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technology Roadmap for Flexible Sensors

ACS NANO 2023年第6期17卷 5211-5295页

作者： Luo, Yifei Abidian, Mohammad Reza Ahn, Jong-Hyun Akinwande, Deji Andrews, Anne M. Antonietti, Markus Bao, Zhenan Berggren, Magnus Berkey, Christopher A. Bettinger, Christopher John Chen, Jun Chen, Peng Cheng, Wenlong Cheng, Xu Choi, Seon-Jin Chortos, Alex Dagdeviren, Canan Dauskardt, Reinhold H. Di, Chong-an Dickey, Michael D. Duan, Xiangfeng Facchetti, Antonio Fan, Zhiyong Fang, Yin Feng, Jianyou Feng, Xue Gao, Huajian Gao, Wei Gong, Xiwen Guo, Chuan Fei Guo, Xiaojun Hartel, Martin C. He, Zihan Ho, John S. Hu, Youfan Huang, Qiyao Huang, Yu Huo, Fengwei Hussain, Muhammad M. Javey, Ali Jeong, Unyong Jiang, Chen Jiang, Xingyu Kang, Jiheong Karnaushenko, Daniil Khademhosseini, Ali Kim, Dae-Hyeong Kim, Il-Doo Kireev, Dmitry Kong, Lingxuan Lee, Chengkuo Lee, Nae-Eung Lee, Pooi See Lee, Tae-Woo Li, Fengyu Li, Jinxing Liang, Cuiyuan Lim, Chwee Teck Lin, Yuanjing Lipomi, Darren J. Liu, Jia Liu, Kai Liu, Nan Liu, Ren Liu, Yuxin Liu, Yuxuan Liu, Zhiyuan Liu, Zhuangjian Loh, Xian Jun Lu, Nanshu Lv, Zhisheng Magdassi, Shlomo Malliaras, George G. Matsuhisa, Naoji Nathan, Arokia Niu, Simiao Pan, Jieming Pang, Changhyun Pei, Qibing Peng, Huisheng Qi, Dianpeng Ren, Huaying Rogers, John A. Rowe, Aaron Schmidt, Oliver G. Sekitani, Tsuyoshi Seo, Dae-Gyo Shen, Guozhen Sheng, Xing Shi, Qiongfeng Someya, Takao Song, Yanlin Stavrinidou, Eleni Su, Meng Sun, Xuemei Takei, Kuniharu Tao, Xiao-Ming Tee, Benjamin C. K. Thean, Aaron Voon-Yew Trung, Tran Quang Wan, Changjin Wang, Huiliang Wang, Joseph Wang, Ming Wang, Sihong Wang, Ting Wang, Zhong Lin Weiss, Paul S. Wen, Hanqi Xu, Sheng Xu, Tailin Yan, Hongping Yan, Xuzhou Yang, Hui Yang, Le Yang, Shuaijian Yin, Lan Yu, Cunjiang Yu, Guihua Yu, Jing Yu, Shu-Hong Yu, Xinge Zamburg, Evgeny Zhang, Haixia Zhang, Xiangyu Zhang, Xiaosheng Zhang, Xueji Zhang, Yihui Zhang, Yu Zhao, Siyuan Zhao, Xuanhe Zheng, Yuanjin Zheng, Yu-Qing Zheng, Zijian Zhou, Tao Zhu, Bowen Zhu, Ming Zhu, Rong Zhu, Yangzhi Zhu, Yong Zou, Guijin Chen, Xiaodong Institute of Materials Research and Engineering (IMRE) Agency for Science Technology and Research (A*STAR) 2 Fusionopolis Way #08-03 Innovis Singapore 138634 Republic of Singapore；Innovative Centre for Flexible Devices (iFLEX) School of Materials Science and Engineering Nanyang Technological University Singapore 639798 Singapore Department of Biomedical Engineering University of Houston Houston Texas 77024 United States School of Electrical and Electronic Engineering Yonsei University Seoul 03722 Republic of Korea Department of Electrical and Computer Engineering The University of Texas at Austin Austin Texas 78712 United States；Microelectronics Research Center The University of Texas at Austin Austin Texas 78758 United States Department of Chemistry and Biochemistry California NanoSystems Institute and Department of Psychiatry and Biobehavioral Sciences Semel Institute for Neuroscience and Human Behavior and Hatos Center for Neuropharmacology University of California Los Angeles Los Angeles California 90095 United States Colloid Chemistry Department Max Planck Institute of Colloids and Interfaces 14476 Potsdam Germany Department of Chemical Engineering Stanford University Stanford California 94305 United States Laboratory of Organic Electronics Department of Science and Technology Campus Norrköping Linköping University 83 Linköping Sweden；Wallenberg Initiative Materials Science for Sustainability (WISE) and Wallenberg Wood Science Center (WWSC) SE-100 44 Stockholm Sweden Department of Materials Science and Engineering Stanford University Stanford California 94301 United States Department of Biomedical Engineering and Department of Materials Science and Engineering Carnegie Mellon University Pittsburgh Pennsylvania 15213 United States Department of Bioengineering University of California Los Angeles Los Angeles California 90095 United States School of Chemistry Chemical Engineering and Biotechnology Nanyang Technological University Singapore 637457

