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Textured Asymmetric Membrane Electrode Assemblies of Piezoelectric Phosphorene and Ti_(3)C_(2)T_(x)MXene Heterostructures for Enhanced Electrochemical Stability and Kinetics in LIBs

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Nano-Micro Letters 2024年第4期16卷 394-414页

作者： Yihui Li Juan Xie Ruofei Wang Shugang Min Zewen Xu Yangjian Ding Pengcheng Su Xingmin Zhang Liyu Wei Jing‑Feng Li Zhaoqiang Chu Jingyu Sun Cheng Huang Volta and DiPole materials Labs College of EnergySoochow Institute for Energy and Materials InnovationS(SIEMIS)Key Laboratory of Advanced Carbon Materials and Wearable Energy Technologies of Jiangsu ProvinceKey Laboratory of Core Technology of High Specific Energy Battery and Key Materials for Petroleum and Chemical IndustrySoochow UniversitySuzhou 215006People’s Republic of China School of materials Science and Engineering Jiangsu UniversityZhenjiang 212013People’s Republic of China College of Underwater Acoustic Engineering Harbin Engineering UniversityHarbin 150001People’s Republic of China Shanghai Synchrotron Radiation Facility Shanghai Advanced Research InstituteShanghai Institute of Applied PhysicsChinese Academy of SciencesShanghai 201204People’s Republic of China State Key Laboratory of New Ceramics and Fine Processing School of Materials Science and EngineeringTsinghua UniversityBeijing 100084People’s Republic of China High Density materials technology center for Flexible Hybrid Electronics Suzhou Institute of Electronic Functional Materials TechnologySuzhou Industrial Technology Research InstituteSuzhou 215151People’s Republic of China Institute of advanced materials and Institute of Membrane Science and technology Jiangsu National Synergistic Innovation Center for Advanced MaterialsSuzhou Laboratory and Nanjing Tech UniversityNanjing 211816People’s Republic of China

Black phosphorus with a superior theoretical capacity(2596 mAh g^(-1))and high conductivity is regarded as one of the powerful candidates for lithium-ion battery(LIB)anode materials,whereas the severe volume expansion and sluggish kinetics still impede its applications in LIBs.By contrast,the exfoliated two-dimensional phosphorene owns negligible volume variation,and its intrinsic piezoelectricity is considered to be beneficial to the Li-ion transfer kinetics,while its positive influence has not been discussed yet.Herein,a phosphorene/MXene heterostructure-textured nanopiezocomposite is proposed with even phosphorene distribution and enhanced piezo-electrochemical coupling as an applicable free-standing asymmetric membrane electrode beyond the skin effect for enhanced Li-ion storage.The experimental and simulation analysis reveals that the embedded phosphorene nanosheets not only provide abundant active sites for Li-ions,but also endow the nanocomposite with favorable piezoelectricity,thus promoting the Li-ion transfer kinetics by generating the piezoelectric field serving as an extra accelerator.By waltzing with the MXene framework,the optimized electrode exhibits enhanced kinetics and stability,achieving stable cycling performances for 1,000 cycles at 2 A g^(-1),and delivering a high reversible capacity of 524 m Ah g^(-1)at-20℃,indicating the positive influence of the structural merits of self-assembled nanopiezocomposites on promoting stability and kinetics.

关键词： Phosphorene Nanopiezocomposite Piezo-electrochemical coupling Membrane electrode assembly Lithium-ion storage

Quantum squeezing induced nonreciprocal phonon laser

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Science China(Physics,Mechanics & Astronomy) 2024年第6期67卷 20-30页

作者： Tian-Xiang Lu Yan Wang Keyu Xia Xing Xiao Le-Man Kuang Hui Jing College of Physics and Electronic Information Gannan Normal UniversityGanzhou 341000China Key Laboratory of Low-Dimensional Quantum Structures and Quantum Control of Ministry of Education Department of Physics and Synergetic Innovation Center for Quantum Effects and ApplicationsHunan Normal UniversityChangsha 410081China Academy for Quantum Science and technology Zhengzhou University of Light IndustryZhengzhou 450002China College of Engineering and Applied Sciences National Laboratory of Solid State Microstructuresand Collaborative Innovation Center of Advanced MicrostructuresNanjing UniversityNanjing 210023China

Phonon lasers or coherent amplifications of mechanical oscillations are powerful tools for fundamental studies on coherent acoustics and hold potential for diverse applications,ranging from ultrasensitive force sensing to phononic information processing.Here,we propose the use of an optomechanical resonator coupled to a nonlinear optical resonator for directional phonon lasing.We find that by pumping the nonlinear optical resonator,directional optical squeezing can occur along the pump direction.As a result,we can achieve the directional mechanical gain using directional optical squeezing,thereby leading to nonreciprocal phonon lasing with a well-tunable directional power threshold.Our work proposes a feasible way to build nonreciprocal phonon lasers with various nonlinear optical media,which are important for a wide range of applications,such as directional acoustic amplifiers,invisible sound sensing or imaging,and one-way phononic networks.

