Enhanced Photocatalytic Performance of g-C3N4 Decorated with MOF-Derived Hollow ZnS Polyhedrons. Issue 1 (March 2020)

• Record Type: Journal Article
• Authors: Si, Ying; Zhang, Xiaoxian; Liang, Tingting; Duo, Shuwang; Liu, Huan; Li, Ping
• Is Part Of: IOP conference series. Volume 774:Issue 1(2020)
• Publication Date: 2020-03
• Subjects: Materials science -- Periodicals; 620.1105
• DOI: 10.1088/1757-899X/774/1/012039
• Languages: English
• ISSNs: 1757-8981

Abstract

Abstract: The low separation rate of photo-generated e − -h + pairs is one of the important elements leading to poor performance of semiconductor photocatalysts. The construction of heterojunctions is an effective method to separate e − -h + pairs. For the purpose of addressing the efficient visible light driven photocatalysts, we construct a g-C3 N4 /ZnS heterojunction by a facile in-situ synthetic method. The as-obtained productions were characterized by XRD, UV-vis DRS and PL. Different weight ratios of g-C3 N4 /ZnS were prepared and g-C3 N4 /ZnS-8:1 displayed the highest photo activity for MO degradation. It is capable of declining 74.4% of MO within 160 min, O2 − and h + play a most important function in the reaction. The enhancement of photocatalytic performance is ascribed to the formation of heterojunction, which promotes the separation of photo-generated e − -h + pairs.