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yling10

金虫 (小有名气)

[交流] 【求助】吸收和发射光谱 已有9人参与

计算OLED材料,算出来的吸收波长一定比发射波长要长吗?为什么呢?
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lihb734

铁杆木虫 (职业作家)

站在计算化学入门的门槛上

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heyo_123(金币+1):鼓励交流!!! 2010-07-28 08:21:38
要短吧?反stoke位移常见吗?
前途光明,出路难觅!
3楼2010-07-22 19:49:34
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yling10

金虫 (小有名气)

2楼2010-07-22 19:16:26
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jiewei

专家顾问 (著名写手)

小才

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heyo_123(金币+1):鼓励交流!!! 2010-07-28 08:21:24
3楼是对的,基本上应该是更短,目前还没有见过反stoke的体系.
我也主要是做发光材料或者电子传输材料的
我想做个科学家,可我又喜欢写诗;我想做一个诗人,可我却读的理工科..
4楼2010-07-22 23:15:32
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seainthesky

铜虫 (初入文坛)

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heyo_123(金币+1):鼓励交流!!! 2010-07-28 08:21:14
absorption should have more photon energy than that of emission photon energy. then the system emit extra energy in the form of light. otherwise the material cannot give off light.

Photon energy of emission is less, which is called Stroke shift with longer wavelength. Also its named as red shift.

In the case of the other way around, emission possessing higher photon energy, its defined as anti-Stroke shift/blue shift.

[ Last edited by seainthesky on 2010-7-22 at 23:31 ]
5楼2010-07-22 23:28:17
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