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Two-dimensional RGO-bridge S-scheme phosphorus-doped g-C_(3)N_(4)/Bi_(5)O_(7)Ivan der Waals heterojunctions for efficient visible-light photocatalytic treatment of real pharmaceutical wastewater

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science China(Technological sciences) 2023年第10期66卷 3011-3024页

作者： WANG ZhenZhou XU XiWei DENG Fang DIONYSIOU Dionysios D LI XiBao PENG JunLong LUO XuBiao ZOU JianPing LUO ShengLian National-Local Joint Engineering Research Center of Heavy Metal Pollutants Control and Resource Utilization Nanchang Hangkong UniversityNanchang 330063China Environmental Engineering and Science Program Department of Chemical and Environmental Engineering(DChEE)University of CincinnatiCincinnati 45221-0012USA

The design of van der Waals heterojunctions with S-scheme charge transfer pathway is expected to be an effective strategy for improvement of photocatalytic ***,two-dimensional(2D)phosphorus-doped g-C_(3)N_(4)/Bi_(5)O_(7)Ivan der Waals heterojunctions with reduced graphene oxide as electron bridge(PCN/RGO/Bi_(5O)_(7)I)were successfully synthesized via hydrothermal *** van der Waals interaction endowed 2D PCN/RGO/Bi_(5O)_(7)I with intimate contact interface,lattice match,tunable band structure,and internal electric field,which efficiently promoted interfacial charge separation and enhanced redox ability of photogenerated charge *** a result,the S-scheme PCN/RGO/Bi_5O_7I van der Waals heterojunctions exhibited superior photocatalytic performance in ciprofloxacin degradation and real pharmaceutical wastewater *** optimized 12%PCN/RGO/Bi_5O_7I displayed the highest photocatalytic activity with 92%removal of ***,the COD removal efficiency and extent of mineralization of real pharmaceutical wastewater reached 66.9%and 59.8%,respectively,and the biodegradability of pharmaceutical wastewater was significantly *** photocatalytic mechanism of the S-scheme PCN/RGO/Bi_(5)O_(7)I van der Waals heterojunctions based on the analysis of reactive species,work function,and internal electric field was *** study provides fresh insights into plausible design of S-scheme van der Waals heterojunction to enhance photocatalytic redox ability.

关键词： S-scheme heterojunction van der Waals heterostructure photocatalytic degradation ciprofloxacin energy consumption

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Trends in Electrocatalysis: The Microenvironment Moves to Center Stage

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ACS ENERGY LETTERS 2023年第9期8卷 3935-3940页

作者： Schreier, Marcel Kenis, Paul Che, Fanglin Hall, Anthony Shoji Department of Chemical and Biological Engineering University of Wisconsin-Madison Madison Wisconsin 53706 United States Department of Chemistry University of Wisconsin-Madison Madison Wisconsin 53706 United States Department of Chemical and Biomolecular Engineering University of Illinois Urbana-Champaign Urbana Illinois 61801 United States Department of Chemical Engineering Francis College of Engineering University of Massachusetts Lowell One University Avenue Lowell Massachusetts 01854 United States Department of Materials Science and Engineering Johns Hopkins University Baltimore Maryland 21218 United States

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Rheological and stability analysis of cement pastes incorporating silica-based wastes

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Particuology 2024年第6期89卷 144-152页

作者： Julia da Rosa Martins Janaíde Cavalcante Rocha Dachamir Hotza Luciano Senff Graduate Program in Materials Science and Engineering(PPGMAT) Federal University of Santa Catarina(UFSC)Florianópolis88040-900SCBrazil Graduate Program in Civil Engineering(PPGEC) Federal University of Santa Catarina(UFSC)Florianópolis88040-900SCBrazil Graduate Program in Chemical Engineering(POSENQ) Federal University of Santa Catarina(UFSC)Florianópolis88040-900SCBrazil Department of Mobility Engineering Federal University of Santa Catarina(UFSC)Joinville89219-600SCBrazil

