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Unveiling the Effects of Interchain Hydrogen Bonds on Solution Gelation and Mechanical Properties of Diarylfluorene-Based Semiconductor Polymers

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Research 2020年第1期2020卷 547-561页

作者： Lubing Bai Yamin Han Chen Sun Xiang An Chuanxin Wei Wei Liu Man Xu Lili Sun Ning Sun Mengna Yu He Zhang Qi Wei Chunxiang Xu Yingguo Yang Tianshi Qin Linghai Xie Jinyi Lin Wei Huang Center for Supramolecular Optoelectronics(CSO) Key Laboratory of Flexible Electronics(KLOFE)and Institute of Advanced Materials(IAM)Nanjing Tech University(NanjingTech)30 South Puzhu RoadNanjing 211816China State Key Laboratory of Bioelectronics School of Electronic Science and Medical EngineeringSoutheast UniversityNanjing 210096China Center for Molecular Systems and Organic Devices(CMSOD) Key Laboratory for Organic Electronics and Information Displays&Institute of Advanced Materials(IAM)Nanjing University of Posts&Telecommunications9 Wenyuan RoadNanjing 210023China Frontiers Science Center for flexible electronics(FSCFE) Shaanxi Institute of Flexible Electronics(SIFE)Shaanxi Institute of Biomedical Materials and Engineering(SIBME)Northwestern Polytechnical University(NPU)127 West Youyi RoadXi’an 710072China Shanghai Synchrotron Radiation Facility(SSRF) Zhangjiang LabShanghai Advanced Research InstituteChinese Academy of Sciences239 Zhangheng RoadShanghai 201204China

The intrinsically rigid and limited strain of most conjugated polymers has encouraged us to optimize the extensible properties of conjugated ***,learning from the hydrogen bonds in glucose,which were facilitated to the toughness enhancement of cellulose,we introduced interchain hydrogen bonds to polydiarylfluorene by amide-containing side *** tuning the copolymerization ratio,we systematically investigated their influence on the hierarchical condensed structures,rheology behavior,tensile performances,and optoelectronic properties of conjugated *** to the reference copolymers with a low ratio of amide units,copolymers with 30%and 40%amide units present a feature of the shearthinning process that resembled the non-Newtonian fluid,which was enabled by the interchain dynamic hydrogen ***,we developed a practical and universal method for measuring the intrinsic mechanical properties of conjugated *** demonstrated the significant impact of hydrogen bonds in solution gelation,material crystallization,and thin film ***,the breaking elongation for P4 was even up to~30%,which confirmed the partially enhanced film ductility and toughness due to the increased amide ***,polymer light-emitting devices(PLEDs)based on these copolymers presented comparable performances and stable electroluminescence(EL).Thin films of these copolymers also exhibited random laser emission with the threshold as low as 0.52μJ/cm^(2),suggesting the wide prospective application in the field of flexible optoelectronic devices.

关键词： bonds conjugated film

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Boosting Stable and Fast Potassium Storage of Iron Sulfide through Rational Yolk-Shell Design and Ni Doping

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Chinese Journal of Structural Chemistry 2022年第5期41卷 30-36页

作者： Yanmei Gan Jiajie Zhu Qixin Zhang Chaoying Wang Lunhui Guan Yi Zhao College of Chemistry Fuzhou UniversityFuzhou 350108China The straits institute of flexible electronics(sife Future Technologies)Fujian Normal UniversityFuzhou 350117China CAS Key Laboratory of Design and Assembly of Functional Nanostructures Fujian Key Laboratory of NanomaterialsFujian Institute of Research on the Structure of MatterChinese Academy of SciencesFuzhou 350108China School of Physics Science and Engineering Tongji UniversityShanghai 200092China