Humans rely increasingly on sensors to address grand challenges and to improve quality of life in the era of digitalization and big data. For ubiquitous sensing, flexible sensors are developed to overcome the limitations of conventional rigid counterparts. Despite rapid advancement in bench-side research over the last decade, the market adoption of flexible sensors remains limited. To ease and to expedite their deployment, here, we identify bottlenecks hindering the maturation of flexible sensors and propose promising solutions. We first analyze continued...challenges in achieving satisfactory sensing performance for real-world applications and then summarize issues in compatible sensor-biology interfaces, followed by brief discussions on powering and connecting sensor networks. Issues en route to commercialization and for sustainable growth of the sector are also analyzed, highlighting environmental concerns and emphasizing nontechnical issues such as business, regulatory, and ethical considerations. Additionally, we look at future intelligent flexible sensors. In proposing a comprehensive roadmap, we hope to steer research efforts towards common goals and to guide coordinated development strategies from disparate communities. Through such collaborative

关键词： soft materials mechanics engineering flexible electronics conformable sensors bioelectronics human-machine interfaces body area sensor networks technology translation sustainable electronics

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Antiferroelectric and Magnetic Performance in La 0.2Sr 0.7Fe 12O 19 System

SSRN

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SSRN 2020年

作者： Nan, Nan Tan, Edward J. Li, Xue Tan, Guolong State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of Technology Wuhan430070 China School of Science Hubei University of Automotive Technology Shiyan442002 China

The integration of antiferroelectricity and ferromagnetism has been characterized as a novel performance in some special multiferroics, which could be designed for memories and energy storage purposes. Our study demonstrates that La modified M-type strontium hexaferrite (La0.2Sr0.7Fe12O19) has integrated such novel multiferroic features. By substituting 0.3 Sr 2+ ions with 0.2 La3+ ions in pure SrFe12O 19 so as to keep the charge balance, antiferroelectric state is switched on, being evidenced by double P-E hysteresis loops. The polarization saturated at 154 mC/cm 2 while the remnant polarization stays at 38 μC/cm2. The occurrence of antiferroelectrics is related to the the interruption of translational periodic symmetry by occupy of La atoms on Sr sites, which was verified by blue shift of the vibration bands to higher frequency side in Raman spectrum. The substitution lowers the Curie temperature for the phase transition from ferroelectric state to antiferroelectric one down to the vicinity of room temperature. The ferromagnetic hysteresis loop gives the values of remnant magnetic moment at 37.5 emu/g and coercive field at 4737 Oe, implying its strong magnetism. The X-ray photoelectron spectrometry (XPS) reveals the filling of ligating oxygen vacancy sites through oxygen heat-treatment and the enhancement in ferromagnetism is contributed from one additional unpaired 4f 1 electron spin in La 3+ . Therefore, the substitution of La3+ with Sr2+ in SrFe12O19 would not only transform it from ferroelectrics to antiferroelectrics, but could also improve its magnetic performance. This novel multiferroic feature combining antiferroelectrics and ferromagnetism could provide one more additional freedom to store energy by applying magnetic field. © 2020, The Authors. All rights reserved.

