Grtzel Solar Cells From Sunlight to Electricity

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Grätzel Solar CellsFrom Sunlight to
Electricity
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What are Grätzel cells?
Dye Sensitised Solar Cells


Electricity
Ribena
Tea
Tumeric Powder
Light Energy
Food Dye
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What do they look like?
(1) (2)
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Food Dye

• Ribena
• Hybiscus Tea
• PG Tips Teabag
• Turmeric Powder
• Cranberry Juice

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3 Steps

• Step 1 Prepare dyed TiO2 plate
• Step 2 Prepare Graphite plate
• Step 3 - Assembly of Grätzel Solar Cell

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Step 1 - TiO2 dyed plate
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Step 2 - Graphite plate
Pencil
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Step 3 Making the Grätzel cell
Paperclip clamp
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Dyed TiO2 plate
Grätzel cell is made !!

Iodide electrolyte
Graphite coated plate
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How does it work?
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Best Working Dye
Electricity is the flow of current
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Power a Calculator