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学者姓名：邢万东
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Abstract ：
Photosynthesis of H2O2 from O-2 and H2O with inexhaustible sunlight as an energy source is a promising approach. However, the photocatalytic performance of pristine polymeric carbon nitride (PCN) is extremely restrained due to the rapid recombination of photo-generated electrons and holes, and slow surface reaction processes. Herein, a new strategy is developed to rationally integrate N, S-co-doped carbon (C-NS), and CoS2 on cyano-rich PCN (PCN-Cy) for photosynthesis of H2O2 under ambient conditions. The engineering with cyano groups (electron-withdrawing groups) promotes the bulk charge separation of PCN. Experimental results reveal that the CoS2 co-catalyst not only serves as an electron acceptor to extract charges from the bulk but also functions as an active site to promote the 2-e(-) ORR process. Besides, the N, S-co-doped carbon performs as an electron channel to promote migration of charges at the interface of PCN-Cy and CoS2. Accordingly, the as-synthesized cyano-rich PCN photocatalyst integrated with N, S-co-doped carbon and CoS2 exhibits a remarkable activity of 321.9 mu m h(-1) for photocatalytic production of H2O2, which is 44.9 times higher than that of the pristine PCN.
Keyword ：
2-electron oxygen reduction reaction 2-electron oxygen reduction reaction charge transfer charge transfer H2O2 production H2O2 production overall photosynthesis overall photosynthesis polymeric carbon nitride polymeric carbon nitride
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| GB/T 7714 | Yang, Zhenchun , Liu, Kunlong , Zhuzhang, Hangyu et al. Interface Engineering of Polymeric Carbon Nitride with Enhanced Charge Separation for Efficient Visible Light Photosynthesis of Hydrogen Peroxide from Oxygen and Water [J]. | ADVANCED FUNCTIONAL MATERIALS , 2025 . |
| MLA | Yang, Zhenchun et al. "Interface Engineering of Polymeric Carbon Nitride with Enhanced Charge Separation for Efficient Visible Light Photosynthesis of Hydrogen Peroxide from Oxygen and Water" . | ADVANCED FUNCTIONAL MATERIALS (2025) . |
| APA | Yang, Zhenchun , Liu, Kunlong , Zhuzhang, Hangyu , Xing, Wandong , Anpo, Masakazu , Zhang, Guigang . Interface Engineering of Polymeric Carbon Nitride with Enhanced Charge Separation for Efficient Visible Light Photosynthesis of Hydrogen Peroxide from Oxygen and Water . | ADVANCED FUNCTIONAL MATERIALS , 2025 . |
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Poly(triazine imide) (PTI) holds significant promise for photocatalytic CO2 reduction by addressing the limitations of conventional carbon nitrides. However, its practical application remains constrained by a narrow visible-light absorption. Herein, we report a barbituric acid (BA)-mediated copolymerization strategy to engineer pi-electron delocalization within the triazine framework for broadening light-harvesting spectrum and optimizing charge carrier transport. Under visible light irradiation (lambda >= 400 nm), the optimized PTI-BA(1.0) photocatalyst achieves a CO evolution rate of 10 mu mol h(-1) (333 mu mol g(-1) h(-1)) with 95% selectivity, representing a 5-fold enhancement over pristine PTI. Remarkably, the apparent quantum efficiency reaches 13.6% at 365 nm, underscoring its superior CO2 photoconversion capability. Mechanistic investigations via in situ diffuse reflectance infrared Fourier transform spectroscopy and density functional theory calculations elucidate the energetically favorable pathways for CO2 activation, reduction and CO desorption. This work not only provides a rational design strategy for modulating the optoelectronic properties of crystalline carbon nitride but also advances the development of high-performance photocatalysts for sustainable CO2 conversion.