关键词： Raman scattering

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Low-temperature Rapid synthesis of Ultrafine Hafnium Carbide Ceramic Powders

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Journal of Wuhan University of technology(materials Science) 2018年第4期33卷 843-848页

作者：吴洁王为民 LIU Chun State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan Universi(y of TechnologyWuhan 430070China

Nano hafnium carbide（HfC） powders were synthesized by sol-gel combining hightemperature rapid heat treatment process using citric acid and hafnium tetrachloride as the raw materials. The effects of ball milling treatment on the phase and morphology of pyrolysis products（HfO_2-C） and final HfC product were investigated and the influences of heat treatment temperature and holding time on the structure and properties of the synthesized hafnium carbide powders were also studied. The experimental results showed that the HfO_2-C powders with good uniformity and small particle size were prepared by controlling the milling time. Pure HfC powders with an average particle size of 500 nm were obtained at 1 700 ℃ with a holding time of 3 min, and the oxygen content was about 0.69 wt%, lower than that of the hafnium carbide powders prepared by SPS（0.97%）.

关键词： hafnium carbides sol-gel ball milling high temperature heat treatment

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Machine learning aided parameter analysis in Perovskite X-ray Detector

arXiv

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arXiv 2024年

作者： Zhang, Bobo Huang, Endai Du, Xinyi Ma, Xiaokang Zhang, Lu You, Jiaxue Jen, Alex K.Y. Liu, Shengzhong Key Laboratory of Applied Surface and Colloid Chemistry Ministry of Education Shaanxi Key Laboratory for Advanced Energy Devices Shaanxi Engineering Lab for Advanced Energy Technology Institute for Advanced Energy Materials School of Materials Science and Engineering Shaanxi Normal University Xi’an710119 China Research Institute of Medical and Biological Engineering Ningbo University Zhejiang315211 China Department of Computer Science and Engineering The Chinese University of Hong Kong 999077 Hong Kong Department of Chemical and Biomolecular Engineering National University of Singapore Singapore Singapore National University of Singapore Singapore Singapore State Key Laboratory of Solidification Processing Northwestern Polytechnical University Shaanxi Xi’an710072 China Department of Materials Science and Engineering Hong Kong Institute for Clean Energy City University of Hong Kong 999077 Hong Kong Dalian National Laboratory for Clean Energy iChEM Dalian Institute of Chemical Physics Chinese Academy of Sciences Dalian116023 China University of the Chinese Academy of Sciences Beijing100039 China

Many factors in perovskite X-ray detectors, such as crystal lattice and carrier dynamics, determine the final device performance (e.g., sensitivity and detection limit). However, the relationship between these factors remains unknown due to the complexity of the material. In this study, we employ machine learning to reveal the relationship between 15 intrinsic properties of halide perovskite materials and their device performance. We construct a database of X-ray detectors for the training of machine learning. The results show that the band gap is mainly influenced by the atomic number of the B-site metal, and the lattice length parameter b has the greatest impact on the carrier mobility-lifetime product (μτ). An X-ray detector (m-F-PEA)2PbI4 were generated in the experiment and it further verified the accuracy of our ML models. We suggest further study on random forest regression for X-ray detector applications. © 2024, CC BY.

