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3. A dye-sensitized solar cell (DSSC) is composed of six components, is shown in the figure below. (a) Describe the working principle of DSSC.

3. A dye-sensitized solar cell (DSSC) is composed of six components, is shown in the figure below. (a) Describe the working principle of DSSC. (10 marks) (b) Give each of the six components a brief description, including representative materials, features or etc. Photo-anode:- (15 marks) counter electrode Electrolyte Dve Sealant Substrates

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