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Research progress on the luminescence of biomacromolecules

Journal of Materials Science & Technology 2021年第17期76卷 60-75页

作者： Dandan Wang Junping Ju Shuang Wang yeqiang tan State Key Laboratory of Bio-Fibers and Eco-Textiles Collaborative Innovation Center of Marine Biobased Fiber and Ecological Textile TechnologyInstitute of Marine Biobased MaterialsCollege of Materials Science and EngineeringQingdao UniversityQingdao266071China

Luminescent materials show great potential in various *** aggregation-induced emission(AIE)luminogens are mostly produced by complex organic synthesis and have poor hydrophilicity and biocompatibility,which limit their practical ***,it is of great significance to develop fluorescent materials with good hydrophilicity and biocompatibility,and biomacromolecules with these properties have attracted our *** biomacromolecules can generate unique new fluorophores during the gelation process to obtain hydrogels with good fluorescence *** addition,biomacromolecules can be modified with fluorescent groups to obtain fluorescent materials with excellent performance,thus improving the hydrophilicity and biocompatibility of *** particular,grafting aggregation-caused quenching(ACQ)luminogens onto biomacromolecules can even effectively inhibit the aggregation and self-quenching of *** is well known that aromatic biological macromolecules such as green fluorescent protein have intrinsic *** fluorescence is also observed in nonaromatic biological macromolecules without traditional chromophores such as chitosan,cellulose and sodium *** luminescence of nonaromatic biomacromolecule can be rationalized by the clustering-triggered emission(CTE)mechanism,namely,clustering of nonconventional chromophores and subsequent electron overlap and conformation rigidification are accountable for the *** this review,fluorescence gels obtained from biomacromolecules,biomacromolecules modified with fluorophores,and the intrinsic luminescence of biomacromolecular luminogens are *** review will help to develop low-cost,biocompatible luminescent materials and has great significance for comprehending the luminescence of nonconventional luminophores and expanding the application of luminescent compounds.

关键词： Biomacromolecules Fluorescent gels Graft Intrinsic fluorescence Clustering-Triggered emission

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Recent progress in organic color-tunable phosphorescent materials

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Journal of Materials Science & Technology 2022年第6期101卷 264-284页

作者： Zhengshuo Wang Hua Yuan Yongzhi Zhang Dandan Wang Junping Ju yeqiang tan State Key Laboratory of Bio-Fibers and Eco-Textiles&Institute of Marine Biobased Materials&Collage of Materials Science and Engineering Qingdao UniversityQingdao 266071China

Organic color-tunable phosphorescent materials depend upon multiple emission centers to achieve colortunable phosphorescence with changes in excitation wavelength,temperature,time,and other external *** color-tunable phosphorescent materials are becoming increasingly popular due to their potential applications in anticounterfeiting,encryption and *** brief review focuses on the formation of multiple emission centers in organic color-tunable phosphorescent materials and how to ensure that these multiple emission centers can simultaneously *** the future,materials with a large color tunable ranges,increased efficiency,and relatively long lives will be developed.

关键词： Photophysics Polymers Phosphorescence Afterglows

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Seaweed polysaccharide fibers:Solution properties,processing and applications

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Journal of Materials Science & Technology 2023年第9期140卷 1-18页

作者： Junping Ju Jinzhu Yang Wenchao Zhang Yuting Wei Hua Yuan yeqiang tan State Key Laboratory of Bio-Fibers and Eco-Textiles&Institute of Marine Biobased Materials&Collage of Materials Science and Engineering Qingdao UniversityQingdao 266071China

Seaweed polysaccharides with abundantly renewable sources and charming properties have attracted arising ***,carrageenan and agar with the largest are the most predominant species of common seaweed *** review will first provide a comprehensive overview of general information on seaweed polysaccharides regarding solubility,multilevel structure,viscoelasticity,and *** we summarize preparation methods of seaweed polysaccharides fibers including wet-spinning technique,electrospinning technique and microfluidic *** applications of seaweed polysaccha-rides fibers,based on many excellent inherent properties,including biocompatibility,suitable microstruc-ture,nontoxicity,potential bioactivity,good intrinsic flame retardancy and thermal stability,are described in detail.

