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Flexible printed three dimensional(3D) integrated carbon nanotube complementary metal oxide semiconductor(CMOS) thin film transistors and circuits

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Science China(Information Sciences) 2024年第09期67卷 280-293页

作者： Zhaofeng CHEN Jiaqi LI Min LI Hongxuan GUO Jianwen ZHAO SEU-FEI nano-Pico center Key Laboratory of MEMS of Ministry of Education Southeast University Printable Electronics Research center Division of Nanodevices and Related NanomaterialsSuzhou Institute of Nano-Tech and Nano-Bionics Chinese Academy of Sciences School of nano Technology and nano Bionics University of Science and Technology of China

The threshold voltage modulation of carbon nanotube thin-film transistors（TFTs） and flexible three-dimensional（3D） integration circuits has become hot research topics for carbon-based electronics. In this paper, a doping-free gate electrode technology is introduced to significantly modulate the threshold voltage of polymer-sorted semiconducting single-walled carbon nanotube（sc-SWCNT） TFTs in combination with the highly effective gate-controlling ability of solid-state electrolyte thin films as the dielectrics. A systematic investigation was conducted on the impact of printed silver, evaporated silver, and evaporated aluminum（Al） gate electrodes on the threshold voltage of flexible printed bottom-gate and top-gate SWCNT TFTs. The results indicate that the SWCNT TFTs with Al gate electrodes exhibit enhancement-mode characteristics with excellent electrical properties, such as the negative threshold voltages（-0.6 V）, high Ion/Ioff（up to 10～6）, low subthreshold swing(61.4 mV · dec-1), and small hysteresis. It is attributed to either the formation of lower work function thin films（Al2O3） at the electrode/dielectric layer interfaces through the natural oxidation of the Al bottom-gate electrodes or the dipole reaction of the Al top-gate electrodes from X-ray photoelectron spectroscopy（XPS） and ultraviolet photoelectron spectroscopy（UPS） data. In addition, 3D complementary metal-oxide-semiconductor（CMOS） inverters with common gate electrodes were constructed using the resulting enhancement-mode P-type SWCNT TFTs and matched N-type SWCNT TFTs, which shows high voltage gain（34）, rail-to-rail output and high noise margins(80.04%, VDD=-1 V)as well good mechanical flexibility at low operation voltages. It demonstrates that SWCNT TFTs have great advantages for building large-scale 3D flexible integrated circuits.

关键词： three-dimensional CMOS circuits printing technology polymer-sorted semiconducting carbon nanotubes enhancement-mode thin-filmtransistors threshold voltage modulation

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Manipulating the Macroscopic and Microscopic Morphology of Large-Area Gravure-Printed ZnO Films for High-Performance Flexible Organic Solar Cells

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Energy & Environmental Materials 2024年第2期7卷 229-239页

作者： Zhenguo Wang Jingbo Guo Yaqin Pan Jin Fang Chao Gong Lixin Mo Qun Luo Jian Lin Changqi Ma School of nano-Tech and nano-Bionics University of Science and Technology of ChinaHefei 230026China i-Lab&Printable Electronics Research center Suzhou Institute of Nano-Tech and Nano-BionicsChinese Academy of Sciences(CAS)Suzhou 215123China Beijing Engineering Research center of Printed Electronics Beijing Institute of Graphic CommunicationBeijing 102600China Jiangxi Institute of nanotechnology Chinese Academy of Sciences(CAS)Nanchang 330200China

