In Situ Synthesis of Cu3P/P-Doped g-C3N4 Tight 2D/2D Heterojunction Boosting Photocatalytic H2 Evolution†
Fangyong Hou
International Research Center for Renewable Energy & State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi, 710049 China
‡ These authors contribute equally.
† Dedicated to the Special Issue of Emerging Investigators in 2022.
Search for more papers by this authorFeng Liu
International Research Center for Renewable Energy & State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi, 710049 China
‡ These authors contribute equally.
† Dedicated to the Special Issue of Emerging Investigators in 2022.
Search for more papers by this authorHaochen Wu
International Research Center for Renewable Energy & State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi, 710049 China
‡ These authors contribute equally.
† Dedicated to the Special Issue of Emerging Investigators in 2022.
Search for more papers by this authorMuhammad Qasim
International Research Center for Renewable Energy & State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi, 710049 China
School of Electronic Engineering, Jiujiang University, Jiujiang, Jiangxi, 332005 China
Search for more papers by this authorYi Chen
Gree Altairnano New Energy Inc, Zhuhai, Guangdong, 519040 China
Search for more papers by this authorYang Duan
Gree Altairnano New Energy Inc, Zhuhai, Guangdong, 519040 China
Search for more papers by this authorZhibo Feng
Gree Altairnano New Energy Inc, Zhuhai, Guangdong, 519040 China
Search for more papers by this authorCorresponding Author
Maochang Liu
International Research Center for Renewable Energy & State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi, 710049 China
Gree Altairnano New Energy Inc, Zhuhai, Guangdong, 519040 China
Suzhou Academy of Xi'an Jiaotong University, Suzhou, Jiangsu, 215123 China
*E-mail: [email protected]Search for more papers by this authorFangyong Hou
International Research Center for Renewable Energy & State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi, 710049 China
‡ These authors contribute equally.
† Dedicated to the Special Issue of Emerging Investigators in 2022.
Search for more papers by this authorFeng Liu
International Research Center for Renewable Energy & State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi, 710049 China
‡ These authors contribute equally.
† Dedicated to the Special Issue of Emerging Investigators in 2022.
Search for more papers by this authorHaochen Wu
International Research Center for Renewable Energy & State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi, 710049 China
‡ These authors contribute equally.
† Dedicated to the Special Issue of Emerging Investigators in 2022.
Search for more papers by this authorMuhammad Qasim
International Research Center for Renewable Energy & State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi, 710049 China
School of Electronic Engineering, Jiujiang University, Jiujiang, Jiangxi, 332005 China
Search for more papers by this authorYi Chen
Gree Altairnano New Energy Inc, Zhuhai, Guangdong, 519040 China
Search for more papers by this authorYang Duan
Gree Altairnano New Energy Inc, Zhuhai, Guangdong, 519040 China
Search for more papers by this authorZhibo Feng
Gree Altairnano New Energy Inc, Zhuhai, Guangdong, 519040 China
Search for more papers by this authorCorresponding Author
Maochang Liu
International Research Center for Renewable Energy & State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi, 710049 China
Gree Altairnano New Energy Inc, Zhuhai, Guangdong, 519040 China
Suzhou Academy of Xi'an Jiaotong University, Suzhou, Jiangsu, 215123 China
*E-mail: [email protected]Search for more papers by this authorComprehensive Summary
Heterojunction design in a two-dimensional (2D) fashion has been deemed beneficial for improving the photocatalytic activity of g-C3N4 because of the promoted interfacial charge transfer, yet still facing challenges. Herein, we construct a novel 2D/2D Cu3P nanosheet/P-doped g-C3N4 (PCN) nanosheet heterojunction photocatalyst (PCN/Cu3P) through a simple in-situ phosphorization treatment of 2D/2D CuS/g-C3N4 composite for photocatalytic H2 evolution. We demonstrate that the 2D lamellar structure of both CuS and g-C3N4 could be well reserved in the phosphorization process, while CuS and g-C3N4 in-situ transformed into Cu3P and PCN, respectively, leading to the formation of PCN/Cu3P tight 2D/2D heterojunction. Owing to the large contact area provided by intimate face-to-face 2D/2D structure, the PCN/Cu3P photocatalyst exhibits significantly enhanced charge separation efficiency, thus achieving a boosted visible-light-driven photocatalytic behavior. The highest rate for H2 evolution reaches 5.12 μmol·h–1, nearly 24 times and 368 times higher than that of pristine PCN and g-C3N4, respectively. This work represents an excellent example in elaborately constructing g-C3N4-based 2D/2D heterostructure and could be extended to other photocatalyst/co-catalyst system.
Supporting Information
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Appendix S1: Supporting Information |
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