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张超峰

金虫 (初入文坛)

[求助] 英语翻译

From 3f, 3e, 3h and 3i whose emission wavelengths were
521, 523, 528 and 530 nm, it was found that they were redshifted.
We concluded that groups at 3- and 5-position with
electron-donating substituents such as methyl could lead to
a red-shifted phenomenon, with electron-withdrawing ones
could lead to a blue-shifted phenomenon. Meanwhile, when
we compared these novel bischromophore compounds with
other pyrazoline derivatives whose 1-position had phenyl,
a red-shifted phenomenon was found. So it was concluded
that the groups at both positions 1 and 3 had very strong influence
on the emission fluorescence of these compounds.
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xxtzz

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爱与雨下: 金币+1 2012-04-26 21:48:03
爱与雨下: , 欢迎常来~! 2012-04-26 21:48:10
张超峰: 金币+15, 翻译EPI+1 2012-04-27 07:44:09
可以观察到,激发波长分别为521,523,528,530 nm 的3f,3e, 3h 和3i 峰位置发生了红移。由此可以推断,在3号位和5号位的供电子基团(例如甲基)会引起红移现象,而吸电子基团会引起蓝移现象。同时,通过将这些新型双荧光团化合物和其他1号位上含有苯基的吡唑啉衍生物进行比较,也发现了红移现象。因此,我们推断1号位和3号位的基团能够对复合物的激发荧光效应产生强烈影响。
2楼2012-04-26 19:56:44
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