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arXiv 2021年

作者： Xu, Guoqiang Yang, Yihao Zhou, Xue Chen, Hongsheng Alù, Andrea Qiu, Cheng-Wei Department of Electrical and Computer Engineering National University of Singapore Kent Ridge117583 Singapore Interdisciplinary Center for Quantum Information State Key Laboratory of Modern Optical Instrumentation ZJU-Hangzhou Global Scientific and Technological Innovation Center Zhejiang University Hangzhou China School of Computer Science and Information Engineering Chongqing Technology and Business University Chongqing400067 China ZJU-Hangzhou Global Science and Technology Innovation Center Key Lab. of Advanced Micro/Nano Electronic Devices & Smart Systems of Zhejiang Zhejiang University Hangzhou310027 China International Joint Innovation Center ZJU-UIUC Institute The Electromagnetics Academy at Zhejiang University Zhejiang University Haining314400 China Photonics Initiative Advanced Science Research Center City University of New York New YorkNY10031 United States Physics Program Graduate Center of the City University of New York New YorkNY10016 United States

Topological insulating phases are usually found in periodic lattices stemming from collective resonant effects, and it may thus be expected that similar features may be prohibited in thermal diffusion, given its purely dissipative and largely incoherent nature. We report the diffusion-based topological states supported by spatiotemporally-modulated advections stacked over a fluidic surface, thereby imitating a periodic propagating potential in effective thermal lattices. We observe edge and bulk states within purely nontrivial and trivial lattices, respectively. At interfaces between these two types of lattices, the diffusive system exhibits interface states, manifesting inhomogeneous thermal properties on the fluidic surface. Our findings establish a framework for topological diffusion and thermal edge/bulk states, and it may empower a distinct mechanism for flexible manipulation of robust heat and mass transfer. © 2021, CC BY.

关键词： Interface states

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Protein and lipid expansion microscopy with trypsin and tyramide signal amplification for 3D imaging

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Scientific reports 2023年第1期13卷 21922页

作者： Ueh-Ting Tim Wang Xuejiao Tian Yae-Huei Liou Sue-Ping Lee Hsiao-Tang Hu Chieh-Han Lu Po-Ting Lin Ya-Jen Cheng Peilin Chen Bi-Chang Chen Affiliated Senior High School of National Taiwan Normal University Taipei 106348 Taiwan. Research Center for Applied Sciences Academia Sinica Taipei 11529 Taiwan. Nano Science and Technology Program Taiwan International Graduate Program Academia Sinica and National Tsing Hua University Taipei 11529 Taiwan. Department of Engineering and System Science National Tsing Hua University Hsinchu 300 Taiwan. Institute of Molecular Biology Academia Sinica Taipei 11529 Taiwan. Institute and Undergraduate Program of Electro-Optical Engineering National Taiwan Normal University Taipei 116 Taiwan. Neuroscience Program NPAS Academia Sinica Taipei 11529 Taiwan ROC. Research Center for Applied Sciences Academia Sinica Taipei 11529 Taiwan. chenb10@gate.sinica.edu.tw.

Expansion microscopy, whereby the relative positions of biomolecules are physically increased via hydrogel expansion, can be used to reveal ultrafine structures of cells under a conventional microscope. Despite its utility for achieving super-resolution imaging, expansion microscopy suffers a major drawback, namely reduced fluorescence signals caused by excessive proteolysis and swelling effects. This caveat results in a lower photon budget and disfavors fluorescence imaging over a large field of view that can cover an entire expanded cell, especially in 3D. In addition, the complex procedures and specialized reagents of expansion microscopy hinder its popularization. Here, we modify expansion microscopy by deploying trypsin digestion to reduce protein loss and tyramide signal amplification to enhance fluorescence signal for point-scanning-based imaging. We name our new methodology TT-ExM to indicate dual trypsin and tyramide treatments. TT-ExM may be applied for both antibody and lipid staining. TT-ExM displayed enhanced protein retention for endoplasmic reticulum and mitochondrial markers in COS-7 cell cultures. Importantly, TT-ExM-based lipid staining clearly revealed the complex 3D membrane structures in entire expanded cells. Through combined lipid and DNA staining, our TT-ExM methodology highlighted mitochondria by revealing their DNA and membrane structures in cytoplasm, as well as the lipid-rich structures formed via phase separation in nuclei at interphase. We also observed lipid-rich chromosome matrices in the mitotic cells. These high-quality 3D images demonstrate the practicality of TT-ExM. Thus, readily available reagents can be deployed in TT-ExM to significantly enhance fluorescence signals and generate high-quality and ultrafine-resolution images under confocal microscopy.

