MCF Summer Seminar

June 28, 2024

2:00 p.m. ET

124 Roberts Hall

Raman spectroscopy for advancing bioelectronics, presented by Daniel Ranke

In the past two decades, applications of bioelectronics including input/output electrical interfaces, biochemical sensors, electrochemical catalysts, and optical interfaces have rapidly developed through the integration of nanomaterials. With these advances, a similarly extensive number of techniques have been applied for their characterization. Raman spectroscopy in particular stands out as one of the most widely applied albeit commonly misunderstood techniques that can simultaneously provide insight into both nanoscale chemical and morphological material structure. This talk will focus on the application of Raman to advance understanding of bioelectronics ranging from transparent spinal cord interfaces to chemical sensors and photovoltaic neural stimulators across carbonaceous, semiconducting, and polymeric material classes. These traditional Raman techniques are also demonstrated alongside nano to microscale 3D scanning, in-situ electrochemical spectroscopy, microstructural analysis, and photocurrent analysis to pose Raman as an all-in-one technique for the rapid development of nanomaterial-enabled bioelectronic technologies.

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