ZCS/ZS/PS/FePi-MnCoNiO的合成及其光催化全分解水性质研究  

Preparation of ZCS/ZS/PS/FePi-MnCoNiO for Photocatalytic Overall Water Splitting

作　　者：尹龙 宋金刚 Yin Long;Song Jingang(Jinan Hebeier Health Products Co.,Ltd.,Jinan 250001,China;School of Chemical Engineering and Energy Technology,Dongguan University of Technology,Dongguan 523808,China)

机构地区：[1]济南荷贝尔保健制品有限公司,山东济南250001 [2]东莞理工学院化学工程与能源技术学院,广东东莞523808

出　　处：《山东化工》2022年第23期51-53,56,共4页Shandong Chemical Industry

基　　金：东莞理工学院博士科研启动经费项目(196100041142);粤莞区域联合基金-青年基金项目(2019A1515111013)。

摘　　要：通过溶剂热方法制备了Zn0.4Cd0.6S/ZnS(en)0.5异质结材料(ZCS/ZS)。在氩气氛围下,150℃煅烧材料2 h后,进一步利用两步光化学方法在异质结材料表面合成了磷盐保护层(PS)及磷酸铁(FePi)和氧化锰钴镍(MnCoNiO)催化剂材料。利用XRD、SEM、EDX-Mapping等多种手段,对所制的ZCS/ZS/PS/FePi-MnCoNiO样品的晶体结构、形貌及元素组成等参数进行了详细表征。将催化剂进行光催化分解纯水测试,发现:ZCS/ZS/PS/FePi-MnCoNiO样品在可见光照射下,能以0.212 mmol·h^(-1)·g^(-1)的产氢速率、0.103 mmol·h^(-1)·g^(-1)的产氧速率光催化全分解水,产生的H_(2)∶O_(2)物质的量比接近理论比例2∶1。In this paper,a novel heterojunction material,namely Zn0.4Cd0.6S/ZnS(en)0.5(ZCS/ZS),was prepared by a facile solvothermal method,which was calcined further in a tube furnace at 150℃for 2 hours under Ar atmosphere.A phosphorus salt(PS)protection layer and FePi and MnCoNiO cocatalysts was synthesized on ZCS/ZS by a simple two-step photochemical strategy.The crystal structure,morphology and composition of as-prepared ZCS/ZS/PS/FePi-MnCoNiO sample was researched in detail by XRD,SEM and EDX-Mapping techniques,respectively.The prepared ZCS/ZS/PS/FePi-MnCoNiO photocatalyst displays an average hydrogen and oxygen evolution rate of 0.212 mmol·h^(-1)·g^(-1)and 0.103 mmol·h^(-1)·g^(-1)in photocatalytic overall water splitting,which is close to stoichiometric ratio of 2∶1.

关 键 词：异质结材料 光化学 光催化全分解水 

分 类 号：O643.36[理学—物理化学]