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学者姓名：汪思波
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Abstract ：
Polymeric carbon nitrides (PCNs), usually the melon phase, have been extensively applied as photocatalysts for CO2 reduction; however, their performance is still unsatisfactory. The condensed allotrope, namely, poly(triazine imide) (PTI) with extended conjugation and a crystallized structure, indeed holds more favorable compositional and structural advantages for photocatalytic CO(2)reduction but remains to be fully exploited. Herein, hexagonal prism-shaped PTI crystals were synthesized and developed as a high-performance photocatalyst for CO2 reduction. With Co(bpy)(3) (2+) as a cocatalyst, the PTI crystals exhibit a CO evolution rate of 44 mu mol h(-1) (i.e., 1467 mu mol g(-1) h(-1)) with 93% selectivity, markedly superior to that of the melon counterpart. Moreover, PTI crystals manifest an apparent quantum efficiency of 12.9% at 365 nm, representing the state-of-the-art value by PCN photocatalysts for CO2-to-CO reduction without using noble metals. The surface pyridine N species of PTI are exposed as active sites to dominate CO2 activation and conversion, which, together with the high crystallinity to facilitate charge separation and transport, endows high CO2 reduction efficiency. In situ diffuse reflectance infrared Fourier transform spectroscopy determines the key intermediates during the CO2 reduction reaction and, consequently, constructs the possible reaction mechanism.
Keyword ：
active sites active sites carbon nitride carbon nitride CO2 reduction CO2 reduction photocatalysis photocatalysis poly(triazineimide) poly(triazineimide) pyridine nitrogen pyridine nitrogen
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| GB/T 7714 | Liu, Feng , Deng, Jing , Su, Bo et al. Poly(triazine imide) Crystals for Efficient CO2 Photoreduction: Surface Pyridine Nitrogen Dominates the Performance [J]. | ACS CATALYSIS , 2025 , 15 (2) : 1018-1026 . |
| MLA | Liu, Feng et al. "Poly(triazine imide) Crystals for Efficient CO2 Photoreduction: Surface Pyridine Nitrogen Dominates the Performance" . | ACS CATALYSIS 15 . 2 (2025) : 1018-1026 . |
| APA | Liu, Feng , Deng, Jing , Su, Bo , Peng, Kang-Shun , Liu, Kunlong , Lin, Xiahui et al. Poly(triazine imide) Crystals for Efficient CO2 Photoreduction: Surface Pyridine Nitrogen Dominates the Performance . | ACS CATALYSIS , 2025 , 15 (2) , 1018-1026 . |
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Lattice oxygen (LO)-mediated photothermal dry reforming of methane (DRM) presents a promising approach to syngas production. However, realizing high DRM efficiency and durability remains challenging due to the difficulty in activating LOs in catalysts. Herein, we demonstrate that partially substituting Fe sites in perovskite ferrite (LaFeO3) by Mn triggers LOs, bestowing the catalyst with superior activity and stability for photothermal DRM after modification with Ru. The Mn exchange induces a charge transfer from La to Mn, which combined with the incoming photoexcited electrons reconstructs the perovskite’s electronic structure, weakening the La-O-Mn bonds and facilitating the LO migration. Meanwhile, photogenerated holes migrate to surface LOs, further enhancing their reactivity to mediate DRM. Under light irradiation, the catalyst exhibits an outstanding syngas production rate (H2: 42.89 mol gRu-1 h-1, CO: 54.92 mol gRu-1 h-1) while stably operating over 150 h. It also achieves a methane turnover frequency of 0.9 s-1 and a light-to-chemical energy efficiency of 15.3%, setting a benchmark for light-driven DRM performance. This work underscores the significance of exact site doping in metal oxides to fine-tune LO activity, providing valuable guidance for fabricating efficient catalysts for solar-powered redox reactions proceeded via the light-supported Mars-van Krevelen mechanism. © 2025 American Chemical Society.
