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Bioinspired Ultrasensitive Flexible Strain Sensors for Real‑Time Wireless Detection of Liquid Leakage

Nano-Micro Letters 2025年第3期17卷 310-327页

作者： Weilong Zhou Yu Du Yingying Chen Congyuan Zhang Xiaowei Ning Heng Xie Ting Wu Jinlian Hu Jinping Qu key laboratory of Material Chemistry for energy Conversion and storage Ministry of EducationHubei Key Laboratory of Material Chemistry and Service Failure and Hubei Engineering Research Center for Biomaterials and Medical Protective MaterialsSchool of Chemistry and Chemical EngineeringHuazhong University of Science and TechnologyWuhan 430074People’s Republic of China School of materials Science and Engineering Wuhan Institute of TechnologyWuhan 430205People’s Republic of China Department of Biomedical Engineering City University of Hong KongHong KongSAR 999077People’s Republic of China

Liquid leakage of pipeline networks not only results in considerableresource wastage but also leads to environmental pollution and ecological *** response to this global issue, a bioinspired superhydrophobic thermoplastic polyurethane/carbon nanotubes/graphene nanosheets flexible strain sensor (TCGS) hasbeen developed using a combination of micro-extrusion compression molding andsurface modification for real-time wireless detection of liquid leakage. The TCGSutilizes the synergistic effects of Archimedean spiral crack arrays and micropores,which are inspired by the remarkable sensory capabilities of scorpions. This designachieves a sensitivity of 218.13 at a strain of 2%, which is an increase of 4300%. Additionally, it demonstrates exceptional durability bywithstanding over 5000 usage cycles. The robust superhydrophobicity of the TCGS significantly enhances sensitivity and stability indetecting small-scale liquid leakage, enabling precise monitoring of liquid leakage across a wide range of sizes, velocities, and compositionswhile issuing prompt alerts. This provides critical early warnings for both industrial pipelines and potential liquid leakage scenariosin everyday life. The development and utilization of bioinspired ultrasensitive flexible strain sensors offer an innovative and effectivesolution for the early wireless detection of liquid leakage.

关键词： Thermoplastic polyurethane Bioinspired Cracks Liquid leakage Flexible strain sensor

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Bifunctional bridging capping layer enables 24.5%efficiency of perovskite solar cells with polymer-based hole transport materials

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Science China Chemistry 2025年第1期68卷 350-359页

作者： Can Zhu Yiyang Wang Lei Meng Beibei Qiu Jing Li Shucheng Qin Ke Hu Xin Jiang Wenbin Lai Minchao Liu Zhe Liu Chenxing Lu Jinyuan Zhang Yongfang Li Beijing National laboratory for Molecular Sciences CAS Key Laboratory of Organic SolidsInstitute of ChemistryChinese Academy of SciencesBeijing 100190China School of Chemical Science University of Chinese Academy of SciencesBeijing 100049China key laboratory of Solid State Optoelectronic Devices of Zhejiang Province College of Physics and Electronic Information EngineeringZhejiang Normal UniversityJinhua 321004China key laboratory of photochemical Conversion and Optoelectronic materials Technical Institute of Physics and ChemistryChinese Academy of SciencesBeijing 100190China laboratory of Advanced Optoelectronic materials College of ChemistryChemical Engineering and Materials ScienceSoochow UniversitySuzhou 215123China

Developing a bridge capping layer between perovskite and hole transport layer materials(HTMs)in the n-i-p perovskite solar cells(pero-SCs)is an effective approach to modify the morphology of HTMs and passivate the perovskite ***,we select the quinoxaline-based bifunctional passivation agent,quinoxalin-6-yl-methylamine hydrochloride(Qx MACl),as the bridging layer,and a D-A copolymer PBQ12 containing the same quinoxaline unit as an HTM for the n-i-p *** to theπ-πstacking among the common quinoxaline units in the bridge layer and HTM,Qx MACl induces theπ-πstacking of the PBQ12 film and improves the film morphology of HTMs with better ***,Qx MACl can effectively passivate the perovskite surface,and PBQ12 possesses appropriate energy levels and high hole *** pero-SCs based on FAPbI_(3)with PBQ12/Qx MACl treatment showed a higher power conversion efficiency(PCE)of 24.05%and outstanding stability,maintaining 95.4%and 92.1%of its initial PCE after 750 h of storage and after over 800 h of thermal annealing at 85℃,*** further enhance the PCE of the PBQ12/Qx MACl-based devices,we developed a non-metal ion dopant for the PBQ12 *** trace doping of PBQ12 HTM by the non-metal ion dopant,the PCE of the PBQ12/Qx MACl-based devices reached 25.24%(the calibrated PCE of 24.55%by the National Institute of Metrology,China).

