Ke Zheng, Yufeng Li, Bing Liu, Jie Chen, Yuebing Xu, Zaijun Li, Xiaohao Liu
{"title":"Phosphorus-substituted atomically dispersed Rh-N3P1 sites for efficient promotion in CO2 hydrogenation towards ethanol production","authors":"Ke Zheng, Yufeng Li, Bing Liu, Jie Chen, Yuebing Xu, Zaijun Li, Xiaohao Liu","doi":"10.1016/j.apcatb.2024.123730","DOIUrl":"10.1016/j.apcatb.2024.123730","url":null,"abstract":"<div><p>Ethanol synthesis through CO<sub>2</sub><span> hydrogenation has shown great promise in contributing to carbon neutrality. Herein, we for the first time present the phosphorus-substitution of atomically dispersed Rh-N</span><sub>4</sub> sites for the title reaction. The as-formed Rh-N<sub>3</sub>P<sub>1</sub> sites enable the reaction product notably switching from nearly total methanol (91.3%) towards major ethanol (81.8%) with a high TOF of 420.7 h<sup>−1</sup>. This outstanding promotion in both ethanol formation and CO<sub>2</sub> conversion (69% higher) could be assigned to the donation of electron from P atom effectively weakening C-O bond in CH<sub>3</sub>OH* , facilitating its cleavage into CH<sub>3</sub> * , and enabling the coupling between CO* and CH<sub>3</sub> * . The presence of Rh-P site pair assists C-O bond activation with a longer bond length owing to a strong affinity of P atom to O atom in CH<sub>3</sub>OH* . This research underscores the importance of tuning the coordination and electronic environment of active metal sites for site pair synergistic catalysis.</p></div>","PeriodicalId":244,"journal":{"name":"Applied Catalysis B: Environmental","volume":"346 ","pages":"Article 123730"},"PeriodicalIF":22.1,"publicationDate":"2024-01-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139460323","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Dedong He , Shaojie Wu , Xiaohua Cao , Dingkai Chen , Lei Zhang , Yu Zhang , Yongming Luo
{"title":"Dynamic trap of Ni at elevated temperature for yielding high-efficiency methane dry reforming catalyst","authors":"Dedong He , Shaojie Wu , Xiaohua Cao , Dingkai Chen , Lei Zhang , Yu Zhang , Yongming Luo","doi":"10.1016/j.apcatb.2024.123728","DOIUrl":"10.1016/j.apcatb.2024.123728","url":null,"abstract":"<div><p><span><span>Highly dispersed and stable metal catalysts with small nanoparticles have received extensive attention in elevated-temperature thermocatalytic process. However, the available strategies to stabilize metal sites, by constructing defective structures on catalyst supports and developing controllable preparation steps at room temperature, show limited effect, because these active metal sites can be mobile and sintering at elevated temperature. Herein, dealuminated Beta zeolite with abundant surface defects of silanol nests is applied as support, then dynamic trap strategy and subsequent reduction process at elevated temperature is devoted to transfer Ni-based precursors into the silanol nests, thus obtaining small nanoparticles Ni catalysts that are suitable for high-temperature </span>methane dry reforming (DRM). Some </span><em>in-situ</em> characterization processes and the ingenious designed experiments are performed to identify the dynamic trapping process. The rational fabricated catalysts exhibit high catalytic reactivity for DRM reaction in long-term operation.</p></div>","PeriodicalId":244,"journal":{"name":"Applied Catalysis B: Environmental","volume":"346 ","pages":"Article 123728"},"PeriodicalIF":22.1,"publicationDate":"2024-01-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139460210","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Peng Zhang, Cai Liang, Mudi Wu, Yongjie Li, Xiaoping Chen, Daoyin Liu, Jiliang Ma