This study investigates the influence of waste characteristics,especially zeta potential,on the properties of cement pastes and *** focus is to evaluate the impact of the zeta potential of cement particles and waste materials on the sedimentation speed,rheology,and hardening time of stabilized cement *** Cement II F 40,retarder additive,silica,and fly ash were used in the *** pastes were prepared,and during the stabilization period,their rheological properties and pH were *** zeta potential and sedimentation speed of the cement and waste particles were measured at the pH that the pastes presented during the entire stabilization *** the stabilization period,the pastes were subjected to the hardening time *** zeta potential analyses revealed diverse values for the different powder types,with the cement particles exhibiting a zeta potential of−3.0 mV,the silica particles exhibiting−10.5 mV,and the fly ash particles exhibiting−20.3 *** influence of the high zeta potential modulus was observed on the sedimentation speed,with the solution containing fly ash exhibiting a speed of 40.01μm/s,whereas the solution containing only cement exhibited a speed of 99.38μm/*** the pastes,the results indicate that the presence of fly ash particles with a significantly negative zeta potential led to a 16%reduction in hardening time compared to particles with a lower modulus of zeta *** tests showed that the inclusion of fly ash particles prevented the formation of *** the zeta potential influenced agglomerate formation and hardening time,it was found to have no effect on yield stress or viscosity.

关键词： Wastes Zeta potential Setting time Rheometry

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Assembly of exfoliated α-zirconium phosphate nanosheets:Mechanisms and versatile applications

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Aggregate 2022年第4期3卷 41-60页

作者： Hao Ding Abbas Ahmed Kuangyu Shen Luyi Sun Polymer Program Institute of Materials ScienceUniversity of ConnecticutStorrsConnecticutUSA Department of Chemical and Biomolecular Engineering University of ConnecticutStorrsConnecticutUSA Department of Biomedical Engineering University of ConnecticutStorrsConnecticutUSA

α-Zirconium phosphate(Zr(HPO_(4))_(2)⋅H_(2)O,α-ZrP)is an inorganic layered *** the first report of crystallineα-ZrP in 1964,thanks to its simple synthesis and unique physiochemical properties,α-ZrP has found widespread application in many fields including mechanical reinforcing,barrier improvement,flame retardancy,anticorrosion,catalysis,environment,energy,and *** of the ease of exfoliation ofα-ZrP to obtain single-layer nanosheets,as well as its rich surface chemistry thanks to the high density of orderly arranged surface acidic hydroxyl groups,α-ZrP single-layer nanosheets are ideal building blocks for self-assembly or assembly with other *** assembly ofα-ZrP nanosheets could form a randomly dispersed structure(isotropic),roughly ordered structure(nematic),or highly ordered structure(smectic)within liquid colloids or solid hybrids(including hydrogels).Thanks to the combination of the unique structures and the novel functions of the components,the assembled materials have found a wide verity of applications due to their excellent *** this article,the methods to synthesizeα-ZrP,the approaches and mechanisms to exfoliateα-ZrP,and the strategies to assembleα-ZrP nanosheets to form various structures,as well as the applications of the assembled materials are *** emerging prospects ofα-ZrP nanosheets as a key material in next-generation functional applications are envisioned.

关键词： application assembly exfoliation nanosheets α-zirconium phosphate

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Scalable carbon-patterned layer enhances low-temperature performance of large-format lithium-ion batteries

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Journal of Energy Chemistry 2025年第06期 87-95页

作者： Jaejin Lim Siyoung Park Hyobin Lee Seungyeop Choi Gwonsik Nam Kyung-Geun Kim Jaecheol Choi Young-Gi Lee Yong Min Lee Department of Chemical and Biomolecular Engineering Yonsei University Department of Energy Science and Engineering Daegu Gyeongbuk Institute of Science and Technology (DGIST) Department of Battery Engineering Yonsei University Energy Science and Engineering Research Center Daegu Gyeongbuk Institute of Science and Technology (DGIST) Smart Materials Research Section Electronics and Telecommunications Research Institute (ETRI) 218 Gajeongno