关键词： D-A copolymer hole transport materials bifunctional bridge capping layer passivation perovskite solar cells

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Correction:Self-Assembly of Binderless MXene Aerogel for Multiple-Scenario and Responsive Phase Change Composites with Ultrahigh Thermal energy storage Density and Exceptional Electromagnetic Interference Shielding

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Nano-Micro Letters 2025年第5期17卷 256-262页

作者： Chuanbiao Zhu Yurong Hao Hao Wu Mengni Chen Bingqing Quan Shuang Liu Xinpeng Hu Shilong Liu Qinghong Ji Xiang Lu Jinping Qu key laboratory of Material Chemistry for energy Conversion and storage of Ministry of Education School of Chemistry and Chemical EngineeringHuazhong University of Science and TechnologyWuhan 430074People’s Republic of China Qingdao Mental Health Center Qingdao 266034People’s Republic of China Hubei Engineering Research Center for biomaterials and Medical Protective materials Huazhong University of Science and TechnologyWuhan 430074People’s Republic of China Hubei key laboratory of Material Chemistry and Service Failure School of Chemistry and Chemical EngineeringHuazhong University of Science and TechnologyWuhan 430074People’s Republic of China National Engineering Research Center of Novel Equipment for Polymer Processing Key Laboratory of Polymer Processing Engineering(South China University of Technology)Ministry of EducationGuangdong Provincial Key Laboratory of Technique and Equipment for Macromolecular Advanced ManufacturingSchool of Mechanical and Automotive EngineeringSouth China University of TechnologyGuangzhou 510641People’s Republic of China

Correction to:Nano-Micro Lett.(2024)16:57 https://***/10.1007/*** publication of the original article[1],the authors reported that the order of the images in Figs.5 and 6 were reversed,the positions of the images needed to be *** mistake is that the author inadvertently copied the same image in Fig.2(f)with Fig.2(e).The correct Figs.2,5 and 6 have been provided in this *** original article[1]has been updated。

关键词： MXene reversed mistake

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Comparative study of metal oxides and phosphate modification with different mechanisms over g-C_(3)N_(4) for visible-light photocatalytic degradation of metribuzin

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Rare Metals 2022年第1期41卷 155-165页

作者： Rui Yan Amir Zada Lei Sun Zhi-Jun Li Zhi-Yuan Mu Shuang-Ying Chen Fan Yang Jian-Hui Sun Lin-Lu Bai Yang Qu Li-Qiang Jing key laboratory of Functional Inorganic materials Chemistry School of Chemistry and Material SciencesHeilongjiang UniversityHarbin 150080China key laboratory of photochemical biomaterials and energy storage materials College of Chemistry and Chemical EngineeringHarbin Normal University A.Zada Department of Chemistry Abdul Wali Khan University MardanMardan 23200Pakistan

In this work,a comparative study of three frequently employed modification techniques to g-C_(3)N_(4)(CN)nanosheets for the photocatalytic degradation of metribuzin(MET)under visible-light irradiation has been carried out in *** modification methods were coupling TiO_(2)nanoparticles(TO)as electron acceptors,nano-sized Fe_(2)O_(3)(FO)to construct a Z-scheme nanocomposite,and phosphate(HP)modification to promote O_(2)*** steady-state and transient-state surface photovoltage spectra and transient photoluminescence(PL)spectra confirmed that all the three modification techniques enhanced the charge separation with prolonged lifetimes and presented degradation activities in the order of TO/CN[FO/CN[HP/*** TO/CN nanocomposite showed the highest photocatalytic activity for MET degradation,with a sixfold higher rate than bulk *** chromatography–tandem mass spectrometry and radical trapping experiments indicated that the increased activity was related to the synergetic effect of two radicals(·O^(2-) and ·OH)involved in the photocatalytic degradation pathway,which was different from the·OH radical-dominated pathway of bulk *** work reveals the importance of charge separation and the influence of the radical pathway and provides guidance for the design of high-efficiency photocatalysts.

