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ally5829

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[交流] 【请教】DSSCs 染料的吸附量如何检测

RT。染料敏化太阳能电池的染料吸附量如何检测?
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chenhan0311

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wandaohzl: 鼓励交流 2011-04-05 15:03:25
ally5829(金币+1): 2011-04-05 16:10:06
通过做UV 可以知道
2楼2011-04-05 08:40:00
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ally5829

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wandaohzl: 鼓励交流 2011-04-05 15:04:09
引用回帖:
Originally posted by chenhan0311 at 2011-04-05 08:40:00:
通过做UV 可以知道

根据UV吸收谱,是如何计算吸附量的?
3楼2011-04-05 10:10:38
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fansire

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nuaajsh(金币+1): 鼓励交流 2011-06-26 22:39:38
将敏化后的膜浸在碱液中脱附染料,然后将液体测试UV,根据UV吸收曲线计算染料浓度
4楼2011-04-27 10:43:38
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ally5829

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引用回帖:
Originally posted by fansire at 2011-04-27 10:43:38:
将敏化后的膜浸在碱液中脱附染料,然后将液体测试UV,根据UV吸收曲线计算染料浓度

这个我知道,关键是如何根据UV吸收曲线计算染料浓度的,我不明白
5楼2011-04-27 15:07:45
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fansire

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ally5829(金币+2): 2011-04-28 10:13:36
引用回帖:
Originally posted by ally5829 at 2011-04-27 15:07:45:
这个我知道,关键是如何根据UV吸收曲线计算染料浓度的,我不明白

给你个例子:To estimate the dye adsorbed amount on the TiO2 films, the sensitized electrode was separately immersed into a 0.1 M NaOH solution in a mixed solvent (water: ethanol=1:1), which resulted in the desorption of N719. The absorbance of the resulting solution was measured by a UV-3600 UV-vis spectrophotometer (Shimadzu, Japan). The dye adsorbed amount was determined by the molar extinction coefficient of 1.41 × 104 dm3 mol-1 cm-1 at 515 nm as reported previously
6楼2011-04-28 09:08:46
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