我第一次做碳纳米管的拉曼光谱,如下图,文献中说
“the Raman spectrum of the mesoporous carbons exhibit the presence of D and G bands, located at 1348 and 1595 cm-1The peak at 1595 cm1 corresponds to the Raman-active E2g, which is due to the vibration mode
corresponding to the movement in opposite directions of two neighboring carbon atoms in a single crystal graphite sheet. The D band at around 1348 cm1 is associated with the presence of defects in the graphite layer.The relative intensity ratio of the D and G bands is about 0.70。”
我的问题是:
关于“relative intensity ratio”,有人告诉我是 峰的高度之比,有人告诉我是峰面积高斯积分之比,到底是什么比呢? 峰的高度之比,有人告诉我是峰面积高斯积分之比分别代表什么物理含义呢?
谢谢大家的帮助!