光催化
石墨氮化碳
化学
光化学
吸收(声学)
氮化物
炭黑
太阳能燃料
金属
可见光谱
人工光合作用
红外线的
磷
氮化碳
碳纤维
分解水
催化作用
材料科学
光电子学
光学
有机化学
复合数
复合材料
天然橡胶
物理
图层(电子)
作者
Mingshan Zhu,Sooyeon Kim,Liang Mao,Mamoru Fujitsuka,Junying Zhang,Xinchen Wang,Tetsuro Majima
摘要
In the drive toward green and sustainable chemistry, exploring efficient and stable metal-free photocatalysts with broadband solar absorption from the UV to near-infrared region for the photoreduction of water to H2 remains a big challenge. To this end, a binary nanohybrid (BP/CN) of two-dimensional (2D) black phosphorus (BP) and graphitic carbon nitride (CN) was designed and used as a metal-free photocatalyst for the first time. During irradiation of BP/CN in water with >420 and >780 nm light, solid H2 gas was generated, respectively. Owing to the interfacial interaction between BP and CN, efficient charge transfer occurred, thereby enhancing the photocatalytic performance. The efficient charge-trapping and transfer processes were thoroughly investigated with time-resolved diffuse reflectance spectroscopic measurement. The present results show that BP/CN is a metal-free photocatalyst for artificial photosynthesis and renewable energy conversion.
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