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Bioinspired nanofluidic iontronics for brain-like computing

Nano Research 2024年第2期17卷 503-514页

作者： Lejian Yu Xipeng Li Chunyi Luo Zhenkang Lei Yilan Wang yaqi hou Miao Wang Xu hou 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 Functional Materials ResearchJiujiang Research InstituteCollege of Physical Science and TechnologyXiamen UniversityXiamen 361005China The Higher Educational Key Laboratory for Biomedical Engineering of Fujian Province Department of BiomaterialsResearch Center of Biomedical Engineering of XiamenCollege of MaterialsXiamen UniversityXiamen 361005China The Institute of Flexible Electronics(IFE Future Technologies)Xiamen UniversityXiamen 361005China Binzhou Institute of Technology Binzhou 256600China 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

The human brain performs computations via a highly interconnected network of *** inspiration from the information delivery and processing mechanism of the human brain in central nervous systems,bioinspired nanofluidic iontronics has been proposed and gradually engineered to overcome the limitations of the conventional electron-based von Neumann architecture,which shows the promising potential to enable efficient brain-like *** and tunable nanofluidic ion transport behaviors and spatial confinement show promising controllability of charge carriers,and a wide range of structural and chemical modification paves new ways for realizing brain-like ***,a comprehensive framework of mechanisms and design strategy is summarized to enable the rational design of nanofluidic systems and facilitate the further development of bioinspired nanofluidic *** review provides recent advances and prospects of the bioinspired nanofluidic iontronics,including ion-based brain computing,comprehension of intrinsic mechanisms,design of artificial nanochannels,and the latest artificial neuromorphic functions ***,the challenges and opportunities of bioinspired nanofluidic iontronics in the pioneering and interdisciplinary research fields are proposed,including brain–computer interfaces and artificial neurons.

关键词： human brain ion transport nanofluidics brain-like computing memristive effect

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Photochemical effect driven fluid behavior control in microscale pores and channels

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Chinese Chemical Letters 2022年第8期33卷 3650-3656页

作者： Shuli Wang Ruimin Zhou yaqi hou Miao Wang Xu hou Department of Physics Research Institute for Biomimetics and Soft MatterFujian Provincial Key Laboratory for Soft Functional Materials ResearchJiujiang Research InstituteCollege of Physical Science and TechnologyXiamen UniversityXiamen 361005China Institute of Artificial Intelligence Xiamen UniversityXiamen 361005China State Key Laboratory of Physical Chemistry of Solid Surfaces College of Chemistry and Chemical EngineeringXiamen UniversityXiamen 361005China College of Materials Xiamen UniversityXiamen 361005China Tan Kah Kee Innovation Laboratory Xiamen 361102China

Manipulating the fluid transport in the microscale pores and channels is playing a paramount role in the realization of the versatile functions of *** recent years,using light to control the fluid behavior in the microchannels/pores has attracted many researchers'attention due to the advantages of light such as non-contact stimulation,tunable excitation,high spatial and temporal *** efforts,great achievements and progresses have been achieved for photochemical effect driven microscale flow control,including fluid pumping,flow rate control,and fluid mixing,*** this review,we discuss the responsive mechanisms of photochemical effect driven fluid behavior control at the *** also give a comprehensive review on the latest research progresses in photochemical effect controlled microfluid ***,prospective opportunities for the future development of light control of microscale flow are provided to attract scientific interest for the fast development and applications of various microchannel/pore systems.

关键词： Photochemical effect Fluid behavior Microscale pore Microchannel Microfluidics

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Hydrophilic carbon nanotube membrane enhanced interfacial evaporation for desalination

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Chinese Chemical Letters 2022年第4期33卷 2155-2158页

作者： yaqi hou Qianxiao Wang Shuli Wang Miao Wang Xuemei Chen Xu hou State Key Laboratory of Physical Chemistry of Solid Surfaces College of Chemistry and Chemical EngineeringXiamen UniversityXiamen 361005China Research Institute for Biomimetics and Soft Matter Fujian Provincial Key Laboratory for Soft Functional Materials ResearchJiujiang Research InstituteCollege of Physical Science and TechnologyXiamen UniversityXiamen 361005China College of Materials.Xiamen University Xiamen 361005China School of Energy and Power Engineering Nanjing University of Science and TechnologyNanjing 210094China Tan Kah Kee Innovation Laboratory Xiamen 361102China

Carbon nanotube-based(CNT-based) interfacial evaporation material is one of the most potential materials for solar desalination. Here, we studied the evaporation rate of the CNT-based membranes with different hydrophilic and hydrophobic chemical modified surfaces using molecular dynamic *** found that the hydrogen bonding density among water molecules at the interface is a key factor in enhancing the evaporation rate. For a hydrophilic CNT-based membrane, the strong interactions between the membrane outer surface and the water molecules can destroy the water-water hydrogen bonding interactions at the interface, resulting in the reduction of the hydrogen bonding density, leading to an enhancement effect in evaporation rate. We also found that there is an optimal thickness for evaporation membrane. These findings could provide some theoretical guidance for designing and exploring advanced CNT-based systems with more beneficial performance in water desalination.

