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学者姓名：王绪绪
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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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Construction of S-scheme heterojunction for photocatalytic conversion of CO2 into carbon-neutral fuels under sunlight is of paramount value for the sustainable development of energy. However, few reports are concerned the local structure and electronic structure of semiconductor heterojunction, which are importance of understanding the effect of heterojunction structure on the photocatalytic property. In this work, hierarchical alpha-Fe2O3/ g-C3N4 S-scheme heterojunctions were manufactured via an in situ self-assembly strategy for the efficient reduction of CO2. The generation rate of main product CO for optimal alpha-Fe2O3/g-C3N4 heterojunction is up to 215.8 mu mol g-1 h-1, with selectivity of 93.3 %, which is 17.5 and 6.1 times higher than those of pristine Fe2O3 and g-C3N4, respectively. The local structure and electronic structure for alpha-Fe2O3/g-C3N4 heterojunction are probed by hard X-Ray Absorption Fine Structure (XAFS) and soft X-Ray Absorption Spectroscopy (XAS), as well as density-functional theory (DFT) calculations. It is found that the Fe(d)-N(p) bond formed in alpha-Fe2O3/g-C3N4 heterojunction precisely connects the conduction band (CB) of Fe2O3 and the valence band (VB) of g-C3N4, which minimizes the charge transfer distance and facilitates CO2 photoreduction activity. This work provides important information for understanding the influence of interface local and electronic structure on the performance of photo-catalytic reduction of CO2 at the atomic level.
Keyword ：
alpha-Fe 2 O 3 /g-C 3 N 4 alpha-Fe 2 O 3 /g-C 3 N 4 CO 2 photoreduction CO 2 photoreduction Interface Interface Local structure Local structure S -scheme S -scheme
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| GB/T 7714 | Qin, Jianyu , Zhao, Mengyue , Zhang, Yanfeng et al. Probing local structure and electronic structure of α-Fe2O3/g-C3N4 S-scheme heterojunctions for boosting CO2 photoreduction [J]. | JOURNAL OF COLLOID AND INTERFACE SCIENCE , 2025 , 685 : 1109-1121 . |
| MLA | Qin, Jianyu et al. "Probing local structure and electronic structure of α-Fe2O3/g-C3N4 S-scheme heterojunctions for boosting CO2 photoreduction" . | JOURNAL OF COLLOID AND INTERFACE SCIENCE 685 (2025) : 1109-1121 . |
| APA | Qin, Jianyu , Zhao, Mengyue , Zhang, Yanfeng , Shen, Jinni , Wang, Xuxu . Probing local structure and electronic structure of α-Fe2O3/g-C3N4 S-scheme heterojunctions for boosting CO2 photoreduction . | JOURNAL OF COLLOID AND INTERFACE SCIENCE , 2025 , 685 , 1109-1121 . |
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Photocatalytic water splitting on metal oxides often faces oxygen evolution inefficiency, reflecting the complex interplay of its two half-reactions. Strategies like heterojunctions, cocatalyst loading, or noble metal nano- particles addition have been explored to address this. Using gamma- Ga 2 O 3 nanosheets as a model, we uncovered the formation of-O-O- species as the key barrier to stoichiometric splitting. To tackle this, a strategy was devised, Sr-doping to inhibit surface peroxidation. The resultant Sr-doped gamma- Ga 2 O 3 (Sr-Ga2O3) significantly improved activity and stability, achieving balanced H2 and O2 production under 125 W mercury lamp light. Upon further enhancement with Rh/Cr2O3 cocatalyst via photoreduction, the Sr-Ga2O3/(Rh/Cr2O3) composite demonstrated a remarkable 173.3 mu mol & sdot;h-1 H2 and 86.7 mu mol & sdot;h-1 O2 evolution rate, 8.0 times higher than gamma- Ga 2 O 3 alone, with a 34.1 % quantum efficiency under 260 nm light. This represents a record performance for Ga2O3-based photo- catalytic water splitting. Mechanistically, Sr doping alters surface chemistry to favor direct oxygen release. Our study elucidates molecular-level insights into non-stoichiometric splitting mechanisms and offers a potent strategy to boost metal oxide photocatalysts' water-splitting efficiency.
