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学者姓名：方元行
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Abstract ：
H2 and O2 evolutions occur simultaneously for conventional particulate photocatalytic overall water splitting (PPOWS), leading to a significant backward reaction and the formation of an explosive H2/O2 gas mixture. This is an issue that must be addressed prior to industrialization of PPOWS. Here, a convenient, cost-effective, and scalable concept is introduced to uncouple hydrogen and oxygen production for PPOWS. Based on this idea, a three-component photocatalyst, Co(5 %)-HPCN/(rGO/Pt), is constructed, consisting of a photoresponsive chip (HPCN), a H2 evolution cocatalyst (rGO/Pt), and a cobalt complex capable of reversibly binding O2 (Co), to achieve the decoupling of PPOWS under alternating UV and visible light irradiations. The asynchronous O2 and H2 evolution strategy have considerable flexibility regarding the photocatalyst structure and light sources suitable for PPOWS.
Keyword ：
carbon nitride chips carbon nitride chips overall water splitting overall water splitting photocatalytic photocatalytic PPOWS decoupling PPOWS decoupling reaction mechanism reaction mechanism
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| GB/T 7714 | Liu, Dan , Xu, Huihui , Shen, Jinni et al. Decoupling H2 and O2 Release in Particulate Photocatalytic Overall Water Splitting Using a Reversible O2 Binder [J]. | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION , 2025 , 64 (9) . |
| MLA | Liu, Dan et al. "Decoupling H2 and O2 Release in Particulate Photocatalytic Overall Water Splitting Using a Reversible O2 Binder" . | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION 64 . 9 (2025) . |
| APA | Liu, Dan , Xu, Huihui , Shen, Jinni , Wang, Xun , Qiu, Chengwei , Lin, Huaxiang et al. Decoupling H2 and O2 Release in Particulate Photocatalytic Overall Water Splitting Using a Reversible O2 Binder . | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION , 2025 , 64 (9) . |
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The indirect anthraquinone method is currently used to produce H2O2, but it leads to high energy consumption and a large amount of chemical waste. Alternatively, water oxidation reactions offer a potential green approach for H2O2 production, although it is constrained by low selectivity. Herein, the functional photoanodes are rationally designed for H2O2 production via photocatalytic water oxidation. Specifically, P/Mo co-doped BiVO4 films are achieved on a conductive glass to serve as the photocatalytic layer, which is coated with an ultrathin amorphous TiO2 film to achieve good stability. Importantly, metal-free P-doped polymeric carbon nitride dots are deposited on the photoanode, acting as the reaction centres. This innovative approach moves away from the traditional reliance on inorganic materials as co-catalysts in order to suppress the thermodynamically favoured O-2 evolution, which, in turn, significantly enhances the selectivity, efficiency and stability of H2O2 production. Consequently, an optimal selectivity of approximate to 64% for H2O2 production is achieved at an applied voltage bias of 1.7 V versus RHE in a 1.0 m KHCO3 solution, achieving a yield of approximate to 34.2 mu mol hr(-1) cm(-2). This research offers a novel strategy for developing photocatalytic films with optimised co-catalysts for a photoanode in photocatalytic H2O2 synthesis.
Keyword ：
BiVO4 BiVO4 H2O2 synthesis H2O2 synthesis photoanode photoanode polymeric carbon nitride dots polymeric carbon nitride dots water oxidation water oxidation
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| GB/T 7714 | Wang, Yankun , Xu, Yuntao , Zhang, Xirui et al. Integrating P-Doped Carbon Nitride Dots as Active Sites on P/Mo Co-Doped BiVO4 Photoanodes Promotes H2O2 Production [J]. | SMALL , 2025 . |
| MLA | Wang, Yankun et al. "Integrating P-Doped Carbon Nitride Dots as Active Sites on P/Mo Co-Doped BiVO4 Photoanodes Promotes H2O2 Production" . | SMALL (2025) . |
| APA | Wang, Yankun , Xu, Yuntao , Zhang, Xirui , Qian, Rong , Chen, Xiong , Chen, Qiao et al. Integrating P-Doped Carbon Nitride Dots as Active Sites on P/Mo Co-Doped BiVO4 Photoanodes Promotes H2O2 Production . | SMALL , 2025 . |
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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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Heterogeneous photoelectrocatalysis systems have recently seen significant growth in organic transformations, but are limited by the inherent physicochemical properties of electrode materials. To enhance selectivity in these processes, we propose an innovative advancement in the rational design of photoanodes. Specifically, we incorporated cobalt porphyrin co-catalysts with confined Co sites onto bismuth vanadate films as a photoanode. This photoanode significantly enhances the efficacy of styrene epoxidation, achieving selectivity and conversion rates of 90 % and 99 %, respectively. Notably, the reaction utilizes water as the sole oxygen source, operates at room temperature, and is easily scalable for gram-scale synthesis. The developed photoanode demonstrates robust performance across various alkene substrates. Operando characterizations reveal that during the epoxidation reaction, the confined Co sites within the porphyrin structure catalyze the oxidation of H2O to form Co-O*, serving as critical intermediates that facilitate cyclization reactions via one-electron processes. This study introduces an innovative heterogeneous photoelectrocatalysis strategy with customizable active sites tailored for selective catalytic organic transformations.