关键词： nonreciprocal phonon laser directional quantum squeezing optomechanics

Two-dimensional materials for future information technology: status and prospects

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Science China(Information Sciences) 2024年第6期67卷 1-147页

作者： Hao QIU Zhihao YU Tiange ZHAO Qi ZHANG Mingsheng XU Peifeng LI Taotao LI Wenzhong BAO Yang CHAI Shula CHEN Yiqi CHEN Hui-Ming CHENG Daoxin DAI Zengfeng DI Zhuo DONG Xidong DUAN Yuhan FENG Yu FU Jingshu GUO Pengwen GUO Yue HAO Jun HE Xiao HE Jingyi HU Weida HU Zehua HU Xinyue HUANG Ziyang HUANG Ali IMRAN Ziqiang KONG Jia LI Qian LI Weisheng LI Lei LIAO Bilu LIU Can LIU Chunsen LIU Guanyu LIU Kaihui LIU Liwei LIU Sheng LIU Yuan LIU Donglin LU Likuan MA Feng MIAO Zhenhua NI Jing NING Anlian PAN Tian-Ling REN Haowen SHU Litao SUN Yue SUN Quanyang TAO Zi-Ao TIAN Dong WANG Hao WANG Haomin WANG Jialong WANG Junyong WANG Wenhui WANG Xingjun WANG Yeliang WANG Yuwei WANG Zhenyu WANG Yao WE Department of Applied Physics The Hong Kong Polytechnic University Key Laboratory for Micro-Nano Physics and technology of Hunan Province College of Materials Science and EngineeringHunan University College of Integrated Circuits Zhejiang University Shenzhen Geim Graphene center Shenzhen Key Laboratory of Layered Materials for Value-Added ApplicationsTsinghua-Berkeley Shenzhen Institute & Institute of Materials ResearchTsinghua Shenzhen International Graduate SchoolTsinghua University State Key Laboratory of Extreme Photonics and Instrumentation College of Optical Science and EngineeringInternational Research Center for Advanced PhotonicsZijingang CampusZhejiang University National Key Laboratory of materials for Integrated Circuits Shanghai Institute of Microsystem and Information TechnologyChinese Academy of Sciences CAS Key Laboratory of Nanophotonic materials and Devices & Key Laboratory of Nanodevices and Applications i-LabSuzhou Institute of Nano-Tech and Nano-Bionics (SINANO)Chinese Academy of Sciences College of Chemistry and Chemical Engineering Hunan University Key Laboratory of Quantum State Construction and Manipulation (Ministry of Education) Department of PhysicsRenmin University of China School of Integrated Circuits Beijing National Research Center for Information Science and Technology (BNRist)Tsinghua University School of Electronic Science and Engineering Nanjing University The State Key Discipline Laboratory of Wide Band Gap Semiconductor technology Shaanxi Joint Key Laboratory of GrapheneSchool of MicroelectronicsXidian University Key Laboratory of Artificial Micro- and Nano-Structures of Ministry of Education School of Physics and TechnologyWuhan University School of Integrated Circuits Huazhong University of Science and Technology center for Nanochemistry (CNC) Beijing Science and Engineering Center for NanocarbonsBeijing National Laboratory for Molecular SciencesCollege of Chemistry and Molecular EngineeringPeking University State Key Laboratory for Artificial Microstruct

Over the past 70 years, the semiconductor industry has undergone transformative changes,largely driven by the miniaturization of devices and the integration of innovative structures and materials. Two-dimensional(2D) materials like transition metal dichalcogenides(TMDs) and graphene are pivotal in overcoming the limitations of silicon-based technologies, offering innovative approaches in transistor design and functionality, enabling atomic-thin channel transistors and monolithic 3D integration. We review the important progress in the application of 2D materials in future information technology, focusing in particular on microelectronics and optoelectronics. We comprehensively summarize the key advancements across material production, characterization metrology, electronic devices, optoelectronic devices, and heterogeneous integration on silicon. A strategic roadmap and key challenges for the transition of 2D materials from basic research to industrial development are outlined. To facilitate such a transition, key technologies and tools dedicated to 2D materials must be developed to meet industrial standards, and the employment of AI in material growth, characterizations, and circuit design will be essential. It is time for academia to actively engage with industry to drive the next 10 years of 2D material research.