Gravure printing is a promising large-scale fabrication method for flexible organic solar cells(FOSCs)because it is compatible with two-dimension patternable roll-to-roll ***,the unsuitable rheological property of ZnO nanoinks resulted in unevenness and looseness of the gravure-printed ZnO interfacial *** we propose a strategy to manipulate the macroscopic and microscopic of the gravure-printed ZnO films through using mixed solvent and poly(vinylpyrrolidone)(PVP)*** regulation of drying speed effectively manipulates the droplets fusion and leveling process and eliminates the printing ribbing structure in the macroscopic *** additive of PVP effectively regulates the rheological property and improves the microscopic compactness of the *** this method,large-area ZnO∶PVP films(28×9 cm^(2))with excellent uniformity,compactness,conductivity,and bending durability were *** power conversion efficiencies of FOSCs with gravure-printed AgNWs and ZnO∶PVP films reached 14.34%and 17.07%for the 1 cm^(2)PM6:Y6 and PM6∶L8-BO flexible *** efficiency of 17.07%is the highest value to date for the 1 cm^(2)*** use of mixed solvent and PVP addition also significantly enlarged the printing window of ZnO ink,ensuring high-quality printed thin films with thicknesses varying from 30 to 100 nm.

关键词： flexible organic solar cell gravure printing large-area flexible interfacial layer rheology properties zinc oxide

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In situ atomic-scale tracking of unusual interface reaction circulation and phase reversibility in(de)potassiated alloy-typed anode

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Journal of Energy Chemistry 2024年第8期95卷 241-249,I0006页

作者： Lin Su Ruining Fu Shuangying Lei Yuchen Pan Chongyang Zhu Pengcheng Liu Feng Xu SEU-FEI nano-Pico center Key Laboratory of MEMS of the Ministry of EducationSoutheast UniversityNanjing210096China

Alloy-typed anode materials,endowed innately with high theoretical specific capacity,hold great promise as an alternative to intercalation-typed counterparts for alkali-ion *** tremendous efforts devoted to addressing drastic volume change and severe pulverization issues of such anodes,the underlying mechanisms involving dynamic phase evolutions and reaction kinetics have not yet been fully ***,taking antimony(Sb)anode as a representative paradigm,its microscopic operating mechanisms down to the atomic scale during live(de)potassiation cycling are systematically unraveled using in situ transmission electron *** reversible phase transformations at single-particle level,that are Sb←→KSb_(2)←→KSb←→K_5Sb_(4)←→K_(3)Sb,were revealed during ***,multiple phase interfaces associated with different reaction kinetics coexisted and this phenomenon was properly elucidated in the context of density functional theory ***,previously unexplored unidirectional circulation of reaction interfaces within individual Sb particle is confirmed for both potassiation and *** on the empirical results,the surface diffusion-mediated potassiation-depotassiation pathways at single-particle level are *** work affords new insights into energy storage mechanisms of Sb anode and valuable guidance for targeted optimization of alloy-typed anodes(not limited to Sb)toward advanced potassium-ion batteries.

关键词： Alloy-typed anode Potassium storage mechanism In situ transmission electron microscopy Reaction interface

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Artificial optical microfingerprints for advanced anticounterfeiting

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nano Research 2024年第5期17卷 4371-4378页

作者： Xueke Pang Qiang Zhang Jingyang Wang Xin Jiang Menglin Wu Mingyue Cui Zhixia Feng Wenxin Xu Bin Song Yao He Suzhou Key Laboratory of nanotechnology and Biomedicine Institute of Functional Nano&Soft Materials&Collaborative Innovation Center of Suzhou Nano Science and Technology(NANO-CIC)Soochow UniversitySuzhou 215123China School of Sensing Science and Engineering Shanghai Engineering Research Center for Intelligent Diagnosis and Treatment InstrumentSchool of Electronic Information and Electrical EngineeringShanghai Jiao Tong UniversityShanghai 200240China

Artificial optical microfingerprints,known as physically unclonable functions(PUFs)offer a groundbreaking approach for ***,these PUFs artificial optical microfingerprints suffer from a limited number of challenge-response pairs,making them vulnerable to machine learning(ML)attacks when additional error-correcting units are *** study presents a pioneering demonstration of artificial optical microfingerprints that combine the advantages of PUFs,a large encoding capacity algorithm,and reliable deep learning authentication against ML *** approach utilizes the triple-mode PUFs,incorporating bright-field,multicolor fluorescence wrinkles,and the topography of surface enhanced Raman scattering in the mechanical and optical ***,the quaternary encoding of these PUFs artificial microfingerprints allows for an encoding capacity of 6.43×10^(24082) and achieves 100%deep learning recognition ***,the PUFs artificial optical microfingerprints exhibit high resilience against ML attacks,facilitated by generative adversarial networks(GAN)(with mean prediction accuracy of~85.0%).The results of this study highlight the potential of utilizing up to three PUFs in conjunction with a GAN training system,paving the way for achieving encoded information that remains resilient to ML attacks.