Keyword ：
Photocatalytic stoichiometric water splitting Photocatalytic stoichiometric water splitting Sr-doped Sr-doped
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| GB/T 7714 | Shen, Jinni , Zhong, Yuhua , Lin, Jianhan et al. Non-stoichiometric problem of photocatalytic water splitting on γ-Ga2O3: Cause and solution [J]. | JOURNAL OF CATALYSIS , 2025 , 443 . |
| MLA | Shen, Jinni et al. "Non-stoichiometric problem of photocatalytic water splitting on γ-Ga2O3: Cause and solution" . | JOURNAL OF CATALYSIS 443 (2025) . |
| APA | Shen, Jinni , Zhong, Yuhua , Lin, Jianhan , Li, Haifeng , Qiu, Chengwei , Liu, Xu et al. Non-stoichiometric problem of photocatalytic water splitting on γ-Ga2O3: Cause and solution . | JOURNAL OF CATALYSIS , 2025 , 443 . |
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CH3OH is the most desired product of photocatalytic CH4 conversion. The prominent metal-decorated photocatalyst is challenging in both high yield and selectivity for CH3OH products due to over-oxidation by center dot OH mechanism. Here, interstitial Zn is fabricated into ZniO to induce the formation of Zn atom island for rapid single electron reduction of O2 into center dot OOH instead of center dot OH for the selective combination with methyl into CH3OOH. AuPd alloy is simultaneously decorated on ZniO surface for tuning CH3OOH adsorption and reduction into CH3OH. The synergy of Zn atom island and AuPd alloy achieve a tandem reaction pathway (CH4 -> CH3OOH -> CH3OH) for an unprecedented CH3OH yield of 2444 mmol gAuPd-1 h-1 (or 8800 mu mol gcat-1 h-1) with 98.3% selectivity, which bypasses the center dot OH mechanism for tuning the high selectivity of CH3OH. An apparent quantum efficiency of 18.53% at 370 nm for CH4 conversion are super to the reported photocatalytic systems. Thus, this work provides the new strategy of the synergetic atom island and metal alloy photocatalysts through a tandem reaction pathway to mediate the photocatalytic selective oxidation of CH4 into the desired CH3OH.
Keyword ：
atom island atom island AuPd alloy AuPd alloy methanol selectivity methanol selectivity photocatalysis photocatalysis tandem reaction tandem reaction
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| GB/T 7714 | Xiao, Zhen , Shen, Jinni , Jiang, Jianing et al. Synergetic Atom-Island and Metal Alloy Triggering Tandem Reaction for CH4 Photooxidation to CH3OH [J]. | ADVANCED FUNCTIONAL MATERIALS , 2025 , 35 (25) . |
| MLA | Xiao, Zhen et al. "Synergetic Atom-Island and Metal Alloy Triggering Tandem Reaction for CH4 Photooxidation to CH3OH" . | ADVANCED FUNCTIONAL MATERIALS 35 . 25 (2025) . |
| APA | Xiao, Zhen , Shen, Jinni , Jiang, Jianing , Zhang, Jiangjie , Liang, Shuqi , Han, Shitong et al. Synergetic Atom-Island and Metal Alloy Triggering Tandem Reaction for CH4 Photooxidation to CH3OH . | ADVANCED FUNCTIONAL MATERIALS , 2025 , 35 (25) . |
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Photocatalytic nitrogen fixation under mild conditions remains an open challenge due to the low carrier separation efficiency and discrete active sites of conventional photocatalysts. Defect engineering and heterojunctions have emerged as effective strategies to address these issues by enhancing charge carrier mobility and increasing the number of active sites for nitrogen activation. In this study, spherical Bi2MoO6/Mo-Bi2O3 composite photocatalysts with different Mo/Bi ratios are reported to be photocatalytically active for ammonia synthesis from N2 and H2O under full-spectrum light. Bi2MoO6/Mo-Bi2O3 with a Mo/Bi ratio of 24/100 shows the highest activity, with an ammonia production rate as high as 141.93 mu mol g-1 h-1. This high photocatalytic activity is attributed to the formation of a micro-heterojunction of Bi2MoO6 on Mo-doped Bi2O3 and the presence of oxygen vacancies (Ov) at the interfacial surface between two phases. The Ov enhances the adsorption and activation of N2 and H2O molecules, while the micro-heterojunction improves separation efficiency of photogenerated charges. More importantly, N2 molecules and H2O molecules could be adsorbed at Bi3+ and Mo5+ sites at two sides of the Ov at the interfacial surface between Bi2MoO6 and Mo-Bi2O3 to form a N2/Bi-OV-Mo/H2O cyclic transition state. Upon illumination, the photogenerated electrons and holes transfer to the Bi and Mo sites, where they are captured by N2 and H2O molecules, respectively. In this way, N2 and H2O are transformed step by step into NH3 and O2. This work underscores the synergistic roles of the micro-heterojunction and oxygen vacancies of Bi2MoO6/Bi2O3 for enhancing photocatalytic nitrogen fixation. The proposed mechanism offers valuable insights for designing high-performance photocatalysts for photocatalytic ammonia production.