With electric vehicles(EVs) emerging as a primary mode of transportation,ensuring their reliable operation in harsh environments is ***,lithium-ion batteries(LIBs) suffer from severe polarization at low temperatures,limiting their operation in cold *** addition,difficulties in discovering new battery materials have highlighted a growing demand for innovative electrode designs that achieve high performance,even at low temperatu *** address this issue,we prepared a thin,resistive,and patterned carbon interlayer on the anode current *** carbon-patterned layer(CPL) serves as a self-heating layer to efficiently elevate the entire cell temperature,thus improving the rate capability and cyclability at low temperatures while maintaining the performance at room ***,we validated the versatile applicability of CPLs to large-format LIB cells through experimental studies and electrochemo-thermal multiphysics modeling and simulations,with the results confirming 11% capacity enhancement in 21,700 cylindrical cells at a 0.5C-rate and-24℃.We expect this electrode design to offer reliable power delivery in harsh climates,thereby potentially expanding the applications of LIBs.

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Nanomaterials disrupting cell-cell junctions towards various diseases

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Nano Research 2023年第5期16卷 7053-7074页

作者： Shanbin Xu Xinlong Pang Xinyu Zhang Qian Lv Meng Zhang Jinping Wang Nengyi Ni Xiao Sun School of Chemistry and Pharmaceutical Engineering Medical Science and Technology Innovation CenterShandong First Medical University&Shandong Academy of Medical SciencesJinan 250000China Institute of Surface Analysis and Chemical Biology University of JinanJinan 250022China Department of Chemical and Biomolecular Engineering National University of SingaporeSingapore 117585Singapore

As the continuous development of the industrial revolution,nanomaterials with excellent characteristics have been widely applied in various fields,greatly increasing the probability of human exposure to nanomaterials and the concerns about the potential *** studies have shown that the toxicity of nanomaterials may be closely related to oxidative stress,inflammatory response,phagocytosis dysfunction,DNA damage,*** on our focus,nanomaterials may cross the human barrier through various channels and disrupt various cell-cell junctions,while the integrity of cellular barrier is a necessary for the normal physiological function of various ***,until now,there is still a lack of systematic discussion in this *** review illustrates the importance of cell-cell junctions in maintaining various organ functions and highlights the mechanism of various nanomaterials disrupt cell-cell junctions,as well as the possible damage to various organs,such as brain,eye,lung,breast,intestine,placenta,testis,heart,liver,kidney,skin,*** of the potential negative effects of nanomaterials will help scientists deeply understand the limitations of nanotechnology,inspiring them to develop safer and more efficient nanomaterials for future personalized nanomedicine.

关键词： nanomaterials nanotoxicity cell-cell junctions organ damage

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Eutrophication of seawater intensified biocorrosion of copper caused by Desulfovibrio vulgaris biofilm

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Journal of Materials science & Technology 2024年第27期194卷 110-123页

作者： Shihang Lu Haixia Zhu Jiahao Sun Tingyue Gu Nianting Xue Shiqiang Chen Guangzhou Liu Wenwen Dou Institute of Marine Science and Technology Shandong UniversityQingdao 266237China Department of Pharmacology School of Pharmaceutical SciencesCheeloo College of MedicineShandong UniversityJinan 250100China Department of Chemical and Biomolecular Engineering Institute for Corrosion and Multiphase TechnologyOhio UniversityAthensOH45701USA