关键词： artificial microfingerprints physically unclonable functions deep learning anti-counterfeiting

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Large-Area Gravure-Printed AgNWs Electrode on Water/Oxygen Barrier Substrate for Long-Term Stable Large-Area Flexible Organic Solar Cells

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Chinese Journal of Chemistry 2024年第5期42卷 478-484页

作者： Hao Wang Yaqin Pan Yunfei Han Zhuo Chen Tianyu Liu Lianping Zhang Qun Luo Chang-Qi Ma Printable Electronics Research center & i-Lab Suzhou Institute of Nano-Tech and Nano-BionicsChinese Academy of Sciences (CAS)SuzhouJiangsu215123 China nano Science and Technology Institute University of Science and Technology of China166 Ren Ai RoadSEID SIPSuzhouJiangsu215123 China

Large-area AgNWs electrodes(25 cm×10 cm)were fabricated through roll-to-roll printing on the polyvinyl alcohol(PVA)modified water and oxygen barrier *** modification of the barrier film with PVA improved the wettability of silver nanowires on the barrier films and led to the formation of homogenous large-area AgNWs *** mechanical flexibility,especially the adhesion force between the silver electrode and the barrier film substrate was dramatically improved through PVA *** efficiency of 13.51%for the flexible OSCs with an area of 0.64 cm2 was achieved based on the PET/barrier film/PVA/AgNWs *** long-term stability showed the flexible OSCs based on the PET/barrier film/PVA/AgNWs electrode have a significantly improved stability relative to the device on PET/AgNWs electrode,and comparable air stability as the rigid device with glass/ITO *** unencapsulated devices maintained nearly 50%of the original efficiency after storage for 600 h in *** a simple top encapsulation,the flexible devices remained at 60%of the initial efficiency after 2000 h in the ***,the flexible AgNWs electrode based on the barrier film would have the potential to improve the air storage stability of organic flexible solar cells.

关键词： Flexible organic solar cell AgNWs electrode Air storage stability Barrier films substrate Energy conversion Flexible electronics Interface

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Visualizing the crystallization of sodium chloride under supersaturated condition

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nano Research 2024年第8期17卷 7786-7792页

作者： Mao Ye Tao Xu Yuwei Xiong Yatong Zhu Mingrui Zhou Longxiang Han Jinyi Sun Ming Qin Litao Sun SEU-FEI nano-Pico center Key Laboratory of MEMS of Ministry of EducationSchool of Integrated CircuitsSoutheast UniversityNanjing 210096China

Crystallization in supersaturated solution plays a fundamental role in a variety of natural and industrial ***,a thorough understanding of crystallization phenomena in supersaturated solution is still difficult because the real-time visualization of crystallization processes under supersaturated condition is a great ***,an electron beam-induced crystallization method was carried out in in situ liquid cell transmission electron microscopy(TEM)to visualize the crystallization of NaCl under supersaturated condition in real *** steps and behaviors in the crystallization of NaCl were captured and clarified,including the growth of NaCl nanocrystals with different morphologies,the formation of initial crystalline seeds from amorphous ion clusters,and the non-equilibrium growth behaviors caused by uneven distribution of precursor *** study provides the real-time visualization of detailed nucleation and growth behaviors in NaCl crystallization and brings an ideal strategy for investigating crystallization phenomena under supersaturated condition.

