郑州大学学报（理学版）2017，Vol.49Issue(1)：85-91,7.DOI:10.13705/j.issn.1671-6841.2016254
复合催化剂NiS/g-C3N4的制备及光催化产氢性能
The Preparation and Photocatalytic Hydrogen Production ofComposite Catalyst NiS/g-C3N4
摘要
Abstract
A composite catalyst NiS/g-C3N4 (g-C3N4=graphitic carbon nitride) was prepared via in situ template-free ion-exchange method, and its composition, morphology and photophysical properties were characterized by X-ray diffraction, transmission electron microscope, UV-Vis diffuse reflection spectroscopy and infrared spectrum, and so on.Then a non-noble metal photocatalytic hydrogen evolution system was constructed by using cheap organic dye, such as eosin Y (EY), neutral red (NR) as photosensitizer, triethanolamine (TEOA) as sacrificial agent, and the H2-evolving conditions, such as the loading amount of NiS, the variety and concentration of photosensitizer, the volume fraction of sacrificial agent and the pH value of the system were optimized.The results showed that the loading of NiS on g-C3N4 and introducing of sensitizer EY could result in significant improvements on the H2-evolving activity.Moreover, the reaction mechanism of this photocatalytic hydrogen evolution system based on the fluorescence properties of pure g-C3N4 and NiS/g-C3N4 composite catalysts was speculated.关键词
光催化产氢/染料敏化/NiS/g-C3N4/原位离子交换Key words
photocatalytic hydrogen evolution/dye-sensitization/NiS/g-C3N4/in situ ion-exchange分类
化学化工引用本文复制引用
尹明彩,吴朝军,郑鹏飞,贾芳芳,李献强..复合催化剂NiS/g-C3N4的制备及光催化产氢性能[J].郑州大学学报（理学版）,2017,49(1):85-91,7.基金项目
国家自然科学基金项目(21171147). （21171147）