Keyword ：
carbon nitride carbon nitride CO2 reduction CO2 reduction copolymerization copolymerization photocatalysis photocatalysis poly(triazineimide) poly(triazineimide)
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| GB/T 7714 | Liu, Feng , Xie, Zongyuan , Su, Bo et al. Enhancing Visible Light CO2 Reduction via π-Electron Delocalization in Barbituric Acid-Modified Poly(triazine imide) Crystals [J]. | ACS CATALYSIS , 2025 , 15 (17) : 15033-15042 . |
| MLA | Liu, Feng et al. "Enhancing Visible Light CO2 Reduction via π-Electron Delocalization in Barbituric Acid-Modified Poly(triazine imide) Crystals" . | ACS CATALYSIS 15 . 17 (2025) : 15033-15042 . |
| APA | Liu, Feng , Xie, Zongyuan , Su, Bo , Guo, Binbin , Lin, Xiahui , Xing, Wandong et al. Enhancing Visible Light CO2 Reduction via π-Electron Delocalization in Barbituric Acid-Modified Poly(triazine imide) Crystals . | ACS CATALYSIS , 2025 , 15 (17) , 15033-15042 . |
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Photocatalytic water splitting emerges as a transformative technology for sustainable hydrogen energy production. However, reliance on sacrificial hole scavengers (e.g., triethanolamine) in conventional systems leads to significant underutilization of oxidative potential and increases the cost of hydrogen production. Coupling photocatalytic hydrogen evolution with the oxidative valorization of biomass-derived polyols establishes a dual-functional system that simultaneously enhances solar energy conversion efficiency and creates economic value through the coproduction of high-value-added chemicals. In this study, the energy band structure and charge carrier behaviors of poly (heptazine imides) are modulated by salt-melt polymerization in the presence of different gas flow atmospheres (e.g., NH3, CO2, N2). Accordingly, the optimum potassium poly (heptazine imide) synthesized in the presence of CO2 presents excellent performance for visible-light photocatalytic hydrogen production (apparent quantum yield(AQY) = 44% under λ = 420 nm) coupled with glycerol valorization for selective synthesis of dihydroxyacetone (DHA, ∼ 146 µmol of DHA per hour). This study provides new insights into the rational design of carbon nitride photocatalysts, as well as the concurrent achievement of hydrogen evolution coupled with the production of high-value-added chemicals. © 2025 Wiley-VCH GmbH.
Keyword ：
charge separation charge separation glycerol valorization glycerol valorization hydrogen production hydrogen production photocatalysis photocatalysis poly (heptazine imide) poly (heptazine imide)
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| GB/T 7714 | Zou, Y. , Chen, H. , Hou, Y. et al. Efficient Photocatalytic Hydrogen Production Coupled with Glycerol Valorization Driven by Fully Condensed Potassium Poly (Heptazine Imides) [J]. | Advanced Functional Materials , 2025 . |
| MLA | Zou, Y. et al. "Efficient Photocatalytic Hydrogen Production Coupled with Glycerol Valorization Driven by Fully Condensed Potassium Poly (Heptazine Imides)" . | Advanced Functional Materials (2025) . |
| APA | Zou, Y. , Chen, H. , Hou, Y. , Xing, W. , Pan, Z. , Savateev, O. et al. Efficient Photocatalytic Hydrogen Production Coupled with Glycerol Valorization Driven by Fully Condensed Potassium Poly (Heptazine Imides) . | Advanced Functional Materials , 2025 . |
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Hollow carbon nitride spheres with a well-designed architecture and excellent optical properties serve as promising polymers for solar fuel production. In this study, carbon-rich hollow carbon nitride nanospheres were rationally designed for photocatalytic hydrogen peroxide production. Experimental results revealed that the doping of carbon species in the heptazine unit enhanced light absorption and promoted charge separation and transport. Accordingly, the optimized carbon-rich hollow carbon nitride nanospheres exhibited significantly enhanced photocatalytic performance for solar-driven hydrogen peroxide production and Cr(vi) reduction in comparison with pristine polymeric carbon nitride and hollow carbon nitride nanospheres.
