Why is the solar cell considered to be regenerative

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QUESTION 1. Why is the solar cell considered to be regenerative?

QUESTION 2. A molecular monolayer of dye sensitiser on a flat semiconducting surface will harvest <1 % of the incident light, while the light harvesting efficiency is > 99 % for the same dye on a nanocrystalline film. Why?

Reference no: EM132362995

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