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A strong and reversible adhesive fibrillar surface based on an advanced composite with high strength and strong adhesion

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International Journal of Smart and Nano Materials 2023年第1期14卷 103-121页

作者： Jian Liu Yin Yao Shaohua Chen Xiaohong Li Zhijun Zhang Institute of Advanced Structure Technology Beijing Institute of TechnologyBeijingChina Beijing Key Laboratory of Lightweight Multi-functional composite Materials and Structures Beijing Institute of TechnologyBeijingChina henan heda nanomaterial engineering research center co.ltd Henan UniversityJiyuanChina

A material-structure integrated design method is proposed in this paper,with which micropillar and microwedge arrayed surfaces are fabricated based on a novel nanoparticlereinforced silicone rubber composite(NRSRC)with high mechanical strength and strong surface *** is found that the micropillar-arrayed surface and the microwedgearrayed surface show a normal adhesive strength of 50.9 kPa and a shear adhesive strength of 137.3 kPa,respectively,which are much higher than those of previously reported adhesive surfaces made by pure soft ***,the micro-wedgearrayed surface shows not only strong and stable adhe-sion on rough and smooth substrates but also an obvious anisotropy in the adhesion *** latter consequently leads to an easy control of the attachment/detachment switch,which is evidenced by a mechanical gripper with a microwedged ***,firmly picking up and easily releasing a heavy glass plate can be *** these results demonstrate the apparent advantages of the present compo-sitebased fibrillar surfaces in achieving reliable and reversible adhesion and should have promising applications for manufac-turing advanced adhesive devices,such as mechanical fixtures,portable climbing equipment and space robots.

关键词： Material-structure integrated design method microstructured fibrillar surface silicone rubber composite material strong adhesion reversible adhesion

Insights into the mechanism of multiple Cu-doped co Fe_(2)O_(4)nanocatalyst activated peroxymonosulfate for efficient degradation of Rhodamine B

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Journal of Environmental Sciences 2024年第3期137卷 382-394页

作者： Yuanmin Mo Xiaoping Zhang School of Environment&Energy South China University of TechnologyGuangzhou Higher Education Mega CentreGuangzhou 510006China The Key Laboratory of Pollution control and Ecosystem Restoration in Industry Clusters of Ministry of Education Guangzhou 510006China Guangdong Provincial Key Laboratory of Solid Wastes Pollution control and Recycling Guangzhou 510006China Guangdong Provincial engineering and Technology research center for Environmental Risk Prevention and Emergency Disposal Guangzhou 510006China

The multiple metal catalyst as a promising nanomaterial has shown excellent activity in the peroxymonosulfate(PMS)activation for pollutant ***,the role of special sites and in-depth understanding of the PMS activation mechanism are not fully *** this study,a Cu-doped coFe_(2)O_(4)nanocatalyst(0.5CCF)was synthesized by a sol-gel and calcination method,and used for PMS activation to remove Rhodamine B(RhB).The results showed that the Cu doping obviously enhanced the catalytic performance of coFe_(2)O_(4),with 99.70%of RhB removed by 0.5CCF while 74.91%in the coFe_(2)O_(4)within 15 *** on the X-ray photoelectron spectroscopy and electrochemical analysis,this could be ascribed to the more low valence of co and Fe species generated on the 0.5CCF and faster electron transfers occurred in the 0.5CCF due to the Cu *** addition,Cu doping could provide more reaction sites for the 0.5CCF to activate PMS for RhB *** metal species and the surface hydroxyl were the reaction sites of PMS activation,and the surface hydroxyl played an important role in surface-bound reactive species *** the PMS activation,the Cu not only activated PMS to produce reactive oxygen species(ROS),but also regenerated co^(2+)and Fe^(2+)to accelerate the PMS *** non-radical of ^(1)O_(2)was the main ROS with a 99.35%of contribution rate,and the SO_(5)^(·–)self-reaction was its major *** study provides a new insight to enhance the PMS activation performance of multiple metal catalysts by Cu doping in wastewater treatment.

关键词： Cu-doped coFe_(2)O_(4)nanocatalyst PMS activation Mechanism Rhodamine B removal

Solar-driven photothermal catalytic co2 conversion:a review

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Rare Metals 2024年第7期43卷 2913-2939页

作者： Bachirou Guene Lougou Bo-Xi Geng Ru-Ming Pan Wei Wang Tian-Tian Yan Fang-Hua Li Hao Zhang Oraléou Sangué Djandja Yong Shuai Meisam Tabatabaei Daniel Sabi Takou School of Energy Science and engineering Harbin Institute of Technology MIIT Key Laboratory of Critical Materials Technology for New Energy conversion and Storage Harbin Institute of Technology State Key Laboratory of Urban Water Resource and Environment Harbin Institute of Technology School of Electrical engineering and Automation Harbin Institute of Technology Guangdong Provincial Key Laboratory of Distributed Energy Systems Engineering Research Center of None-Food Biomass Efficient Pyrolysis and Utilization Technology of Guangdong Higher Education InstitutesDongguan University of Technology Higher Institution Centre of Excellence (HIcoE) Institute of Tropical Aquaculture and Fisheries (AKUATROP)Universiti Malaysia Terengganu Department of Biomaterials Saveetha Dental CollegeSaveetha Institute of Medical and Technical Sciences école Polytechnique d'Abomey-Calavi University of Abomey-Calavi

