This peice of glass will act as a counter-electrode. You can use a regular graphite pencil. Just rub the tip of the pencil over the glass until it is fully covered with the graphite residue. You can cut a thin plastic spacer to put between the pieces of glass. The spacer should go on the clean side of the glass (opposite the tea or graphite side). Alternatively, you can put tape around the edges on the clean side of the glass to form a spacer. This keeps the glass ever so slightly separated. An iodine solution is an ideal electrolyte. You can get it over the counter at most pharmacies. Mix the solution in a 3:1 ratio with alcohol. Put one to two drops of the solution between the two pieces of glass. Before the solution has time to evaporate, press the two pieces of glass firmly together. Use alligator clips to hold them in place. Your cell is now capable of producing electrical currents when exposed to light. You can test this by placing the cell in sunlight and using a multimeter to check for current.
لون قطعة أخرى من الزجاج المُوصل للكهرباء بالجرافيت. ضع فاصلًا بين قطعتين الزجاج. أضف محلولًا كهربائيًا. اكبس قطعتين الزجاج معًا.