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Functional Metal–Organic Frameworks for Maximizing Transconductance of Organic Photoelectrochemical Transistor at Zero Gate Bias and Biological Interfacing Application

机译:Functional Metal–Organic Frameworks for Maximizing Transconductance of Organic Photoelectrochemical Transistor at Zero Gate Bias and Biological Interfacing Application

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摘要

Organic electrochemical transistors showing maximum transconductance(g_m) at zero gate bias (V_G) is desired but has long been a challenge. To date,few solutions to this issue are available. Light-matter interplay is shownas rich sources for optogenetics, photodynamic therapy, and advancedelectronics, but its potential in gm modulation are largely untapped.Herein, the challenge is addressed by unique light-matter interplay inthe newly emerged technique of organic photoelectrochemical transistor(OPECT), which is exemplified by dual-ligand photosensitive metal–organicframeworks (DL-PS-MOFs)/TiO_2 nanorods (NRs) gated poly(ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS) OPECT under 425 nmlight irradiation. Interestingly, the light stimulation on the DL-PS-MOFscan de-dope PEDOT:PSS with altered transistor physics, achieving deviceshowing maximum gm at zero V_G and the simultaneous superior outputof channel current. In connection to a cascade catalytic hairpin assemblyrollingcircle amplification strategy, such a device is then biologicallyinterfaced with a miRNA-triggered growth of DNA spheres for the sensitivedetection of miRNA-21 down to 0.12 fm. This work features a proofof-concept study using light-matter interplay to enable organic transistorsshowing maximum g_m at zero V_G and its sensitive biological interfacingapplication.

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  • 来源
    《Advanced functional materials》 |2023年第22期|2300580.1-2300580.8|共8页
  • 作者单位

    State Key Laboratory of Analytical Chemistry for Life ScienceSchool of Chemistry and Chemical EngineeringNanjing UniversityNanjing 210023, China,School of Chemistry and Chemical EngineeringYangzhou UniversityYangzhou 225002, China;

    State Key Laboratory of Analytical Chemistry for Life ScienceSchool of Chemistry and Chemical EngineeringNanjing UniversityNanjing 210023, China;

    School of Chemistry and Chemical EngineeringYangzhou UniversityYangzhou 225002, ChinaState Key Laboratory of Analytical Chemistry for Life ScienceSchool of Chemistry and Chemical EngineeringNanjing UniversityNanjing 210023, China,School of Materials Science and EngineeringYancheng Institute of TechnologyYancheng 224051, ChinaShandong Key Laboratory of Biochemical AnalysisCollege of Chemistry and Molecular EngineeringQingdao University of Science and TechnologyQingdao 266042, ChinaShenzhen Key Laboratory of Special Functional Materials & GuangdongResearch Center for Interfacial Engineering of Functional MaterialsCollege of Materials Science and EngineeringShenzhen UniversityShenzhen 518060, ChinaSchool of Environment and Energy, State Key Laboratory of LuminescentMaterials and DevicesGuangdong Provincial Key Laboratory of Atmospheric Environmentand Pollution ControlSouth China University of TechnologyGuangzhou 510006, China;

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  • 原文格式 PDF
  • 正文语种 英语
  • 中图分类
  • 关键词

    biological interfaces; dual-ligand metal–organic frameworks; light-matter interplays; organic photoelectrochemical transistors; transconductance;

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