{"title":"Sustainable microwave-driven CO2 gasification of plastic waste for high-yield H2 and CO production","authors":"Peng Zhang, Cai Liang, Mudi Wu, Yongjie Li, Xiaoping Chen, Daoyin Liu, Jiliang Ma","doi":"10.1016/j.apcatb.2024.123718","DOIUrl":"10.1016/j.apcatb.2024.123718","url":null,"abstract":"<div><p>The efficiency and sustainability for the recycling of plastic wastes into hydrogen was investigated. An integrated microwave-driven valorization of plastic wastes and CO<sub>2</sub> for H<sub>2</sub> and CO production was proposed. Specifically, plastic wastes were decomposed into H<sub>2</sub> and solid carbons, followed by carbon elimination via CO<sub>2</sub> gasification under microwave irradiation. Through the high-throughput screen of catalysts as well as the optimization of key parameters, over 96% hydrogen was converted into H<sub>2</sub> with a yield of 480 mmol∙g<sup>−1</sup>H<sub>plastic</sub> while the carbon conversion and CO<sub>2</sub> conversion reached up to 70% and 53%. The five-cycle successive test displayed extraordinarily high and stable catalytic activity due to the facile elimination of carbon deposition. The application for real-world plastic wastes further demonstrated the efficient microwave-driven CO<sub>2</sub> gasification of plastic wastes into H<sub>2</sub> and CO production as a feasible and sustainable technology toward the waste-to-energy circular economy.</p></div>","PeriodicalId":244,"journal":{"name":"Applied Catalysis B: Environmental","volume":"345 ","pages":"Article 123718"},"PeriodicalIF":22.1,"publicationDate":"2024-01-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139421096","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Ammonia synthesis over cesium-promoted mesoporous-carbon-supported ruthenium catalysts: Impact of graphitization degree of the carbon support","authors":"Shih-Yuan Chen , Li-Yu Wang , Kai-Chun Chen , Cheng-Hsi Yeh , Wei-Chih Hsiao , Hsin-Yu Chen , Masayasu Nishi , Martin Keller , Chih-Li Chang , Chien-Neng Liao , Takehisa Mochizuki , Hsin-Yi Tiffany Chen , Ho-Hsiu Chou , Chia-Min Yang","doi":"10.1016/j.apcatb.2024.123725","DOIUrl":"10.1016/j.apcatb.2024.123725","url":null,"abstract":"<div><p><span><span>Carbon-supported ruthenium catalysts facilitate electrically-assisted Haber–Bosch </span>ammonia synthesis<span>. However, the relationship between carbon supports and catalytic performance remains ambiguous. We developed ordered mesoporous carbon plates (MCPs) with varying graphitization degrees as Cs-promoted Ru catalyst supports, examining correlations between ammonia synthesis rate and key structural parameters, included graphitization degree, Ru nanoparticle size, and Cs/Ru ratio. High-graphitization-degree carbon supports resisted methanation and facilitated formation of reductive activation enabled dynamic Cs</span></span><sup>0</sup> species as electronic promotor, induced by spillover hydrogen from the Ru surface to CsOH. Density functional theory calculations further revealed that CsOH alleviated hydrogen poisoning. Notably, the catalyst supported on MCP-1100—which exhibited the highest graphitization degree among the supports and superior stability—with 10 wt% 2.3-nm-sized Ru nanoparticles and Cs/Ru = 2.5 achieved high ambient-pressure ammonia synthesis rates (7.9–43 mmol<sub>NH3</sub>·g<sup>−1</sup>·h<sup>−1</sup><span>) below 410 °C. Furthermore, it functioned under intermittent operating conditions, potentially integrating renewable-electricity-based electrolytic hydrogen production.</span></p></div>","PeriodicalId":244,"journal":{"name":"Applied Catalysis B: Environmental","volume":"346 ","pages":"Article 123725"},"PeriodicalIF":22.1,"publicationDate":"2024-01-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139460400","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Xinyu Wang , Junhua You , Jiali Ren , Yanjun Xue , Jian Tian , Hangzhou Zhang
