Current Science

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Polysilicon is the basic semiconductor material used in the manufacture of the most popular type of solar photovoltaic (PV) cells as well as the ubiquitous integrated circuit (IC) chips. With increased importance of renewable energy, the production of polysilicon globally has increased from hundreds to thousands of tonnes. Comparing the various available technologies, it is seen that single crystal and multicrystalline silicon cells comprise 87% of the market. This note provides comparative data of the production of polysilicon and PV modules in various countries. In spite of the importance of solar PV in the Jawaharlal Nehru National Solar Mission, India does not produce any polysilicon.
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