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| GB/T 7714 | Li, J. , Zhao, J. , Wang, S. et al. Activating Lattice Oxygen in Perovskite Ferrite for Efficient and Stable Photothermal Dry Reforming of Methane [J]. | Journal of the American Chemical Society , 2025 . |
| MLA | Li, J. et al. "Activating Lattice Oxygen in Perovskite Ferrite for Efficient and Stable Photothermal Dry Reforming of Methane" . | Journal of the American Chemical Society (2025) . |
| APA | Li, J. , Zhao, J. , Wang, S. , Peng, K.-S. , Su, B. , Liu, K. et al. Activating Lattice Oxygen in Perovskite Ferrite for Efficient and Stable Photothermal Dry Reforming of Methane . | Journal of the American Chemical Society , 2025 . |
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Among the current industrial hydrogen production technologies, electrolysis has attracted widespread attention due to its zero carbon emissions and sustainability. However, the existence of overpotential caused by reaction activation, mass/charge transfer, etc. makes the actual water splitting voltage higher than the theoretical value, severely limiting the industrial application of this technology. Therefore, it is particularly important to design and develop highly efficient electrocatalysts to reduce overpotential and improve energy efficiency. Among the various synthesis methods of electrocatalysts, electrochemical synthesis stands out due to its simplicity, easy reaction control, and low cost. This review article classifies and summarizes the electrochemical synthesis techniques (including electrodeposition, electrophoretic deposition, electrospinning, anodic oxidation, electrochemical intercalation, and electrochemical reconstruction), followed by their application in the field of water electrolysis. In addition, some challenges currently faced by electrochemical synthesis in electrocatalytic hydrogen production, and their potential solutions are discussed to promote the practical application of electrochemical synthesis in water electrolysis.Graphical AbstractThis review summarizes and classifies commonly used electrochemical synthesis techniques, followed by the application of electrochemical synthesis methods in research on water electrolysis. Additionally, some challenges faced by electrochemical synthesis in the field of water electrolysis and possible solutions are discussed.
Keyword ：
Electrocatalysts Electrocatalysts Electrochemical synthesis Electrochemical synthesis Green hydrogen Green hydrogen Water splitting Water splitting
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| GB/T 7714 | Wu, Yang , Xiao, Boxin , Liu, Kunlong et al. Electrochemical Synthesis of High-Efficiency Water Electrolysis Catalysts [J]. | ELECTROCHEMICAL ENERGY REVIEWS , 2025 , 8 (1) . |
| MLA | Wu, Yang et al. "Electrochemical Synthesis of High-Efficiency Water Electrolysis Catalysts" . | ELECTROCHEMICAL ENERGY REVIEWS 8 . 1 (2025) . |
| APA | Wu, Yang , Xiao, Boxin , Liu, Kunlong , Wang, Sibo , Hou, Yidong , Lu, Xue Feng et al. Electrochemical Synthesis of High-Efficiency Water Electrolysis Catalysts . | ELECTROCHEMICAL ENERGY REVIEWS , 2025 , 8 (1) . |
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Presented herein are the delicate design and synthesis of S-scheme NiTiO3 /CdS heterostructures composed of CdS nanoparticles anchored on the surface of NiTiO3 nanorods for photocatalytic CO2 reduction. Systematic physicochemical studies demonstrate that NiTiO3 /CdS hybrid empowers superior light absorption and enhanced CO2 capture and activation. Electron spin resonance validates that the charge carriers in NiTiO3 /CdS follow a S-scheme transfer pathway, which powerfully impedes their recombination and promotes their separation. Importantly, the photogenerated holes on CdS are effectively consumed at the hero-interface by the electron from NiTiO3 , preventing the photo-corrosion of the metal sulfide. As a result, with Co(bpy)3 2 + as a cocatalyst, NiTiO3 /CdS displays a considerable performance for CO2 reduction, affording a high CO yield rate of 20.8 mu mol h-1 . Moreover, the photocatalyst also manifests substantial stability and good reusability for repeated CO2 reaction cycles in the created tandem photochemical system. In addition, the possible CO2 photoreduction mechanism is constructed on the basis of the intermediates monitored by in-situ diffuse reflectance infrared Fourier transform spectroscopy. (c) 2025 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