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| GB/T 7714 | Hu, Yong , Yang, Zhenchun , Zheng, Dandan et al. Rational synthesis of carbon-rich hollow carbon nitride spheres for photocatalytic H2O2 production and Cr(vi) reduction [J]. | NANOSCALE , 2025 , 17 (13) : 7856-7864 . |
| MLA | Hu, Yong et al. "Rational synthesis of carbon-rich hollow carbon nitride spheres for photocatalytic H2O2 production and Cr(vi) reduction" . | NANOSCALE 17 . 13 (2025) : 7856-7864 . |
| APA | Hu, Yong , Yang, Zhenchun , Zheng, Dandan , Xing, Wandong , Zhang, Guigang . Rational synthesis of carbon-rich hollow carbon nitride spheres for photocatalytic H2O2 production and Cr(vi) reduction . | NANOSCALE , 2025 , 17 (13) , 7856-7864 . |
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Constructing heterointerfaces with space charge areas can effectively drive carrier transport. However, it is difficult to further enhance the interfacial bond strength to improve the built-in potential difference across the interface by directly modulating the interfacial atomic configuration. Herein, we have directly regulated the atomic structures of ZnO/CoO heterointerfaces by means of the phase transition of the rocksalt CoO to spinel Co3O4 under a high-energy electron beam. The results show that irradiation of electron beams can drive the orderly migration and aggregation of Co vacancies as well as the rearrangement of lattice Co atoms from octahedral sites to tetrahedral sites, causing the formation of spinel Co3O4. DFT calculations demonstrate that O atoms adjected to four-coordinated Co atoms are strongly coupled with the Zn atoms, enhancing interfacial polarization to facilitate the charge transfer. This finding provides a novel idea for the design of heterojunctions with high-efficiency charge transport.
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| GB/T 7714 | Zhao, Quanpan , Zhao, Yanan , Wang, Mingyue et al. Atomic Manipulation of Metal Oxide Heterointerfaces by Electron Beam Illumination [J]. | JOURNAL OF PHYSICAL CHEMISTRY LETTERS , 2025 , 16 (8) : 1865-1872 . |
| MLA | Zhao, Quanpan et al. "Atomic Manipulation of Metal Oxide Heterointerfaces by Electron Beam Illumination" . | JOURNAL OF PHYSICAL CHEMISTRY LETTERS 16 . 8 (2025) : 1865-1872 . |
| APA | Zhao, Quanpan , Zhao, Yanan , Wang, Mingyue , Xue, Sikang , Yu, Rong , Xing, Wandong . Atomic Manipulation of Metal Oxide Heterointerfaces by Electron Beam Illumination . | JOURNAL OF PHYSICAL CHEMISTRY LETTERS , 2025 , 16 (8) , 1865-1872 . |
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Achieving intimate interfacial contact between a hydrogen evolution photocatalyst (HEP) and an oxygen evolution photocatalyst (OEP) is crucial for efficient charge carrier transfer, which in turn enhances overall water splitting (OWS) performance. However, traditional metal oxide-based photocatalysts often possess intrinsic limitations. In this study, carbon nitride (CN) with tunable electrostatic properties is employed to form a heterostructure with metal oxides through self-assembly. As such, protonated polymeric CN nanosheets functioned as the HEP, while NiTiO3 nanoparticles served as the OEP, resulting in a photocatalytic system for OWS, exhibiting H-2 and O-2 evolution rates of 35.6 and 17.7 mu mol h(-)(1), respectively. The corresponding apparent quantum yield is 2.7% at an incident wavelength of 365 nm. These results outperform those of individual photocatalysts. This study introduces a universally applicable electrostatic self-assembly strategy for using CN to construct redox-mediator-free heterojunctions, thereby advancing applications in various fields, particularly the hydrogen evolution reaction via photocatalytic OWS.
