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Understanding the mechanisms of surface‐enhanced Raman scattering (SERS) phenomena is essential for advancing next‐generation Raman‐based chemical and biological sensors. SERS studies typically examine the excitation wavelength dependence for a given nanostructure morphology. However, more comprehension of the SERS mechanisms can be gained by investigating the combined excitation wavelength and metal...
Using a system of multi-zone thermal chemical vapor deposition (CVD) furnaces in parallel and in series, we performed differential preheating of the incoming gases to independently control water vapor formation (from oxygen and hydrogen) and hydrocarbon decomposition to grow vertically aligned multi-wall carbon nanotube (MWCNT) carpets. We identified specific process parameter sweet spots for water...
Microcavity devices exhibiting strong light‐matter coupling in the mid‐infrared spectral range offer the potential to explore exciting open physical questions pertaining to energy transfer between heat and light and can lead to a new generation of efficient wavelength tunable mid‐infrared sources of coherent light based on polariton Bose‐Einstein Condensation. Vibrational transitions of organic molecules,...
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