关键词： Seaweed polysaccharides Solution characteristics Fibers Applications

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Application and exploration of nanofibrous strategy in electrode design

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Journal of Materials Science & Technology 2021年第15期74卷 189-202页

作者： Yongliang Li Hua Yuan Yanbing Chen Xiaoyu Wei Kunyan Sui yeqiang tan State Key Laboratory of Bio-Fibers and Eco-Textiles Ef Institute of Marine Biobased Materials&Collage of Materials Science and Engineering Qingdao UniversityQingdao 266071China

The key to develop high specific energy rechargeable batteries is development of new electrode *** existing electrode materials still have many problems:the shuttle effect and poor conductivity of the sulfur cathode,the inevitable volume expansion of the silicon anode and the lithium dendrite of the lithium metal anode that cause short circuits,***,as active electrical materials,conductive additives and electrode bodies,can play multiple roles in electrode *** interestingly,nanofibers can be functionalized to obtain better controllable properties(i.e.,electrolyte affinity,pore size distribution and surface electronic structure),thereby further enhancing electrochemical *** this article,the latest research progress in electrode design based on nanofibers is reviewed,including processing methods,structure,morphology and electrochemical *** key problems affecting the electrochemical performance of the electrode are also discussed,such as the preparation process,atomic structure,electrical conductivity,surface area and pore distribution of nanofibers,to provide reference points for nanofibers in excellent electrode design.

关键词： Nanofibers Battery Electrode Energy storage

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Hollow Co/CoO/Carbon nanofibers promoted PMS decomposition for the degradation of Rhodamine B

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Journal of Materials Science & Technology 2023年第26期157卷 120-129页

作者： Zhende Li Xiaoyan Zhang Guangzhen Li Fengjin Han Dongqi Hu Xiaoyu Huang Hua Yuan yeqiang tan State Key Laboratory of Bio-Fibers and Eco-Textiles&Institute of Marine Biobased Materials&Collage of Materials Science and Engineering Qingdao UniversityQingdao 266071China

Carbon nanofibers with hollow structures have an excellent application prospect in various fields be-cause of their high specific surface area and abundant active ***-based hollow carbon nanofiber doped with Co/CoO(H-Co/CoO-CNF)was successfully prepared and used as a catalyst to activate perox-ymonosulfate(PMS)and degrade Rhodamine B(RhB).The catalyst showed a surprising degradation rate(98.89%)of RhB within 15 min and had good degradation performance in a wide pH range(pH 1.5-11.2).Compared with solid fibers,H-Co/CoO-CNF shows better cyclic *** catalyst is also mag-netic and recoverable easily due to the addition of Co/*** pathways of both radical(SO_(4)·^(−))and non-radical(^(1)O_(2))exist during the RhB degradation process are confirmed through electron paramagnetic resonance(EPR)analysis and radical quenching *** work provides a new idea for hollow fibers loaded with metals and their oxides and can guide the development of catalysts for advanced oxi-dation processes in the future.

关键词： Electrospinning Hollow fiber Co/coO Radical and non-radical Rhodamine B

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Self-assembly of carbon nanomaterials onto carbon fiber to improve the interfacial properties of epoxy composites

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Journal of Materials Science & Technology 2023年第30期161卷 44-49页

作者： Hao Yan Dongqi Hu Yifeng Dai Xiaoyu Zhang Hua Yuan Weidi Li Xiaoyu Huang yeqiang tan Collaborative Innovation Center for Marine Biomass Fibers College of Materials Science and EngineeringQingdao UniversityQingdao 266071China School of Environmental and Material Engineering Yantai UniversityYantai 264005China Shandong Laboratory of Yantai Advanced Materials and Green Manufacturing Yantai 265503China

The interfacial property of carbon fiber(CF)reinforced composites is crucial to facilitate the application of high-strength *** the electrostatic and hydrogen bond properties of diazo resin,carbon nanotubes(CNTs)and graphene oxide(GO)could be quickly grafted onto the surface of the CF via the layer-by-layer self-assembly *** results showed that CNTs and GO were uniformly coated onto the CF surface,and the chemical activity and roughness of the modified CF surface were improved *** modified CF surface can significantly augment the interaction between the epoxy resin and the ***,due to the good interfacial property,the impact performance of the composites re-inforced with the nanomaterial-modified CF was improved *** addition,the interface properties of the composites are studied in *** method is expected to achieve rapid surface modification of carbon fiber.