It is highly desirable to seek green and sustainable technologies,such as employing photo thermal effects to drive energy catalysis processes to address the high energy demand and associated environmental impacts induced by the current *** photothermocatalysis process is an emerging research area with great potential in efficiently converting solar energy through various catalytic ***,achieving simultaneously high conversion efficiency,cyclability,and durability is still a daunting ***,tremendous work is still needed to enhance solar photo thermal catalytic conversion and promote its large-scale *** review developed the principles of coupling solar photon and thermal fields underlying the photothermal effect,exploration of efficient nanocatalysts,development of optofluidic reactor model,and photo thermal synergistic-driven co2reduction *** ultimate goal was to provide an effective approach that can effectively convert solar energy into photocarriers/hot-electrons and heat,and importantly,can couple them to regulate catalysis reaction pathways toward the production of value-added fuel and chemical energy.

关键词： Photochemistry Photothermal co 2 catalytic conversion nanomaterial Solar fuels and chemicals

Photosynthetic conversion of co_2 to acetic acid by an inorganic-biological hybrid system

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Science China Materials 2016年第2期59卷 93-94页

作者： Yadong Li Department of Chemistry and collaborative Innovation center for nanomaterial Science and engineering Tsinghua University

Since 7000 BCE,humans have fermented sugars into ethanol,and since work by Louis Pasteur in the 1850s,we have known that microorganisms are responsible for this miraculous feat of chemical synthesis[1].Since then,the ability of biological organisms to cheaply and selectively transform chemicals into useful products has been exploited on a global scale from agriculture to biotechnological synthesis of pharmaceutical ***,pho-

关键词： Pasteur pharmaceutical chemicals acetic inorganic agriculture ethanol hazardous permission itself

co_2C nanoprisms with strong facet effect for Fischer-Tropsch to olefins reaction

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Science China Materials 2016年第12期59卷 1000-1002页

作者： Yadong Li Department of Chemistry and collaborative Innovation center for nanomaterial Science and engineering Tsinghua University

Lower olefins refer to ethylene,propylene and butylene,which are vital building block in the chemical *** are fundamental chemicals of the greatest consumption among the organic chemicals all over the *** amount of chemical products,such as packing materials,cosmetics,synthetic rubber,coatings are the derivatives of lower *** traditional petrochemical industry,lower olefins are mainly derived from oil-based feedstocks.

关键词： chemicals Fischer petrochemical propylene rubber facet vital cosmetics packing Lower

Hybrid atomic layers based electrocatalyst converts waste co_2 into liquid fuel

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Science China Materials 2016年第1期59卷 1-3页

作者： Yadong Li Department of Chemistry and collaborative Innovation center for nanomaterial Science and engineering Tsinghua University

Electrocatalyst that converts carbon dioxide to useful fuels,using electricity generated from renewable sources,is generally regarded as a potentially'clean'strategy of turning trash into treasure under mild conditions[1,2].Lots of studies have demonstrated that electroreduction of co2contains several elementary steps of adsorption,activation,dissociation and desorption,among which the most

关键词： renewable dissociation electricity potentially desorption steps elementary hexagonal selectivity dioxide

Engineered nanoparticles for precise targeted drug delivery and enhanced therapeutic efficacy in cancer immunotherapy

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Acta Pharmaceutica Sinica B 2024年第8期14卷 3432-3456页

作者： Xueqiang Peng Jianjun Fang Chuyuan Lou Liang Yang Shaobo Shan Zixian Wang Yutong Chen Hangyu Li Xuexin Li Department of General Surgery The Fourth Affiliated HospitalChina Medical UniversityShenyang 110032China Department of Ophthalmology Xi’an People’s Hospital(Xi’an Fourth Hospital)Xi’an 710004China Department of Neurosurgery Beijing Tiantan HospitalCapital Medical UniversityBeijing 10050China Department of Medical Oncology Sun Yat-sen University Cancer CenterState Key Laboratory of Oncology in South ChinaCollaborative Innovation Center of Cancer MedicineGuangzhou 510060China Department of Pathology Medical CollegeJinan UniversityGuangzhou 510632China Department of Physiology and Pharmacology Karolinska InstitutetStockholm SE-17177Sweden