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Curved copper nanowires-based robust flexible transparent electrodes via all-solution approach

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nano Research 2017年第9期10卷 3077-3091页

作者： Zhenxing Yin Seung Keun Song Sanghun Cho Duck-Jae You Jeeyoung Yoo Suk Tai Chang Youn Sang Kim Program in Nano Science and Technology Graduate School of Convergence Science and Technology Seoul National University Seoul 08826 Republic of Korea School of Chemical Engineering and Materials Science Chung-Ang University Seou106974 Republic of Korea Advanced Institutes of Convergence Technology 145 Gwanggyo-ro Yeongtong-gu Suwon-si Gyeonggi-do 16229 Republic of Korea

Curved Cu nanowire (CCN)-based high-performance flexible transparent conductive electrodes (FTCEs) were fabricated via a fully solution-processed approach, involving synthesis, coating, patterning, welding, and transfer. Each step involved an innovative technique for completing the all-solution processes. The high-quality and well-dispersed CCNs were synthesized using a multi-polyol method through the synergistic effect of specific polyol reduction. To precisely control the optoelectrical properties of the FTCEs, the CCNs were uniformly coated on a polyimide (PI) substrate via a simple meniscus-dragging deposition method by tuning several coating parameters. We also employed a polyurethane (PU)-stamped patterning method to effectively produce 20 μm patterns on CCN thin films. The CCN thin films exhibited high electrical performance, which is attributed to the deeply percolated CCN network formed via a solvent-dipped welding method. Finally, the CCN thin films on the PI substrate were partially embedded and transferred to the PU matrix to reduce their surface roughness. Through consecutive processes involving the proposed methods, a highly percolated CCN thin film on the PU matrix exhibited high optoelectrical performance (R s = 53.48 Ω/□ at T = 85.71%), excellent mechanical properties (R/R 0 < 1.10 after the 10th repetition of tape peeling or 1,000 bending cycles), and a low root-mean-square surface roughness (R rms = 14.36 nm).

关键词： curved Cu nanowires all-solution processes 20 μm patterns high performance transparent electrode

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Aqueous Zinc Ion Batteries: Controlling Vanadate nanofiber Interlayer via Intercalation with Conducting Polymers: Cathode Material Design for Rechargeable Aqueous Zinc Ion Batteries (Adv. Funct. Mater. 26/2021)

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Advanced Functional Materials 2021年第26期31卷

作者： Jichang Kim Se Hun Lee Changyong Park Hyung-Seok Kim Jae-Ho Park Kyung Yoon Chung Heejoon Ahn Human-Tech Convergence Program Department of Organic and Nano Engineering Hanyang University 222 Wangsimni-ro Seongdong-gu Seoul 04763 Republic of Korea Institute of Nano Science and Technology Hanyang University 222 Wangsimni-ro Seongdong-gu Seoul 04763 Republic of Korea Center for Energy Storage Research Korea Institute of Science and Technology 5 Hwarang-ro 14-gil Seongbuk-gu Seoul 02792 Republic of Korea KHU-KIST Department of Converging Science and Technology Kyung Hee University Seoul 02447 Republic of Korea Department of Materials Science and Engineering Korea University 145 Anam-ro Seongbuk-gu Seoul 02841 Republic of Korea Division of Energy & Environment Technology KIST School Korea University of Science and Technology 5 Hwarang-ro 14-gil Seongbuk-gu Seoul 02792 Republic of Korea

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Harnessing microalgae to mitigate the environmental impact of the cement industry: Emission reduction and bio-cement production

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Carbon Capture science & technology 2025年 16卷

