Question

why we can't use the whole energy of Sun for converting into solar energy​

Answer 1

Answer:

may be help you

Explanation:

There a few issues that mean solar cells are not totally efficient in converting sunlight into electrical energy. One is that the energy provided by the photons might be insufficient to allow the electrons to break free from their electron–hole pairs.

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Answer 2

Solar panels use expensive semiconductor material to generate electricity directly from sunlight. Semiconductor factories need 'clean' manufacturing environments and are expensive to build & maintain. The efficiency of solar cells is only about 22%. The rest of the sunlight that strikes the panel is wasted as heat.

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