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quzhaojuan

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¿´ÁËһƪÎÄÏ×ÉÏÖÆ±¸N-doped TiO2
TiCl3¼ÓNa2S £¬ÔÙ¼Ó°±Ë®³Áµí·´Ó¦ÎªÊ²Ã´¾Í»áµÃµ½ N-doped TiO2 £¬Na2SµÄ×÷ÓÃÊÇʲô
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For the typical synthesis of the N-doped TiO2 powders, 50 mL
of 15% titanium trichloride£¨48.6 mmol) was mixed with 50 mL
of Na2S solution (51.2 mmol). The pH of this acidic solution was
adjusted to 8.5 by slow addition of diluted NH3 solution. The
precipitate formed at this pH was continuously stirred for 4 h. The
precipitate was filtered and washed with double distilled water until
the filtrate was free from chloride and sulfide ions. The oxide was
calcined at different temperatures, viz., 400, 500, and 600 ¡ãC, for
4 h in air. Pure TiO2 was also prepared by a similar procedure
without the addition of Na2S solution.
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yuran15137

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Originally posted by quzhaojuan at 2011-05-06 15:28:47:
¿´ÁËһƪÎÄÏ×ÉÏÖÆ±¸N-doped TiO2
TiCl3¼ÓNa2S £¬ÔÙ¼Ó°±Ë®³Áµí·´Ó¦ÎªÊ²Ã´¾Í»áµÃµ½ N-doped TiO2 £¬Na2SµÄ×÷ÓÃÊÇʲô
Ô­ÎĵÄʵÑ鲿·ÖÊÇÕâÑùдµÄ
For the typical synthesis of the N-doped TiO2 powders, 50 mL ...

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