关键词： Machine learning

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Upper bound of a band complex

arXiv

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arXiv 2023年

作者： Li, Si Zhang, Zeying Feng, Xukun Wu, Weikang Yu, Zhi-Ming Zhao, Y.X. Yao, Yugui Yang, Shengyuan A. School of Physics Northwest University Xi’an710127 China Shaanxi Key Laboratory for Theoretical Physics Frontiers Xi’an710127 China College of Mathematics and Physics Beijing University of Chemical Technology Beijing100029 China Research Laboratory for Quantum Materials Singapore University of Technology and Design Singapore487372 Singapore Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials Ministry of Education Shandong University Jinan250061 China Beijing Key Lab of Nanophotonics & Ultrafine Optoelectronic Systems School of Physics Beijing Institute of Technology Beijing100081 China National Laboratory of Solid State Microstructures Department of Physics Nanjing University Nanjing210093 China Collaborative Innovation Center of Advanced Microstructures Nanjing University Nanjing210093 China

Band structure for a crystal generally consists of connected components in energy-momentum space, known as band complexes. Here, we explore a fundamental aspect regarding the maximal number of bands that can be accommodated in a single band complex. We show that in principle a band complex can have no finite upper bound for certain space groups. It means infinitely many bands can entangle together, forming a connected pattern stable against symmetry-preserving perturbations. This is demonstrated by our developed inductive construction procedure, through which a given band complex can always be grown into a larger one by gluing a basic building block to it. As a by-product, we demonstrate the existence of arbitrarily large accordion type band structures containing NC = 4n bands, with n ∈ N. Copyright © 2023, The Authors. All rights reserved.

关键词： Band structure

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Novel MOF shell-derived surface modification of Li-rich layered oxide cathode for enhanced lithium storage

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Science Bulletin 2018年第1期63卷 46-53页

作者： Zhitong Xiao Jiashen Meng Qi Li Xuanpeng Wang Meng Huang Ziang Liu Chunhua Han Liqiang Mai State Key Laboratory of Advanced Technology for Materials Synthesis and Processing International School of Materials Science and Engineering Wuhan University of Technology Department of Chemistry University of California

Li-rich layered oxide materials have attracted increasing attention because of their high specific capacity(>250 mAh g^(-1)). However, these materials typically suffer from poor cycling stability and low rate performance. Herein, we propose a facile and novel metal-organic-framework(MOF) shell-derived surface modification strategy to construct NiCo nanodots decorated(~5 nm in diameter) carbon-confined Li_(1.2)Mn_(0.54) Ni_(0.13)Co_(0.13)O_2 nanoparticles(LLO@C&NiCo). The MOF shell is firstly formed on the surface of as-prepared Li_(1.2)Mn_(0.54)Ni_(0.13)Co_(0.13)O_2 nanoparticles via low-pressure vapor superassembly and then is in situ converted to the NiCo nanodots decorated carbon shell after subsequent controlled *** obtained LLO@C&NiCo cathode exhibits enhanced cycling and rate capability with a capacity retention of 95% after 100 cycles at 0.4 C and a high capacity of 159 mAh g^(-1) at 5 C, respectively, compared with those of LLO(75% and 105 mAh g^(-1)). The electrochemical impedance spectroscopy and selected area electron diffraction analyses after cycling demonstrate that the thin C&NiCo shell can endow LLO with high electronic conductivity and structural stability, indicating the undesired formation of the spinel phase initiated from the particle surface is efficiently suppressed. Therefore, this presented strategy may open a new avenue on the design of high-performance electrode materials for energy storage.