关键词： Carbon fiber Carbon nanotube Graphene oxide Interfacial properties

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Biomimetic,fire-resistant,ultralight and porous carbon fiber sponges enabling safe and efficient remediation of crude oil spills in harsh environments

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Journal of Materials Science & Technology 2023年第27期158卷 77-85页

作者： Yushan Li Songjun Yao Song Yan Mei Xu Long Zheng Fei Pan yeqiang tan Xianze Yin College of Materials Science and Engineering State Key Laboratory of New Textile Materials&Advanced Processing TechnologyWuhan Textile UniversityWuhan 430200China National Local Joint Laboratory for Advanced Textile Processing and Clean Production Wuhan Textile UniversityWuhan 430200China Engineering Research Center of Ministry of Education for Clean Production of Textile Printing and Dyeing Wuhan Textile UniversityWuhan 430200China College of School of Environmental Engineering Wuhan Textile UniversityWuhan 430200China State Key Laboratory of Bio-Fibers and Eco-Textiles Collaborative Innovation Center of Marine Biobased Fiber and Ecological Textile Technology Institute of Marine Biobased MaterialsCollege of Materials Science and EngineeringQingdao UniversityQingdao 266071China

Advanced absorbents must meet the requirements of superior hydrophobic/oleophilic behavior,favorable adsorption efficiency,and high photothermal and Joule heating performance to handle frequent crude oil ***,current carbon-based absorbents suffer from poor fire resistance,thus severely limiting their application in harsh ***,inspired by a bird’s nest,a polymer“welding”strategy is proposed to design a versatile absorbent in which the polymer serves as a“binder”to interconnect discontinuous fibers together to form a 3D welded *** continuous conductive networks endow the absorbent with high photothermal and Joule heating effect,thus achieving all-weather adsorption,and improving the adsorption efficiency of crude oil via the self-heating *** with other absorbents,the absorbent prepared via polymer welding technology exhibited preferable comprehensive performance,such as superhydrophobicity,high fire resistance,and high absorption ***,the noninflammable absorbent can restrain the combustion of crude oil,thereby reducing its combustion in case of *** versatile absorbent is expected to provide a promising solution for the safe and effi-cient cleanup of crude oil spills in harsh ***,the unique polymer welding strategy can be developed into a universal strategy for other material systems to expand their applications.

关键词： Polymer welding strategy Photothermal effect Joule heating effect Fire resistance Crude oil recovery

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Ordered Honeycomb-Pattern Membrane

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Chinese Journal of Chemistry 2020年第12期38卷 1767-1779页

作者： Hua Yuan Guangzhen Li Enhao Dai Guolin Lu Xiaoyu Huang Longyun Hao yeqiang tan Key Laboratory of Bio-Fibers and Eco-Textiles Collaborative Innovation Center of Marine Biobosed Fiber and Ecological Textile TechnologyInstitute of Marine Biobased MaterialsCollege of Materials Science and EngineeringQingdao UniversityQingdaoShandong 266071China Key Laboratory of Synthetic and Self-Assembly Chemistry for Organic Functional Molecules Center for Excellence in Molecular SynthesisShanghai Institute of Organic ChemistryUniversity of Chinese Academy of SciencesChinese Academy of Sciences345 Lingling RoadShanghai 200032China

Ordered porous membranes have wide and important application prospects in thefields of filtration,separation,catalysis,biomedicine,etc.,and have attracted growinginterest in the field of material *** diverse membrane preparation approaches,breath pattern method has been widely concerned due to its simplicity in thepreparation,ease in tuning the structure/property and functionality of formed mem-branes,and broad utility for various *** the development of material design,the application spectrum of breath figure membrane has been greatly ***,since the pore morphology of porous membrane is influenced by many factors,the controlling mechanism of normalization has not been clear *** this paper,the research progress of film-forming materials in recent years is reviewed,and thecorrelation between pore formation and pore morphology is discussed in *** will provide a systematic and in-depth perspective for research in this filedand an important guideline for the preparation of the ordered porous films with divergent applications.

