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Fe^(3+) ion quantification with reusable bioinspired nanopores

Chinese Chemical Letters 2025年第2期36卷 179-184页

作者： Yanqiong Wang Yaqi Hou Fengwei Huo Xu Hou Institute of Flexible Electronics(IFE Future Technologies)Xiang'an CampusXiamen UniversityXiamen 361102China State Key Laboratory of Physical Chemistry of Solid Surfaces College of Chemistry and Chemical EngineeringXiamen UniversityXiamen 361005China Institute of Artificial Intelligence Xiamen UniversityXiamen 361005China Department of Physics Research Institute for Biomimetics and Soft MatterFujian Provincial Key Laboratory for Soft Materials ResearchJiujiang Research InstituteCollege of Physical Science and TechnologyXiamen UniversityXiamen 361005China Innovation Laboratory for Sciences and Technologies of Energy Materials of Fujian Province(IKKEM) Xiamen 361102China Engineering Research Center of Electrochemical Technologies of Ministry of Education Xiamen UniversityXiamen 361005China

Excessive Fe^(3+) ion concentrations in wastewater pose a long-standing threat to human *** low-cost,high-efficiency quantification of Fe^(3+) ion concentration in unknown solutions can guide environmental management decisions and optimize water treatment *** this study,by leveraging the rapid,real-time detection capabilities of nanopores and the specific chemical binding affinity of tannic acid to Fe^(3+),a linear relationship between the ion current and Fe^(3+) ion concentration was *** this linear relationship,quantification of Fe^(3+) ion concentration in unknown solutions was ***,ethylenediaminetetraacetic acid disodium salt was employed to displace Fe^(3+) from the nanopores,allowing them to be restored to their initial conditions and reused for Fe^(3+) ion *** reusable bioinspired nanopores remain functional over 330 days of *** recycling capability and the long-term stability of the nanopores contribute to a significant reduction in *** study provides a strategy for the quantification of unknown Fe^(3+) concentration using nanopores,with potential applications in environmental assessment,health monitoring,and so forth.

关键词： Bioinspired nanopores Fe^(3+)ion quantification Chemical binding affinity Tannic acid Reusability

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In-situ formation of layer-like Ag_(2)MoO_(4)induced by high-temperature oxidation and its effect on the self-lubricating properties of NiCoCrAlYTa/Ag/Mo coatings

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Journal of materials science & Technology 2021年第16期75卷 164-173页

作者： Enkang Hao Yulong An Jie Chen Xiaoqin Zhao Guoliang Hou Jianmin Chen Meizhen Gao Fengyuan Yan State Key Laboratory of Solid Lubrication Lanzhou Institute of Chemical PhysicsChinese Academy of SciencesLanzhou 730000China Center of Materials Science and Optoelectronics Engineering University of Chinese Academy of SciencesBeijing 100049China China Academy of Ordnance Science Ningbo Branch Ningbo 315103China Key Lab for Magnetism and Magnetic Materials of MOE School of Physical Science and TechnologyLanzhou UniversityLanzhou 730000China

Ag-Mo-O ternary oxide has attracted growing attention because of its potential as a solid lubricant at high *** work designs and prepares NiCoCrAlYTa/Ag/Mo composite coating,performed using high velocity oxy-fuel(HVOF)spraying *** environment temperature plays an important role in the microstructure and phases as well as lubricant properties of NiCoCrAlYTa/Ag/Mo *** the environment temperature is above 600℃,the outer diffusion and oxidation of Ag and Mo lead to the formation of Ag2 MoO4 on the coating ***-like Ag2 MoO4 could form a continuous lubricant film at 800℃and consequently let the composite coating present the best tribological ***,a small number of hard particles could play a good bearing role during friction and improve the tribological properties of the composite coating.

关键词： Microstructure evolution In-situ formation Ag_(2)MoO_(4) Layer-like structure High-temperature friction

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CuSbS_(2)薄膜光阴极的电子结构及其在光电催化分解水制氢的应用

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science China materials 2023年第9期66卷 3530-3538页

作者：钱静雯赵宇赵鹏举程浩然 Jan Philipp Hofmann 张洪良 State Key Laboratory of Physical Chemistry of Solid Surfaces College of Chemistry and Chemical EngineeringXiamen UniversityXiamen 361005China Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials Ministry-of-Education Key Laboratory for the Green Preparation and Application of Functional MaterialsHubei Key Laboratory of Polymer Materials(Hubei University)School of Materials Science and EngineeringHubei UniversityWuhan 430062China Surface Science Laboratory Department of Materials and Earth SciencesTechnical University of DarmstadtOtto-Berndt-Strasse 3Darmstadt 64287Germany

