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Environment-adaptive phase-separation-porous fluorofilm for highperformance passive radiation cooling

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Nano Research 2024年第6期17卷 5636-5644页

作者： Weiming Tang Yong Li Xue Meng shutao wang Ziguang Zhao School of Future Technology University of Chinese Academy of SciencesBeijing 100049China CAS Key Laboratory of Bio-inspired Materials and Interfacial Science Technical Institute of Physics and ChemistryChinese Academy of SciencesBeijing 100190China CAS Key Laboratory of Cryogenics Technical Institute of Physics and ChemistryChinese Academy of SciencesBeijing 100190China

Passive radiative cooling is widely recognized as an environmentally sustainable method for achieving significant cooling ***,the mechanical properties and environmental adaptability of current radiative cooling materials are not sufficient to maintain high cooling performance in external *** we reported an environment-adaptive phase-separation-porous fluorofilm for high-performance passive radiation *** to the homogenous fluoro-porous network with limited scattering efficiencies,we modulated the porous structure of the fluorofilm to achieve a strong emissivity of 95.2%(8-13μm)and a high reflectivity of 97.1%(0.3-2.5μm).The fluorofilm demonstrates a temperature drop of 10.5°C and an average cooling power of 81 W·m^(−2)under a sunlight power of 770 W·m^(−2).The high mechanical performance and environmental adaptability of fluorofilms are also *** its significant radiative cooling capability and robust environmental adaptability,the fluorofilm is expected to have a promising future in radiative temperature regulation.

关键词： fluorofilm passive radiation cooling porous optimization thermal regulation

A supramolecular self-assembly material based on cucurbituril and cationic TPE as ultra-sensitive probe of energetic pentazolate salts

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Defence Technology（防务技术） 2024年第5期35卷 69-76页

作者： Boan Tang Jingxiang Zhong shutao wang Shiyu Zhou Yongxing Tang Wei Huang School of Chemistry and Chemical Engineering Nanjing University of Science and TechnologyNanjing 210094China

The successful synthesis of the pentazolate anion(cyclo-N-5)has been a great breakthrough in the field of energetic ***,the detection methods for these energetic materials based on the pentazolate anion are quite ***,two fluorescent probes for cyclo-N-5anion were *** 1(TPE2N)was synthesized with a tetraphenylethylene functionalized by two cationic groups which can generate strong electrostatic interactions with pentazolate anion and result in specific fluorescent *** 2 was designed based on sensor 1 and supramolecular cucurbit[7]uril(CB[7]).The unique structural features of CB[7]provide sites for the interaction between the cations and N-5anion in its cavity,which would generate a platform for the detection and enhance the recognition *** titration calorimetry(ITC)experiment and fluorescence titration experiment indicate the binding molar ratio between sensor 1 with CB[7]is 1:*** sensors display typical aggregation-induced emission(AIE)features and good *** sensors demonstrate excellent sensitivity to pentazole hydrazine salt with high enhancement constant(sensor 1:1.34×10^(6);sensor 2:3.78×10^(6))and low limit of detection(LOD:sensor 1=4.33μM;sensor 2=1.54μM).The formation of an AIE-based supramolecular sensor effectively improves the sensitivity to *** addition,the probes also have good selectivity of N-5anion *** research would shed some light on the design of novel fluorescent sensors to detect pentazolate-based molecules and provides an example of supramolecular chemistry combined with fluorescent probes.

关键词： Pentazolate anion Explosives detection Aggregation-induced emission(AIE) Host-guest interaction

Regulatable interfacial adhesion between stamp and ink for transfer printing

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Interdisciplinary Materials 2024年第1期3卷 29-53页

作者： Yiheng Li Feilong Zhang shutao wang CAS Key Laboratory of Bio‐inspired Materials and Interfacial Science Technical Institute of Physicsand ChemistryChinese Academy of SciencesBeijingChina School of Future Technology University of Chinese Academy of ciencesBeijingChina

As an emerging processing technology,transfer printing enables the assembly of functional material arrays(called inks)on various substrates with micro/nanoscale resolution and has been widely used in the fabrication of flexible electronics and display *** critical steps in transfer printing are the ink pick-up and printing processes governed by the switching of adhesion states at the stamp/ink *** this review,we first introduce the history of transfer printing in terms of the transfer methods,transferred materials,and ***,the fundamental characteristics of the transfer printing system and typical strategies for regulating the stamp/ink interfacial adhesion strength are summarized and ***,future challenges and opportunities for developing the novel stamps,inks,and substrates with intelligent adhesion capability are discussed,aiming to inspire the innovation in the design of transfer printing systems.

