Solar Cells

Step 1Materials you pass on need A piece of paper of blur flashing from the hardw atomic number 18 store A transparent CD case galvanizing car fit out Sodium bicarbonate or Table salt An galvanic stove calorific glue solder Sheet admixture shears for cutting the bull sheet I apprise you visit http://scitoys.com there are many projects and interesting equip Step 2How to prepare bulls eye i The first get-go is to cut a piece of the bruiser sheeting that is nearly the size of the burner on the stove. Wash your hands so they dont give in any crud or oil on them. consequently wash the tomentum sheet with soap or teetotal cleaner to shake any oil or grease out of it. Use the sandpaper or wire drag to well clean the copper sheeting, so that any sulphide or other light corrosion is removed. Next, place the cleaned and modify copper sheet on the burner and turn the burner to its highest setting. Step 3Cooking the copper i cook the copper for at least 30 min. As the copper gets hotter, the change are replaced with a gloomy coating of cupric oxide. This is not the oxide we want, but it will peel take out later, showing the reds, oranges, pinks, and purples of the cuprous oxide layer chthonianneath. The go away bits of color disappear as the burner starts to sting red.

When the burner is glowing red-hot, the sheet of copper will be surface with a dark cupric oxide coat. Let it cook for a half(prenominal) an hour, so the desolate coating will be slurred. This is important, since a thick coating will flake off nicely, while a thin c oat will cheque stuck to the copper. After! the half hour of cooking, turn off the burner. come forth the hot copper on the burner to cool slowly. If you cool it too quickly, the sable oxide will stay stuck to the copper. Step 4Prepare the cooked copper i When the copper has cooled to mode temperature (this takes about 20 minutes), most of the black oxide will be gone. A light scrubbing with your hands under trail water will remove most of the niggling bits. stand pat the temptation to remove all of the black spots...If you want to get a full essay, order it on our website: OrderCustomPaper.com

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