{"title":"Heterointerface and crystallinity engineering of Ru/RuS2 dual co-catalysts for enhanced photocatalytic hydrogen evolution","authors":"Xinyu Wang , Junhua You , Jiali Ren , Yanjun Xue , Jian Tian , Hangzhou Zhang","doi":"10.1016/j.apcatb.2024.123722","DOIUrl":"https://doi.org/10.1016/j.apcatb.2024.123722","url":null,"abstract":"<div><p>In this paper, the Ru/RuS<sub>2</sub><span> nanoparticles as dual co-catalysts were self-assembled on the surface of g-C</span><sub>3</sub>N<sub>4</sub><span> nanotubes (Ru/RuS</span><sub>2</sub>/g-C<sub>3</sub>N<sub>4</sub> NTs) for photocatalytic H<sub>2</sub> production. The Ru/RuS<sub>2</sub>/g-C<sub>3</sub>N<sub>4</sub> NTs showed greatly enhanced photocatalytic H<sub>2</sub> production activity (1409 μmol·g<sup>−1</sup>·h<sup>−1</sup>), 1.16 times of RuS<sub>2</sub>/g-C<sub>3</sub>N<sub>4</sub> NTs (1212 μmol·h<sup>−1</sup>·g<sup>−1</sup>), 10.51 times of Ru/g-C<sub>3</sub>N<sub>4</sub> NTs (134 μmol·g<sup>−1</sup>·h<sup>−1</sup>), and 82.88 times of the pure g-C<sub>3</sub>N<sub>4</sub> NTs (17 μmol·g<sup>−1</sup>·h<sup>−1</sup>). Besides, the apparent quantum yield value (AQE) of Ru/RuS<sub>2</sub>/g-C<sub>3</sub>N<sub>4</sub> NTs is 3.92% at 370 nm. Ru/RuS<sub>2</sub> as dual co-catalysts are self-assembled on the surface of g-C<sub>3</sub>N<sub>4</sub> NTs and show strong electronic synergistic interaction between the interfaces, reduce Δ<em>G</em><sub>H*</sub> of RuS<sub>2</sub> and desorption energy of Ru, and promote the selectivity and activity of HER kinetically and thermodynamically respectively, which exhibits higher photogenerated carrier concentration and lower charge migration resistance than RuS<sub>2</sub><span> and Ru, showing the synergistic effect to facilitate the generation and migration of carriers and provides active sites for photocatalysis.</span></p></div>","PeriodicalId":244,"journal":{"name":"Applied Catalysis B: Environmental","volume":"345 ","pages":"Article 123722"},"PeriodicalIF":22.1,"publicationDate":"2024-01-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139436228","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ting Tang , Jiwu Zhao , Yongli Shen , Fan Yang , Shuang Yao , Changhua An
{"title":"Carbon dots bridged Zn0.5Cd0.5S with interfacial amide bond facilitating electron transfer for efficient photocatalytic hydrogen peroxide production","authors":"Ting Tang , Jiwu Zhao , Yongli Shen , Fan Yang , Shuang Yao , Changhua An","doi":"10.1016/j.apcatb.2024.123721","DOIUrl":"10.1016/j.apcatb.2024.123721","url":null,"abstract":"<div><p>Photocatalytic H<sub>2</sub>O<sub>2</sub><span> production has gained significant attention as an environmentally friendly approach. The key is to explore efficient photocatalysts with sufficient active sites and excellent electron transfer capacity. Herein, we propose a novel approach by incorporating carbon dots (CDs) on ethylenediamine capped Zn</span><sub>0.5</sub>Cd<sub>0.5</sub>S, which was bridged with an interfacial amide bond. Smooth transfer of photoinduced electrons from Zn<sub>0.5</sub>Cd<sub>0.5</sub>S to carbon dots via a high-speed electron channel is afforded by interfacial amide bond. A remarkable H<sub>2</sub>O<sub>2</sub><span> yield with a rate of 252 μmol/h and an apparent quantum yield (AQY) of 31 % at 400 nm is achieved. Photoelectrochemical analysis and density function theory (DFT) calculation reveal CDs with abundant oxygenous functional groups as active sites, boosting activity and selectivity. This interfacial engineering strategy with the acceleration of electrons transfer and enhanced 2e</span><sup>-</sup> selectivity can be applied to advanced photocatalytic systems for the achievement of valuable organics, environmental purification and new energy carriers.</p></div>","PeriodicalId":244,"journal":{"name":"Applied Catalysis B: Environmental","volume":"346 ","pages":"Article 123721"},"PeriodicalIF":22.1,"publicationDate":"2024-01-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139410191","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Yuanjing Zhang , Si Wang , Yusen Yang , Lei Wang , Enze Xu , Quandong Hou , Shiquan Zhao , Tianyong Liu , Song Hong , Lirong Zheng , Feng Li , Xin Zhang , Min Wei