关键词： g-C_(3)N_(4) TiO_(2)modification Fe_(2)O_(3)coupling Visible-light photocatalysis Charge separation Metribuzin

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In-situ Immobilization of a Polyoxometalate Metal-Organic Framework(NENU-3)on Functionalized Reduced Graphene Oxide for Hydrazine Sensing

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Chinese Journal of Chemistry 2021年第10期39卷 2889-2897页

作者： Cuiyuan Liang Xin Wang Dexin Yu Wei Guo Feng Zhang Fengyu Qu key laboratory of photochemical biomaterials and energy storage materials Heilongjiang Province and College of Chemistry and Chemical EngineeringHarbin Normal UniversityHarbinHeilongjiang150025 China Office of Educational Administration Heilongjiang University of Finance and EconomicsHarbinHeilongjiang 150025China

Main observation and conclusion Detection of hydrazine originated from electrochemical media has recently gained considerable attention in the sensing ***,to improve electron transfer capacity,a polyoxometalate metal-organic framework(POMOF,NENU-3)is in-situ nucleated onto the carboxyl functionalized reduced graphene oxide(CFG)(NENU-3/CFG,abbreviation N3/CFG).The N3/CFG supported onto carbon cloth electrodes(CCEs)has been investigated for hydrazine *** amperometric results display that the POMOF/CFG to hydrazine has a broad linear range(0.09—362.5μmol/L)and low detection limit(24 nmol/L).In addition,the POMOF/CFG-based sensors possess good anti-interference capability,boosted stability and ***,when applied to the detection of practical samples,acceptable relative recoveries of 96.26%—107.30%are obtained.

关键词： Metal-organic frameworks Functionalized graphene Polyoxometalates Sensors Hydrazine

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The New Methods for Characterization of Molecular Weight of Supramolecular Polymers

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Chinese Journal of Polymer Science 2024年第10期42卷 1403-1413,I0006页

作者： Hui Liu Rui Hu Zi-Qing Hu Xiao-Fan Ji key laboratory of materials Chemistry for energy Conversion and storage Ministry of EducationHubei Key Laboratory of Materials Chemistry and Service FailureHubei Engineering Research Center for Biomaterials and Medical Protective MaterialsSchool of Chemistry and Chemical EngineeringHuazhong University of Science and TechnologyWuhan430074China

Supramolecular polymers,as a type of dynamic polymers,are subordinate to the interdisciplinary field of polymer chemistry and supramolecular chemistry,whose development has greatly promoted the prosperity of new ***,molecular weight is one of the most important parameters of supramolecular polymers,which affects the physical/chemical properties and processing applications of *** new methods for characterizing the molecular weight of supramolecular polymers is crucial for advancing the development of supramolecular *** this review,we elaborate and summarize three strategies for characterizing the molecular weight of supramolecular polymers that recently reported by our research group according to the characteristics of supramolecular polymers,including(1)the molecular weight distinction corresponding to variable fluorescence colors,(2)matching different molecular weights with different fluorescence lifetime,(3)transforming supramolecular polymers into mechanically interlocked polymers or covalent ***,we also discuss the limitations of current methods for characterizing supramolecular *** hope that this review can promote the development of supramolecular polymers and significantly inspire to exploit new methods to characterizing molecular weight of supramolecular polymers.

关键词： Supramolecular polymers Molecular weight Self-assembly Mechanically interlocked polymers Dynamic polymers

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N-doped hollow carbon nanospheres embedded in N-doped graphene forming a three-dimensional interconnected layered porous support loaded with palladium nanoparticles as an efficient electrocatalyst for formic acid oxidation

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新型炭材料(中英文) 2024年

作者： FANG Yue YANG Fu-kai QU Wei-li DENG Chao WANG Zhen-bo College of Chemistry and Chemical Engineering Harbin Normal University No.1 Normal University South Road key laboratory of photochemical biomaterials and energy storage materials MIIT key laboratory of Critical materials Technology for New energy Conversion and storage School of Chemistry and Chemical Engineering State Key Lab of Urban Water Resource and Environment Harbin Institute of Technology Shenzhen key laboratory of Special Functional materials Shenzhen Engineering Laboratory for Advance Technology of Ceramics Guangdong Research Center for Interfacial Engineering of Functional Materials College of Materials Science and Engineering Shenzhen University