Keyword ：
CO 2 reduction CO 2 reduction Heterojunction Heterojunction NiTiO3 NiTiO3 Photocatalysis Photocatalysis S-scheme S-scheme
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| GB/T 7714 | Cai, Junjian , Li, Xinyu , Su, Bo et al. Rational design and fabrication of S-scheme NiTiO3 /CdS heterostructures for photocatalytic CO2 reduction [J]. | JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY , 2025 , 234 : 82-89 . |
| MLA | Cai, Junjian et al. "Rational design and fabrication of S-scheme NiTiO3 /CdS heterostructures for photocatalytic CO2 reduction" . | JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 234 (2025) : 82-89 . |
| APA | Cai, Junjian , Li, Xinyu , Su, Bo , Guo, Binbin , Lin, Xiahui , Xing, Wandong et al. Rational design and fabrication of S-scheme NiTiO3 /CdS heterostructures for photocatalytic CO2 reduction . | JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY , 2025 , 234 , 82-89 . |
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As a crystalline allotrope of carbon nitrides, poly (heptazine imide) (PHI) exhibits great potential for photocatalytic reforming of biomass-derived alcohols. However, its activity is greatly constrained due to insufficient charge migration and severe non-radiative recombination. To address this issue, PHI with high interlayer stacking orderliness is fabricated through a facile ion exchange strategy. Characterizations reveal that rational modification of the interlayer stacking mode of PHI could efficiently suppress non-radiative recombination and improve charge transfer efficiency. Accordingly, the optimal sample exhibits high photocatalytic reforming activity for H2 evolution, which is up to 2.16 mmolg-1h-1, and with a quantum efficiency reaches 26.7% at 400 nm.
Keyword ：
Biomass conversion Biomass conversion Hydrogen production Hydrogen production Interlayer stacking modes Interlayer stacking modes Nonradiative recombination Nonradiative recombination Poly heptazine imide Poly heptazine imide
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| GB/T 7714 | Sun, Qiqi , Cheng, Xiaohong , Qie, Mingyang et al. Photocatalytic Reforming of Methanol Over Poly Heptazine Imide: Interlayer Stacking Modification Induced Rapid Charge Transfer [J]. | CHEMCATCHEM , 2025 . |
| MLA | Sun, Qiqi et al. "Photocatalytic Reforming of Methanol Over Poly Heptazine Imide: Interlayer Stacking Modification Induced Rapid Charge Transfer" . | CHEMCATCHEM (2025) . |
| APA | Sun, Qiqi , Cheng, Xiaohong , Qie, Mingyang , Pan, Zhiming , Li, Guosheng , Zhang, Xirui et al. Photocatalytic Reforming of Methanol Over Poly Heptazine Imide: Interlayer Stacking Modification Induced Rapid Charge Transfer . | CHEMCATCHEM , 2025 . |
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Proton exchange membrane water electrolysis (PEMWE) technology is seen as the most compatible hydrogen production technology with renewable energy generation. However, the sluggish kinetics of the anodic oxygen evolution reaction (OER) and the scarcity of acid-resistant, high-activity, and low-cost catalysts have seriously hindered the overall efficiency and manufacturing costs of PEMWE. Recently, ruthenium (Ru)-based materials have gradually attracted attention due to their suitable binding strength toward oxygen intermediates and lowest price in the noble metal family. Herein, the great achievements and progress of Ru-based acidic OER electrocatalysts are comprehensively reviewed, which started with a general description of reaction mechanisms and in situ characterization techniques to understand the structure-activity relationships. Subsequently, some typical strategies to enhance the activity and stability of Ru-based electrocatalysts are highlighted. Insights from synthesis methods, advanced characterizations, intermediate evolution, and theoretical calculations are provided, together with our viewpoints on the daunting challenges and future endeavors of Ru-based OER electrocatalysts for their practical employment. © 2024 American Chemical Society.