作者： Ve Van Le Maranda Esterhuizen Quynh-Giao Tran Jin-Ho Yun Man-Young Jung Sang-Ah Lee Faculty of Biotechnology College of Applied Life Sciences Jeju National University 102 Jejudaehak-Ro Jeju 63243 South Korea University of Helsinki Ecosystems and Environment Research Programme Faculty of Biological and Environmental Sciences Niemenkatu 73 Lahti 15140 Finland Cell factory Research Centre Korea Research Institute of Bioscience & Biotechnology 125 Gwahak-ro Yuseong-gu Daejeon 34141 South Korea Department of Environmental Biotechnology KRIBB School of Biotechnology University of Science & Technology Daejeon 34113 South Korea Department of Integrative Biotechnology Sungkyunkwan University Suwon 16419 South Korea Interdisciplinary Graduate Program in Advance Convergence Technology and Science Jeju National University 102 Jejudaehak-ro Jeju 63243 South Korea Bio-Health Materials Core-Facility Center Jeju National University 102 Jejudaehak-ro Jeju 63243 South Korea Department of Biology Education Jeju National University Jeju 63243 South Korea

The cement industry has been the cornerstone of economic development since the Industrial Revolution. However, the calcination process used to produce cement raw materials releases various pollutants, such as carbon dioxide, nitrogen oxides, and sulfur oxides, which are key contributors to global warming. Therefore, innovative technologies are urgently needed to minimize the environmental impact of the cement industry. In recent years, microalgae have gained attention because of their advantages in recovering resources and reducing the impacts of industrial pollutants. The use of microalgae to address the environmental challenges associated with cement production remains largely overlooked in current reviews. This review summarizes the recent advances in the utilization of microalgae to address the environmental challenges posed by the cement industry. Microalgae offer two main pathways for environmental mitigation: the (i) production of bio-cement as an eco-friendly alternative for construction and (ii) conversion of cement flue gases into biomass feedstock with high-value downstream applications. We also identify existing challenges and propose an integrative “Microalgae–Bacteria Consortium” system as a sustainable strategy for the significant reduction of the environmental footprint of cement production. This approach has the potential to transform the cement industry into a more sustainable and eco-friendlier sector. Overall, microalgae provide an innovative and sustainable platform to revolutionize the cement industry into a greener sector, supporting the global shift toward a low-carbon, circular economy.

关键词： Microalgae–bacteria consortium Microalgae Cement calcination Bio-cement Flue gas Sustainable construction Greenhouse gas

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E8 Spectra of Quasi-One-Dimensional Antiferromagnet BaCo2V2O8 under Transverse Field

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Physical Review Letters 2021年第7期127卷 077201-077201页

作者： Haiyuan Zou Yi Cui Xiao Wang Z. Zhang J. Yang G. Xu A. Okutani M. Hagiwara M. Matsuda G. Wang Giuseppe Mussardo K. Hódsági M. Kormos Zhangzhen He S. Kimura Rong Yu Weiqiang Yu Jie Ma Jianda Wu Tsung-Dao Lee Institute Shanghai Jiao Tong University Shanghai 200240 China Department of Physics and Beijing Key Laboratory of Opto-electronic Functional Materials and Micro-nano Devices Renmin University of China Beijing 100872 China NIST Center for Neutron Research National Institute of Standards and Technology Gaithersburg Maryland 20899-6102 USA Center for Advanced High Magnetic Field Science Graduate School of Science Osaka University Toyonaka Osaka 560-0043 Japan Neutron Scattering Division Oak Ridge National Laboratory Oak Ridge Tennessee 37831 USA Beijing National Laboratory for Condensed Matter Physics Institute of Physics Chinese Academy of Sciences Beijing 100190 China SISSA and INFN Sezione di Trieste Via Bonomea 265 I-34136 Trieste Italy BME-MTA Statistical Field Theory Research Group Institute of Physics Budapest University of Technology and Economics 1111 Budapest Budafoki út 8 Hungary MTA-BME Quantum Dynamics and Correlations Research Group Department of Theoretical Physics Budapest University of Technology and Economics 1111 Budapest Budafoki út 8 Hungary State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences Fuzhou Fujian 350002 China Institute for Materials Research Tohoku University Sendai Miyagi 980-8577 Japan Key Laboratory of Artificial Structures and Quantum Control (Ministry of Education) Shenyang National Laboratory for Materials Science School of Physics and Astronomy Shanghai Jiao Tong University Shanghai 200240 China School of Physics and Astronomy Shanghai Jiao Tong University Shanghai 200240 China

