As you know, it’s #EcoMonday, as Max Gladwell has started a new eco trend on Twitter, here’s how to make a solar cell for those of you who want to make your own using parts you can find at the local hardware store.
Here is a low power low efficiency photovoltaic cell that you can make you own in the kitchen
with materials from the hardware store.
This cell is made from cuprous oxide instead of silicon and you can build a working solar cell in 2 hours
to build it i follow this instruction: http://scitoys.com/scitoys/scitoys/echem/echem2.html