关键词： Surface modification MOF shell Li-rich layered oxide Lithium-ion battery

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Morphology engineering of atomic layer defect-rich CoSe2 nanosheets for highly selective electrosynthesis of hydrogen peroxide

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Journal of materials Chemistry A 2021年第37期9卷 21340-21346页

作者： Yuan Ji Yundan Liu Bin-Wei Zhang Zhongfei Xu Xiang Qi Xun Xu Long Ren Yi Du Jianxin Zhong Shi Xue Dou Hunan Key Laboratory of Micro-Nano Energy Materials and Devices Laboratory for Quantum Engineering and Micro-Nano Energy Technology and Faculty of Materials and Optoelectronic Physics Xiangtan University Hunan 411105 P. R. China Institute for Superconducting and Electronic Materials (ISEM) University of Wollongong Wollongong NSW 2500 Australia Beijing Computational Science Research Center Beijing China State Key Laboratory of Advanced Technology for Materials Synthesis and Processing and International School of Materials Science and Engineering Wuhan University of Technology Wuhan 430070 China BUAA-UOW Joint Research Centre and School of Physics Beihang University Beijing China

Hydrogen peroxide (H2O2) is widely used as a green oxidant for varying applications. Electrosynthesis is an economical and environmentally-friendly strategy to directly produce H2O2. Its practical production is hinder...

Hydrogen peroxide (H₂O₂) is widely used as a green oxidant for varying applications. Electrosynthesis is an economical and environmentally-friendly strategy to directly produce H₂O₂. Its practical production is hindered, however, by the lack of highly efficient and selective as well as low-cost electrocatalysts. Transition metal chalcogenide materials have been proved to be good catalysts for the oxygen evolution reaction, but their selectivity towards conversion of O₂ to H₂O₂ remains unsatisfactory. In this work, 3 atomic-layer defect-rich CoSe₂ nanosheets have been successfully grown on carbon cloth as a high performance electrocatalyst. The morphology of CoSe₂ can be tuned by regulating the wettability of the growth substrate. The atomic-layer CoSe₂ nanosheets showed unprecedented 92% selectivity towards H₂O₂ production in alkaline solutions, and the yields of H₂O₂ in alkaline and acidic solutions were 1227.7 mg L⁻¹ h⁻¹ and 894 mg L⁻¹ h⁻¹, respectively. The high efficiency and selectivity originate from the rich defects in the atomic-layer CoSe₂ nanosheets, which can accelerate the adsorption of OOH by the exposed Co defect sites.

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Magnetic Fe3O4@mTiO2-AIPA Microspheres for Separation of Phosphoproteins and Non-phosphoproteins

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Journal of Wuhan University of technology(materials Science) 2019年第3期34卷 752-759页

作者： TANG Qiuhan LU Qi QING Guangyan School of Chemistry Chemical Engineering and LifeScienceWuhan University of TechnologyWuhan430070China State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of TechnologyWuhan430070China Research &Development Center Jushi Group Co.UdTongxiang314500China

A novel phosphoprotein separation material was developed, which is constructed by a magnetic mesoporous Fe3 O4@TiO2（Fe3 O4@mTiO2） microsphere and a 5-aminoisophthalic acid（AIPA） monolayer that provides additional binding sites toward phosphate groups. The results of characteristic experiments demonstrated that Fe3 O4@mTiO2-AIPA had good dispersability, high magnetic susceptibility, and satisfactory grafting ratio of AIPA, ascribed to the large specific surface area of the inorganic substrate. Taking advantages of these features, Fe3 O4@mTiO2-AIPA was successfully utilized to separate α-casein（a typical phosphoprotein） and bovine serum albumin（BSA, a typical non-phosphoprotein） from their mixtures（molar ratio = 1:2）. Through adjusting pH and polarity of solutions, the BSA and α-casein were respectively enriched in washing fraction and elution fraction. This result displays the good potential of Fe3 O4@mTiO2-AIPA for application in phosphoprotein enrichment.