The efficient electrocatalysts with low cost, high activity and good durability plays a crucial role in the application of direct formic acid fuel cells. Herein, Pd nanoparticles supported on N-doped hollow carbon nanospheres (NHCN) embedded in Ndoped graphene (NG) with three-dimensional (3D) layered porous configuration by a simple and economical method were investigated as direct formic acid fuel cell catalysts. Owing to the unique 3D interconnected layered porous configuration doped with nitrogen atoms, Pd/NHCN@NG catalyst with smaller Pd nanoparticle size shows large catalytic active surface area, superior electrocatalyticactivity,highsteady-statecurrentdensity,strongabilitytoresistCOpoisoning,farsurpassingthoseofconventionalPd/C,Pd/NG,andPd/***/GOratio,itisfoundthatwhenthe HCN/GO mass ratio is 1∶1, Pd/NHCN@NG catalyst has the most outstanding performance in catalytic oxidation of formic acid,with an activity 4.21 times that of Pd/C. This work has developed a superior carbon-based support material for electrocatalysts, which brings broad application prospects for the development of fuel cells.

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Visible Light and Temperature Regulated Reflection Colors in Self-supporting Cholesteric Liquid Crystal Physical Gels

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Chinese Journal of Polymer Science 2021年第12期39卷 1617-1625页

作者： Dong-Xu Zhao Qian Jiang Jing Wang Yuan Qiu Yong-Gui Liao Xiao-Lin Xie key laboratory of Material Chemistry for energy Conversion and storage Ministry of EducationHubei Engineering Research Center for Biomaterials and Medical Protective MaterialsHubei Key Laboratory of Materials Chemistry and Service FailureSchool of Chemistry and Chemical EngineeringHuazhong University of Science and TechnologyWuhan 430074China State key laboratory of Material Processing and Die&Mould Technology Huazhong University of Science and TechnologyWuhan 430074China

Photo-responsive cholesteric liquid crystals(CLCs)have attracted much attention in recent years due to their wide applications in filters,tun able optical lasers,dyn amic display devices,***,UV light is usually used as the exter nal stimulus source,which is not envir on ment-frie ndly *** the other hand,the mecha nical properties of CLCs are not strong eno ugh for these practical ***,it still remains a challenge to endow the CLCs with visible light response and high mechanical properties at the same ***,an axially chiral tetra-fluorinated binaphthyl azobenzene gelator(S-4F-AG)is *** 550 and 450 nm light irradiations,S-4F-AG exhibits excellent photo-switchable ***,the maximum con tent of c/s-isomer and its half-life are as high as 35%and 89 h in acet on itrile,respectively.A self-supporting CLC physical gel with a storage modulus around 104 Pa can be obtained when 3wt%S-4F-AG and 12wt%binaphthyl azobenzene derivative(dopant 2)are co-doped into a nematic LC host *** CLC physical gel exhibits a temperature-driven blue,green,and red reflection colors ***,such three primary RGB colors can also be realized by adjusting the exposure time of 550 nm green *** work lays a solid foundation for the applications ranging from information storage to high-tech anticounterfeit.

关键词： Cholesteric liquid crystal Gel Visible light response Reflect!on color Self-supporting ability

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Engineering S-scheme W_(18)O_(49)/ZnIn_(2)S_(4)heterojunction by Co_(x)P nanoclusters for enhanced charge transfer capability and solar hydrogen evolution

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Nano Research 2024年第9期17卷 8095-8103页

作者： Xiaojie Liu Erkang Liu Zixian Wang Wen Zhang Mingyu Dou Hua Yang Changhua An Dacheng Li Jianmin Dou Shandong Provincial key laboratory of Chemical energy storage and Novel Cell Technology School of Chemistry and Chemical EngineeringLiaocheng UniversityLiaocheng 252059China Tianjin key laboratory of Organic Solar Cell and photochemical Conversion School of Chemistry and Chemical EngineeringTianjin Key Laboratory of Advanced Functional Porous MaterialsInstitute for New Energy Materials and Low-Carbon TechnologiesTianjin University of TechnologyTianjin 300384China Institute of Powder Metallurgy and Advanced Ceramics School of Materials Science and EngineeringUniversity of Science and Technology BeijingBeijing 100083China