关键词： porous preparation simplicity

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A flexible PEO-based polymer electrolyte with cross-linked network for high-voltage all solid-state lithium-ion battery

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Journal of Materials Science & Technology 2024年第16期183卷 206-214页

作者： Nian Wang Yuting Wei Shuang Yu Wenchao Zhang Xiaoyu Huang Binbin Fan Hua Yuan yeqiang tan State Key Laboratory of Bio-Fibers and Eco-Textiles&Institute of Marine Biobased Materials&Collage of Materials Science and Engineering Qingdao UniversityQingdao 266071China

Solid state lithium-ion batteries(SLIBs)have been considered as one of the most promising sustainable next-generation technologies for energy ***,the poor interfacial compatibility and low ion conductivity of solid electrolytes still remain a major challenge for ***,a free-standing flexible solid polymer LA-PAM-PEO electrolyte is constructed through the electrospinning technology featuring with high Li+conductivity(6.1×10^(−4)S cm^(−1)),strong mechanical strength and high Li+migration num-ber(0.32),which breaks the restriction between ionic conductivity and mechanical strength in polymer solid *** cross-linking between LA,PAM and PEO is verified to decrease the crystalline of PEO,thus increasing the Li+***,benefiting from the 3D network composed of in-terconnected nanofibers and the covalent bonds between LA,PAM and PEO,the mechanical strength of LA-PAM-PEO SPE was also effectively im *** LA-PAM-PEO SPE also delivers a high electrochemi-cal window(4.95 V),and low interface resistance(243.8).As a result,the Li/Li symmetrical cell with the LA-PAM-PEO displayed outstanding stability after 1000 h with the uniform Li deposition on the in-terface of Li electrode,in sharp contrast to the PEO *** addition,the Li/LA-PAM-PEO SPE/LFP displays a discharge capacity of 135 mA h g^(−1)after 1000 cycles at the rate of 1 C,with a capacity retention of 93.5%.The proposed LA-PAM-PEO SPE thus opens new possibilities for the fabrication and engineering of solid-state Li-ion batteries.

关键词： Solid state battery Solid electrolyte PEO Electrospinning Li-ion battery

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Ultralong Organic Phosphorescence Modulation of Aromatic Carbonyls and Multi-Component Systems

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Chinese Journal of Chemistry 2022年第16期40卷 1987-2000页

作者： Chunguang Ren Zhengshuo Wang Tianjie Wang Jiayi Guo Yifeng Dai Hua Yuan yeqiang tan State Key Laboratory of Bio-Fibers and Eco-Textiles&Institute of Marine Biobased Materials&Collage of Materials Science and Engineering Qingdao UniversityQingdaoShandong266071 China

Aromatic carbonyls have evoked sustained attention in the field of room-temperature phosphorescence(RTP).The introduction of carbonyl groups is a general way to achieve RTP for their effective intersystem crossing(ISC)by improving spin-orbit coupling(SOC).With further molecular design and processing strategies,aromatic carbonyls materials with multi-functional and high efficiency ultralong organic phosphorescence(UOP)can be *** review summarizes the mechanism of aromatic carbonyls with UOP in pure aromatic carbonyls and their multi-component *** detailed strategies for improving UOP performance are further *** summary and outlook are presented to expound on the advances and lack of aromatic *** development directions and requirements are also put forward.

关键词： Arynes Carbonyl ligands Ultralong organic phosphorescence Molecular design Processing strategy

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