Build Solar Panel

Looking for websites on how to build a Solar Panel?
Can anyone point me to different websites that can tell me how to Build Solar Panels? Thanks!
In commercial manufacturing, they take a silicon wafer and etch the surface with a chemical. There are also commercial panels that are created by crystallizing the surface on to the wafer.
Here website that makes a panel by an entirely different process. Probably not as efficient, but interesting never the less.
http://www.thesolarplan.com/articles/your-own-solar-panel-collector.html