Enhancement of the light-absorption response and utilization of the photogenerated carriers represent a robust strategy for the design of high-performance *** this work,grafting Co_(x)P nanoclusters onto S-scheme heterojunction of W18O49/ZnIn2S4(WO/ZIS-CoxP)with strong response to the ultraviolet-visible-near infrared ray(UV-vis-NIR)region has been achieved,which possesses efficient electron-transfer-channel,and boosts charge-separation and transport *** as-prepared WO/ZIS-Co_(x)P yields an impressive solar-driven hydrogen production rate of 45 mmol·g^(-1)·h^(-1).The increased photocatalytic performance is attributed to the synergistic effect of the composite catalyst:(1)The local surface plasmon resonance-induced“hot electron”injection of W_(18)O_(49)significantly increases the electron density;(2)the engineered S-scheme directional electron transfer promotes charge separation and enhances the reducing capability of photoexcited electrons;and(3)Co_(x)P as electron-trap site for accelerating surface proton reduction *** work provides a platform to impart nonprecious co-catalyst for engineering S-scheme heterojunction,serving a class of efficient solar-driven photocatalyst towards hydrogen production.

关键词： hydrogen cocatalyst photocatalysis S-scheme hot electron

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Synergism of solar-driven interfacial evaporation and photo-Fenton Cr(Ⅵ) reduction by sustainable Bi-MOF-based evaporator from waste polyester

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Journal of energy Chemistry 2024年第7期94卷 527-540页

作者： Zifen Fan Jie Liu Huajian Liu Lijie Liu Yan She Xueying Wen Huiyue Wang Guixin Hu Ran Niu Jiang Gong key laboratory of Material Chemistry for energy Conversion and storage Ministry of EducationHubei Key Laboratory of Material Chemistry and Service FailureHubei Engineering Research Center for Biomaterials and Medical Protective MaterialsSemiconductor Chemistry CenterSchool of Chemistry and Chemical EngineeringHuazhong University of Science andTechnologyWuhan430074HubeiChina

The integration of interfacial solar steam generation and photocatalytic degradation technology has pro-vided a promising platform to simultaneously produce freshwater and degrade ***,con-structing low-cost,multi-functional evaporators for treating Cr(Ⅵ)-polluted water remains challenging,and the synergistic mechanism on Cr(Ⅵ)reduction is ***,we propose the combined strategy of ball milling and solution mixing for the sustainable production of Bi-MOF microrod from waste poly(ethylene terephthalate),and construct Bi-MOF-based solar evaporators for simultaneous photo-Fenton Cr(Ⅵ)reduction and freshwater ***,the evaporator comprised of Bi-MOF microrod and graphene nanosheet possesses high light absorption,efficient photothermal conversion,and good hydro-philic *** to the advantages,the hybrid evaporator exhibits the evaporation rate of 2.16 kg m^(-2) h^(-1) and evaporation efficiency of 87.5%under 1 kW m^(-2) of *** integrating with photo-Fenton reaction,the Cr(Ⅵ)reduction efficiency is 91.3%,along with the reaction kinetics of 0.0548 min^(-1),surpassing many advanced *** the outdoor freshwater production and Cr(Ⅵ)reduction,the daily accumulative water yield is 5.17 kg m^(-2) h^(-1),and the Cr(Ⅵ)reduction efficiency is 99.9%.Furthermore,we prove that the localization effect derived from the interfacial solar-driven evap-oration enhances H_(2)O_(2) activation for the photo-Fenton reduction of Cr(Ⅵ).Based on the result of density functional theory,Bi-MOF microrod provides rich active centers for H_(2)O_(2) activation to produce active sites such as e-or-O_(2).This study not only proposes a new strategy to construct multi-functional solar evaporators for freshwater production and catalytic reduction of pollutants,but also advances the chem-ical upcycling of waste polyesters.

关键词： Interfacial solar steam generation Cr(VI)reduction Photo-Fenton reaction Metal-organic framework Waste plastic upcycling

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