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Question

(D) solar cell is a device that converts solar energy into electrical energy. The solar radiation spectrum has a maximum intensity around $1.5 \ eV$.

Vedclass · Accepted Answer

between $1.0 \ eV$ and $1.8 \ eV$.

Vedclass · Answer

(D) solar cell is a device that converts solar energy into electrical energy. The solar radiation spectrum has a maximum intensity around $1.5 \ eV$. To efficiently absorb solar radiation,the semiconductor material used in a solar cell must have a band gap that matches this energy range. Materials with a band gap between $1.0 \ eV$ and $1.8 \ eV$ are ideal for this purpose,as they can absorb a significant portion of the solar spectrum. Silicon,with a band gap of approximately $1.1 \ eV$,is the most commonly used material for solar cells.

The material used for a solar cell should have a band gap:

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