石墨烯
氧化物
分解水
光催化
材料科学
氮化碳
石墨氮化碳
碳纤维
氮化物
催化作用
化学工程
纳米技术
化学
复合数
复合材料
图层(电子)
冶金
生物化学
工程类
作者
Zhiming Pan,Guigang Zhang,Xinchen Wang
标识
DOI:10.1002/anie.201902634
摘要
The charge transfer between hydrogen evolution photocatalysts (HEPs) and oxygen evolution photocatalysts (OEPs) is the rate-determining step that controls the overall performance of a Z-scheme water-splitting system. Here, we carefully design reduced graphene oxide (RGO) nanosheets for use as solid-state mediators to accelerate the charge carrier transfer between HEPs (e.g., polymeric carbon nitride (PCN)) and OEPs (e.g., Fe2 O3 ), thus achieving efficient overall water splitting. The important role of RGO could also be further proven in other PCN-based Z-systems (BiVO4 /RGO/PCN and WO3 /RGO/PCN), illustrating the universality of this strategy.
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