We report V51 NMR and inelastic neutron scattering (INS) measurements on a quasi-1D antiferromagnet BaCo2V2O8 under transverse field along the [010] direction. The scaling behavior of the spin-lattice relaxation rate above the Néel temperatures unveils a 1D quantum critical point (QCP) at Hc1D≈4.7 T, which is masked by the 3D magnetic order. With the aid of accurate analytical analysis and numerical calculations, we show that the zone center INS spectrum at Hc1D is precisely described by the pattern of the 1D quantum Ising model in a magnetic field, a class of universality described in terms of the exceptional E8 Lie algebra. These excitations are nondiffusive over a certain field range when the system is away from the 1D QCP. Our results provide an unambiguous experimental realization of the massive E8 phase in the compound, and open a new experimental route for exploring the dynamics of quantum integrable systems as well as physics beyond integrability.

关键词： Quantum phase transitions

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Bipolar resistive switching in Electrolyte-Oxide-Semiconductor (EOS) Structure 14

Bipolar resistive switching in Electrolyte-Oxide-Semiconduct...

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14th IEEE International Conference on Solid-State and Integrated Circuit technology, ICSICT 2018

作者： Kang, Tian Zhu, Jia Huang, Yun Chen, Xiaoyu Chen, Zhuojie Lin, Guanzhou Jin, Shengxiao Wu, Wengang Shenzhen Graduate School Peking University Shenzhen China National Key Laboratory of Science and Technology on Micro Nano Fabrication Peking University Beijing China

ISBN: (纸本)9781538644409

An Electrolyte-Oxide Semiconductor (EOS) structure employing electrolyte top electrode is presented in this paper. This structure is based on the metal conductive filament mechanism and exhibits bipolar resistive switching. Due to the formation or rupture of the conductive filaments, this device exhibits different resistance states. The operating voltage of EOS is in the range of -1V1V with 0.1mol/L CuSO4 solution, and the performance is relatively stable under repeated voltage cycles. This device embodies the series characteristics of the electrolyte and conductive filaments. A series model of electrolyte and conductive filaments is used to explain the current-voltage (I-V) relationship of this device. Comparing with the active electrode of metal, this device doesn't require metal ionization processing. Therefore, it would be a better tool to explore the mechanism of ion migration and the formation of conductive filaments. The metal materials screening in RRAM would also be more efficient. © 2018 IEEE.

关键词： Electrolytes

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Cover Feature: Sodium Ion-Conducting Electrolytes Based on Chloroaluminate Ionic Liquids and δ-NaCl (ChemSusChem 20/2024)

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ChemSusChem 2024年第20期17卷

作者： Sumit Kumar Rajesh Raghupathy Prof. Keti Vezzù Dr. Mounesha N. Garaga Dr. Xiaoping Zhu Prof. Steve Greenbaum Prof. Vito Di Noto Prof. Michele Vittadello Department of Chemistry and Environmental Science Medgar Evers College of the City University of New York (CUNY) 1638 Bedford Avenue Brooklyn NY 11225 USA Bioorganic Research Laboratory Department of Chemistry University of Delhi University Enclave Delhi 110007 India Nano and Bioelectrochemistry Research Laboratory and Carbon Dioxide Research and Green Technology Centre Department of Chemistry School of Advanced Sciences Vellore Institute of Technology Tiruvalam Road Vellore 632014 India Section of Chemistry for the Technology (ChemTech) Department of Industrial Engineering University of Padova Via Marzolo 9 I-35131 Padova PD Italy Department of Physics Hunter College of CUNY 695 Park Avenue New York NY 10021 USA Ph.D. Program in Physics The Graduate Center of CUNY 365 5th Avenue New York New York 10016 USA Centro Studi di Economia e Tecnica dell'Energia Giorgio Levi Cases Via Marzolo 9 I-35131 Padova PD Italy Ph.D. Program in Chemistry The Graduate Center of CUNY 365 5th Avenue New York New York 10016 USA

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Effects of disorder and hydrostatic pressure on charge density wave and superconductivity in 2H−TaS2

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Physical Review B 2021年第22期103卷 224509-224509页