关键词： interfacial adhesion switchable adhesion transfer printing

Carbon dots-enhanced pH-responsive lubricating hydrogel based on reversible dynamic covalent bondings

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Chinese Chemical Letters 2024年第5期35卷 232-237页

作者： Jianye Kang Xinyu Yang Xuhao Yang Jiahui Sun Yuhang Liu shutao wang Wenlong Song State Key Laboratory of Supramolecular Structure and Materials College of ChemistryJilin UniversityChangchun 130012China CAS Key Laboratory of Bio-inspired Materials and Interfacial Science CAS Center for Excellence in NanoscienceTechnical Institute of Physics and ChemistryChinese Academy of SciencesBeijing 100190China University of Chinese Academy of Sciences Beijing 100049China

Due to the various pH liquid environment in nature,the pH-responsive lubricating hydrogel is widely investigated and developed for tissue interface ***,the applied liquid environment will lead to poor mechanical property and weaken the pH-responsive *** this work,a carbon dotsenhanced pH-responsive lubricating hydrogel is developed by combining a pH-responsive section of dynamic PVA-borax network into a PAAm covalent polymer *** formed hydrogel presents a partial gel-sol transition under controlled pH *** low pH environments(<6.0),the formed lubricating layer originated from dynamic disassembly of PVA-borax hydrogel,and brings the lubricating properties on the hydrogel ***,the mechanical strength and lubrication properties are well promoted by introducing the carbon dots into the hydrogel,the blue sol layer can be observed more visually under the fluorescence *** pH-response also exhibits well *** prepared hydrogel broadens the idea for designing pH-responsive soft materials for soft lubricating actuator or robot.

关键词： pH-responsive Carbon dots Dynamic covalent bonding Lubrication

Wettability-driven synergistic resistance of scale and oil on robust superamphiphobic coating

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Chinese Chemical Letters 2024年第7期35卷 433-438页

作者： Yixuan wang Jiexin Li Zhihao Shang Chengcheng Feng Jianmin Gu Maosheng Ye Ran Zhao Danna Liu Jingxin Meng shutao wang CAS Key Laboratory of Bio-inspired Materials and Interfacial Science Technical Institute of Physics and ChemistryChinese Academy of SciencesBeijing 100190China University of Chinese Academy of Sciences(UCAS) Beijing 100049China State Key Laboratory of Metastable Materials Science and Technology(MMST) Yanshan UniversityQinhuangdao 066004China

Disgusting deposits(e.g.,scale and crude oil)in daily life and industrial production are always serious problems,posing great threats to the safety and economic ***,most of developed coatings can only conquer one part of these deposits such as superhydrophobic coatings possess antiscaling capacity but would adhere crude *** integrate scale resistance with oil repellence,we herein report a robust superamphiphobic(SAB)coating simultaneously reducing pollution of scale and oil for extended period of time(two weeks with over 98%reduction).Compared with single role of superhydrophobic and amphiphilic surfaces,the SAB coating can not only inhibit interfacial nucleation of scale but also reduce the adhesion of formed scale and polluted *** durability of the SAB coating is evaluated via mechanical tests(sandpaper abrasion,tape stripping and sand falling)and chemical corrosion(corrosive liquid immersing),revealed by sustainable high contact angles and low contact angle hysteresis of water and *** universality of this strategy can be further confirmed by adding different particles like kaolin,Al_(2)O_(3),and SiO_(2),resisting multiple types of scale(i.e.,CaSO_(4),BaSO_(4)and MgCO_(3))and oil(i.e.,glycerol,glycol,and mineral oil).Therefore,this study provides an ideal avenue for resisting scale and oil,which may be used for conquering the complexity of application environments(e.g.,oil production and transportation).