关键词： two-dimensional (2D) materials information technology production technology standardization of characterization microelectronicdevices optoelectronic devices multi-functional integration

A piezoelectric-driven microneedle platform for skin disease therapy

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The innovation 2024年第3期5卷 110-121页

作者： Ziyan Chen Xin Liu Zixi Jiang Huayi Wu Tao Yang Lanyuan Peng Lisha Wu Zhongling Luo Mi Zhang Juan Su Yan Tang Jinmao Li Yang Xie Han Shan Qibo Lin Xiuli Wang Xiang Chen Hanmin Peng Shuang Zhao Zeyu Chen Department of Dermatology Xiangya HospitalCentral South UniversityChangsha 410008China Furong Laboratory(Precision Medicine) Changsha 410008China National Engineering Research center of Personalized Diagnostic and Therapeutic technology Xiangya HospitalCentral South UniversityChangsha 410008China Hunan Engineering Research center of Skin Health and Disease Xiangya HospitalCentral South UniversityChangsha 410008China Hunan Key Laboratory of Skin Cancer and Psoriasis Xiangya HospitalCentral South UniversityChangsha 410008China National Clinical Research center of Geriatric Disorders Xiangya HospitalCentral South UniversityChangsha 410008China School of Mechanical and Electrical Engineering Central South UniversityChangsha 410083China Department of Dermatology Xijing HospitalThe Fourth Military Medical UniversityXi’anShaanxi 710000China State Key Laboratory of Mechanics and Control for Aerospace Structures Nanjing University of Aeronautics&AstronauticsNanjing 210016China Institute of Photomedicine Shanghai Skin Disease HospitalSchool of MedicineTongji UniversityShanghai 200443China

With over a million cases detected each year,skin disease is a global public health problem that diminishes the quality of life due to its difficulty to eradicate,propensity for recurrence,and potential for post-treatment scarring.Photodynamic therapy(PDT)is a treatment with minimal invasiveness or scarring and few side effects,making it well tolerated by patients.However,this treatment requires further research and development to improve its effective clinical use.Here,a piezoelectric-driven microneedle(PDMN)platform that achieves high efficiency,safety,and non-invasiveness for enhanced PDT is proposed.This platform induces deep tissue cavitation,increasing the level of protoporphyrin IX and significantly enhancing drug penetration.A clinical trial involving 25 patients with skin disease was conducted to investigate the timeliness and efficacy of PDMN-assisted PDT(PDMN-PDT).Our findings suggested that PDMN-PDT boosted treatment effectiveness and reduced the required incubation time and drug concentration by 25%and 50%,respectively,without any anesthesia compared to traditional PDT.These findings suggest that PDMN-PDT is a safe and minimally invasive approach for skin disease treatment,which may improve the therapeutic efficacy of topical medications and enable translation for future clinical applications.

关键词： needle anesthesia clinical

Redox-active conjugated microporous polymers as electron-accepting organic pseudocapacitor electrode materials for flexible energy storage

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Science China Chemistry 2022年第9期65卷 1767-1774页

作者： Xu Liu Gengzhi Sun Yujiao Gong Cheng-Fang Liu Shi Wang Shihao Xu Xuanli Yang Lei Yang Wen-Yong Lai State Key Laboratory of Organic Electronics and Information Displays Institute of Advanced MaterialsNanjing University of Posts&TelecommunicationsNanjing 210023China Key Laboratory of Flexible Electronics&Institute of advanced materials Jiangsu National Synergetic Innovation Center for Advanced MaterialsNanjing Tech UniversityNanjing 211816China Frontiers Science center for Flexible Electronics Key Laboratory of Flexible Electronics of Ministry of Industry and Information TechnologyNorthwestern Polytechnical UniversityXi’an 710072China