硫化锑铜(CuSbS_(2))是一种p型半导体,带隙为1.5 eV,同时拥有较大的光吸收系数(>105cm-1),因此在光电催化领域拥有广阔的应用前景.但是目前国内外的研究还缺乏对CuSbS_(2)电子结构以及其如何影响PEC性能的深入理解.为了进一步改善CuS... 详细信息

硫化锑铜(CuSbS_(2))是一种p型半导体,带隙为1.5 eV,同时拥有较大的光吸收系数(>105cm-1),因此在光电催化领域拥有广阔的应用前景.但是目前国内外的研究还缺乏对CuSbS_(2)电子结构以及其如何影响PEC性能的深入理解.为了进一步改善CuSbS_(2)的PEC性能,对其电子结构进行一系列表征分析是非常重要的.本文中,我们利用同步辐射技术揭示了CuSbS_(2)的电子结构.结果表明,CuSbS_(2)的价带(VB)由S 3p和Cu 3d的强杂交态组成,同时Sb 5p/5s也有部分影响.基于以上理论指导,我们设计了一种高质量Cu Sb S_(2)薄膜的制备技术,并使用FTO/CuSbS_(2)/CdS/Pt光电阴极在0.0 V下实现了CuSbS_(2)基材料的高光电流密度(6.3 mA cm^(-2)).

关键词：光吸收系数光电阴极同步辐射技术光电催化光阴极硫化锑光电流密度

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Indocyanine green-/TLR7 agonist-constructed thermosensitive liposome for low-temperature PTT induced synergistic immunotherapy of colorectal cancer

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Chinese Chemical Letters 2023年第5期34卷 499-504页

作者： Xiang Sun Yanmin Wang Tao Du Qiang Zhang Shuo Li Qinda Chen Miao Wang Xiumin Wang Lei Ren Xueqin Zhao Department of Biomaterials Higher Educational Key Laboratory for Biomedical Engineering of Fujian ProvinceResearch Center of Biomedical Engineering of XiamenCollege of MaterialsXiamen UniversityXiamen 361005China Zhejiang Provincial Key Laboratory of Silkworm Bioreactor and Biomedicine College of Life Science and MedicineZhejiang Sci-Tech UniversityHangzhou 310018China School of Pharmaceutical Sciences Xiamen UniversityXiamen 361102China State Key Laboratory of Physical Chemistry of Solid Surfaces College of Chemistry and Chemical EngineeringXiamen UniversityXiamen 361005China

Colorectal cancer(CRC)is a lethal malignancy with a high mortality rate due to its low immunogenicity,the strong immunosuppressive milieu and poor drug *** overcome these obstacles,a cascade synergistic nanosystem(denoted as R837/ICG@Lip)was developed via self-assembly of heater indocyanine green(ICG)and toll-like receptor-7 agonist imiquimod(R837)into thermosensitive liposome for simultaneous induction of immunogenic cell death(ICD)and reversing of suppressive tumor *** obtained nanoparticles exhibited NIR-triggered drug release,good photothermal conversion efficiency and phototoxicity towards CT26 colorectal cancer *** vivo results reveal that the R837/ICG@Lip could be effectively accumulated in CT26 subcutaneous tumors and the draining lymph *** importantly,R837/ICG@Lip-mediated low-temperature photothermal therapy triggers ICD,promotes the maturation of host dendritic cells(DCs),and subsequently amplifies adaptive antitumor T-cell responses,resulting in‘Cold to Hot'*** directly affecting immune cells,the secretion of some immune-related cytokines further indirectly boosted anti-cancer *** combining with the indoleamine 2,3-dioxygenase(IDO)inhibitor,the systemic antitumor immune response was further augmented,achieving best tumor inhibition ***,low-temperature mediated photoimmunotherapy targeting multiple antitumor immune pathways boost synergistic antitumor immunity of tolerance tumors.

