for 1.8 cm2 cells was obtained, and a ...

Epitaxial Silicon Solar Cells