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| GB/T 7714 | Wu, Dan , Hong, Lu , Gu, Xin et al. Spherical micro-heterostructured Bi2MoO6/Mo-Bi2O3 with interfacial oxygen vacancies enabling efficient photocatalytic NH3 production from N2 and H2O [J]. | CATALYSIS SCIENCE & TECHNOLOGY , 2025 , 15 (18) : 5480-5490 . |
| MLA | Wu, Dan et al. "Spherical micro-heterostructured Bi2MoO6/Mo-Bi2O3 with interfacial oxygen vacancies enabling efficient photocatalytic NH3 production from N2 and H2O" . | CATALYSIS SCIENCE & TECHNOLOGY 15 . 18 (2025) : 5480-5490 . |
| APA | Wu, Dan , Hong, Lu , Gu, Xin , Liu, Yanan , Li, Haohong , Shen, Jinni et al. Spherical micro-heterostructured Bi2MoO6/Mo-Bi2O3 with interfacial oxygen vacancies enabling efficient photocatalytic NH3 production from N2 and H2O . | CATALYSIS SCIENCE & TECHNOLOGY , 2025 , 15 (18) , 5480-5490 . |
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Two dimensional (2D) nanosheet photocatalysts have received intensive attention for various incomparable advantages. However, fabricating single-atom-thick photocatalyst nanosheets remains challenging. In this work, we developed monolayer nanosheets of Ti0.91O2 photocatalysts via the hydrazine assisted hydrothermal exfoliation of multilayer nanosheets. The hydrazine hydrate used for exfoliation can simultaneously serve as a sacrificial agent. Thepristine monolayer Ti0.91O2 photocatalysts achieved a hydrogen production rate of 6.22 mmol h-1 g-1 from water splitting, representing a fourfold enhancement over multilayer nanosheets. Upon loading Pt nanoparticles, the hydrogen production activity of Ti0.91O2 monolayer nanosheets increased to 13.28 mmol h-1 g-1. The monolayer nanosheets of Ti0.91O2 photocatalysts markedly enhanced the separation efficiency of photogenerated charge carriers. Furthermore, we demonstrate that the photogenerated electrons migrate to the edge of Ti0.91O2 monolayer nanosheets for the reduction reaction, while the photooxidation occurred on the surface of the nanosheets. This study provides valuable insights into the design of nanosheet photocatalysts.
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| GB/T 7714 | Qiu, Canyi , Xu, Mukun , Han, Shitong et al. Building monolayer Ti0.91O2 nanosheets to enhance hydrogen production for photocatalytic water splitting [J]. | CATALYSIS SCIENCE & TECHNOLOGY , 2025 , 15 (19) : 5827-5836 . |
| MLA | Qiu, Canyi et al. "Building monolayer Ti0.91O2 nanosheets to enhance hydrogen production for photocatalytic water splitting" . | CATALYSIS SCIENCE & TECHNOLOGY 15 . 19 (2025) : 5827-5836 . |
| APA | Qiu, Canyi , Xu, Mukun , Han, Shitong , Guo, Liuhan , Zhao, Hua , Shen, Jinni et al. Building monolayer Ti0.91O2 nanosheets to enhance hydrogen production for photocatalytic water splitting . | CATALYSIS SCIENCE & TECHNOLOGY , 2025 , 15 (19) , 5827-5836 . |
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Heterojunction engineering is a powerful approach for improving the separation efficiency of photogenerated charge carriers. In this study, ultrathin 2D/2D CeVO4/WO3 center dot H2O heterojunction nanosheets are synthesized via electrostatic self-assembly of ultrathin CeVO4 (similar to 1.3 nm) and WO3 center dot H2O (similar to 2.4 nm) nanosheets for greatly enhancing photocatalytic CO2 reduction and H2O oxidation performance. The 2D heterojunction nanosheets process a Z-scheme charge transfer pathway to effectively promote charge separation efficiency and superior redox capabilities. Concurrently, the ultrathin heterojunction configuration substantially reduces the migration distance of charge carriers. These synergistic effects endow the CeVO4/WO3 center dot H2O composite with the marked CH4 and CO production rates of 8.4 mu mol center dot g(-1)center dot h(-1) and 38.5 mu mol center dot g(-1)center dot h(-1) under full-spectrum illumination. The CO generation rate of the ultrathin heterojunction surpasses pure WO3 center dot H2O by similar to 32 times and CeVO4 by similar to 18 times. This study also provides insights into the rational design of heterojunction nanosheet photocatalysts for CO2 reduction with H2O.