Metal sulfides have been regarded as promising anodes for potassium-ion batteries(PIBs)due to their high theoretical capacities,while the performance is limited by their intrinsic poor conductivity and large volume fluctuation during the insertion/extraction of large potassium ***,the battery performance of iron sulfide anode is significantly enhanced through yolk-shell(Y-S)structure design and nickel doping,aiming to realize good structure stability and superior electron/ion *** potassium storage,as-prepared Y-S Ni-FeS_(2)@C shows excellent cyclic performance and sustains high capacities of 328 mA h g^(-1)after 100 cycles at 0.2 A g^(-1)and 226 mA h g^(-1)after 1000 cycles at 1 A g^(-1).Especially,it displays a superior rate capacity of 200 mA h g^(-1)at 20 A g^(-1),higher than that of Y-S FeS_(2)@C and most as-reported metal sulfide anodes for *** experimental analysis and theoretical calculation illuminate the effect of Ni-doping on decreasing the particle size of iron sulfide and enhancing the ion/electron transport ability,thus accounting for the exceptional rate capability of Y-S Ni-FeS_(2)@C composite.

关键词： FeS_(2) Ni-doping yolk-shell structure anode potassium-ion batteries

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Present and future of functionalized Cu current collectors for stabilizing lithium metal anodes

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Nano Research Energy 2023年第1期2卷 106-139页

作者： Yuhang Liu Yifan Li Jinmeng Sun Zhuzhu Du Xiaoqi Hu Jingxuan Bi Chuntai Liu Wei Ai Qingyu Yan Frontiers Science Center for flexible electronics(FSCFE)&Shaanxi institute of flexible electronics(sife) Northwestern Polytechnical University(NPU)127 West Youyi RoadXi'an 710072China School of Materials Science and Engineering Nanyang Technological University50 Nanyang AvenueSingapore639798 Singapore institute of Materials Research and Engineering A*STAR138634 Singapore Key Laboratory of Materials Processing and Mold Ministry of Education Zhengzhou UniversityZhengzhou 450002China

Li metal has been recognized as the most promising anode materials for next-generation high-energy-density batteries,however,the inherent issues of dendrite growth and huge volume fluctuations upon Li plating/stripping normally result in fast capacity fading and safety *** Cu current collectors have so far exhibited significant regulatory effects on stabilizing Li metal anodes(LMAs),and hold a great practical potential owing to their easy fabrication,low-cost and good compatibility with the existing battery *** this review,a comprehensive overview of Cu-based current collectors,including planar modified Cu foil,3D architectured Cu foil and nanostructured 3D Cu substrates,for Li metal batteries is ***,the design principles and strategies of functionalized Cu current collectors associated with their functionalities in optimizing Li plating/stripping behaviors are ***,the critical issues where there is incomplete understanding and the future research directions of Cu current collectors in practical LMAs are also *** review may shed light on the critical understanding of current collector engineering for high-energy-density Li metal batteries.

关键词： Cu current collectors functionalization Li metal batteries lithiophilic modification Li plating/stripping

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Alkyl-chain branched effect on the aggregation and photophysical behavior of polydiarylfluorenes toward stable deep-blue electroluminescence and efficient amplified spontaneous emission

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Chinese Chemical Letters 2019年第11期30卷 1959-1964页

作者： Lili Sun Ning Sun Lubing Bai Xiang An Bin Liu Chen Sun Lixiang Fan Chuanxin Wei Yamin Han Mengna Yu Jinyi Lin Dan Lu Ning Wang Linghai Xie Kang Shen Xinwen Zhang Yanan Xu Juan Cabanillas-Gonzalez Wei Huang Key Laboratory of flexible electronics(KLOFE)&institute of Advanced Materials(IAM) Jiangsu National Synergetic Innovation Center for Advanced Materials(SICAM)Nanjing Tech University(NanjingTech)Nanjing 211816China Key Laboratory for Organic electronics and Information Displays&institute of Advanced Materials(IAM) Jiangsu National Synergetic Innovation Center for Advanced Materials(SICAM)Nanjing University of Posts&TelecommunicationsNanjing 210023China Shaanxi institute of flexible electronics(sife) Northwestern Polytechnical University(NPU)Xi'an 710072China State Key Laboratory of Supramolecular Structure and Materials College of ChemistryJilin UniversityChangchun 130012China Madrid institute for Advanced Studies(IMDEA Nanociencia) Ciudad Universitaria de CantoblancoCalle Faraday 9Madrid 28049Spain

