Making homemade copper solar cells

There are a number of elements and chemical compounds that can be used to produce photoelectric power. They include titanium, selenium, thorium, cuprous oxide, and metals of the alkali group including sodium, potassium, rubidium, lithium,
cesium and francium.
The two best substances for a homemade cells are, selenium and cuprous oxide.

An example of a complete Free Energy System, Using Solar cells in series and parallel to charge 12 volt deep cycle batteries, which in turn runs our 5,000 watt inverter to run your home on 120 vac x 60 Hz. We recommend replacing the solar panels with our Fuel less Engine connected to a 12 volt car alternator to keep up batteries. The lawn mower motor we use as a back up.

120 vac x 60 hz
modified or pure sine wave.

Selenium was extensively used in the production of commer¬cial solar cells before silicon. Although it can be a somewhat difficult to find a supplier and it is a toxic heavy metal, it is relatively inexpensive and can often be found in old model radio
sets, where it was used in the rectifier of the power supply.
A selenium photocell is made from a metal plate (usually iron) with one side being covered with a layer of selenium. A very thin layer of silver or gold is spattered over the selenium layer forming a layer of current-carrying material that allows light to pass through it. This layer is called a transparent electrode. A metal electrode called a collector, rests on the gold or silver near the edge of it.
Wires are attached to the collector and the iron plate to deliver the electric current to the load. Although not as great an output as more modern cells, a selenium photocell can produce as much as eight milliamperes for each square inch of surface area ex-posed to bright sunlight.
Cadmium sulfide is probably the most promising low-cost solar cell second only to silicon.
If you have an interest in electronics, you will undoubtedly recognize cadmium sulfide (the common "CDS" cell) as the material used in light detecting circuits. Although inventors have realized for some time that a number of materials such as cadmium sulfide change their electrical resistance in the pres¬ence of light, it has only been in fairly recent times that it was realized they could also be used to generate power also.
The most important attribute of cadmium sulfide is that it could be mass-produced efficiently using a thin-film procedure wherein very thin layers of its photosensitive components are evaporated onto a base metal or screen printed.
Cadmium cells are fairly efficient (3-5 typical) making them a good rival for amorphous silicon cells.
An Experimental Cell With Cuprous Oxide
The best cell by far for the you to start with, is a cell made with cuprous oxide (Cu^O). Copper actually has two oxides, a red

oxide called cuprous oxide, and a black oxide called cupric oxide (CuO).
The dark red cuprous oxide has photoelectric properties but black cupric oxide does not. The black oxide that forms on the outside of your cell must be removed because it is opaque and will not allow light to reach the cell's active surface.


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