关键词： Colorectal cancer Liposomes Photothermal therapy Immunotherapy Indocyanine green

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Oxygen pressure modulated magnetism and magnetic anisotropy of epitaxial transparent Yb2Ti2O7 pyrochlore films

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Physical Review B 2023年第9期108卷 094105-094105页

作者： Ming-Yuan Yan Zhen-Tao Pang Zhao-Cai Wang Zhong-Nan Xi Li- Da Chen Xiao-Yu Zhang Yu-Qi Wang Ren-Kui Zheng Yu Deng Shan-Tao Zhang National Laboratory of Solid State Microstructures College of Engineering and Applied Science & Jiangsu Key Laboratory of Artificial Functional Materials & Collaborative Innovation Center of Advanced Microstructures Nanjing University Nanjing 210093 China School of Materials Science and Engineering and Jiangxi Engineering Laboratory for Advanced Functional Thin Films Nanchang University Nanchang 330031 China School of Physics and Materials Science Guangzhou University Guangzhou 510006 China

Pyrochlore Yb2Ti2O7 has gained significant attention due to the low-temperature geometrical frustration induced unusual magnetic phase. Most experimental studies on Yb2Ti2O7 have been performed on polycrystalline bulk or single crystals; however, there have been a few reports detailing the structure and magnetism of Yb2Ti2O7 thin films. Here, we fabricated high-quality (001)-, (110)-, and (111)-epitaxial transparent Yb2Ti2O7 films on single-crystal yttria-stabilized ZrO2 (YSZ) substrates with various oxygen pressures by pulsed laser deposition. Structural characterizations confirm flat surface and uniform and well-defined atomic arrangement of the Yb2Ti2O7 films, as well as atomic-scale epitaxial and sharp Yb2Ti2O7/YSZ interface. The (111) oriented films fabricated at 10 Pa oxygen pressure have the highest magnetization value of 2.03μB/Yb, which is higher than that of bulk counterparts, due to the fact that the distorted Yb-tetrahedra induced by interfacial strain and defects can destroy magnetic frustration and enhance magnetization. Especially, the fabricated (001)-, (110)-, and (111)-epitaxial Yb2Ti2O7 films illustrate a significantly pronounced magnetic anisotropy, which results from the single ion anisotropy of Yb and the anisotropic exchange interactions. In addition, a wide-spectrum transmittance of ∼95% was achieved in (110)-epitaxial Yb2Ti2O7 films, which is comparable to the state-of-the-art transparent materials. Our work gives a comprehensive perspective on the structure, magnetism, magnetic anisotropy, and transmittance of Yb2Ti2O7 films, which may guide further work on pyrochlore materials.

关键词： Defects Magnetic anisotropy Interfaces Magnetic thin films

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Tribology behaviors of Ti-Ni51.5 at% shape memory alloy with different microstructures and textures

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Rare Metals 2021年第12期40卷 3616-3626页

作者： Rui Yang Song Li Nan Zhang Chao Wang Ting-Mei Wang Qi-Hua Wang Key Laboratory of Science and Technology on Wear and Protection of Materials Lanzhou Institute of Chemical PhysicsChinese Academy of SciencesLanzhou 730000China Center of Materials Science and Optoelectronics Engineering University of Chinese Academy of SciencesBeijing 100049China State Key Laboratory of Solid Lubrication Lanzhou Institute of Chemical PhysicsChinese Academy of SciencesLanzhou 730000China

The microstructure characteristics of TiNi alloy were investigated to elucidate the active deformation mechanisms during hot rolling and the corresponding tribology *** deformation was mainly dominated by a combination of mechanical twinning involving the {114}_(B2) and {112}_(B2) twins,dislocations,and stacking faults during the manufacturing ***,various heat treatments were performed to differentiate the discrepancies in tribological behaviors of hot-rolled and heattreated ***-rolled microstructures with high defect density approximate to nanoscale precipitates through aging as the wear resistance of the alloy improves,albeit it is softer compared to the aged *** demonstrated by the X-ray diffraction(XRD) results of the wear tracks,microstructures undergo the stress-induced martensitic(SIM) transformation during dry *** differential scanning calorimetry(DSC) analysis,the martensitic transformation temperature is lowered by defects in the austenite *** activation of the SIM transformation can be a sluggish process owing to the effect of twinning,where both primary and secondary twins are ***,a reversible transformation that is related to pseudoelasticity causes a decrease in wear volume at room temperature,which is higher than the austenite finish ***,abrasive wear advances toward ***,the hot-rolled sheet with y fiber-{111}//ND(normal direction) exhibits better wear resistance compared to the sheet with α fiber-{100}//ND.