Efficient energy storage devices,i.***.pseudocapacitors,are being intensively pursued to address the environmental and energy crises.Most high-performance pseudocapacitors are based on inorganic materials,while organic materials with broader synthetic tunability have attracted increasing interest.Despite recent progress,electron-deficient(n-type)organic pseudocapacitive materials for flexible energy storage are highly demanded yet remain largely unexplored.Here a novel set of n-type perylene diimide(PDI)based conjugated microporous polymers(CMPs),namely,CMP-1,CMP-2 and CMP-3,have been created to integrate excellent desirable characteristics as organic pseudocapacitor electrode materials for flexible energy storage.In light of electron-accepting redox-active sites,hierarchically porous structures,as well as amide-linked networks,the PDI-CMPs electrodes displayed n-type pseudocapacitive behaviors with high capacity(139-205 F g^(-1)at 0.5 A g^(-1)),wide and negative biases(-1.0 to 0 V vs.Ag/AgCl),and long cycling stability.CMP-3 consisting of tetraphenylmethane three-dimensional(3D)building block and PDI units demonstrates not only higher capacitance but also better performance stability because of the higher specific surface area and faster diffusion kinetics as compared to its counterpart CMP-1.Asymmetric supercapacitors(SCs)based on CMP-3 and poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate)(PEDOT/PSS)exhibited wider potential window(1.8 V)and higher capacitance(17.4 m F cm^(-2))compared with symmetric SCs based on PEDOT/PSS electrodes.Notably,CMP-3 also demonstrates attractive potentials as the anode for rechargeable Li-ion batteries.The study sheds light on the fundamental understanding of the key structural parameters that determine their electrochemical and transport properties,thus opening a new door for the rational design of efficient and stable n-type organic electrode materials for flexible energy storage applications.

关键词： flexible energy storage organic pseudocapacitors conjugated microporous polymers n-type electrode materials supercapacitors

Emerging trends in organ-on-a-chip systems for drug screening

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药学学报:英文版 2023年第6期13卷 2483-2509页

作者： Yanping Wang Yanfeng Gao Yongchun Pan Dongtao Zhou Yuta Liu Yi Yin Jingjing Yang Yuzhen Wang Yujun Song College of Engineering and Applied Sciences State Key Laboratory of Analytical Chemistry for Life ScienceNanjing UniversityNanjing 210023China Sino-French Engineer School Nanjing University of Science and TechnologyNanjing 210094China Key Laboratory of Flexible Electronics&Institute of advanced materials Jiangsu National Synergistic Innovation Center for Advanced MaterialsNanjing Tech UniversityNanjing 211816China

New drug discovery is under growing pressure to satisfy the demand from a wide range of domains, especially from the pharmaceutical industry and healthcare services. Assessment of drug efficacy and safety prior to human clinical trials is a crucial part of drug development, which deserves greater emphasis to reduce the cost and time in drug discovery. Recent advances in microfabrication and tissue engineering have given rise to organ-on-a-chip, an in vitro model capable of recapitulating human organ functions in vivo and providing insight into disease pathophysiology, which offers a potential alternative to animal models for more efficient pre-clinical screening of drug candidates. In this review, we first give a snapshot of general considerations for organ-on-a-chip device design. Then, we comprehensively review the recent advances in organ-on-a-chip for drug screening. Finally, we summarize some key challenges of the progress in this field and discuss future prospects of organ-on-a-chip development. Overall,this review highlights the new avenue that organ-on-a-chip opens for drug development, therapeutic innovation, and precision medicine.

关键词： Microfluidics Drug discovery In vitro models Microphysiological systems Toxicity assessment Bioprinting Drug safety Human-on-a-chip

Production of palmitoleic acid by oleaginous yeast Scheffersomyces segobiensis DSM 27193 using systematic dissolved oxygen regulation strategy

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Chinese Journal of Chemical Engineering 2023年第1期53卷 324-331页

作者： Xinhai Zhou Dawei Zhou Xinhui Bao Yang Zhang Jie Zhou Fengxue Xin Wenming Zhang Xiujuan Qian Weiliang Dong Min Jiang Katrin Ochsenreither State Key Laboratory of materials-Oriented Chemical Engineering College of Biotechnology and Pharmaceutical EngineeringNanjing Tech UniversityNanjing 211800China Institute of Microbiology Chinese Academy of ScienceBeijing 100101China Jiangsu National Synergetic innovation center for advanced materials(SICAM) Nanjing Tech UniversityNanjing 211800China Institute of Process Engineering in Life Sciences Section Ⅱ:Technical BiologyKarlsruhe Institute of TechnologyFritz-Haber-Weg4Karlsruhe 76131Germany

Palmitoleic acid(POA)can be naturally found only in few oil seeds and has significant applications in pharmaceutical industry.Recently,the isolated oleaginous yeast Scheffersomyces segobiensis DSM 27193 was identified with high content of POA in its intracellular lipid(13.80%).In this study,process optimization focused on dissolved oxygen regulation to improve POA production was conducted.Dynamic agitation was found to do significant enhancement on POA-rich lipid production than aeration regulation.Under the best condition of 1000 r·min^(-1)of agitation and 1 vvm(airvolume/culture volume/min)of aeration,no ethanol was detected during the whole fermentation process,while a dry biomass concentration of 44.80 g·L^(-1)with 13.43 g·L^(-1)of lipid and 2.93 g·L^(-1)of POA was achieved.Transcription analysis revealed that the ethanol synthetic pathway was downregulated under the condition of high agitation,while the expression of the key enzymes responsible for lipid and POA accumulation were enhanced.