The control of the condensed superstructure of light-emitting conjugated polymers(LCPs)is a crucial factor to obtain high performance and stable organic optoelectronic ***-chain engineering strategy is an effective platform to tune inter chain aggregation and photophysical behaviour of ***,we systematically investigated the alkyl-chain branched effecton the conformational transition and photophysical behaviour of polydiarylfluorenes toward efficient blue optoelectronic *** branched side chain will improve materials solubility to inhibit interchain aggregation in solution according to DLS and optical analysis,which is useful to obtain high quality ***,our branched PEODPF,POYDPF pristine film present high luminance efficiency of 36.1%and 39.6%,enhanced about 20%relative to that of *** to the liner-type sides'chain,these branched chains also suppress chain planarization and improve film morphological stability ***,the branched polymer also had excellent stable amplified spontaneous emission(ASE)behaviour with low threshold(4.72μJ/cm2)and a center peak of 465 nm,even thermal annealing at 220℃in the air ***,side-chain branched strategy for LCPs is an effective means to control interchain aggregation,film morphology and photophysical property of LCPs.

关键词： Light-emitting conjugated polymers Branched effect Aggregation behavior Robust deep-blue emission Efficient optoelectronic devices

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Intrinsically Viscoelastic Supramolecular Conjugated Polymer toward Suppressing Coffee-Ring Effect

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CCS Chemistry 2022年第11期4卷 3529-3539页

作者： Yamin Han Lubing Bai Xiang An Man Xu Chuanxin Wei Zongqiong Lin Mengna Yu Jinyi Lin Lili Sun Ning Sun Changting Wei Linghai Xie Xuehua Ding Qi Wei Chengrong Yin Chenghui Li Wenming Su Wei Huang Key Laboratory of flexible electronics(KLOFE) Institute of Advanced Materials(IAM)Nanjing Tech University(NanjingTech)Nanjing 211816 Frontiers Science Center for flexible electronics(FSCFE) Shaanxi Institute of Flexible Electronics(SIFE)Shaanxi Institute of Biomedical Materials and Engineering(SIBME)Northwestern Polytechnical University(NPU)Xi’an 710072 State Key Laboratory of Organic electronics and Information Displays Institute of Advanced Materials(IAM)Nanjing University of Posts&TelecommunicationsNanjing 210023 State Key Laboratory of Coordination Chemistry School of Chemistry and Chemical EngineeringNanjing National Laboratory of MicrostructuresNanjing UniversityNanjing 210093 Printable electronics Research Center Suzhou Institute of Nano-Tech and Nano-BionicsChinese Academy of SciencesSuzhouJiangsu 215123

The rational molecular design of light-emitting conjugated polymers that inherently suppress the ubiquitous coffee-ring effect(CRE)is a great challenge and the critical bottleneck for printing ***,we describe a supramolecular route to construct an intrinsically viscoelastic rigid conjugated polymer(RCP)(PHDPF-Cz)toward avoiding the CRE without sacrificing optoelectronic ***π-πstacking interactions derived fromthe pendant carbazole(Cz)units enable PHDPF-Cz to self-assemble into criss-cross nanofibers and endow its solutionwith great ***,a high-quality and continuous PHDPFCz film was obtained by impeding the transport of aggregates to the droplet edge due to outward capillary flow during evaporation,in sharp contrast to the random aggregate migration and rapid precipitation generated fromthe controlled poly[4-(6-(9H-diphenylaniline-9-yl)hexyloxy)-9,9-diphenylfluorene]-co-[5-(6-(9H-diphenylaniline-9-yl)hexyloxy)-9,9-diphenylfluorene]and poly(9,9-dioctylfluorene)***,an efficient random laser is also achieved based on these cross-linked films with ultrastable single-chain excitonic behavior,confirming the effectiveness of our design strategy.