关键词： crystallization in situ liquid cell transmission electron microscopy(TEM) electron-water interaction sodium chloride

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Decoding bone-inspired and cell-instructive cues of scaffolds for bone tissue engineering

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Engineered Regeneration 2024年第1期5卷 21-44页

作者： Zahid Hussain Shah Mehmood Xingzhu Liu Yuanshan Liu Guocheng Wang Renjun Pei School of nano-Tech and nano-Bionics University of Science and Technology of China(USTC)Hefei 230026PR China CAS Key Laboratory for nano-Bio Interface Suzhou Institute of Nano-Tech and Nano-Bionics(SINANO)Chinese Academy of SciencesSuzhou 215123PR China Research center for Human Tissues and Organs Degeneration Shenzhen Institute of Advanced Technology(SIAT)Chinese Academy of ScienceShenzhen 518055PR China

Bone fractures are common occurrence in clinical settings,creating a high demand for effective repair ***,limited graft availability,donor site morbidities,unpredictable clinical outcomes,immunologic reactions,infection risks,and geometrical mismatching concerns hampered tissue graft use and underscored the need for scaffolds for more effective bone reconstructions due to their tunable *** progress has been carried out in past decade in the fields of nanoceramics synthesis,bioconjugate chemistry,and composite material *** review outlines hierarchical structures and biology of bone tissue,materialistic compo-nents of scaffolds(bioceramics,polymers,bioactive drugs),featured scaffolding strategies(nanofibers,hydrogels,aerogels,bioprinting,and fiber-reinforced composite),and emphasis that hierarchical and physiochemical char-acteristics of bone should be used as an inspiration for scaffold *** review discussed how differences in materiobiological aspects of scaffolds,such as polymer/bioceramic nanocomposite,mineralized nanocomposite,matrix-rich nanocomposite,3D microenvironmental cues,pore space cues,mechanical cues,usage of physical stimulation(magnetic,electroactive,and photoactivated cues),surface cues(wettability,roughness,textured,and surface charge),and biointerface cues(cell-biomaterial interactions,cell-selective homing,and cell regula-tory strategies)modulate cellular and biological response for bone tissue *** study further outlines the challenges and benefits of integrating materiobiological cues of scaffolds for bone tissue engineering.

关键词： Bone substitute Scaffolds Mineralization Materiobiology Bone tissue engineering

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Modeling analysis of cobalt-based Fischer-Tropsch catalyst particles

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Chinese Journal of Chemical Engineering 2024年第6期70卷 82-92页

作者： Huashuai Wu Gang Wang Yong Yang Yongwang Li College of Chemical Engineering and Technology Taiyuan University of TechnologyTaiyuan 030024China National Energy Research&Development center for Coal to liquid Fuels Synfuels China CompanyLimitedBeijing 101400China

The influences of particle size,shape,and catalyst distribution on the reactivity and hydrocarbon product selectivity of a cobalt-based catalyst for Fischer-Tropsch synthesis were investigated in the present work.A self-consistent kinetic model for Fischer-Tropsch reaction proposed here was found to correlate experimental data well and hence was used to describe the consumption rates of reactants and formation rates of hydrocarbon *** perturbed-chain statistical associating fluid theory equation of state was used to describe vapor-liquid equilibrium behavior associated with Fischer-Tropsch *** interaction between intraparticle diffusion and Fischer-Tropsch reaction was investigated in *** showed that in order to avoid the adverse influence of intraparticle diffusional limitations on catalyst reactivity and product selectivity,the use of small particles is *** eggshell spherical particles are shown to keep the original catalyst reactivity and enhance the selectivity of heavy hydrocarbon *** suitable layer thickness for a spherical particle with a diameter of 2 mm is nearly 0.15 *** the same outer diameter of 2 mm,the catalyst reactivity and heavy product selectivity of hollow cylindrical particles with a layer thickness of 0.25 mm are found to be larger than eggshell spherical *** the viewpoint of catalytic performance,hollow cylindrical particles are a better choice for industrial applications.