关键词： Superamphiphobic Durability Wettability Anti-scaling Oil repellence

Water-Excluding Underwater Glue Induced by Marangoni Effect

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CCS Chemistry 2024年第5期6卷 1289-1299页

作者： Ke Zhang Xizi Wan Zi-Yu Liu Feilong Zhang Jingwei Lu Jingxin Meng Ye Tian Haeshin Lee Lei Jiang shutao wang CAS Key Laboratory of Bio-Inspired Materials and Interfacial Science Technical Institute of Physics and ChemistryChinese Academy of SciencesBeijing 100190 Green Catalysis Center College of ChemistryZhengzhou UniversityZhengzhou 450001 University of Chinese Academy of Sciences Beijing 100049 Institute of Engineering Thermophysics Chinese Academy of SciencesBeijing 100190 Beijing Key Laboratory for Bioengineering and Sensing Technology School of Chemistry and Biological EngineeringUniversity of Science and Technology BeijingBeijing 100083 The Graduate School of Nanoscience and Technology Korea Advanced Institute of Science and Technology(KAIST)Daejeon 34141

Marangoni effect at the two-phase interface with different surface tension as a unique mass transfer phenomenon has been widely used in daily life and ***,their marvelous liquid-driving capability between miscible liquids has long been ignored,especially in water ***,we first reveal a distinct underwater Marangoni effect between the solvent of glues and the water layer on solid *** by the Marangoni effect,organic solvents with water solubility,high dielectric constant,and low diffusivity could effectively exclude the interfacial water layer,enabling direct and effective contact between glues and solid *** experimental results and theoretical simulation proved that a relatively large ratio of the Marangoni number in the horizontal direction and to the vertical direction ensured an effective underwater adhesion of the water-excluding *** surface engineering approach provides an alternative to the traditional methods of molecular engineering for realizing underwater adhesion.

关键词： Marangoni effect underwater adhesion dynamic water-excluding water layer solvent diffusion

Fully umbilical cord-derived adhesive materials enable to recruit and segregate immune cells for the reversal of acute liver failure

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Engineered Regeneration 2024年第1期5卷 70-79页

作者： Xiao Yi Feng Chen Kunjie Gao Huayan Li Yuan Xie Shao Li Jiajun Zhang Qing Peng Weijie Zhou shutao wang Jun-Bing Fan Yi Gao Research Centre for Artificial Organ and Tissue Engineering&Institute of Regenerative Medicine Department of Hepatobiliary Surgery II Zhujiang Hospital Cancer Research InstituteSchool of Basic Medical SciencesSouthern Medical UniversityGuangzhouGuangdong Province 510515P R China Department of Gynecology Zhujiang HospitalSouthern Medical UniversityGuangzhou 510515P R China CAS Key Laboratory of Bio-inspired Materials and Interfacial Science CAS Center for Excellence in NanoscienceTechnical Institute of Physics and ChemistryChinese Academy of SciencesBeijing 100190P R China Department of Hepato-Biliary-Pancreatic and Hernia Surgery The First People’s Hospital of ZhaoqingZhaoqingGuangdong 526000P R China Department of Pathology School of Basic Medical SciencesSouthern Medical UniversityGuangzhou 510515P R China

Inflammatory cytokine storms can trigger disease exacerbation and even death and have reached a consensus in the clinical treatment of acute organ ***,the existing strategies remain a great challenge to efficiently suppress inflammatory cytokine storms for promoting organ repair and ***,fully human umbilical cord(UC)-derived adhesive materials(UCAM)that integrate decellularized extracellular matrix(ECM)nanofiber hydrogel and homologous mesenchymal stem cells(MSCs)are demonstrated to greatly suppress inflammatory cytokine storms,demonstrating high efficacy in treating acute liver failure(ALF)in rats with 90%*** UC-derived adhesive materials have the capacity to secrete a significant quantity of cytokines by MSCs to recruit activated immune cells to migrate into their ECM nanofiber networks,segregating them away from the infection area and thereby greatly suppressing the inflammatory cytokine *** expected,the UC-derived adhesive materials can significantly promote hepatocyte proliferation to achieve functional recovery and regeneration of the liver,significantly improving the survival rate in *** fully human UC-derived adhesive materials provide a new avenue in suppressing inflammatory cytokine storms for promoting organ regeneration that would be really utility in clinical organ transplantation-related treatment.