Keyword ：
electrostatic self-assemblies electrostatic self-assemblies heterojunctions heterojunctions internal electric fields internal electric fields NiTiO3 NiTiO3 overall water splittings overall water splittings
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| GB/T 7714 | Wang, Long , Wu, Haihua , Lin, Yifan et al. Electrostatic Self-Assembly of NiTiO3 on Carbon Nitride as a Photocatalyst for Visible-Light-Driven Overall Water Splitting [J]. | CHEMSUSCHEM , 2025 , 18 (13) . |
| MLA | Wang, Long et al. "Electrostatic Self-Assembly of NiTiO3 on Carbon Nitride as a Photocatalyst for Visible-Light-Driven Overall Water Splitting" . | CHEMSUSCHEM 18 . 13 (2025) . |
| APA | Wang, Long , Wu, Haihua , Lin, Yifan , Wang, Mingyue , Wang, Zilong , Xing, Wandong et al. Electrostatic Self-Assembly of NiTiO3 on Carbon Nitride as a Photocatalyst for Visible-Light-Driven Overall Water Splitting . | CHEMSUSCHEM , 2025 , 18 (13) . |
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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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The efficiency of photocatalytic hydrogen evolution is fundamentally constrained by limited charge carrier separation. Herein, we deliberately engineered an electric double layer (EDL) via surface modification with positively charged molecules, which optimizes the charge carrier dynamics. The anchoring of both diethylenetriamine (DETA) molecules and Pt species on CdS (denoted as Pt/CdS-D) achieves remarkable H2 evolution performance, delivering an exceptional rate of 6295 mu mol g-1 h-1 and an apparent quantum efficiency of 14.9%, which is 26.7-fold enhanced compared to that of CdS. The synergistic modification strategy concurrently lowers the activation energy barrier for water reduction and establishes EDL-driven directional charge transport channels that boost carrier separation efficiency. This work provides a paradigm for designing high-performance photocatalysts through the rational integration of functional organic groups and cocatalysts, opening new avenues for advanced solar-to-hydrogen energy conversion systems.
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| GB/T 7714 | Deng, Jing , Xu, Xinyu , Su, Bo et al. Structural amine-induced interfacial electrical double layers for efficient photocatalytic H2 evolution [J]. | MATERIALS HORIZONS , 2025 , 12 (15) : 5702-5709 . |
| MLA | Deng, Jing et al. "Structural amine-induced interfacial electrical double layers for efficient photocatalytic H2 evolution" . | MATERIALS HORIZONS 12 . 15 (2025) : 5702-5709 . |
| APA | Deng, Jing , Xu, Xinyu , Su, Bo , Liu, Minghui , Lin, Xiahui , Xing, Wandong et al. Structural amine-induced interfacial electrical double layers for efficient photocatalytic H2 evolution . | MATERIALS HORIZONS , 2025 , 12 (15) , 5702-5709 . |
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Constructing S-scheme heterojunctions is widely recognized as an effective strategy to enhance the photocatalytic overall water-splitting performance of polymeric carbon nitride. However, carbon nitride-based S-scheme heterojunctions are frequently constrained by a low lattice matching degree, weak interfacial adhesion, and high interfacial trap density, which significantly impede interface electron transport efficiency. To address these limitations, we fabricate a crystalline Rb doped polyheptazine imide (Rb-PHI)/melon (P&M) homojunction with tiny lattice mismatches by the flux-assisted synthesis method. Structural characterizations confirm that the flux-assisted synthesis method can effectively regulate the interface structure between PHI and melon, thus forming a crystalline and coherent homointerface. Moreover, kinetic analysis reveals that fabricating a nanoscale lattice-matched homointerface can generate a robust interfacial electric field, thereby facilitating the directed migration and spatial separation of photoexcited electrons and holes. More importantly, we find that the photocatalytic overall water-splitting activity and interfacial charge transfer efficiency of P&M homojunction depend on the degree of interfacial lattice matching and crystallinity. This study underscores the significance of interfacial structure for enhancing the charge transfer efficiency in S-scheme homojunctions and offers valuable insights and methodologies for developing high-performance S-scheme homojunctions.
