Pd_(x)S_(y)材料的制备及其在催化领域的研究进展

Research progresses on the preparation and application of Pd_(x)S_(y) catalysts

在催化领域,Pd_(x)S_(y)多年来一直被认为是金属钯中毒形成的不良产物而不受重视。但是近年来,Pd_(x)S_(y)材料被发现在催化加氢、催化氧化、电催化以及可见光催化制氢方面表现出独特的催化性能。本文比较了Pd_(x)S_(y)材料的传统制备方法和绿色创新合成技术,综述了Pd_(x)S_(y)材料作为催化剂在催化加氢、催化氧化、电催化以及可见光催化制氢方面的研究工作。比较发现,Pd_(x)S_(y)材料的传统制备方法存在毒害大、三废多、周期长等缺点,这些缺点在很大程度上限制了该材料的发展前景,需要在制备方法上进行更深入的创新研究。同时,Pd_(x)S_(y)材料在多个催化领域,尤其是在可见光催化制氢方面的优异性能,使其在催化材料领域备受关注。

Pd_(x)S_(y)is regarded as a undesirable product of metal palladium poisoning by sulfur-containing compounds,and hence has not received much attentions for many years.But in recent years,Pd_(x)S_(y)material has been found to exhibit unique catalytic performance in catalytic hydrogenation,catalytic oxidation,electrocatalysis and visible light catalytic hydrogen production.In this paper,the traditional preparation method of Pd_(x)S_(y)material and the new green synthesis technology are compared.The research work of Pd_(x)S_(y)as catalyst in catalytic hydrogenation,catalytic oxidation,electrocatalysis and visible light catalysis for hydrogen production is also reviewed.It is found that traditional preparation method of Pd_(x)S_(y)material has the drawbacks of high toxicity,serious pollution,long cycle,etc.,which has greatly limited its development prospect,so more in-depth innovative researches on the preparation method are required.At the same time,the excellent performance of Pd_(x)S_(y)material in many catalytic applications,especially in visible light photocatalytic hydrogen production,makes it a very promising catalytic material.