{"title":"A switchable hydrogenation chemoselectivity of biomass platform compounds based on solvent regulation","authors":"Yuanjing Zhang , Si Wang , Yusen Yang , Lei Wang , Enze Xu , Quandong Hou , Shiquan Zhao , Tianyong Liu , Song Hong , Lirong Zheng , Feng Li , Xin Zhang , Min Wei","doi":"10.1016/j.apcatb.2024.123719","DOIUrl":"10.1016/j.apcatb.2024.123719","url":null,"abstract":"<div><p>Selective catalytic conversion of biomass-derived compounds to fuels and fine chemicals serves as a renewable energy pathway for the partial substitution of fossil resources, in which reaction pathway and selectivity control are key issues. Herein, we report a fully exposed Pt clusters immobilized on CoAl mixed metal oxides catalyst (denoted as Pt<sub><em>n</em></sub><span>/CoAl-MMOs), which exhibits prominent catalytic performance towards liquid phase hydrogenation reaction of furfural (FAL). Noteworthily, the hydrogenation chemoselectivity can be switched among four products </span><em>via</em><span> using four different solvents: tetrahydrofurfuryl alcohol (THFA; yield: 91.4%), furfuryl alcohol (FA; yield: 97.7%), 2-methylfuran (2-MF; yield: 92.1%) and furan (FU; yield: 90.8%) are obtained in ethanol, dioxane, isopropanol and </span><em>n</em>-hexane solvent, respectively. Experimental studies (<em>in situ</em> FT-IR and TPSR-Mass) combined with theoretical calculations (DFT) reveal that solvent molecules exert an essential influence on the adsorption configuration of FAL <em>via</em><span> changing the solvent-catalyst and/or substrate-catalyst interaction, which ultimately determines the hydrogenation pathway, key intermediate and final product. This work demonstrates a facile solvent-dependent product-switching strategy within one catalytic system, which opens up potential opportunities for tailoring hydrogenation selectivity in liquid-solid catalytic reactions towards biomass upgrading.</span></p></div>","PeriodicalId":244,"journal":{"name":"Applied Catalysis B: Environmental","volume":"346 ","pages":"Article 123719"},"PeriodicalIF":22.1,"publicationDate":"2024-01-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139410200","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jiahua Zhou , Jiayi Fu , Piaoping Yang , Kewei Yu , Stavros Caratzoulas , Weiqing Zheng , Dionisios G. Vlachos
{"title":"Controlling oxide promoter coverage and microstructure on metals of inverse catalysts: Application to liquid phase tetrahydrofurfuryl alcohol conversion to 1,5-pentanediol","authors":"Jiahua Zhou , Jiayi Fu , Piaoping Yang , Kewei Yu , Stavros Caratzoulas , Weiqing Zheng , Dionisios G. Vlachos","doi":"10.1016/j.apcatb.2024.123724","DOIUrl":"10.1016/j.apcatb.2024.123724","url":null,"abstract":"<div><p>Metal M<sub>1</sub>/metal oxide M<sub>2</sub>O<sub>x</sub> (M<sub>1</sub>M<sub>2</sub>O<sub>x</sub><span>) inverse catalysts, where the oxide layer rests atop metal, have gained attention for their distinct catalytic performance. They are intensively studied in biomass upgrading, e.g., the hydrogenolysis of tetrahydrofurfuryl alcohol to produce 1,5-pentanediol. Pt and MO</span><sub>x</sub> (M = W, Mo, Re, Nb) exhibit remarkable synergism in activity and selectivity, but the active sites remain poorly understood. Here, we examine the influence of oxide loading on PtMO<sub>x</sub> inverse catalysts and introduce a high-pressure wash treatment to leach the excess oxide from carbon and optimize their structure. The findings reveal a saturation sub-monolayer MO<sub>x</sub><span> coverage with 2D atomic structure on Pt that is crucial for performance; excessive loading leads to nanocrystalline of lower activity, and low loading exposes unselective metal sites. Wash treatment selectively removes MO</span><sub>x</sub> from carbon, enhances their dispersion on Pt, and improves, in most cases, the performance. Tuning the inverse structure advances structure-reactivity understanding.</p></div>","PeriodicalId":244,"journal":{"name":"Applied Catalysis B: Environmental","volume":"346 ","pages":"Article 123724"},"PeriodicalIF":22.1,"publicationDate":"2024-01-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139409982","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Yue Liu , Yueyun Yang , Anjie Li , Jian Zhou , Ying Zhang , Tiecheng Wang , Hanzhong Jia , Lingyan Zhu