关键词： coffee-ring effect rigid conjugated polymer supramolecular criss-cross nanofibers optoelectronic properties

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An all-organic aqueous potassium dual-ion battery

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Journal of Energy Chemistry 2021年第6期30卷 28-33,I0002页

作者： Junmin Ge Xianhui Yi Ling Fan Bingan Lu School of Physics and electronics State Key Laboratory of Advanced Design and Manufacturing for Vehicle BodyHunan UniversityChangsha 410082HunanChina Fujian strait Research institute of Industrial Graphene Technologies Quanzhou 362000FujianChina

Benefiting from the environmental friendliness of organic electrodes and the high security of aqueous electrolyte,an all-organic aqueous potassium dual-ion full battery(APDIB) was assembled with 21 M potassium bis(fluoroslufonyl)imide(KFSI) water-in-salt as the *** APDIB could deliver a reversible capacity of around 50 mAh g^(-1) at 200 mA g^(-1)(based on the weight of total active materials),a long cycle stability over 900 cycles at 500 mA g^(-1) and a high coulombic efficiency of 98.5%.The reaction mechanism of APDIB during the charge/discharge processes is verified:the FSI-could associate/disassociate with the nitrogen atom in the polytriphenylamine(PTPAn) cathode,while the K^(+) could react with C=O bonds in the 3,4,9,10-perylenetetracarboxylic diimide(PTCDI) anode *** work contributes toward the understanding the nature of water-into-salt electrolyte and successfully constructed all-organic APDIB.

关键词： All-organic electrode Potassium ion battery Dual-ion full battery Aqueous high concentration electrolyte High safety

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Conductive Ni3(HITP)2 MOFs thin films for flexible transparent supercapacitors with high rate capability

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Science Bulletin 2020年第21期65卷 1803-1811,M0003,M0004页

作者： Weiwei Zhao Tiantian Chen Weikang Wang Beibei Jin Jiali Peng Shuaihang Bi Mengyue Jiang Shujuan Liu Qiang Zhao Wei Huang Key Laboratory for Organic electronics and Information Displays&Jiangsu Key Laboratory for Biosensors Institute of Advanced Materials(IAM)Nanjing University of Posts&Telecommunications(NUPT)Nanjing 210023China Frontiers Science Center for flexible electronics(FSCFE) Shaanxi Institute of Flexible Electronics(SIFE)&Shaanxi Institute of Biomedical Materials and Engineering(SIBME)Northwestern Polytechnical University(NPU)Xi’an 710072China State Key Laboratory of Coordination Chemistry Nanjing UniversityNanjing 210093China

The flexible transparent supercapacitors have been considered as one of the key energy-storage components to power the smart portable electronic ***,it is still a challenge to explore flexible transparent capacitive electrodes with high rate ***,conductive Ni3(HITP)2(HITP=2,3,6,7,10,11-hexaiminotriphenylene)thin films are adopted as capacitive electrodes in flexible transparent *** Ni3(HITP)2 electrode possesses the excellent optoelectronic property with optical transmittance(T)of 78.4%and sheet resistance(Rs)of 51.3Ωsq-1,remarkable areal capacitance(CA)of 1.63 mF cm^-2and highest scan rate up to 5000 mV *** asymmetric Ni3(HITP)2//PEDOT:PSS supercapacitor(T=61%)yields a high CA of 1.06 mF cm^-2at 3μA cm-2,which maintains 77.4%as the current density increases by 50 *** remarkable rate capability is ascribed to the collaborative advantages of low diffusion resistance and high ion accessibility,resulting from the intrinsic conductivity,short oriented pores and large specific areas of Ni3(HITP)2 films.