作者： Shuxiang Xu Jingjing Gao Ziyi Liu Keyu Chen Pengtao Yang Shangjie Tian Chunsheng Gong Jianping Sun Mianqi Xue Jun Gouchi Xuan Luo Yuping Sun Yoshiya Uwatoko Hechang Lei Bosen Wang Jinguang Cheng Beijing National Laboratory for Condensed Matter Physics and Institute of Physics Chinese Academy of Sciences Beijing 100190 China School of Physical Sciences University of Chinese Academy of Sciences Beijing 100190 China Key Laboratory of Materials Physics Institute of Solid State Physics Chinese Academy of Sciences Hefei 230031 China Science Island Branch of Graduate School University of Science and Technology of China Hefei 230026 China Department of Physics and Beijing Key Laboratory of Opto-electronic Functional Materials & Micro-nano Devices Renmin University of China Beijing 100872 China Technical Institute of Physics and Chemistry Chinese Academy of Sciences Beijing 100190 China Institute for Solid State Physics University of Tokyo Kashiwanoha 5-1-5 Kashiwa Chiba 277–8581 Japan High Magnetic Field Laboratory Chinese Academy of Sciences Hefei 230031 China Collaborative Innovation Center of Microstructures Nanjing University Nanjing 210093 China Songshan Lake Materials Laboratory Dongguan Guangdong 523808 China

We report the comparative effects of disorder and hydrostatic pressure on charge density wave (CDW) and superconductivity (SC) in 2H−TaS2 by measuring electrical resistivity and ac magnetic susceptibility. For the crystals in the clean limit (low disorder level), CDW ground state is suppressed completely at a critical pressure Pc∼6.24(5)GPa where a dome-shaped pressure dependence of superconducting transition temperature Tc(P) appears with a maximum value of Tcmax∼9.15K, indicating strong competitions between CDW and SC. The temperature exponent n of low-temperature resistivity data decreases from ∼3.36 at ambient pressure (AP) to ∼1.29(2) at Pc and then retains a saturated value ∼2.10(4) when the pressure is higher than 7.5 GPa; accordingly, the quadratic temperature coefficient of normal-state resistivity A peaks out just at Pc with an enhancement by nearly one order in magnitude. These features strongly manifest that the enhanced critical CDW fluctuations near Pc are possible important glues for superconducting pairings. High-pressure magnetic susceptibility indicates that superconducting shielding volume increases with pressure and retains a nearly constant value above Pc, which evidences that the enhancement of Tc(P) is accompanied by the expense of CDW. For those crystals in dirty limit (high disorder level), there is no clear CDW phase transition in resistivity; the pressure dependence of Tc(P) and n broadens up and becomes less apparent in comparison with the clean crystals. Our results suggest that disorder scattering and the melting of CDW are two factors affecting SC, and the melting of CDW dominates the change of Tc below Pc; the enhancement of Tc(P) is associated with the suppression of CDW by pressure and the increase in the density of states at Fermi level; however, after the CDW collapse, superconducting pairing strength is strongly weakened by impurity scattering above Pc according to Anderson's theorem.

关键词： Charge density waves Electrical properties Magnetic susceptibility Pressure effects Superconductivity Pressure techniques

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Pyrolysis of three-dimensional wood-based lignocellulosic materials for lithium ion battery electrodes

Pyrolysis of three-dimensional wood-based lignocellulosic ma...

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The 4th International Congress on Advanced Materials (AM2018)

作者： Yuanzhe Piao Graduate School of Convergence Science and Technology Seoul National University

Lithium-ion batteries are widely used as power sources for portable electronic devices such as digital cameras,notebooks,and digital communication *** efforts have been made to further improve the electrochemical performance of lithium-ion *** application of nanocellulose-based scaffolds as precursors for electrode materials can result in cost-effective *** this work,pyrolysis of three-dimensional wood-based lignocellulosic materials was studied for the preparation of electrodes with high surface area and adjustable porosity to obtain conductive open networks that show a high electronic *** experiments using pyrolysed nanocellulose aerogels have shown that,by increasing the micropore volume and tailoring them to specific electrolytes,higher specific capacitances could be *** cellulose nanofibers entangle each silicon nanoparticle and become extensively interconnected carbon network after *** wide range interconnection provides an efficient electron path by decreasing the likelihood that electrons experience contact resistivity and also suppresses the volume expansion of silicon during lithiation.

关键词： Lithium-ion battery Lignocellulosic material Electrode

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