关键词： Interfacial adhesive materials Extracellular matrix nanofibers Hydrogel Mesenchymal stem cells Acute liver failure

Hollow Multishelled Structure: Synthesis Chemistry and Application

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Chemical Research in Chinese Universities 2024年第3期40卷 346-393页

作者： MAO Dan wang Chao LI Wei ZHOU Liang LIU Jian ZHENG Zjian ZHAO Yong CAO An-min wang shutao HUANG Jiaxing HUO Fengwei CHEN Hongyu MAI Liqiang YU Ranbo wang Lianzhou LU Yunfeng YU Chengzhong YANG Qihua YANG Zhenzhong ZENG Hua Chun ZHAO Hujun TANG Zhiyong ZHAO Dongyuan wang Dan State Key Laboratory of Biochemical Engineering Institute of Process EngineeringChineseAcademy of SciencesBeijing 100190P.R.China Key Laboratory of Biopharmaceutical Preparation and Delivery Chinese Academy of SciencesBejing 100190P.R.China School of Fashion and Textiles The Hong Kong Polytechnic UniversityHong Kong SARP.R.China Department of Chemistry Fudan UniversityShanghai 200433P.R.China State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of TechnologyWuhan 430070P.R.China State Key Laboratory of Catalysis Dalian Institute of Chemical PhysicsChinese Academy of SciencesDalian 116023P.R.China School of Chemistry Beihang UniversityBejing 100191P.R.China CAS Key Laboratory of Molecular Nanostructure and Nanotechnology and Beijing National Laboratory for Molecular Sciences Institute of ChemistryChinese Academy of SciencesBeijing 100190P.R.China CAS Key Laboratory of Bio-inspired Materials and Interfacial Science Technical Institute of Physics and ChemistryChinese Academy of SciencesBeijing 100190P.R.China School of Engineering Westlake UniversityHangzhou 310024P.R.China School of Flexible Electronics(Future Technologies) Nanjing Tech UniversityNanjing 211816P.R.China School of Science Westlake UniversityHangzhou 310024P.R.China School of Materials Science and Engineering Wuhan University of TechnologyWuhan 430070P.R.China School of Metallurgical and Ecological Engineering University of Science and Technology BeijingBeijing 100083P.R.China School of Chemical Engineering and Australian Institute for Bioengineering and Nanotechnology The University of QueenslandBrisbaneQueensland 4072Australia College of Life Science and Technology Bejing University of Chemical TechnologyBejing 100029P.R.China School of Chemistry and Molecular Engineering East China Normal UniversityShanghai 200241P.R.China College of Life Sciences Zhejiang Normal UniversityJinhua 321004P.R.China Department of Chemical Engineering Tsinghua UniversityBeijing 100

Hollow multishelled structure(HoMS),a promising and complex multifunctional structural system,features at least two shells that are separated by internal *** unique structure endows it with numerous advantages including low density,high loading capacity,large specific surface area,facilitated mass transport,and multiple spatial confinement *** the past twenty years,benefiting from the booming development of synthesis methods,various HoMS materials have been prepared and show promising applications in diverse areas.

关键词： Hollow multishelled structure Synthesis chemistry Energy storage Catalysis Electromagnetic wave absorption Drug delivery Sensor

A mechanically stable self-pumping organohydrogel dressing with aligned microchannels for accelerated diabetic wound healing

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Science China Materials 2024年第9期67卷 2995-3002页

作者： Wuyi Xiao Xizi Wan Yikai Zhang Jinze Lan Lianxin Shi shutao wang CAS Key Laboratory of Bio-Inspired Materials and Interfacial Science Technical Institute of Physics and ChemistryChinese Academy of SciencesBeijing100190China University of Chinese Academy of Sciences Beijing100049China Suzhou Institute for Advanced Research University of Science and Technology of ChinaSuzhou215123China

Self-pumping dressings(SPDs)have been developed as a new type of effective material for the drainage of excessive wound exudates based on the structure of asymmetric ***,current SPDs are easy to lose their asymmetric wettability due to the weak interfacial mechanical stability between the hydrophobic and hydrophilic ***,we report an integrated self-pumping organohydrogel dressing with aligned microchannels(SPD-AM),prepared by an ice-templating-assisted wetting-enabled-transfer(WET)polymerization strategy,that can accelerate the healing process of diabetic *** WET polymerization strategy enables strong interfacial mechanical stability between the hydrophobic organogel and hydrophilic hydrogel *** aligned microchannels greatly improve the draining capability of *** a diabetic rat model as an example,the SPD-AM can significantly reduce the bacterial colonization with low inflammatory responses,enhance dermal remodeling by about 47.31%,and shorten wound closure time by about 1/5 compared with other dressings,ultimately accelerating diabetic wound *** study is valuable for developing next-generation SPDs with stable mechanical performance for clinical applications.

关键词： SPDs mechanically stable interfaces WET strategy ice-templating organohydrogel diabetic wounds