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Advanced polymer materials-based electronic skins for tactile and non-contact sensing applications

InfoMat 2023年第7期5卷 1-42页

作者： Feifei Yin Hongsen Niu Eun-Seong Kim Young Kee Shin Yang Li Nam-Young Kim Department of Electronics Engineering Kwangwoon UniversitySeoulRepublic of Korea Department of Molecular Medicine and Biopharmaceutical Sciences Seoul National UniversitySeoulRepublic of Korea School of Information Science and Engineering University of JinanJinanthe People's Republic of China

recently,polymer materials have been at the forefront of other materials in building high-performance flexible electronic skin(e-skin)devices due to con-spicuous advantages including excellent mechanical flexibility,good compatibil-ity,and high ***,most research works just paid considerable attention and effort to the design,construction,and possible application of e-skins that reproduce the tactile perception of the human skin sensory *** with tactile sensing devices,e-skins that aim to imitate the non-contact sensing features in the sensory system of human skin tend to avoid undesired issues such as bacteria spreading and mechanical *** further promote the development of e-skins to the human skin sensory system where tactile perception and non-contact sensing complement each other,significant progress and advances have been achieved in the field of polymer materials enabled e-skins for both tactile perception and non-contact sensing *** this review,the latest progress in polymer material-based e-skins with regard to tactile,non-contact sensing capabilities and their practical applications are *** fabrication strategies of polymer materials and their role in building high-performance e-skins for tactile and non-contact sensing are ***,we also review the research works that integrated the polymer-based tactile and non-contact e-skins into robots and prostheses,smart gloves,and Vr/Ar devices and addressed some representative problems to dem-onstrate their suitability in practical applications in human–machine ***,the current challenges in the construction of high-performance tactile and non-contact e-skins are highlighted and promising properties in this direction,by taking advantage of the polymer materials,are outlined.

关键词： electronic skins human-machine interaction non-contact sensing polymer materials tactile sensing

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Advances in flexible sensors for intelligent perception system enhanced by artificial intelligence

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InfoMat 2023年第5期5卷 55-110页

作者： Hongsen Niu Feifei Yin Eun-Seong Kim Wenxiao Wang Do-Young Yoon Cong Wang Junge Liang Yang Li Nam-Young Kim rFIC Centre Kwangwoon UniversitySeoulRepublic of Korea Department of Electronics Engineering Kwangwoon UniversitySeoulRepublic of Korea NDAC Centre Kwangwoon UniversitySeoulRepublic of Korea Department of Chemical Engineering Kwangwoon UniversitySeoulRepublic of Korea School of Electronics and Information Engineering Harbin Institute of TechnologyHarbinthe People's Republic of China Department of Electronic Engineering Jiangnan UniversityWuxithe People's Republic of China School of Information Science and Engineering University of JinanJinanthe People's Republic of China

Intelligent perception means that with the assistance of artificial intelligence(AI)-motivated brain,flexible sensors achieve the ability of memory,learning,judgment,and reasoning about external information like the human *** to the superiority of machine learning(ML)algorithms in data processing and intelligent recognition,intelligent perception systems possess the ability to match or even surpass human perception ***,the built-in flexible sensors in these systems need to work on dynamic and irregular surfaces,inevitably affecting the precision and fidelity of the acquired *** recent years,the strategy of introducing the developed functional materials and innovative structures into flexible sensors has made some progress toward the above challenges,and with the blessing of ML algorithms,accurate perception and reasoning in various scenarios have been ***,the most representative functional materials and innovative structures for constructing flexible sensors are comprehensively reviewed,the research progress of intelligent perception systems based on flexible sensors and ML algorithms is further summarized,and the intersection of the two is expected to unlock new opportunities for next-stage AI development.

关键词： flexible sensor intelligent perception artificial intelligence machine learning

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Progress in organic semiconducting materials with high thermal stability for organic light-emitting devices

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InfoMat 2021年第1期3卷 61-81页

作者： Sooyong Lee Hwajeong Kim Youngkyoo Kim Organic Nanoelectronics Laboratory and KNU Institute for Nanophotonics Applications(KINPA) Department of Chemical EngineeringSchool of Applied Chemical EngineeringKyungpook National UniversityDaeguRepublic of Korea research Institute of Environmental Science&Technology Kyungpook National UniversityDaeguRepublic of Korea

Organic light-emitting devices(OLEDs)have been extensively studied over the past three decades and are still attracting attention owing to their potential use in flexible and foldable *** achieve highly durable OLED displays for flexible devices,constitutive OLED materials need to be stable in various environments,including those with thermally and mechanically severe *** this end,the present review aims to investigate the progress of OLED material research over the past two decades with respect to thermal *** literature survey is first conducted using the keyword“OLEDs”and then narrowed down to“high thermal stability materials for OLEDs.”The number of search results indicates that creating OLED materials with high thermal stability is a widely studied topic in the field of OLED research and has undergone an average growth rate of approximately 15%per year over the past two *** this review,the OLED materials used as core layers(ie,the hole injection and transport layers,emission layers,and electron injection and transport layers)are thoroughly analyzed,and the best representative materials are discussed in detail by summarizing their major thermal and electronic ***,several previous reports on flexible and foldable OLED displays are analyzed to determine the importance of the stability of their constitutive materials.

关键词： durability flexible foldable glass transition temperature OLED thermal stability

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Ultrasound activatable antiangiogenic sonosensitizer for VEGFr associated glioblastoma tumor models

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Aggregate 2021年第4期2卷 137-143页

作者： Subin Son Chuangli Zhang Miae Won Paramesh Jangili Minhyeok Choi Jiasheng Wu Jong Seung Kim Department of Chemistry Korea UniversitySeoulKorea Key Laboratory of Photochemical Conversion and Optoelectronic Technical Institute of Physics and ChemistryChinese Academy of SciencesBeijingChina

Angiogenic signaling pathway is a major contributing factor in cancer recurrence and progression,which can cause significantly reduced treatment outcomes,especially in the oxygen-dependent photo-and sonodynamic *** and its receptor(VEGFr)play a crucial role in angiogenesis progression;precisely,upregulated VEGF signaling ismainly associated with angiogenesis progression in many types of ***,we report a sunitinib-conjugated sonosensitizer(TK-rB:tyrosine kinase-rose bengal)to enhance the anticancer efficacy through VEGF inhibitionmediated antiangiogenesis in conjunction with cellular/tumor damage by rOS generated under ultrasound ***-rB reveals good selectivity and cytotoxicity toward VEGFr-positive cells(U87MG)over VEGFr-negative cells(MCF-7).The fluorescent imaging analysis in vivo/ex vivo and the tumor growth investigation in nude mice with U87MG glioblastoma tumor xenografts demonstrate that rose bengal having tyrosine kinase inhibitor(TK-rB)provides an enhanced antitumor *** current strategy will make a great contribution to optimizing anticancer performance by utilizing sonodynamic therapy together with antiangiogenics in several different malignancies.

关键词： antiangiogenesis glioblastoma sonodynamic therapy VEGFr blockage

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