{"title":"Enhancing Cu-EDTA decomplexation in a discharge plasma system coupled with nanospace confined iron oxide: Insights into electron transfer and high-valent iron species","authors":"Yue Liu , Yueyun Yang , Anjie Li , Jian Zhou , Ying Zhang , Tiecheng Wang , Hanzhong Jia , Lingyan Zhu","doi":"10.1016/j.apcatb.2024.123717","DOIUrl":"10.1016/j.apcatb.2024.123717","url":null,"abstract":"<div><p>Decomplexation of heavy metal-organic complexes dominated by reactive oxygen species (ROS) oxidation had attracted extensive attention. Nanospace confinement is a novel strategy to enhance pollutant removal due to its regulation on ROS transformation and local accelerated dynamics. Herein, nano-confined Fe<sub>2</sub>O<sub>3</sub> catalyst supported by carbon nanotubes (Fe<sub>2</sub>O<sub>3</sub>-in-CNTs) was synthesized, and it displayed obvious synergistic effects on decomplexation of Cu-EDTA complex in a non-thermal plasma (NTP) process. Cu-EDTA decomplexation efficiency reached 98.8% within 20<!--> <!-->min in the NTP/Fe<sub>2</sub>O<sub>3</sub>-in-CNTs system, and the corresponding kinetic constant was 4.5 and 2.5 times as that in single NTP and unconfined systems, respectively. Based on experimental and theoretical results, nanospace confinement induced electron localization around Fe and C atoms and rearrangement of orbital electrons, favoring strongly oxidative Fe<sup>Ⅳ</sup> formation and catalytic decomposition of H<sub>2</sub>O<sub>2</sub> and O<sub>3</sub>. Nanospace confinement made Cu-EDTA decomplexation process transform from radical pathway to non-radical pathway. Cu-EDTA decomplexation pathways in the NTP/Fe<sub>2</sub>O<sub>3</sub>-in-CNTs were proposed.</p></div>","PeriodicalId":244,"journal":{"name":"Applied Catalysis B: Environmental","volume":"345 ","pages":"Article 123717"},"PeriodicalIF":22.1,"publicationDate":"2024-01-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139409845","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Bingjie Sun , Cheng Huang , Chenyu Yang , Da Ke , Ye Liu , Qi Lu , Xiufan Liu , Xuyang Xiong , Yuanzhen Chen , Qingqing Jiang , Juncheng Hu , Tengfei Zhou
{"title":"Atomic interfacial charge and energy transfer paths at MoS2/Pd bonded defect-rich BiOCl interfaces for efficient photocatalysis","authors":"Bingjie Sun , Cheng Huang , Chenyu Yang , Da Ke , Ye Liu , Qi Lu , Xiufan Liu , Xuyang Xiong , Yuanzhen Chen , Qingqing Jiang , Juncheng Hu , Tengfei Zhou","doi":"10.1016/j.apcatb.2024.123720","DOIUrl":"10.1016/j.apcatb.2024.123720","url":null,"abstract":"<div><p>Construction of heterogeneous transmission interfaces that spatially separate Coulomb-bound electron-hole pairs in semiconductors allows exceptional control over optoelectronic properties, thereby enhancing the efficiency of solar energy conversion. In this study, we propose an effective photocatalyst for full water splitting named MS/BOC-x/Pd, comprising atomic layer of MoS<sub>2</sub><span> bonded to defect-rich BiOCl, and a non-plasmonic Pd oxidation co-catalyst is exclusively assembled on the sides to form a strong electronic coupling and maximize the trapping of holes. The presence of the Mo-S-Bi motif promotes rapid charge migration, resulting in impressive rates of H</span><sub>2</sub> and O<sub>2</sub> formation (165 and 9.17 μmol g<sup>−1</sup> h<sup>−1</sup>, respectively), without the requirement of sacrificial agents or sensitizers. Through experimental and theoretical investigations, we discovered that the occupation of sulfur atoms in oxygen vacancies extends the overlap of surface charges, thereby facilitating the separation of inner/interfacial electron-hole pairs. The Mo-S-Bi bond provides directional guidance for charge transfer to the surface redox sites. These findings provide valuable insights for the future design of highly efficient photocatalysts for solar energy conversions.</p></div>","PeriodicalId":244,"journal":{"name":"Applied Catalysis B: Environmental","volume":"345 ","pages":"Article 123720"},"PeriodicalIF":22.1,"publicationDate":"2024-01-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139420896","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}