Seawater eutrophication increases the abundance of microbial communities and metabolic activities of microorganisms in seawater and potentially impacts microbiologically influenced corrosion(MIC).Copper as a common material in marine structures and nuclear waste containers faces serious MIC *** study investigated the copper MIC caused by Desulfovibrio vulgaris in anaerobic artificial seawater(ASW)with four eutrophication levels:pure ASW(PASW),oligotrophication ASW(OASW),mesotrophica-tion ASW(MASW),and eutrophication ASW(EASW).It was found that the copper MIC increased along with the eutrophication *** higher eutrophication led to an increase in the planktonic and Cu surface sessile *** cell counts and H2 S concentration in the headspace of anaerobic *** re-sultant weight loss and maximum pitting depth of copper in OASW were 2.0 and 2.4 times those in PASW,while their values in EASW were 2.8 and 4.2 times after 10 d of incubation,*** ex-perimental results combined with a bioenergetic analysis in this study indicated the copper MIC caused by *** as belonging to biogenic H2 S corrosion(i.e.,metabolite MIC or M-MIC),which was further confirmed by the identical cytochrome c(Cyt c)(redox-active protein for extracellular electron transfer)expression levels of the planktonic *** cells and sessile cells on copper.

关键词： Eutrophic seawater Desulfovibrio vulgaris Metabolite-microbiologically influenced corrosion Copper corrosion Cytochrome c

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Carbon nanofiber catalysts containing high-entropy metal phosphides with low-content Ru for highly efficient hydrogen evolution reaction

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Rare Metals 2025年第1期44卷 324-335页

作者： Peng Wang Jie Zheng Xue-Hao Li Wen-Bo Cui Jin-Hua Liu Yong Wan Jun Zhang Yusuke Yamauchi Zhong-Li Wang Mang Niu Yun-Ze Long Shandong Key Laboratory of Medical and Health Textile Materials College of PhysicsQingdao UniversityQingdao 266071China Industrial Research Institute of Nonwovens and Technical Textiles Shandong Center for Engineered Nonwovens(SCEN)College of Textiles ClothingQingdao UniversityQingdao 266071China State Key Laboratory of Bio-Fibers and Eco-textiles Institute of Biochemical EngineeringCollege of Materials Science and EngineeringQingdao UniversityQingdao 266071China School of Chemical Engineering and Australian Institute for Bioengineering and Nanotechnology(AIBN) The University of QueenslandBrisbaneQLD 4072Australia Department of Chemical and Biomolecular Engineering Yonsei UniversitySeoul 03722Republic of Korea Department of Materials Process Engineering Graduate School of EngineeringNagoya UniversityNagoya 464-8603Japan Tianjin Key Laboratory of Applied Catalysis Science and Technology School of Chemical Engineering and TechnologyTianjin UniversityTianjin300072China

High-entropy metal phosphide(HEMP)has considerable potential as an electrocatalyst owing to its beneficial properties,including high-entropy alloy synergy as well as the controllable structure and high conductivity of ***,electrospinning and in situ phosphating were employed to prepare three-dimensional(3D)networks of self-supporting HEMP nanofibers with varying degrees of phosphate *** characterizations via X-ray diffraction and X-ray photoelectron spectroscopy,as well as density functional theory calculations,demonstrate that the introduction of phosphorus(P)atoms to HEMP carbon nanofibers mediates their electronic structure,leads to lattice expansion,which in turn enhances their catalytic performance in the hydrogen evolution reaction(HER).Moreover,the formation of metal-P bonds weakens metal-metal interaction and decreases the free energy of hydrogen adsorption,contributing to the exceptional activity observed in the HEMP *** measurements demonstrate that the HEMP-0.75 catalyst with an ultralow loading of 1.22 wt%ruthenium(Ru)exhibits the highest HER catalytic activity and stability in a 1 M KOH electrolyte,achieving a minimal overpotential of 26 mV at a current density of 10 mA·cm^(-2)and Tafel slope of 50.9 mV·dec^(-1).

关键词： High-entropy metal phosphide Electrospinning Hydrogen evolution reaction Self-supporting carbon nanofibers

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Non-thermal plasma-catalytic processes for CO2 conversion toward circular economy: fundamentals, current status, and future challenges

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Environmental science and Pollution Research 2024年 1-21页

作者： Mukhtar, Ahmad Saqib, Sidra Mohotti, Dinithi Ndeddy Aka, Robinson Jr. Hossain, Mokter Agyekum-Oduro, Ekow Wu, Sarah Department of Chemical and Biological Engineering University of Idaho MoscowID83843 United States Environmental Science Program University of Idaho MoscowID83844 United States