Keyword ：
Epoxidation Epoxidation Heterogeneous Heterogeneous Photoelectrocatalysis Photoelectrocatalysis Selectivity Selectivity
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| GB/T 7714 | Wu, Haisu , Wang, Yankun , Huang, Meirong et al. Alkene Epoxidation with Water by Confined Active Co Sites on BiVO4 Photoanodes under Visible Light [J]. | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION , 2025 , 64 (7) . |
| MLA | Wu, Haisu et al. "Alkene Epoxidation with Water by Confined Active Co Sites on BiVO4 Photoanodes under Visible Light" . | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION 64 . 7 (2025) . |
| APA | Wu, Haisu , Wang, Yankun , Huang, Meirong , Cheng, Jiajia , Sa, Baisheng , Fang, Yuanxing et al. Alkene Epoxidation with Water by Confined Active Co Sites on BiVO4 Photoanodes under Visible Light . | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION , 2025 , 64 (7) . |
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Mesoporous bioactive glasses (MBGs) are gaining recognition in bone tissue engineering for their osteoblast differentiation-inducing properties and customizable structures. However, the challenge of peri-implantitis has hindered their broader application. To address this, double transition metal TiNbCTx MXene acted as near-infrared (NIR) photothermal agent, has been integrated with MBG nanospheres to develop novel multifunctional TiNbCTx/MBG (TNC/MBG) nanocomposites in this work. The results demonstrate that the TNC/MBG composites feature uniform mesoporous spherical MBG nanoparticles on TiNbCTx nanosheets, boasting a significantly enhanced specific surface area of up to 444.74 m(2) g(-1) and a more negative zeta potential than pristine MBG. Importantly, the TNC/MBG nanocomposites can effectively promote apatite formation, as well as the proliferation and viability of MC3T3-E1 cells. Moreover, it is highlighted that the TNC/MBG nanocomposites display remarkable photothermal conversion efficiency and stability, leading to over 95% antibacterial inhibition rates against both S. aureus and E. coli under NIR irradiation. These findings offer an appealing strategy to develop multifunctional TNC/MBG nanocomposites with enhanced biological activity and robust antibacterial properties, which shows great potential for various biomedical applications.
Keyword ：
antibacterial property antibacterial property biological behavior biological behavior mesoporous bioactive glass mesoporous bioactive glass photothermal conversion performance photothermal conversion performance TiNbCTx MXene TiNbCTx MXene
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| GB/T 7714 | Yan, Siqing , Ma, Qian , Wen, Cuilian et al. Enhanced Biological Behavior and Photothermal Antibacterial Performance of TiNbCTx MXene Modified Mesoporous Bioactive Glass Nanocomposites [J]. | ADVANCED FUNCTIONAL MATERIALS , 2025 . |
| MLA | Yan, Siqing et al. "Enhanced Biological Behavior and Photothermal Antibacterial Performance of TiNbCTx MXene Modified Mesoporous Bioactive Glass Nanocomposites" . | ADVANCED FUNCTIONAL MATERIALS (2025) . |
| APA | Yan, Siqing , Ma, Qian , Wen, Cuilian , Luo, Lijin , Jin, Junhao , Li, Xiong et al. Enhanced Biological Behavior and Photothermal Antibacterial Performance of TiNbCTx MXene Modified Mesoporous Bioactive Glass Nanocomposites . | ADVANCED FUNCTIONAL MATERIALS , 2025 . |
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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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Diabetes remains a significant chronic disease, with its prevalence projected to exceed 700 million by 2045. Monitoring glucose levels through conventional methods is crucial for mitigating the associated health risks. In this study, NiTiO3 films are loaded on TiO2 nanorods to create photoanodes, which are applied for glucose detection using near-infrared (NIR) light illumination. This approach achieved a detection limit of 0.01 mM with selectivity reaching up to 95%. Additionally, the long-term stability was confirmed for at least 16 weeks. This study demonstrates the potential of using NiTiO3-based nanomaterials as an NIR-driven sensor for glucose detection. © 2024 American Chemical Society.