Keyword ：
carbon nitride carbon nitride coherent interface coherent interface lattice-matched lattice-matched photocatalytic overall watersplitting photocatalytic overall watersplitting S-scheme S-scheme
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| GB/T 7714 | Cheng, Xiaohong , Sun, Qiqi , Zhang, Guigang et al. Breaking Interfacial Charge Transport Limitations of Carbon Nitride-Based Homojunction by Lattice-Matched Interfacial Engineering for Enhanced Photocatalytic Overall Water Splitting [J]. | ACS CATALYSIS , 2025 , 15 (15) : 13167-13178 . |
| MLA | Cheng, Xiaohong et al. "Breaking Interfacial Charge Transport Limitations of Carbon Nitride-Based Homojunction by Lattice-Matched Interfacial Engineering for Enhanced Photocatalytic Overall Water Splitting" . | ACS CATALYSIS 15 . 15 (2025) : 13167-13178 . |
| APA | Cheng, Xiaohong , Sun, Qiqi , Zhang, Guigang , Xing, Wandong , Lan, Zhi-An , Wang, Sibo et al. Breaking Interfacial Charge Transport Limitations of Carbon Nitride-Based Homojunction by Lattice-Matched Interfacial Engineering for Enhanced Photocatalytic Overall Water Splitting . | ACS CATALYSIS , 2025 , 15 (15) , 13167-13178 . |
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Photocatalytic CO2 reduction coupled with H2O oxidation has been pursued extensively, albeit facing challenges in efficiency and selectivity. Herein, we develop a PdSAs+NPs/PTI catalyst by co-anchoring atomic and nanoparticulate Pd species on poly(triazine imide) crystals, which exhibits high activity, selectivity, and stability for CO2 reduction to CO using H2O as the reductant. Combined experimental and theoretical studies reveal that the dual Pd species synergistically enhance charge separation and transfer while promoting CO2 activation, CO desorption, and H2O dissociation. Photo-stimulated electrons migrate to Pd nanoparticles to reduce CO2, and holes oxidize Pd2+ sites to Pd4+ species that catalyze H2O splitting to OH* and H*. The resulting H* spills onto adjacent Pd nanoparticles to support proton-coupled CO2 reduction, whereas OH* is oxidized by Pd4+ to evolve O2, regenerating Pd2+, and closing the catalysis cycle. Importantly, the photoinduced Pd4+ sites dynamically modulate the local adsorption environment, weakening *CO binding on nearby Pd nanoparticles. This facilitates *CO desorption and hampers its hydrogenation to CH4, enabling high CO selectivity. The optimal catalyst achieves a CO yield rate of 22.2 mmol gPd−1 h−1 with 95.7% selectivity, stably operating over 30 h. © 2025 Wiley-VCH GmbH.
Keyword ：
Carbon nitrides Carbon nitrides CO2 reduction CO2 reduction Photocatalysis Photocatalysis Poly(triazine imide) Poly(triazine imide) Synergistic catalysis Synergistic catalysis
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| GB/T 7714 | Xu, X. , Su, B. , Wang, S. et al. CO2 Photoreduction by H2O: Cooperative Catalysis of Palladium Species on Poly(triazine imide) Crystals [J]. | Angewandte Chemie - International Edition , 2025 . |
| MLA | Xu, X. et al. "CO2 Photoreduction by H2O: Cooperative Catalysis of Palladium Species on Poly(triazine imide) Crystals" . | Angewandte Chemie - International Edition (2025) . |
| APA | Xu, X. , Su, B. , Wang, S. , Xing, W. , Hung, S.-F. , Pan, Z. et al. CO2 Photoreduction by H2O: Cooperative Catalysis of Palladium Species on Poly(triazine imide) Crystals . | Angewandte Chemie - International Edition , 2025 . |
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