Keyword ：
2D/2D heterojunctions 2D/2D heterojunctions CeVO4 CeVO4 Photocatalytic CO2 reduction Photocatalytic CO2 reduction Ultrathin nanosheets Ultrathin nanosheets WO3 center dot H2O WO3 center dot H2O
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| GB/T 7714 | Fu, Chen , Li, Hongjiang , Jiang, Jianing et al. Building ultrathin nanosheet CeVO4/WO3•H2O Z-scheme heterojunction for boosting photocatalytic CO2 reduction [J]. | CHEMICAL ENGINEERING JOURNAL , 2025 , 519 . |
| MLA | Fu, Chen et al. "Building ultrathin nanosheet CeVO4/WO3•H2O Z-scheme heterojunction for boosting photocatalytic CO2 reduction" . | CHEMICAL ENGINEERING JOURNAL 519 (2025) . |
| APA | Fu, Chen , Li, Hongjiang , Jiang, Jianing , Shen, Jinni , Long, Jinlin , Dai, Wenxin et al. Building ultrathin nanosheet CeVO4/WO3•H2O Z-scheme heterojunction for boosting photocatalytic CO2 reduction . | CHEMICAL ENGINEERING JOURNAL , 2025 , 519 . |
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Photocatalytic oxidative coupling of methane (POCM) is a direct way for the methane transformation into >= C2 alkanes. However, the typical oxygen activation path often leads to the formation of strong oxidizing superoxide radical (O-2(-)) species, which makes the whole reaction face serious selectivity problems. Herein, we constructed N and oxygen vacancy dual active sites on TiO2{001} nanosheets (TiO2-NVo) to regulate the oxygen activation pathway and achieve a high activity and selectivity of photocatalytic OCM. Compared with ordinary Au/TiO2{001} nanosheets, the alkane yields of Au/TiO2-NVo are increased from 16 mu mol h(-1) to 32 mu mol h(-1), and the selectivity of alkanes increased from 61% to 93%. The performance is superior when compared with the reported till date in photocatalytic OCM in batch reactors. The superior performance originates from the unique N-V-o dual active sites for synergistically cleaving the detrimental O-2(-) into desirable mono-oxygen active species (O-) to suppress undesired overoxidation reaction. The formed O- species from O-2(-) dissociation, in turn, is active for the selective H abstraction of CH4 into center dot CH3 to improve the subsequent C-C coupling reaction on the Au nanocluster surface. This work provides a new approach of O-2 dissociation to address the overoxidation of methane in an aerobic environment for achieving highly selective CH4 conversion.
