New High-Pressure Fiber-Optic Cell for Time-Resolved Emission and Absorbance Measurements in Near- and Supercritical Solvents

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Abstract
A new fiber-optic high-pressure cell for time-resolved absorbance and fluorescence measurements in near- and supercritical solvents is presented. It consists entirely of commercial components, thus facilitating ease of construction and maintenance and facilitating component exchange to incorporate materials that can withstand a broad range of pressures and temperatures. The adaptability of the cell and the applicability of the pressure-sealing technique to a variety of emission and fast kinetic measurements are discussed.