关键词： B2 twin Texture Precipitates Tribology performance Ti-Ni51.5 at%

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Pyrolysis behaviour and kinetic analysis of waste polylactic acid composite reinforced with reed straw processing residue

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Carbon Resources Conversion 2024年第3期7卷 74-83页

作者： Bo Chen Sen Ma Sachin Kumar Zhitong Yao Wanqi Feng Jianbo Zhao Xu Zhang Di Cai Hui Cao Ian Watson Systems Power and Energy Research DivisionJames Watts School of EngineeringCollege of Science and EngineeringJames Watt SouthUniversity of GlasgowGlasgow G128QQUnited Kingdom College of Life Science and Technology Beijing University of Chemical TechnologyBeijing 100029PR China College of Energy State Key Laboratory of Physical Chemistry of Solid SurfacesXiamen UniversityXiamen 361102PR China Department of Energy Engineering Centre of Excellence-Green and Efficient Energy Technology(CoE-GEET)Central University of JharkhandRanchi 835205India College of Materials Science and Environmental Engineering Hangzhou Dianzi UniversityHangzhou 310018PR China College of Chemistry and Chemical Engineering Tarim UniversityAlarXinjiang 843300PR China National Energy R&D Center for Biorefinery Beijing University of Chemical TechnologyBeijing 100029PR China

The lignocellulose reinforced composites are commonly used sustainable materials with good mechanical and physical *** to properly dispose and recover the potential value of discarded lignocellulose reinforced composites,the pyrolysis behaviour and kinetics of reed straw processing residual/polylactic acid(RSPR/PLA)composites,a typical 3D printing material,was *** on the TG-FTIR results,the synergistic effects between RSPR and PLA during the pyrolysis process were *** with the FTIR spectra of PLA,the absorption peaks of CO and CO_(2)disappear in the FTIR spectra of RSPR/PLA composite,which indicates RSPR provides additional free radicals for the free radical reaction of PLA,and further promoting the *** apparent activation energy of the RSPR/PLA composite pyrolysis was calculated by two iso-conversional methods including Flynn-Wall-Ozawa(FWO)and Kissinger-Akahira-Sunose(KAS).The average Ea of the RSPR/PLA composite(122.6 kJ mol^(-1)(FWO)and 117.9 kJ mol^(-1)(KAS))was lower than that of solo pyrolysis of RSPR(138.5 kJ mol^(-1)(FWO)and 135.4 kJ mol^(-1)(KAS))and the pure PLA(197.0 kJ mol^(-1)(FWO)and 196.6 kJ mol^(-1)(KAS)).The master plot method results suggested the pyrolysis of RSPR/PLA composite followed the one-dimensional(D1)diffusion *** work provides an environmentally friendly strategy to effective thermo-chemical upgrading of the value of discarded lignocellulose reinforced composite material.

关键词： Biobased composite Pyrolysis conversion Synergy Bio-oil Reaction kinetics

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Crosstalk elimination study of 650 nm dense spectral beam combining system

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IEEE Photonics Technology Letters 2025年第16期37卷 881-884页

作者： Zhao, Bingxu Meng, Lingqian Zhou, Xuyan Liu, Jing Zhang, Nihui Qi, Aiyi Fu, Ting Xu, Chuanwang Zhang, Weiqiao Hu, Man Chen, Ao Zheng, Wanhua Shandong University School of Information Science and Engineering Qingdao266237 China Chinese Academy of Sciences Key Laboratory of Solid State Optoelectronics Information Technology Institute of Semiconductors Beijing100083 China Weifang Academy of Advanced Opto-Electronic Circuits Shandong Province Weifang261021 China Chinese Academy of Sciences State Key Laboratory on Integrated Optoelectronics Institute of Semiconductors Beijing100083 China University of Chinese Academy of Sciences Center of Materials Science and Optoelectronics Engineering Beijing100049 China University of Chinese Academy of Sciences College of Future Technology Beijing101408 China

In this paper, we established the first crosstalk elimination DSBC experimental system based on 11 650 nm COS (Chip on Submount) single emitters. The final output beam spectral width stabilizes over 10 nm with 11 completely discrete oscillations. Compared to the previous results [1], the new system’s final DSBC efficiency is improved by more than 13%, and the optimization of beam quality factor in the combining direction is close to 4.6%. With the excellent beam quality and stable locked spectrum, it has the potential to be applied in fields like solid-state laser pumping, which has a rather high value. © 1989-2012 IEEE.