The advent of cancer immunotherapy has imparted a transformative impact on cancer treatment paradigms by harnessing the power of the immune ***,the challenge of practical and precise targeting of malignant cells *** address this,engineered nanoparticles(NPs)have emerged as a promising solution for enhancing targeted drug delivery in immunotherapeutic interventions,owing to their small size,low immunogenicity,and ease of surface *** comprehensive review delves into contemporary research at the nexus of NP engineering and immunotherapy,encompassing an extensive spectrum of NP morphologies and strategies tailored toward optimizing tumor targeting and augmenting therapeutic ***,it underscores the mechanisms that NPs leverage to bypass the numerous obstacles encountered in immunotherapeutic regimens and probes into the combined potential of NPs when co-administered with both established and novel immunotherapeutic ***,the review evaluates the existing limitations of NPs as drug delivery platforms in immunotherapy,which could shape the path for future advancements in this promising field.

关键词： Engineered nanoparticles Cancer immunotherapy Drug delivery Bloodebrain barrier Tumor-barrier Nanomedicine nanomaterial Cancer

Dimensional heterojunction design:The rising star of 2D bismuthbased nanostructured photocatalysts for solar-to-chemical conversion

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Nano research 2023年第4期16卷 4310-4364页

作者： Joel Jie Foo Sue-Faye Ng Wee-Jun Ong School of Energy and Chemical engineering Xiamen University MalaysiaSelangor Darul Ehsan 43900Malaysia center of Excellence for NaNo Energy&Catalysis Technology(coNNECT) Xiamen University MalaysiaSelangor Darul Ehsan 43900Malaysia college of Chemistry and Chemical engineering Xiamen UniversityXiamen 361005China Shenzhen research Institute of Xiamen University Shenzhen 518057China

With the fast-pace digitalization evolution in the current generation’s lifestyle and the industry revolution,the energy demand has been ***,the two-dimensional(2D)bismuth-based nanomaterials emerged as a promising photocatalyst candidate in solar fuel conversion,not only for its exceptional light absorption capability and tunable optical properties,but it also can be synthesized into diverse variety of nanomaterials with different ranges of potential gap and band position to fulfill the potential requirement of wide range of photocatalytic ***,the weak light harvesting ability and ultrafast charge recombination has restricted its potential in commercial ***,recent researches have been focusing on tackling these issues by incorporating some modification strategies such as heteroatom doping,vacancy engineering,facet engineering,bismuth rich strategy and heterojunction ***,this review article presents the state-of-the-art modifications on 2D bismuth-based parent material,specifically on the relationship between each of the modification strategy on the electronic properties and surface chemistry in achieving boosted photocatalytic *** the view of the unique charge interaction between two semiconductors with different dimensions,we systematically discuss the rational heterostructure design from the dimensionality perspective,namely,point-to-face,line-to-face,face-to-face,and bulk-to-face in solar fuel conversion to provide inspiring insights for future interface ***,the challenges and the future research outlook in the solar-to-fuel conversion are highlighted to push forward the design of high-performance bismuth-based photocatalyst in realizing commercialscale solar-to-fuel conversion.

关键词： 2D heterojunction 2D nanomaterial co_(2)reduction water splitting N2 fixation Z-scheme

Thermo-controlled,self-released smart wood tailored by nanotechnology for fast clean-up of highly viscous liquids

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SmartMat 2023年第1期4卷 153-167页

作者： Yahui Cai Jianfei Wu Kaili Wang Youming Dong Jundie Hu Jiafu Qu Dan Tian Jianzhang Li Qiliang Fu co-Innovation center of Efficient Processing and Utilization of Forest Resources College of Materials Science and EngineeringNanjing Forestry UniversityNanjingChina School of Materials Science and engineering Suzhou University of Science and TechnologySuzhouChina Scion RororuaNew Zealand

Designing highly porous materials is of great importance for liquid separation,water purification,and disinfection,such as spill oil cleaning and recycling,seawater desalting,and oil/water ***,a remaining challenge is to produce porous materials with the characteristics of fast absorption,continuous directional transport,and self-release of viscous ***,a functional cellulosic composite is reported by the chemical treatment and functionalization of wood resulting in a smart wood that can thermally selfrelease and separate high viscosity *** smart wood has a high absorption speed of 1398 mL/(m_(2)·s)(ethylene glycol)and a maximum absorption capacity of 47.2 g/g(chloroform)due to its intrinsic vertical micro/nanoscale channel structure,low tortuosity,and high ***,the switchable wettability is achieved by the surface coating of poly(N-isopropylacrylamide)on the porous wood,which enables the collection and removal of oil from the oil/water *** high viscosity oil can be automatically released due to the passive oil release at room *** release capacity of the smart wood remains above 91%after 15 cyclic *** envision that this functional smart wood could be extended to a wide range of applications in smart hydrogels,microfluidics,artificial drug release,and environmental restoration.

关键词： fast clean-up nanomaterial self-release smart wood thermal responsive