Practical and energy-efficient carbon dioxide (CO2) conversion to value-added and fuel-graded products and transitioning from fossil fuels are promising ways to cope with climate change and to enable the circular economy. The carbon circular economy aims to capture, utilize, and minimize CO2 emissions as much as possible. To cope with the thermodynamic stability and highly endothermic nature of CO2 conversion via conventional thermochemical process, the potential application of non-thermal plasma (NTP) with the catalyst, i.e., the hybrid plasma catalysis process to achieve the synergistic effects, in most cases, seems to promise alternatives under non-equilibrium conditions. This review focuses on the NTP fundamentals and comparison with conventional technologies. A critical review has been conducted on the CO2 reduction with water (H2O), methane (CH4) reduction with CO2 to syngas (CO + H2), CO2 dissociation to carbon monoxide (CO), CO2 hydrogenation, CO2 conversion to organic acids, and one-step CO2–CH4 reforming to the liquid chemicals. Finally, future challenges are discussed comprehensively, indicating that plasma catalysis has immense investigative areas. © The Author(s) 2024.

关键词： Circular economy

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Unlocking Novel Functionality:Pseudocapacitive Sensing in MXene-Based Flexible Supercapacitors

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Nano-Micro Letters 2025年第4期17卷 212-229页

作者： Eunji Kim Seongbeen Kim Hyeong Min Jin Gyungtae Kim Hwi-Heon Ha Yunhui Choi Kyoungha Min Su-Ho Cho Hee Han Chi Won Ahn Jaewoo Roh Il-Kwon Oh Jinwoo Lee Yonghee Lee Department of Chemical and Biomolecular Engineering Korea Advanced Institute of Science and Technology(KAIST)291 Daehak-RoYuseong-GuDaejeon 34141Republic of Korea National Nano Fab Center(NNFC) 291 Daehak-RoYuseong-GuDaejeon 34141Republic of Korea Department of Organic Materials Engineering Chungnam National University99 Daehak-RoYuseong-GuDaejeon 34134Republic of Korea Department of Materials Science and Engineering Chungnam National University99 Daehak-RoYuseong-GuDaejeon 34134Republic of Korea Department of Nano&Advanced Materials Science and Engineering Kyungpook National University2559Gyeongsang-DaeroSangju-SiGyeongsangbuk-Do 37224Republic of Korea Department of Mechanical Engineering Korea Advanced Institute of Science and Technology(KAIST)291 Daehak-RoYuseong-GuDaejeon 34141Republic of Korea

Extensively explored for their distinctive pseudocapacitance characteristics,MXenes,a distinguished group of 2D materials,have led to remarkable achievements,particularly in the realm of energy storage *** work presents an innovative Pseudocapacitive *** key lies in switching the energy storage kinetics from pseudocapacitor to electrical double layer capacitor by employing the change of local pH(-log[H^(+)])in MXene-based flexible supercapacitors during *** sensing is observed in acidic electrolyte but absent in neutral *** shearing during bending causes liquid-crystalline MXene sheets to increase in their degree of anisotropic *** blocking of H+mobility due to the higher diffusion barrier,local pH *** electrochemical energy storage kinetics transits from Faradaic chemical protonation(intercalation)to non-Faradaic physical *** utilize the phenomenon of capacitance change due to shifting energy storage kinetics for strain sensing *** developed highly sensitive Pseudocapacitive Sensors feature a remarkable gauge factor(GF)of approximately 1200,far surpassing conventional strain sensors(GF:~1 for dielectric-cap sensor).The introduction of the Pseudocapacitive Sensor represents a paradigm shift,expanding the application of pseudocapacitance from being solely confined to energy devices to the realm of multifunctional *** technological leap enriches our understanding of the pseudocapacitance mechanism of MXenes,and will drive innovation in cutting-edge technology areas,including advanced robotics,implantable biomedical devices,and health monitoring systems.

关键词： MXenes Supercapacitors Pseudocapacitive sensing Local pH Operando measurements

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