请问：碘化亚铜（CuI）和硫化亚铜（Cu2S）的禁带宽度（或者说是能带隙,energy band gap）分别是多少?最好是能有参考文献.
问题描述：
请问：碘化亚铜（CuI）和硫化亚铜（Cu2S）的禁带宽度（或者说是能带隙,energy band gap）分别是多少?最好是能有参考文献.
答
Eg(CuI)=3.1ev
参考文献：Observation of microwave conductivity in copper iodide films and relay effect in the dye molecules attached to CuI photocathode,Journal of Solid State Chemistry,Volume 178,Issue 10,October 2005,Pages 3010-3013
Eg(Cu2S)=1.2eV
参考文献：MARSHALRL and MITRAS 1965,J.Appl.Phys.36 3882-3.