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风雨182(金币+10, 翻译EPI+1): 2010-07-28 20:28:14
样品c掺杂La后，样品呈棒状，且分散较蓬松，但大小分布不均；样品d为La-CdS/TiO2，从图中可看出，样品也呈棒状，分撒蓬松且大小均匀，有利于吸附底物甲基橙，增大二者之间的接触面积，进而提高光催化反应的效率。
With an addition of La, the sample C particles has a prismatic shape with an uneven distribution and a relatively loose aggregation. As shown in the figure, the sample D particles, La-CdS/TiO2, also has a prismatic shape but with an even distribution and a loose structure. That is suitable for absorbing the substrate methyl orange and increasing the contact area between the samples. As a result, the efficiency of light-catalyzed reaction could be enhanced. |
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