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xamiracle407

新虫 (初入文坛)

引用回帖:
10楼: Originally posted by 小范范1989 at 2015-10-25 15:29:51
这个我就不会了,我的理解如下:
1:荧光,应该就是从s1上发出的光,当然不排除高激发态荧光,所以,我感觉,理论上,就应该会是一个风。
2:你实验上测得两个峰,是不是有杂质?或者其他分子的峰?这个我不确定 ...

根据Kasha规则,荧光是由S1态到S0各个振动能级,然后内转化至S0最低振动能级的,所以物质的荧光峰存在多个,但是貌似高斯输出文件都是S1 S2 S3……,对应的波长都是这些激发态到基态的跃迁,好像无法解释多个荧光峰的情况。另外,问一下楼主,高斯能用来看振动能级的情况吗(就是电子态下的震动转动能级)
11楼2015-10-25 18:38:08
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小范范1989

木虫 (著名写手)

引用回帖:
11楼: Originally posted by xamiracle407 at 2015-10-25 18:38:08
根据Kasha规则,荧光是由S1态到S0各个振动能级,然后内转化至S0最低振动能级的,所以物质的荧光峰存在多个,但是貌似高斯输出文件都是S1 S2 S3……,对应的波长都是这些激发态到基态的跃迁,好像无法解释多个荧光峰 ...

可以,搜索一下sob老师的:振动分辨的电子光谱,接着就出来了
It doesn't matter how slow you are, as long as you're determined to get there, you'll get there.
12楼2015-10-25 21:11:10
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