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Characterization of the electrical and optical properties of viologen devices using chlorophyll a as an electron excimer

机译:使用叶绿素a作为电子受激准分子表征紫精装置的电学和光学性质

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This paper uses self-assembled monolayers (SAMs) on an Au(III) substrate to detect the unique characteristics of viologen molecules using scanning tunneling microscopy (STM), and reports the orientation and surface changes of molecules at the nanolevel in real-time. In particular, the rectification characteristics of the viologen molecule were observed at the molecular level using scanning tunneling spectroscopy (STS). After verifying the rectification characteristics of viologen molecules, an experiment was carried out to demonstrate the possibility of applying viologen to photodiodes and switching devices by forming a thin film of chlorophyll a on the viologen SAMs using the Langmuir-Blodgett (LB) method. This material mimics the photoinduced electron transport phenomenon in the early stage of photosynthesis in living plants. This study demonstrates the applicability of viologen to bioelectronic photodiodes and switching devices based on photo effects by observing the topography, current sensing, and current-voltage (I-V) characteristics using current-sensing atomic force microscopy (CS-AFM) by introducing light to the AFM-tip/chlorophyll a/vioiogen/ Au(111) substrate structure.
机译:本文在Au(III)衬底上使用自组装单分子膜(SAMs),通过扫描隧道显微镜(STM)检测紫精分子的独特特征,并实时报告纳米级分子的方向和表面变化。特别地,使用扫描隧道光谱法(STS)在分子水平上观察紫精分子的整流特性。在验证了紫精分子的整流特性之后,进行了一项实验,以证明通过使用Langmuir-Blodgett(LB)方法在紫精SAM上形成叶绿素a薄膜,可以将紫精应用于光电二极管和开关器件。该材料模仿了植物体内光合作用初期的光诱导电子传输现象。这项研究通过使用电流感应原子力显微镜(CS-AFM)观察地形,电流感应和电流-电压(IV)特性,通过光效应来证明紫精在基于光效应的生物电子光电二极管和开关设备中的适用性。 AFM-tip /叶绿素a /紫罗兰色原/ Au(111)底物结构。

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