Keyword ：
dual sites dual sites high selectivity high selectivity O-2 dissociation O-2 dissociation oxidative coupling of methane oxidative coupling of methane photocatalysis photocatalysis
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| GB/T 7714 | Zhang, Jiangjie , Zhang, Junhui , Shen, Jinni et al. Regulation of Oxygen Activation Pathways to Optimize Photocatalytic Methane Oxidative Coupling Selectivity [J]. | ACS CATALYSIS , 2024 , 14 (6) : 3855-3866 . |
| MLA | Zhang, Jiangjie et al. "Regulation of Oxygen Activation Pathways to Optimize Photocatalytic Methane Oxidative Coupling Selectivity" . | ACS CATALYSIS 14 . 6 (2024) : 3855-3866 . |
| APA | Zhang, Jiangjie , Zhang, Junhui , Shen, Jinni , Li, Dongmiao , Long, Jinlin , Dai, Wenxin et al. Regulation of Oxygen Activation Pathways to Optimize Photocatalytic Methane Oxidative Coupling Selectivity . | ACS CATALYSIS , 2024 , 14 (6) , 3855-3866 . |
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Halogenated methane serves as a universal platform molecule for building high-value chemicals. Utilizing sodium chloride solution for photocatalytic methane chlorination presents an environmentally friendly method for methane conversion. However, competing reactions in gas-solid-liquid systems leads to low efficiency and selectivity in photocatalytic methane chlorination. Here, an in situ method is employed to fabricate a hydrophobic layer of TaOx species on the surface of NaTaO3. Through in-situ XPS and XANES spectra analysis, it is determined that TaOx is a coordination unsaturated species. The TaOx species transforms the surface properties from the inherent hydrophilicity of NaTaO3 to the hydrophobicity of TaOx/NaTaO3, which enhances the accessibility of CH4 for adsorption and activation, and thus promotes the methane chlorination reaction within the gas-liquid-solid three-phase system. The optimized TaOx/NaTaO3 photocatalyst has a good durability for multiple cycles of methane chlorination reactions, yielding CH3Cl at a rate of 233 mu mol g(-1) h(-1) with a selectivity of 83%. In contrast, pure NaTaO3 exhibits almost no activity toward CH3Cl formation, instead catalyzing the over-oxidation of CH4 into CO2. Notably, the activity of the optimized TaOx/NaTaO3 photocatalyst surpasses that of reported noble metal photocatalysts. This research offers an effective strategy for enhancing the selectivity of photocatalytic methane chlorination using inorganic chlorine ions.
Keyword ：
hydrophobicity hydrophobicity methane chlorination methane chlorination photocatalysis photocatalysis TaOx TaOx ultrathin layer ultrathin layer
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| GB/T 7714 | Li, Dongmiao , Lin, Min , Zhang, Jiangjie et al. Hydrophobic TaOx Species Overlayer Tuning Light-Driven Methane Chlorination with Inorganic Chlorine [J]. | SMALL , 2024 , 20 (38) . |
| MLA | Li, Dongmiao et al. "Hydrophobic TaOx Species Overlayer Tuning Light-Driven Methane Chlorination with Inorganic Chlorine" . | SMALL 20 . 38 (2024) . |
| APA | Li, Dongmiao , Lin, Min , Zhang, Jiangjie , Qiu, Chengwei , Chen, Hui , Xiao, Zhen et al. Hydrophobic TaOx Species Overlayer Tuning Light-Driven Methane Chlorination with Inorganic Chlorine . | SMALL , 2024 , 20 (38) . |
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Efficient photocatalytic reduction of CO2 to high-calorific-value CH4, an ideal target product, is a blueprint for C-1 industry relevance and carbon neutrality, but it also faces great challenges. Herein, we demonstrate unprecedented hybrid SiC photocatalysts modified by Fe-based cocatalyst, which are prepared via a facile impregnation-reduction method, featuring an optimized local electronic structure. It exhibits a superior photocatalytic carbon-based products yield of 30.0 mu mol g(-1) h(-1) and achieves a record CH4 selectivity of up to 94.3%, which highlights the effectiveness of electron-rich Fe cocatalyst for boosting photocatalytic performance and selectivity. Specifically, the synergistic effects of directional migration of photogenerated electrons and strong pi-back bonding on low-valence Fe effectively strengthen the adsorption and activation of reactants and intermediates in the CO2 -> CH4 pathway. This study inspires an effective strategy for enhancing the multielectron reduction capacity of semiconductor photocatalysts with low-cost Fe instead of noble metals as cocatalysts.
Keyword ：
artificial synthesis of CH4 artificial synthesis of CH4 electronic structure optimization electronic structure optimization Fe species cocatalyst Fe species cocatalyst photocatalytic CO2 reduction photocatalytic CO2 reduction SiC SiC
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| GB/T 7714 | Lin, Qianying , Zhao, Jiwu , Zhang, Pu et al. Highly selective photocatalytic reduction of CO2 to CH4 on electron-rich Fe species cocatalyst under visible light irradiation [J]. | CARBON ENERGY , 2024 , 6 (1) . |
| MLA | Lin, Qianying et al. "Highly selective photocatalytic reduction of CO2 to CH4 on electron-rich Fe species cocatalyst under visible light irradiation" . | CARBON ENERGY 6 . 1 (2024) . |
| APA | Lin, Qianying , Zhao, Jiwu , Zhang, Pu , Wang, Shuo , Wang, Ying , Zhang, Zizhong et al. Highly selective photocatalytic reduction of CO2 to CH4 on electron-rich Fe species cocatalyst under visible light irradiation . | CARBON ENERGY , 2024 , 6 (1) . |
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