試題詳解

57. Silicon (Si) is a semiconductor material whose properties fit perfectly in solar cells to convert the light energy into electrical energy. Based on this evidence, what the value of energy gap of Si probably is?
(A) several tenths of eV
(B) 1.1 eV
(C) 3.1 eV
(D) 5.1 eV
(E) 7.1 eV