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sevilla

金虫 (初入文坛)

[求助] 求测DSSC阳极染料吸附具体步骤

求测DSSC阳极染料吸附具体步骤
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fansire

木虫 (著名写手)

【答案】应助回帖

感谢参与,应助指数 +1
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 × 10^4 dm3 mol-1 cm-1 at 515 nm as reported previously
3楼2012-04-15 21:05:53
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lzh501

金虫 (小有名气)

【答案】应助回帖

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感谢参与,应助指数 +1
sevilla: 金币+20, 计算的话直接用 样品吸光度 比 标准液吸光度 ,就等于 浓度比吗 2012-04-15 21:07:22
将吸附染料的电极放入0.1M的NaOH溶液(溶剂为体积比为1:1的无水乙醇和水的混合液)中解吸附,待染料脱附完毕后,用紫外-可见光分光光度计测试就可以啦
2楼2012-04-15 20:23:06
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