关键词： Conductive film Metal-organic frameworks Collaborative advantages flexible transparent supercapacitors High rate capability

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Theoretical Studies on Novel Gridspiroarenes: Structures, Noncovalent Interactions and Reorganization Energies

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Chinese Journal of Chemistry 2019年第9期37卷 915-921页

作者： Lei Yang Cheng-Zhu Yin Mohamad Akbar Ali Chao-Yang Dong Xin-Miao Xie Xiang-Ping Wu Jie Mao Yong-Xia Wang Yang Yu Ling-Hai Xie Lin-Yi Bian Jian-Min Bao Xue-Qin Ran Wei Huang Centre for Molecular Systems and Organic Devices(CMSOD) Key Laboratory for Organic Electronics and Information Displays & Jiangsu Key Laboratory for BiosensorsInstitute of Advanced Materials(IAM)Jiangsu National Synergetic Innovation Center for Advanced Materials(SICAM)Nanjing University of Posts & Telecommunications9 Wenyuan RoadNanjingJiangsu 210023China Department of Chemistry College of Science King Faisal UniversityAl-Ahsa31982Kingdom of Saudi Arabia Key Laboratory of flexible electronics(KLOFE)& institute of Advanced Material(IAM) Jiangsu National Synergetic Innovation Center for Advanced Material(SICAM)Nanjing Tech University(Nanjing Tech)30 South Puzhu RoadNanjingJiangsu 211816China Shaanxi institute of flexible electronics(sife) Northwestern Polytechnical University(NPU)127 West Youyi RoadXi'anShaanxi 710072China

Organic semiconductor materials with low reorganization energy have various applications such as in organic light-emitting diodes (OLEDs),organic field-effect transistor (OFETs) and organic solar cells (OSCs).In this work,we have designed a new class of gridspiroarenes (GS-SFX and GS-SITF) with #-shaped structures,which have novel crisscross geometrical structures compared to widely used spirocyclic arenes-SFX and *** structure electronic properties,adiabatic ionization potentials (IPa),adiabatic electron affinities (EAa) and reorganization energies (λ) of GS-SFX and GS-SITF have been calculated using density functional theory (DFT) *** calculated HOMO and LUMO spatial distributions suggest that GS-SFX and GS-SITF have better transport *** noncovalent interaction analysis shows the weak intramolecular interactions between their *** results indicate that the reorganization energies of GS-SFX and GS-SITF are significantly reduced compared to the dimer structures-DSFX and ***,the GS-SITF1 which is one of the isomers of GS-SITF exhibits the lowest values for λ(h)(0.067 eV) and λ(e)(0.153 eV).Therefore,we believe the predicted structure,electronic property,and reorganization energy are good indicator for transport *** work has systematically studied the effect of gridization,which provides insights to design organic semiconductor materials with excellent charge transport properties.

关键词： organic light-emitting diodes (OLEDs) organic field-effect transistor (OFETs) organic solar cells (OSCs)

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Ultrasensitive detection of IgE levels based on magnetic nanocapturer linked immunosensor assay for early diagnosis of cancer

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Chinese Chemical Letters 2022年第4期33卷 1855-1860页

作者： Yongxin Liu Mengda Cao Zhongxi Huang Changmin Yu Naidi Yang Qiong Wu Liang Shi Wenjie Duan Yi Zhu Jifu Wei Lin Li Wei Huang Key Laboratory of flexible electronics(KLOFE)&institute of Advanced Materials(IAM) Nanjing Tech University(NanjingTech)Nanjing 211816China Research Division of Clinical Pharmacology&Clinical Allergy Center the First Affiliated Hospital of Nanjing Medical UniversityDepartment of PharmacyJiangsu Institute of Cancer Research&the Affiliated Cancer Hospital of Nanjing Medical UniversityNanjing 210009China Department of Pharmacy Zhongda HospitalSchool of MedicineSoutheast UniversityNanjing 210044China State Key Laboratory of Coordination Chemistry Nanjing UniversityNanjing 210023China Shaanxi institute of flexible electronics(sife) Northwestern Polytechnical University(NPU)Xi’an 710072China The First Affiliated Hospital of USTC Division of Life Sciences and MedicineUniversity of Science and Technology of ChinaHefei 230001China

