The absorption edge increases as the amount of fluorine is raised. The optical energy gap E g is mainly determined by CF bond in the films, which results in the change of the density of states in band tail of the valence band.是什么意思_The absorption edge increases as the amount of fluorine is raised. The optical energy gap E g is mainly determined by CF bond in the films, which results in the change of the density of states in band tail of the valence band.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句