Projekte AG Lüssem
Neuromorphic Devices
The slowdown of Moore’s law and the end of Dennard scaling have prompted researchers to look for alternative computer architectures that could surpass these paradigms. In recent years, this search has become more urgent thanks to the increasing amount of data generated by the popularization of Artificial Intelligence (AI) tools and Internet of Things (IoT), demanding more efficient ways to store, sort and classify data. Inspired by the human brain, neuromorphic computing emerges as a solution for these tasks, as it seeks to process high amounts of data with low power consumption while also providing parallel computing capabilities, learning capacity and absence of von Neumann bottleneck.
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Wearable Organic Electronics
Wearable devices are already well known in form of e.g. smart watches, monitoring steps per day, heart rate and even monitor sleep quality. Traditional silicon-based electronics have driven decades of innovation, everything from smartphones to satellites. However, silicon comes with a fundamental limitation: rigidity. Even when made as thin as possible, silicon chips remain brittle, limiting their application for the dynamic surfaces of our bodies. In contrast, organic electronic materials can offer an alternative. They are lightweight, mechanically flexible, and even stretchable, opening the door to devices that integrate naturally with clothing, skin, and movement.
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Paper-based OECTs and Circular Devices
In last decade the chronic diseases have significantly increased while contributing to 75% of deaths globally. Conditions such as diabetes, blood pressure and dehydration have increased and it is essential to monitor these conditions and have a diagnostic plan. Among emerging technologies, the organic electrochemical transistors (OECTs) stand out as a potential candidate for biomedical sensing due to their high signal amplification and low operating voltages. OECTs are a three terminal device (Source, Drain and Gate) where the organic semiconducting material poly(3,4-ethylenedioxythiophene) polystyrene sulfonate (PEDOT: PSS) can be used as a channel.
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Studierenden fokussierte Lehre
Neben den Forschungsaktivit?ten ist die AG Lüssem aktiv in der Weiterentwicklung der Lehre für Elektrotechnik. Unser Ziel ist es ein Lernangebot zu erm?glichen, bei dem die Studierenden der Fokus sind. Mit neuen Konzepten wie dem ”inverted Classroom” im Modul ”Elektrische Messtechnik” m?chten wir die Kompetenzentwicklung aller Studierenden f?rdern und 澳门皇冠_皇冠足球比分-劲爆体育 Interesse an den Inhalten wecken. Statt 90 Minuten sitzen und zuh?ren, wird in der Vorlesung selbst experimentiert, Schaltkreise simuliert und Problemstellungen gemeinsam gel?st. Die Konzepte der Elektrotechnik werden eigenst?ndig von den Studierenden in der ”Vorlesung” erarbeitet. Natürlich stehen immer Lehrende mit Rat und Tat zur Seite, sollten Fragen aufkommen. Durch die N?he zu den Studierenden und die offene Lernumgebung wird uns erm?glicht, ganz individuell Fragen zu beantworten und Hilfestellungen zu geben. Wir m?chten eine pers?nliche und wertsch?tzende Lernumgebung für alle Studierenden der Elektrotechnik schaffen.
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Neural probes with integrated vertical organic electrochemical transistors (vOECTs)
Understanding the working mechanisms in the human brain is a key factor for development of medical implants for treating various diseases. For monitoring brain activity, neural probes are used to record signals from single to multiple neurons. The challenge here is to record these very small signals in the ?V range with a high signal-to-noise ratio over a long period, in particular for chronically implanted microelectrodes.
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