纳米棒
石墨氮化碳
分解水
材料科学
析氧
过电位
电催化剂
X射线光电子能谱
氮化碳
催化作用
化学工程
氮化物
拉曼光谱
水热合成
碳纤维
热液循环
纳米技术
复合数
复合材料
化学
电化学
光催化
物理化学
电极
工程类
物理
光学
生物化学
图层(电子)
作者
Imtiaz Ahmed,Rathindranath Biswas,Ranjit A. Patil,Krishna Kamal Halder,Harjinder Singh,Biplab Banerjee,Bhupender Kumar,Yuan‐Ron Ma,Krishna Kanta Haldar
出处
期刊:ACS applied nano materials
[American Chemical Society]
日期:2021-10-22
卷期号:4 (11): 12672-12681
被引量:51
标识
DOI:10.1021/acsanm.1c03238
摘要
We have prepared a graphitic carbon nitride (g-C3N4) composite with MoO3-decorated Co3O4 nanorods (Co3O4/MoO3/g-C3N4) via the hydrothermal approach, and this hybrid material acts as a highly active and durable electrocatalyst for water splitting reactions. This material could fundamentally influence the catalytic processes and performance of oxygen evolution reaction (OER) and hydrogen evolution reaction (HER). The OER and HER activities of Co3O4-/MoO3-based nanorods are enhanced by blending with conducting support, for example, graphitic carbon nitrides (g-C3N4). The X-ray diffraction pattern and the attenuated total reflectance-Fourier transform infrared data revealed that the as-synthesized nanorods are highly crystalline in nature and are attached to the g-C3N4 support. Transmission electron microscopy, X-ray photoelectron spectroscopy, and Raman spectroscopy studies also affirm the successful heterointerface formation between Co3O4/MoO3 nanorods and g-C3N4. This Co3O4/MoO3/g-C3N4 rod-shaped catalyst is highly stable in comparison to its individual constituent and generates a current density of 10 mA cm–2 at a low overpotential of 206 mV for OER and 125 mV for HER in alkaline and acidic media, respectively. This work could pave the way for developing Co3O4/MoO3/g-C3N4 composite materials as electrocatalysts for overall water splitting reactions.
科研通智能强力驱动
Strongly Powered by AbleSci AI