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| GB/T 7714 | Li, J. , Zeng, J. , Zhao, F. et al. A Review on Highly Efficient Ru-Based Electrocatalysts for Acidic Oxygen Evolution Reaction [J]. | Energy and Fuels , 2024 , 38 (13) : 11521-11540 . |
| MLA | Li, J. et al. "A Review on Highly Efficient Ru-Based Electrocatalysts for Acidic Oxygen Evolution Reaction" . | Energy and Fuels 38 . 13 (2024) : 11521-11540 . |
| APA | Li, J. , Zeng, J. , Zhao, F. , Sun, X. , Wang, S. , Lu, X.F. . A Review on Highly Efficient Ru-Based Electrocatalysts for Acidic Oxygen Evolution Reaction . | Energy and Fuels , 2024 , 38 (13) , 11521-11540 . |
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The photocatalytic selective oxidation of CH4 to value-added higher hydrocarbons presents a promising avenue for the sustainable development of the chemical industry; however, the mild activation and conversion of CH4 remain great challenges. Herein, a novel Au/Zn2Ti3O8 hybrid photocatalyst is assembled from supporting Au nanoparticles (NPs) on the surface of Zn2Ti3O8 nanospheres. The Zn2Ti3O8 semiconductor with Zn2+ active sites drives the CH4 coupling reaction, while the Au NPs promote the separation and migration of charge carriers. When irradiated with a 365 LED light, the 1.0%-Au/Zn2Ti3O8 catalyst exhibits high activity and stability for selective CH4 coupling with O2, affording an optimal C2H6 yield of 609.49 μmol g−1 h−1 with 80.18% selectivity, which is among the state-of-the-art values under comparable conditions. Besides, the 1.0%-Au/Zn2Ti3O8 sample affords a turnover number (TON) of 239.1 and an apparent quantum efficiency (AQE) of 1.05% at 365 nm. Studies reveal that the Schottky junction interface strongly promotes photoinduced electrons to be transferred to Au from Zn2Ti3O8, realizing directed separation and migration of charge carriers for high photocatalytic activity. Various in situ spectroscopy analyses expose that the key ˙CH3 species in CH4-to-C2H6 conversion are stabilized by the surface Au sites for the subsequent coupling reaction to form C2H6, which prevents the undesirable overoxidation reaction to afford high C2H6 selectivity. A possible photocatalytic oxidative CH4 coupling mechanism over the Au/Zn2Ti3O8 hybrid is also proposed. © 2024 The Royal Society of Chemistry.
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| GB/T 7714 | Huang, Q. , Cai, J. , Wei, F. et al. Selective oxidative coupling of methane to ethane with oxygen using an Au/Zn2Ti3O8 photocatalyst under mild conditions [J]. | Journal of Materials Chemistry A , 2024 , 12 (32) : 21334-21340 . |
| MLA | Huang, Q. et al. "Selective oxidative coupling of methane to ethane with oxygen using an Au/Zn2Ti3O8 photocatalyst under mild conditions" . | Journal of Materials Chemistry A 12 . 32 (2024) : 21334-21340 . |
| APA | Huang, Q. , Cai, J. , Wei, F. , Fan, Y. , Liang, Z. , Liu, K. et al. Selective oxidative coupling of methane to ethane with oxygen using an Au/Zn2Ti3O8 photocatalyst under mild conditions . | Journal of Materials Chemistry A , 2024 , 12 (32) , 21334-21340 . |
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Polymer-based photoanodes for the water oxidation reaction have recently garnered attention, with carbon nitride standing out due to its numerous advantages. This study focuses on synthesizing crystalline carbon nitride photoanodes, specifically poly(heptazine imide) (PHI), and explores the role of salts in their production. Using a binary molten salt system, optimal photocurrent density of 365 μA·cm−2 was achieved with a voltage bias of 1.23 V versus the reversible hydrogen electrode under AM 1.5G illumination, this performance is ca. 18 times to the pristine PCN photoanode. In this process, NH₄SCN facilitates the growth of SnS2 seeding layers, while K2CO3 enhances film crystallinity. In situ electrochemical analyses show that this salt combination improves photoexcited charge transfer efficiency and minimizes resistance in the SnS2 layer. This study clarifies the role of salts in synthesizing the PHI photoanode and provides insights for designing high-crystallinity carbon nitride-based functional films. © Editorial office of Acta Physico-Chimica Sinica.
