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In present paper, the effects of synthesis and reaction conditions on the physicochemeical properties and photo-activities of catalysts were investigated and discussed. some discussions were also paid to how to improve the hydrogen yields by photochemical water splitting. The photo-activity conditions were optimized to produce the nanosized photocatalyst with high activities.
6Â¥2013-06-01 12:46:45
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several batchs of photocatalysts were prepared by hydro-thermal method with variant PH values and ¸ºÔØÁ¿¡£ZnIn2S4/ K2La2¬Ti3O10 was also prepared by using K2La2¬Ti3O10.

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photocatalysts are chatercterized by x-ray diffraction, scanning microscopy and UV-vis diffuse reflections. surface morphologies, chemical compositions, crystallographic structure, partical sizes, porous size distributions(? ¿×¾¶·Ö²¼), specific surface, bond gap energy, and Optical absorption properties were also investigated.
7Â¥2013-06-01 13:03:58
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С³æ¿ìÅÜ: ½ð±Ò+50, ·­ÒëEPI+1, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸ 2013-06-02 08:04:59
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The results indicates that the nanosized ZnIn2S4/ K2La2¬Ti3O10 catalysts were synthesized with good stability. With increased PH value, the photocatalyst activity were reduced. with more amount of ¸ºÔØÁ¿, the photocatalyst activity was increased at beginning and then decreased. by hydrothermal method, the optimized stablity and photocatalyst activity were achieved at 160oC, PH=1 and 25% ¸ºÔØÁ¿¡£
8Â¥2013-06-01 13:52:02
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