关键词： Semiconductor lasers

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Comparative Study of TID Irradiation Effect on SiC Planar and Trench MOSFET 21

Comparative Study of TID Irradiation Effect on SiC Planar an...

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21st China International Forum on solid state Lighting and 10th International Forum on Wide Bandgap Semiconductors, SSLCHINA: IFWS 2024

作者： Fu, Zhen Shen, Zhanwei Tang, Xuan Huang, Yu Xu, Jinyi Huang, Kaige Zhang, Quan Chen, Yanning Xiao, Chao Huang, Kai Yue, Shizhong Wang, Zhijie Zhang, Feng the Beijing Smartchip Microelectronics Technology Co. Ltd Beijing102200 China the Laboratory of Solid-State Optoelectronics Information Technology Key Laboratory of Semiconductor Material Sciences Beijing Key Laboratory of Low Dimensional Semiconductor Materials and Devices Institute of Semiconductors Chinese Academy of Sciences Beijing100083 China the Center of Materials Science and Optoelectronics Engineering University of Chinese Academy of Sciences Beijing100049 China

ISBN: (纸本)9798331541149

In this work, the mechanisms of total ionizing dose irradiation (TID) induced charge collections are analyzed and compared between SiC planar and trench gate metal-oxide-semiconductor field effect transistor (DMOSFET and UMOSFET). The threshold shift and the blocking capability of the post-irradiated devices are strongly associated with degradation of the MOS channel regions. Furthermore, SiC UMOSFET with low dose irradiation of 100 Krad(Si) exhibits a higher degree of degradation of electrical characteristics than that of the DMOSFET with irradiation of 300 Krad(Si). For comparison, the fabricated DMOSFET shows negligible change in gate leakage current and stable blocking capability after 100 Krad(Si) irradiation. Also, the edge-corner topography of gate poly-Si in both of SiC MOSFETs is found to have influence on the formation of latent gate damage induced by TID irradiation. For purpose of deep understanding of these results, the charge interaction on both sides of the gate oxide is clarified by dynamic capacitance comparisons obtained by experimental and numerical methods. SiC UMOSFET with a large portion of the trench surrounded by p-type regions shows greater capacitance shift than the DMOSFET. It is indicated that the ratio of gate/p-type-regions overlap in one cell may have effects on the charge collection of post-irradiated devices. These results will provide meaningful guidance for the design and fabrication of a radiation tolerant SiC MOSFETs. ©2024 IEEE.

关键词： MOSFET devices

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Assessing the magnetic order dependent γ-surface of Cr-Co-Ni alloys

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Journal of materials science & Technology 2021年第21期80卷 66-74页

作者： Zhibiao Yang Song Lu Yanzhong Tian Zijian Gu Huahai Mao Jian Sun Levente Vitos Shanghai Key Laboratory of Advanced High-Temperature Materials and Precision Forming School of Materials Science and EngineeringShanghai Jiao Tong UniversityShanghai 200240China Applied Materials Physics Department of Materials Science and EngineeringRoyal Institute of TechnologyStockholm SE-10044Sweden Key Laboratory for Anisotropy and Texture of Materials(Ministry of Education) School of Materials Science and EngineeringNortheastern UniversityShenyang 110819China Unit of Structures Department of Materials Science and EngineeringKTHSE-10044StockholmSweden Thermo-Calc Software Råsundav.18SE-16767SolnaSweden Division of Materials Theory Department of Physics and Materials ScienceUppsala UniversityP.O.Box 516Uppsala SE-75120Sweden Research Institute for Solid State Physics and Optics Wigner Research Center for PhysicsBudapest H-1525P.O.Box 49Hungary

In order to efficiently explore the nearly infinite composition space in multicomponent solid solution alloys for reaching higher mechanical performance,it is important to establish predictive design strategies using computation-aided ***,using ab initio calculations we systematically study the effects of magnetism and chemical composition on the generalized stacking fault energy surface(γ-surface) of Cr-Co-Ni medium entropy alloys and show that both chemistry and the coupled magnetic state strongly affect the γ-surface,consequently,the primary deformation *** relations among various stable and unstable stacking fault energies are revealed and *** present findings are useful for studying the deformation behaviors of Cr-Co-Ni alloys and facilitate a density functional theory based design of transformation-induced plasticity and twinning-induced plasticity mechanisms in Cr-Co-Ni alloys.

关键词： Cr-Co-Ni alloys Stacking fault energy Transformation-induced plasticity Twinning-induced plasticity Ab initio

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