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½û³æ (Ö°Òµ×÷¼Ò)
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·çÓê182(½ð±Ò+10, ·ÒëEPI+1): 2010-07-28 20:28:14
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ÑùÆ·c²ôÔÓLaºó£¬ÑùÆ·³Ê°ô×´£¬ÇÒ·ÖÉ¢½ÏÅîËÉ£¬µ«´óС·Ö²¼²»¾ù£»ÑùÆ·dΪLa-CdS/TiO2£¬´ÓͼÖпɿ´³ö£¬ÑùÆ·Ò²³Ê°ô×´£¬·ÖÈöÅîËÉÇÒ´óС¾ùÔÈ£¬ÓÐÀûÓÚÎü¸½µ×Îï¼×»ù³È£¬Ôö´ó¶þÕßÖ®¼äµÄ½Ó´¥Ãæ»ý£¬½ø¶øÌá¸ß¹â´ß»¯·´Ó¦µÄЧÂÊ¡£ 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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