求翻译😂，人工的，非常感谢！！！ CdS是一种研究广泛的光催化剂，但纯CdS的光催
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CdS is a kind of study a wide range of photocatalyst, but pure CdS photocatalytic efficiency is low, easy light corrosion in aqueous solution. Will help catalyst modification on the surface of CdS, can effectively improve the photocatalytic efficiency and stability of the CdS, become a kind of effective means of CdS modification. But the current research of cocatalyst more major is precious metals such as Pt, Pd and Au and Rh). They are expensive and scarce, not conducive to large-scale practical applications, therefore, need further research of new type high efficiency, low cost of catalytic materials. Therefore, transition metal ions by its unique superiority into the line of sight of people.
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