关键词： Hydrophilic surface chemistry Carbon nanotube Water evaporation Desalination Molecular dynamic simulation

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Structural and Interfacial Effects on Drug Release Kinetics of Liquid‑Based Fibrous Catheter

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Advanced Fiber Materials 2022年第6期4卷 1645-1655页

作者： Chunyan Wang yaqi hou Xingyi Wang Weijun Li Yunmao Zhang Shuli Wang Jing Zheng Xu hou College of Chemistry and Chemical Engineering State Key Laboratory of Physical Chemistry of Solid SurfacesXiamen UniversityXiamen 361005China Collaborative Innovation Center of Chemistry for Energy Materials Xiamen UniversityXiamen 361005China Department of Electronic Science Fujian Engineering Research Center for Solid‑State LightingSchool of Electronic Science and EngineeringXiamen UniversityXiamen 361005China College of Physical Science and Technology Xiamen UniversityXiamen 361005China

Catheterization is indispensable in the field of modern ***,catheter-related thrombosis and infections almost inevitably occur during the process,and as drugs can only be administered at the end of catheter,auxiliary strategies are required for successful *** these intractable limitations,a type of self-adaptive,anti-coagulate liquidbased fibrous catheter has been *** importantly,it has positional drug release property that traditional catheters desperately need but couldn’t *** enlightening,the feasibility and performance of the positional drug release have only been demonstrated by fluorescents,the specific drug release kinetics remains unknown for adaptation to application ***,we systematically investigate the structural and interfacial effects of drug molecules and fibrous matrixes on drug release kinetics in a liquid-based fibrous *** calculations and experiments demonstrate that oleophilic and hydrophilic molecules release slowly due to a dissolution-diffusion *** molecules,however,will significantly affect the gating performance by affecting the interfacial stability,hence they release quickly with emulsifying the gating *** the significant impact of molecular properties and interfacial effects,matrix pore size also has a slight influence that molecules release faster in bigger *** this study,the liquid-based fibrous catheter may step further toward practical applications including chemotherapy,haemodialysis,angiography,*** overcome the existing catheter-related limitations.

关键词： Liquid-based materials Electrospinning fibrous materials Catheter Drug release

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Energy saving thermal adaptive liquid gating system

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The Innovation 2022年第3期3卷 81-86页

作者： Baiyi Chen Mengchuang Zhang yaqi hou Huimeng Wang Rongrong Zhang Yi Fan Xinyu Chen Xu hou 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 Functional Materials ResearchJiujiang Research InstituteCollege of Physical Science and TechnologyXiamen UniversityXiamen 361005China School of Civil Aviation Northwestern Polytechnical UniversityXi’an 710072China College of Ocean and Earth Sciences Carbon Neutral Innovation Research Center(CNIR)Xiamen UniversityXiamen 361005China Innovation Laboratory for Sciences and Technologies of Energy Materials of Fujian Province(IKKEM) Xiamen 361005China

Thermal transfer systems involving temperature control through heating,ventilation,and air conditioning applications have emerged as one of the largest energy issues in *** approaches mainly comprise closed and open systems,both of which have certain advantages and disadvantages in a single heating or cooling *** we report a thermal adaptive system with beneficial energy-saving properties,which uses functional liquid to exhibit high metastability,providing durability in a temperature-responsive liquid gating system.

关键词： process. liquid thermal

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Antibacterial evaporator based on reduced graphene oxide/polypyrrole aerogel for solar-driven desalination

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Nano Research 2023年第4期16卷 4219-4224页

作者： Mengru Zhang Fan Xu Wenjie Liu yaqi hou Liyun Su Xin Zhang Ruihua Zhang Lijun Zhou Xiaomei Yan Miao Wang Xu hou Yang Cao State Key Laboratory of Physical Chemistry of Solid Surfaces Collaborative Innovation Center of Chemistry for Energy Materials(iChEM)College of Chemistry and Chemical EngineeringXiamen UniversityXiamen 361005China Department of Chemical Biology MOE Key Laboratory of Spectrochemical Analysis&InstrumentationKey Laboratory for Chemical Biology of Fujian ProvinceCollege of Chemistry and Chemical EngineeringXiamen UniversityXiamen 361005China College of Materials Xiamen UniversityXiamen 361005China College of Physical Science and Technology Xiamen UniversityXiamen 361005China Tan Kah Kee Innovation Laboratory Xiamen 361005China Pen-Tung Sah Institute of Micro-Nano Science and Technology Xiamen UniversityXiamen 361005China

