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13813284471

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[求助] 浓度对量子点荧光的影响

各位好!请教一下,我做出来的CdTe量子点或者包了壳ZnS的量子点感觉荧光强度不好,然后我用双蒸水将它稀释了,感觉它的荧光还可以,这样做有问题吗?当然我渴望您有更好的建议能提供给鄙人,谢谢!
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sciencemaji

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13813284471(金币+1): 谢谢! 2011-08-01 16:37:11
我实在写不了15个字,你这种做法没有问题。
2楼2011-08-01 11:04:35
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sally208

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13813284471(金币+2): Thank you! 2011-08-01 16:43:40
zhangwj(金币+1): mark 2011-08-03 20:05:28
It is very vague and unclear to see whether the PL of QDs is good or not by just eyes or simple intensity comparison.  It would be more convincing to measure the quantum yield of QDs to judge their PL efficiency.
Note that the concentration of QDs for measuring PL spectrum should be very low so that their absorbance at the excitation wavelength is less than 0.1.
3楼2011-08-01 14:11:42
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