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学者姓名：杨新拓
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Abstract ：
Hydrogen peroxide (H2O2) plays a crucial role in various applications, such as green oxidation processes and the production of high-quality fuels. Currently, H2O2 is primarily manufactured using the indirect anthraquinone method, known for its significant energy consumption and the generation of intensive by-products. Extensive research has been conducted on the photocatalytic production of H(2)O(2)via oxygen reduction reaction (ORR), with polymeric carbon nitride (PCN) emerging as a promising catalyst for this conversion. This review article is organized around two approaches. The first part main consists of the chemical optimization of the PCN structure, while the second focuses on the physical integration of PCN with other functional materials. The objective is to clarify the correlation between the physicochemical properties of PCN photocatalysts and their effectiveness in H2O2 production. Through a thorough review and analysis of the findings, this article seeks to stimulate new insights and achievements, not only in the domain of H2O2 production via ORR but also in other redox reactions.
Keyword ：
H2O2 H2O2 Hybrid structure Hybrid structure Oxygen reduction reaction Oxygen reduction reaction Photocatalysis Photocatalysis Polymeric carbon nitride Polymeric carbon nitride
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| GB/T 7714 | Zheng, Dandan , Wu, Yahan , Yang, Xintuo et al. Developing Polymeric Carbon Nitrides for Photocatalytic H2O2 Production [J]. | CHEMSUSCHEM , 2024 , 17 (20) . |
| MLA | Zheng, Dandan et al. "Developing Polymeric Carbon Nitrides for Photocatalytic H2O2 Production" . | CHEMSUSCHEM 17 . 20 (2024) . |
| APA | Zheng, Dandan , Wu, Yahan , Yang, Xintuo , Wang, Sibo , Fang, Yuanxing . Developing Polymeric Carbon Nitrides for Photocatalytic H2O2 Production . | CHEMSUSCHEM , 2024 , 17 (20) . |
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Abstract ：
The integration of heterogeneous photocatalysts with nickel catalysis is garnering considerable interest for their capacity to enable distinct metal-photoredox processes for organic synthesis. However, the challenge about robustness and recyclability of the photocatalyst persists. Herein, a crystalline carbon nitride (MCN-B) photocatalyst with intentionally introduced defects and a dedicated designed active site has been presented. Results reveal by incorporating the deprotonated cyano-group (N--CN) sites, this host material could provide stable binding sites for Ni (II) ions through the Hard-Soft Acid-Base (HSAB) effect, thereby facilitating charge transmission between semiconductor and metal centers. Consequently, the integrated carbon nitride nickel (Ni/MCNB) heterogeneous photocatalyst demonstrates high effectiveness in diverse photocatalytic C-N coupling reactions (21 examples, up to 93% yield) under conditions free from organic ligands and additives, which shows competent performance to the homogeneous catalysts. Moreover, the Ni/MCN-B catalyst demonstrates remarkable recyclability, maintaining its photoredox efficiency after 10 cycles with minimal loss of activity and a diminished metal leaching rate, which signifies a substantial advancement in the field of photocatalytic system design.
Keyword ：
Carbon nitride Carbon nitride Cross-coupling Cross-coupling Crystalline polymer Crystalline polymer Photocatalysis Photocatalysis
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| GB/T 7714 | Zhang, Huali , Chen, Xiaoxiao , Cheng, Jiajia et al. Heterogeneous metallaphotocatalytic Cross-Coupling reactions by a carbon Nitride-Nickel catalyst [J]. | JOURNAL OF CATALYSIS , 2024 , 433 . |
| MLA | Zhang, Huali et al. "Heterogeneous metallaphotocatalytic Cross-Coupling reactions by a carbon Nitride-Nickel catalyst" . | JOURNAL OF CATALYSIS 433 (2024) . |
| APA | Zhang, Huali , Chen, Xiaoxiao , Cheng, Jiajia , Yang, Xintuo , Lin, Wei , Hou, Yidong et al. Heterogeneous metallaphotocatalytic Cross-Coupling reactions by a carbon Nitride-Nickel catalyst . | JOURNAL OF CATALYSIS , 2024 , 433 . |
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