关键词： magnetic microsphere phosphoprotein separation α-casein

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Confining Conversion Chemistry in Intercalation Host for Aqueous Batteries

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Angewandte Chemie 2024年第38期136卷

作者： Qiuyue Gui Wenjun Cui Deliang Ba Prof. Xiahan Sang Prof. Yuanyuan Li Jinping Liu State Key Laboratory of Advanced Technology for Materials Synthesis and Processing and School of Chemistry Chemical Engineering and Life Science Wuhan University of Technology Wuhan Hubei 430070 China Nanostructure Research Center Wuhan University of Technology Wuhan Hubei 430070 China School of Integrated Circuits Huazhong University of Science and Technology Wuhan Hubei 430074 China

Conversion-type anode materials with high theoretical capacities play a pivotal role in developing future aqueous rechargeable batteries (ARBs). However, their sustainable applications have long been impeded by the poor cycling stability and sluggish redox kinetics. Here we show that confining conversion chemistry in intercalation host could overcome the above challenges. Using sodium titanates as a model intercalation host, an integrated layered anode material of iron oxide hydroxide-pillared titanate (FeNTO) is demonstrated. The conversion reaction is spatially and kinetically confined within sub-nano interlayer, enabling superlow redox polarization (ca. 4–6 times reduced), ultralong lifespan (up to 8700 cycles) and excellent rate performance. Notably, the charge compensation of interlayer via universal cation intercalation into host endows FeNTO with the capability of operating well in a broad range of aqueous electrolytes (Li + , Na + , K + , Mg 2+ , Ca 2+ , etc.). We further demonstrate the large-scale synthesis of FeNTO thin film and powder, and rational design of quasi-solid-state high-voltage ARB pouch cells powering wearable electronics against extreme mechanical abuse. This work demonstrates a powerful confinement means to access disruptive electrode materials for next-generation energy devices.

关键词： conversion chemistry intercalation host sub-nano confinement aqueous rechargeable batteries wearable pouch cell

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Electric-Dipole Coupling Ion-Dipole Engineering Induced Rational Solvation-Desolvation Behavior for Constructing Stable Solid-state Lithium Metal Batteries

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Angewandte Chemie 2025年

作者： Feng Tao Kaijian Yan Chenxu Dong Jiajing Wang Qianmu Pan Minjian Gong Jiapei Gu Chunli Shen Ruohan Yu Yuanzhi Jiang Mingjian Yuan Cheng Zhou Meng Huang Xu Xu Liqiang Mai Sanya Science and Education Innovation Park of Wuhan University of Technology Sanya 572000 P.R. China State Key Laboratory of Advanced Technology for Materials Synthesis and Processing School of Materials Science and Engineering Wuhan University of Technology Wuhan Hubei 430070 P.R. China State Key Laboratory of Advanced Chemical Power Sources Frontiers Science Center for New Organic Matter Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education) College of Chemistry Nankai University Tianjin 300071 P.R. China Hubei Longzhong Laboratory Wuhan University of Technology (Xiangyang Demonstration Zone) Xiangyang Hubei 441000 China

Solid-state polymer electrolytes (SPEs) with high ionic conductivity, a wide voltage window, and an ultrastability electrolyte/electrode interface are essential for practical applications of solid lithium-metal batteries but particularly challenging. The key to overcoming these long-term obstacles lies in the rational design of the Li + solvation-desolvation behavior in SPEs. Herein, we propose an electric-dipole coupling ion-dipole strategy to modulate the Li + solvation structure and enhance Li + desolvation kinetics. The experimental characterizations and theoretical calculations indicate that the free solvents and FSI − are anchored by ion–dipole interactions, which facilitate the transfer of Li + and obtain a wide electrochemical stability window. Coupling the electric-dipole interactions that promote lithium salt dissociation and rapid ion desolvation contributes to obtaining more mobile Li + and realizing an inorganic-rich electrolyte/electrode interface. Benefiting from the above benefits, the assembled lithium symmetric cells and the full cells demonstrate ultralong cycling life. More importantly, full cells with high-loading cathodes (LiFePO 4 with 11.25 mg cm −2 , NCM811 with 7.84 mg cm −2 ) and pouch cell still display stable cycling. This research gives valuable insights into regulating the solvation-desolvation behavior in SPEs and facilitates the development of state-of-the-art Li metal batteries.

关键词： Electric-dipole Ion-dipole Residual Solvent Solid-state Lithium Metal Batteries Solvation-desolvation Behavior

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