关键词： Fischer-Tropsch synthesis Kinetic modeling Vapor-liquid equilibria Numerical simulation Intraparticle diffusion Particle shapes

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A columnar multi-layer sliding triboelectric nanogenerator for water wave energy harvesting independent of wave height and direction

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nano Research 2024年第4期17卷 3029-3034页

作者： Xue Miao Hanxiao Yang Zekun Li Meifei Cheng Yilin Zhao Lingyu Wan Aifang Yu Junyi Zhai center on nanoEnergy Research School of Physical Science and TechnologyGuangxi UniversityNanning 530004China Beijing Institute of nano Energy and nano Systems Chinese Academy of SciencesBeijing 101400China School of nanoscience and Engineering University of Chinese Academy of ScienceBeijing 101408China

The ocean,with its highly variable and complex meteorological conditions,harbors enormous renewable *** nanogenerators(TENGs),which possess unique advantages,show exciting prospects in water wave energy *** to design and optimize TENGs to cover all characteristic water wave energies and achieve efficient energy utilization is *** this paper,we carefully designed and fabricated a columnar multi-layer sliding TENG(CMLS-TENG)that can harvest water wave energy independent of wave height and *** rods with a hollow acrylic spherical shell were introduced to deliver wave energy,ensuring that the CMLS-TENG can work in all directions from 0°to 360°.Based on the sliding structure,switching the optimized CMLS-TENG is independent of wave *** optimized CMLS-TENG can achieve a total power density of 730 mW/m^(3) at a wave height of only 4.8 cm regardless of wave direction,which can illuminate multiple light-emitting diodes(LEDs)to provide lighting and provide power to a watch and a hygrometer for temperature and humidity *** work provides new choices and hopes for the effective collection of full-range water wave energy.

关键词： triboelectric nanogenerator wave energy multi-direction columnar slide

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Multi-site Passivation of ZnO Metal Oxides via Biomolecules for Efficient and Highly Stable Organic Solar Cells

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Chinese Journal of Chemistry 2024年第14期42卷 1582-1592页

作者： Irfan Ismail Maria Khalil Xiaomei Gao Xingze Chen Muhammad Jawad Rong Huang Zhiyun Li Emmanuel Acheampong Tsiwah Wei-shi Li Qun Luo Chang-Qi Ma i-Lab&Printable Electronics Research center Suzhou Institute of Nano-Tech and Nano-Bionics(SINANO)Chinese Academy of Sciences(CAS)SuzhouJiangsu215123 China University of Chinese Academy of Sciences(UCAS) Beijing100040 China School of nano-Tech and nano-Bionics University of Science and Technology of China(USTC)HefeiAnhui230027 China Shanghai Institute of Organic Chemistry(SIOC) Chinese Academy of Sciences(CAS)Shanghai200032 China Vacuum Interconnected nanotech Workstation(nano-X) SuzhouJiangsu215123 China

ZnO nanoparticles(nps)among metal oxide(MOs)are proven to be essential electron transporting layers(ETLs)applied in organic solar cells(OSCs).However,intrinsic defects,interfacial charge recombination,and catalytic behavior towards the active layer restrict the applications of ZnO nps for efficient and long-term stable *** commonly available biomolecule cytidine 5'-monophosphate(CMP-OH)with phosphonic acid,its salt cytidine 5'-monophosphate disodium salt(CMP-ONa)with a phosphate group as an anchoring group and conjugated terminal functional in both analogous molecules provide carrier transfer bridge at bottom interface of the active *** theoretical investigations and characterizations have discovered the multi-site coordination of CMP-OH towards acceptor molecules and ZnO *** dual-side alignment of CMP analogous molecules hinders interfacial charge recombination and enhances charge transfer potential at ***,PM6:L8-BO-based OSCs with modified ETL obtain 18.13%efficiency,12%higher than that of unmodified *** higher efficiency,CMP-OH-based OSC devices illustrate remarkably improved thermal stability for 500 h at 85℃with 72%of initial PCE and operation stability for 2000 h with 90.1%of initial *** work reveals the passivation mechanism of multi-anchoring groups towards MOs and single-functional groups towards the active layer to optimize the interface for efficient and highly stable OSCs.

关键词： Organic solar cells nanoparticles Nucleotides Interfacial interactions Surface chemistry Multi-site passivation

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