Rapid and accurate detection of immunoglobulin E(Ig E) in serum and reduction of serum dosage are of great significance for clinical detection. Herein, we described a rapid magnetic separation of Ig E from patient serum based on Fe3 O4@Si O2-NTA@026 sdab as the capture probe and multiple horseradish peroxidase(HRP)-labeled antibodies linked gold nanoparticles(Au NPs) as chemiluminescence(CL) signal amplifier for ultrasensitive detection of total Ig E. Results showed that the limit of detection of our immunosensor system in serum samples was 0.03 k U/L, which is lowest in comparison with current methods, and far lower than that of Immuno CAP for Ig E detection(0.1 k U/L). Furthermore, our immunosensor possessed satisfied repeatability and accuracy, as well as good stability. In comparison with the Immuno CAP for the quantitative detection of Ig E, highly consistent results were achieved in 20 serum samples. Specially, this method was also successfully utilized for assessing the Ig E traces in breast cancer patients,which provides a new idea for the diagnosis of early cancer. Therefore, we believe that such versatile immunosensor will offer an alternative method for the on-site monitoring and determination of various Ig E-related diseases.

关键词： Gold nanoparticles Magnetic nanocapturer IgE detection Ultrasensitive immunosensor Cancer

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Review of micromachined optical accelerometers:from mg to sub-μg

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Opto-Electronic Advances 2021年第3期4卷 1-24页

作者： Qianbo Lu Yinan Wang Xiaoxu Wang Yuan Yao Xuewen Wang Wei Huang Frontiers Science Center for flexible electronics(FSCFE) Shaanxi Institute of Flexible Electronics(SIFE)&Shaanxi Institute of Biomedical Materials and Engineering(SIBME)Northwestern Polytechnical UniversityXi'an 710072China MIIT Key Laboratory of flexible electronics(KLoFE) Northwestern Polytechnical UniversityXi’an 710072China The Key Laboratory of Information Fusion Technology Ministry of EducationSchool of AutomationNorthwestern Polytechnical UniversityXi'an 710072China Wuhan National Laboratory for Optoelectronics-Huazhong University of Science and Technology Wuhan 430074China

Micro-Opto-Electro-Mechanical Systems(MOEMS)accelerometer is a new type of accelerometer which combines the merits of optical measurement and Micro-Electro-Mechanical Systems(MEMS)to enable high precision,small volume and anti-electromagnetic disturbance measurement of *** recent years,with the in-depth research and development of MOEMS accelerometers,the community is flourishing with the possible applications in seismic monitoring,inertial navigation,aerospace and other industrial and military *** have been a variety of schemes of MOEMS accelerometers,whereas the performances differ greatly due to different measurement principles and corresponding application *** paper aims to address the pressing issue of the current lack of systematic review of MOEMS *** to the optical measurement principle,we divide the MOEMS accelerometers into three categories:the geometric optics based,the wave optics based,and the new optomechanical *** the most widely studied category,the wave optics based accelerometers are further divided into four sub-categories,which is based on grating interferometric cavity,Fiber Bragg Grating(FBG),Fabry-Perot cavity,and photonic crystal,*** a brief introduction to the measurement principles,the typical performances,advantages and disadvantages as well as the potential application scenarios of all kinds of MOEMS accelerometers are discussed on the basis of typical *** paper also presents the status and development tendency of MOEMS accelerometers to meet the ever-increasing demand for high-precision acceleration measurement.

关键词： accelerometer Micro-Opto-Electro-Mechanical Systems(MOEMS) integrated optics accelerometer review

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