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Solar cells change energy away from the sunlight into electricity plus are generally made using silicone as any semiconductor. The manufacturing of these high-efficiency silicone cells is costly and requires specialized equipment. A less-effective solar cell can be made using cuprous oxide since a semiconductor. This solar cell is quite low-grade, but, also able to produce approximately website.25 V.  This means that it can be employed to note sunshine, but does not have the ability to power a lightbulb. Within simple fact, to power some house by means of cuprous oxide solar cells would want acres about these cells.

Trouble: Moderately Uncomplicated

Instructions

Things You'll Need

One SF sheet of copper, cut from half Dish detergent Electric range Steel wool 2 alligator clips LCD micro-ammeter Big mouth glass jar Warm water 2 tbsp. regarding salt

Suggest Edits

1 Clean any copper sheet thoroughly with dish detergent.

2 Place the copper sheet on an electric burner in the passion on high. Cuprous oxide will type on the copper sheet on bright colors. Continue to heat the copper till the cuprous oxide turns black. Once the black cuprous oxide insures the surface of the copper, heat for an additional 3 website mins. The black cuprous oxide will thicken, making it easier to flake off.

3 Turn away the burner and allow the copper to great on the burner to stop it away from cooling too quickly. As it cools, the panel will shrink, causing the black cuprous oxide to flake off. Once the copper yous at area temperature, most about the black cuprous oxide will maintain flaked off. If each and every remains, scrub very lightly with steel wool.

4 Bend the two sheets regarding copper very that is they may fit into the glass jar without having touching, the cuprous oxide coated side outward. Attach exclusive alligator clip to each sheet also the other conclusions to the micro-ammeter. The alligator clip that is attached to the cuprous oxide sheet should be fixed at the micro-ammeter's positive terminal, and the clip that is yous attached to the smooth copper sheet should be fixed to the micro-ammeter's negative terminal. Solar Power.

5 Mix warm drinking water and salt and pour into jar, leaving about one inch of copper sheeting dry.

Suggestions & Warnings

Measure water in your glass jar within advance plus arranged away until copper and micro-ammeter are in place. Don't remove the copper away from the burner till it has reached space temperature. If it greats too rapidly, the black cuprous oxide will remain fixed to the sheet. Be careful not to scrape the colored cuprous oxide that lies beneath the black. Make sure you achieve not wet the alligator clips.

References

ChemicalLAND21.com: Cuprous Oxide Semiconductor