polysilicon
nounEtymology From poly- + silicon.
1
Business, Electrical engineering, Electricity, Electromagnetism, Electronics, Energy, Engineering, Natural sciences, Physical sciences, Physics Polycrystalline silicon: A polycrystalline form of silicon used in some solid-state devices, especially solar cells.
- Similarly Poly Engineering, an Italian maker of polysilicon—the key ingredient in solar panels—transferred key production knowhow to China's Daqo New Energy in 2008, helping China break the grip on polysilicon supply held by the US, Europe and Japan.2026 January 13, Rachel Millard, Alice Hancock, Nic Fildes, “How the west fell behind in green tech”, in Financial Times, Big Read, page 15:
- Related terms
- polycarbon