Keyword ：
Glucose sensors Glucose sensors Infrared detectors Infrared detectors Nanoribbons Nanoribbons Nanorods Nanorods Titanium dioxide Titanium dioxide
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| GB/T 7714 | Wu, Yahan , Zhang, Jiaqi , Zhao, Shun et al. Integration of NiTiO3 Films onto TiO2 Nanorods as Photoanodes for Glucose Detection with Near-Infrared Light [J]. | ACS Applied Nano Materials , 2024 , 7 (19) : 22684-22693 . |
| MLA | Wu, Yahan et al. "Integration of NiTiO3 Films onto TiO2 Nanorods as Photoanodes for Glucose Detection with Near-Infrared Light" . | ACS Applied Nano Materials 7 . 19 (2024) : 22684-22693 . |
| APA | Wu, Yahan , Zhang, Jiaqi , Zhao, Shun , Li, Yueping , Cai, Pingru , Zheng, Dandan et al. Integration of NiTiO3 Films onto TiO2 Nanorods as Photoanodes for Glucose Detection with Near-Infrared Light . | ACS Applied Nano Materials , 2024 , 7 (19) , 22684-22693 . |
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Sunlight-induced photocatalytic carbon dioxide(CO2)reduction to energy-rich chemicals by metal-free polymeric carbon nitride(CN)semiconductor is a promising tactic for sustained solar fuel production.However,the reaction efficiency of CO2 photoreduction is restrained seriously by the rapid recombination of photogenerated carriers on CN polymer.Herein,we incorporate 2-aminopyridine molecule with strong electron-withdrawing group into the skeleton edge of CN layers through a facile one-pot thermal polymerization strategy using urea as the precursor,which renders a modified carbon nitride(ACN)with extended optical harvesting,abundant nitrogen defects and ultrathin nanosheet structure.Consequently,the ACN photocatalyst with desirable structural features attains enhanced separation and migration of photoexcited charge carriers.Under visible light irradiation with Co(bpy)32+as a cocatalyst,the optimized ACN sample manifests a high CO2 deoxygnative reduction activity and high sta-bility,providing a CO yielding rate of 17 μmol h-1,which is significantly higher than that of pristine CN.The key intermediates engaged in CO2 photoreduction reaction are determined by the in situ diffuse reflectance infrared Fourier transform spectroscopy,which sponsors the construction of the possible photocatalytic CO2 reduction mechanism on ACN nanosheets.
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| GB/T 7714 | Ziruo Zhou , Wenyu Guo , Tingyu Yang et al. Defect and nanostructure engineering of polymeric carbon nitride for visible-light-driven CO2 reduction [J]. | 结构化学 , 2024 , 43 (3) : 10-18 . |
| MLA | Ziruo Zhou et al. "Defect and nanostructure engineering of polymeric carbon nitride for visible-light-driven CO2 reduction" . | 结构化学 43 . 3 (2024) : 10-18 . |
| APA | Ziruo Zhou , Wenyu Guo , Tingyu Yang , Dandan Zheng , Yuanxing Fang , Xiahui Lin et al. Defect and nanostructure engineering of polymeric carbon nitride for visible-light-driven CO2 reduction . | 结构化学 , 2024 , 43 (3) , 10-18 . |
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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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Over the past half-century, significant efforts have been dedicated to the photocatalytic H2 production from H2O under UV–visible light irradiation. These endeavors have yielded remarkable results, with efficiency levels now approaching near 100 % apparent quantum yields, notably utilizing inorganic semiconducting materials such as modified Al-doped SrTiO3 photocatalysts. Meanwhile, advancements in organic polymer semiconducting materials, exemplified by g-C3N4, have led to substantial improvements in the efficiency of photocatalytic overall water splitting for H2 evolution reaction. These improvements, achieved through chemical engineering methods and molecular-level modifications, have resulted in an apparent quantum yield of 69 % at 405 nm, accompanied by significant red-shifting of optical absorption to 1400 nm. These developments are presented in chronological order over the past half-century, underscoring the ongoing quest for innovative breakthroughs to enable large-scale practical applications of solar hydrogen production. Key considerations in this pursuit include efficiency, stability, cost-effectiveness, and the independent evolution of H2 and O2. © 2024 Chongqing University
Keyword ：
g-C3N4 g-C3N4 Inorganic semiconducting material Inorganic semiconducting material Organic polymer semiconducting material Organic polymer semiconducting material Photocatalytic hydrogen production Photocatalytic hydrogen production TiO2 TiO2 Titanate Titanate
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| GB/T 7714 | Su, J. , Zhang, J. , Chai, S. et al. Developments of photocatalytic overall water splitting to produce H2 [J]. | Nano Materials Science , 2024 . |
| MLA | Su, J. et al. "Developments of photocatalytic overall water splitting to produce H2" . | Nano Materials Science (2024) . |
| APA | Su, J. , Zhang, J. , Chai, S. , Anpo, M. , Fang, Y. , Wang, X. . Developments of photocatalytic overall water splitting to produce H2 . | Nano Materials Science , 2024 . |
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