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首页> 外文期刊>Current Science: A Fortnightly Journal of Research >Effect of heteropolyaci and its route of incorppration on the photocatalytic properties of zeolite-based materials
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Effect of heteropolyaci and its route of incorppration on the photocatalytic properties of zeolite-based materials

机译：杂多酸及其结合途径对沸石基材料光催化性能的影响

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摘要

Heteropolyacids (HPAs) are known to be excellent re-dox catalysts. In combination with TiOi, HPAs can be used as photocatalysts active in visible light. The HPA accepts electron and get reduced to heteropolyblue (HPB) that can absorb light in the visible range. HPA can be incorporated onto the external surface or in the pores of zeolite-Y. Zeolite-based composite photocatalysts have been designed by incorporation of HPA, semiconductor TiO_2 and transition metal cobalt on zeolite. This composite metallozeolite photocatalyst is efficient in photoreduction of methyl orange (MO) in visible light to the tune of 4.11 mg of MO photore-duced/g TiO_2. This catalyst also shows encouraging results for hydrogen evolution from water to the tune of 2730 mu mol/h/g TiO_2.
机译：杂多酸（HPA）已知是出色的再氧化催化剂。与TiOi结合使用，HPA可用作可见光中具有活性的光催化剂。 HPA接受电子并还原为可吸收可见光范围内的杂多蓝（HPB）。 HPA可掺入到Y型沸石的外表面或孔中。通过在沸石上掺入HPA，半导体TiO_2和过渡金属钴，设计出了基于沸石的复合光催化剂。这种复合沸石沸石光催化剂可有效地在可见光中将甲基橙（MO）光还原为4.11 mg MO光还原/ g TiO_2。该催化剂还显示出令人鼓舞的结果，表明氢从水中逸出至2730μmol / h / g TiO_2。

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