Keyword ：
Binary salts Binary salts Ionothermal synthesis Ionothermal synthesis Photoanode Photoanode Poly-heptazine-imide Poly-heptazine-imide Water oxidation Water oxidation
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| GB/T 7714 | Su, J. , Zhang, J. , Chai, S. et al. Optimizing Poly(heptazine imide) Photoanodes Using Binary Molten Salt Synthesis for Water Oxidation Reaction [J]. | Acta Physico - Chimica Sinica , 2024 , 40 (12) . |
| MLA | Su, J. et al. "Optimizing Poly(heptazine imide) Photoanodes Using Binary Molten Salt Synthesis for Water Oxidation Reaction" . | Acta Physico - Chimica Sinica 40 . 12 (2024) . |
| APA | Su, J. , Zhang, J. , Chai, S. , Wang, Y. , Wang, S. , Fang, Y. . Optimizing Poly(heptazine imide) Photoanodes Using Binary Molten Salt Synthesis for Water Oxidation Reaction . | Acta Physico - Chimica Sinica , 2024 , 40 (12) . |
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Direct photocatalytic conversion of methane to value-added C1 oxygenate with O2 is of great interest but presents a significant challenge in achieving highly selective product formation. Herein, a general strategy for the construction of copper single-atom catalysts with a well-defined coordination microenvironment is developed on the basis of metal-organic framework for selective photo-oxidation of CH4 to HCHO. We propose the directional activation of O2 on the mono-copper site breaks the original equilibrium and tilts the balance of radical formation almost completely toward •OOH. The synchronously generated •OOH and •CH3 radicals rapidly combine to form HCHO while inhibiting competing reactions, thus resulting in ultra-highly selective HCHO production (nearly 100%) with a time yield of 2.75 mmol gcat−1 h−1. This work highlights the potential of rationally designing reaction sites to manipulate reaction pathways and achieve selective CH4 photo-oxidation, and could guide the further design of high-performance single-atom catalysts to meet future demand. © The Author(s) 2024.
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| GB/T 7714 | Feng, C. , Zuo, S. , Hu, M. et al. Optimizing the reaction pathway of methane photo-oxidation over single copper sites [J]. | Nature Communications , 2024 , 15 (1) . |
| MLA | Feng, C. et al. "Optimizing the reaction pathway of methane photo-oxidation over single copper sites" . | Nature Communications 15 . 1 (2024) . |
| APA | Feng, C. , Zuo, S. , Hu, M. , Ren, Y. , Xia, L. , Luo, J. et al. Optimizing the reaction pathway of methane photo-oxidation over single copper sites . | Nature Communications , 2024 , 15 (1) . |
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The development of effective, low-cost, and stable photocatalysts for visible-light-driven hydrogen production is desired but challenging. Herein, in the presence of a ternary eutectic salt mixture, poly(heptazine imide) with a crystalline-amorphous interface, is synthesized, which endows improved transfer of charge carriers and enhanced photocatalytic activity for hydrogen production. © 2024 American Chemical Society.
Keyword ：
charge separation charge separation hydrogen production hydrogen production photocatalysis photocatalysis poly(heptazine imide) poly(heptazine imide) water splitting water splitting
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| GB/T 7714 | Wang, Q. , Li, S. , Zheng, D. et al. Prompt Charge Separation at Crystalline-Amorphous Interfaces of Poly(heptazine imides) for Photocatalytic Hydrogen Evolution [J]. | ACS Applied Energy Materials , 2024 , 7 (15) : 6090-6095 . |
| MLA | Wang, Q. et al. "Prompt Charge Separation at Crystalline-Amorphous Interfaces of Poly(heptazine imides) for Photocatalytic Hydrogen Evolution" . | ACS Applied Energy Materials 7 . 15 (2024) : 6090-6095 . |
| APA | Wang, Q. , Li, S. , Zheng, D. , Wang, S. , Hou, Y. , Zhang, G. . Prompt Charge Separation at Crystalline-Amorphous Interfaces of Poly(heptazine imides) for Photocatalytic Hydrogen Evolution . | ACS Applied Energy Materials , 2024 , 7 (15) , 6090-6095 . |
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