Diffusive solar cell window technology is based on a solar cell window module that can be fabricated by integrating conventional silicon solar cells and nanocomposite materials. It involves a new combination of existing technologies because of the use of the mature, mass-produced componentsdsolar cellsdand diffusive nanoparticles that are embedded within a light-guiding plate. They are integrated using an inexpensive method that is commonly used for fabricating windows for use in buildings. The final result is an inexpensive, strong, stable, view quality-preserving solar energyharvesting window that has no close competition. It represents a clear improvement over existing solar power-generating windows. It provides a clear view, with no obstruction by any visible component, but with only reduced brightness. Moreover, unlike other technologies, it does not cause color distortion. The diffusive solar cell window only needs to be attached to the original structure, and any device with a USB can be plugged into the window frame to be recharged. Recharging can also be performed using solar batteries. Products made using diffusive solar cell window technology will be new to the existing solar power generation window market