Solar-driven water evaporation is a sustainable method to purify ***,traditional volumetric water-evaporation systems suffer from the poor sunlight absorption and inefficient light-to-thermal ***,their anti-bacterial and antifouling performances are crucial for the practical ***,we introduce reduced graphene oxide(RGO)with broadband absorbance across the entire solar spectrum,and polypyrrole(PPy),an antibacterial polymer with efficient solar absorption and low thermal conductivity,to develop integrated RGO/PPy aerogel as both the solar absorber and evaporator for highly efficient solar-driven steam *** a result,the RGO/PPy aerogel shows strong absorption and good photothermal performance,leading to an evaporation rate of 1.44 kg·m^(−2)·h^(−1)and high salt rejection(up to 99.99%)for real seawater,with photothermal conversion efficiency>90%under one sun *** result is attributed to the localized heat at the air-water interface by the RGO/PPy and its porous nature with functional groups that facilitates the water ***,the RGO/PPy demonstrates excellent durability and antibacterial efficiency close to 100%for 12 h,crucial characteristics for longterm *** well-designed RGO/PPy aerogel with efficient water desalination performance and antibacterial property provides a straightforward approach to improve the solar-driven evaporation performance by multifunctional materials integration,and offers a viable route towards practical seawater desalination.

关键词： solar-driven steam generation interfacial heating antibacterial property graphene-based material polypyrrole

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Continuous water-water hydrogen bonding network across the rim of carbon nanotubes facilitating water transport for desalination

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Nano Research 2021年第7期14卷 2171-2178页

作者： yaqi hou Miao Wang Xinyu Chen Xu hou State Key Laboratory of Physical Chemistry of Solid Surfaces College of Chemistry and Chemical EngineeringXiamen UniversityXiamen 361005China College of Materials Xiamen UniversityXiamen 361005China Research Institute for Biomimetics and Soft Matter Fujian Provincial Key Laboratory for Soft Functional Materials ResearchJiujiang Research InstituteCollege of Physical Science and TechnologyXiamen UniversityXiamen 361005China Collaborative Innovation Center of Chemistry for Energy Materials Xiamen UniversityXiamen 361005China Tan Kah Kee Innovation Laboratory Xiamen 361102China CAS Key Laboratory of Bio-inspired Materials and Interfacial Sciences Technical Institute of Physics and ChemistryChinese Academy of SciencesBeijing 100190China

The development of membranes featuring carbon nanotubes(CNTs)have provided possibilities of next-generation solar desalination *** solar desalination,the microstructures and interactions between the filter membrane and seawater play a crucial role in desalination *** the mechanisms of water evaporation and ion rejection in confined pores or channels is necessary to optimize the desalting ***,using non-equilibrium molecular dynamics simulations,we found that continuous water-water hydrogen bonding network across the rims of CNTs is the key factor in facilitating water transport through *** the continuous hydrogen bonding network,the water flux is two times of that without the continuous hydrogen bonding *** CNT arrays,each CNT transports water molecules and rejects salt ions *** on these observations,using CNT arrays consisted with densely packed thin CNTs is the most advisable strategy for evaporation desalination,possessing high transport flux as well as maintaining high salt rejection.

关键词： carbon nanotubes hydrogen bonding network facilitated water transport salt rejection desalination

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Alternative photothermal/electrothermal hierarchical membrane for hypersaline water treatment

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SusMat 2022年第6期2卷 679-688页

作者： Miao Wang Wen He Yuhui Hua Xinwen Xie Shiyan Chen Lei Zhou Yunmao Zhang yaqi hou Shihong Lin Haiping Xia Jing Zheng Xu hou State Key Laboratory of Physical Chemistry of Solid Surfaces Department of ChemistryCollege of Chemistry and Chemical EngineeringXiamen UniversityXiamenChina College of Materials Xiamen UniversityXiamenChina Research Institute for Biomimetics and Soft Matter Fujian Provincial Key Laboratory for Soft Functional Materials ResearchJiujiang Research InstituteCollege of Physical Science and TechnologyXiamen UniversityXiamenChina Shenzhen Grubbs Institute and Guangdong Provincial Key Laboratory of Catalysis Department of ChemistrySouthern University of Science and TechnologyShenzhenChina Collaborative Innovation Center of Chemistry for Energy Materials(iChEM) Xiamen UniversityXiamenChina Department of Civil and Environmental Engineering Vanderbilt UniversityNashvilleTennesseeUSA Interdisciplinary Material Science Program Vanderbilt UniversityNashvilleTennesseeUSA Tan Kah Kee Innovation Laboratory Xiamen UniversityXiamenChina Engineering Research Center of Electrochemical Technologies of Ministry of Education Department of ChemistryCollege of Chemistry and Chemical EngineeringXiamen UniversityXiamenChina

Over the last decades,the treatment of the large quantities of hypersaline wastewater generated by conventional industries,inland desalination,and fossil-fueled power plants has been an important economic issue and also an inescapable green ***,we developed a versatile interfacial heating membrane with alternating utilization of electricity or solar energy for hypersaline water *** hierarchical membrane functions both as a separation membrane and an interface heater,which can quickly(5 wt%),with a high salt rejection rate of 99.99%.This system shows an efficient desalination strategy that can provide fresh water from brines for agriculture and industry,and even for daily life.