关键词： Palmitoleic acid production Scheffersomyces segobiensis Dissolved oxygen Ethanol Bioprocess Bioreactors

Shape-tailorable amine grafted silica aerogel microsphere for CO_(2) capture

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Green Chemical Engineering 2020年第2期1卷 140-146页

作者： Xing Jiang Jian Ren Yong Kong Zhiyang Zhao Xiaodong Shen Maohong Fan College of materials Science and Engineering Nanjing Tech UniversityNanjing210009PR China Department of Chemical and Petroleum Engineering University of WyomingLaramieWY82071USA Jiangsu Collaborative innovation center for advanced Inorganic Function Composites Nanjing210009PR China School of Civil and Environmental Engineering Georgia Institute of TechnologyAtlantaGA30332USA suqian advanced materials industry technology innovation center of nanjing tech university Suqian223800PR China

The purpose of this study was to prepare a proof-of-concept CO_(2) adsorbing material based on a new amine grafted silica aerogel microsphere(AGSAM)that could be used on both fixed and fluidized beds.A low-cost water glass and environment-friendly water were used as precursor and solvent of the silica aerogel,respectively.The silica aerogel microsphere(SAM)was prepared by dropping the siliceous solution into hot oil bath.The effect of the pH value of the siliceous solution,stirring speed and stirring paddle position on the sphericity and size of the SAM was investigated.The SAM with good sphericity was obtained when the pH value was 5.69–5.79.The mean diameter of the SAM decreased from 5 to 1 mm when the stirring speed increased from 1000 to 2000 rpm.The SAM with excellent sphericity was prepared when the paddle was placed on the top of the oil bath.When the paddle was placed at the middle and bottom of the oil bath,some liquid drops aggregated together and formed large aggregations.AGSAM was obtained by grafting the amine groups onto the framework of the silica gel microsphere.The CO2 adsorption capacity of the AGSAM was 1.04 mmol g^(-1) with 1%CO2 at 300 mL min^(-1).The AGSAM with 4,3.2,2 and 1 mm in diameters had the fluidizing velocities of 0.531,0.425,0.265 and 0.159 m s^(-1),respectively.The AGSAM with different sizes met different fluidizing conditions.

关键词： Silica aerogel Microsphere Amine grafting CO_(2)adsorption

Universal 4-qualifiable fluorene-based building blocks for potential optoelectronic applications

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Chinese Chemical Letters 2022年第12期33卷 5137-5141页

作者： Xiang An Jinghao Yang Man Xu Lili Sun Lubing Bai Kai Wang Zhiqiang Zhuo Yingying Zheng Jinyi Lin Xuehua Ding Yuyu Liu Linghai Xie Chengrong Yin Wei Huang Key Laboratory of Flexible Electronics(KLOFE)&Institute of advanced materials(IAM) Nanjing Tech University(NanjingTech)Nanjing 211816China State Key Laboratory of Organic Electronics and Information Displays&Institute of advanced materials(IAM) Nanjing University of Posts&TelecommunicationsNanjing 210023China Frontiers Science center for Flexible Electronics(FSCFE) MIIT Key Laboratory of Flexible Electronics(KLoFE)Northwestern Polytechnical UniversityXi'an 710072China Electrical Engineering College Nanjing Vocational University of Industry TechnologyNanjing 210023China

In the design of conjugated molecules,modular production enables materials to easily realize structure modification and precisely tune their photoelectrical property.Construction of a novel and universal building block is crucial to design and manufacture high performance and stable conjugated molecules for optoelectronic application.Herein,we originally demonstrated a universal 4-qualifiable fluorene-based building block,which is a fundamental molecular segment to functionalize and obtain novel conjugated materials.Compared to the traditional modification at 9-site,additional 4-position functionalization provided an exciting blueprint to not only tune electronic structure and excited state via p-n molecular design engineering and space charge-transfer strategy,but also allow for optimizing intermolecular arrangement and obtaining solution-processing ability.The introduction of the 4-site substituent in fluorene based semiconductors may endow materials with unique properties.Finally,we successfully prepared two stable deep-blue light-emitting conjugated polymer,PODOPF and PODOF,by utilizing the 4-substituent fluorene based building block.It is believable that the performance,stability and processibility of reported outstanding fluorene-based conjugated molecules can be further optimized based on this universal building block.

关键词： Side-chain coupling Small molecular emitter Morphological stability Deep-blue emission Optoelectronic device