关键词： carbon nanotubes electrothermal hypersaline water treatment interface evaporate pho-tothermal

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Performance prediction of magnetorheological fluid‐based liquid gating membrane by kriging machine learning method

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Interdisciplinary Materials 2022年第1期1卷 157-169页

作者： Mengchuang Zhang Yuan Jing Jian Zhang Zhizhi Sheng yaqi hou Jiadai Xu Baiyi Chen Jing Liu Miao Wang Xu hou Department of Physics Research Institute for Biomimetics and Soft MatterFujian Provincial Key Laboratory for Soft Functional Materials ResearchJiujiang Research InstituteCollege of Physical Science and TechnologyXiamen UniversityXiamenChina Institute of Artificial Intelligence Xiamen UniversityXiamenChina School of Civil Aviation Northwestern Polytechnical UniversityXi'anChina Yangtze River Delta Research Institute of Northwestern Polytechnical University Taicang CityJiangsu ProvinceChina State Key Laboratory of Physical Chemistry of Solid Surfaces College of Chemistry and Chemical EngineeringXiamen UniversityXiamenChina Suzhou Institute of Nano-Tech and Nano-Bionics Chinese Academy of SciencesSuzhouChina Innovation Laboratory for Sciences and Technologies of Energy Materials of Fujian Province(IKKEM) XiamenChina

Smart liquid gating membrane is a responsive structural material as a pressure-driven system that consists of solid membrane and dynamic liquid,responding to the external *** accurate prediction of rheological and mechanical properties is important for the designs of liquid gating membranes for various ***,high predicted accuracy by the traditional sequential method requires a large amount of experimental data,which is not practical in some *** conquer these problems,artificial intelligence has promoted the rapid development of material science in recent years,bringing hope to solve these *** we propose a Kriging machine learning model with an active candidate region,which can be smartly updated by an expected improvement probability method to increase the local accuracy near the most sensitive search region,to predict the mechanical and rheolo-gical performance of liquid gating system with an active minimal size of ex-perimental *** this,this new machine learning model can instruct our experiments with optimal *** methods are then verified by liquid gating membrane with magnetorheological fluids,which would be of wide interest for the design of potential liquid gating applications in drug release,microfluidic logic,dynamic fluid control,and beyond.

关键词： active candidate region techniques artificial intelligence Kriging machine learning method magnetorheological fluid-based liquid gating membrane rheological and mechanical model

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基于花状MoS_(2)/RGO自清洁吸波纺织品的制备

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印染 2024年第6期50卷 1-5,12页

作者：赵诗怡徐丽慧蔡央芳侯雅淇罗伟储召艳戴思骏王黎明上海工程技术大学纺织服装学院上海201620 国家先进印染技术创新中心山东泰安271000

采用水热反应制备花状硫化钼/还原氧化石墨烯复合材料(MoS_(2)/RGO),并将MoS_(2)/RGO复合材料与聚二甲基硅氧烷(PDMS)协同整理到聚多巴胺(PDA)改性棉织物上,制备自清洁吸波棉织物。探讨了MoS_(2)/RGO复合材料用量、PDMS用量、浸渍时间... 详细信息

采用水热反应制备花状硫化钼/还原氧化石墨烯复合材料(MoS_(2)/RGO),并将MoS_(2)/RGO复合材料与聚二甲基硅氧烷(PDMS)协同整理到聚多巴胺(PDA)改性棉织物上,制备自清洁吸波棉织物。探讨了MoS_(2)/RGO复合材料用量、PDMS用量、浸渍时间等因素对整理棉织物疏水性能及吸波性能的影响。结果显示,当MoS_(2)/RGO质量分数为1.5%,PDMS质量分数为4.0%,浸渍时间为30 min时,整理棉织物的疏水性能最佳,水滴接触角(WCA)可达到155.2°,在波段8.2~12.4 GHz范围,匹配厚度为3.5 mm下最小反射损耗(RL_(min))值为-42.81 dB,有效吸收带宽(EAB)为2.08 GHz,展现出优异的吸波性能。同时,整理棉织物对常见液滴具有优异的防污性,可实现良好的自清洁吸波效果。

关键词：花状硫化钼/还原氧化石墨烯复合材料超疏水吸波多功能纺织品

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