TWO-DIMENSIONAL LASER INDUCED FLUORESCENCE SPECTROSCOPY OF MGOMG
Bresler, Sean Michael
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https://hdl.handle.net/2142/104511
Description
Title
TWO-DIMENSIONAL LASER INDUCED FLUORESCENCE SPECTROSCOPY OF MGOMG
Author(s)
Bresler, Sean Michael
Contributor(s)
Heaven, Michael ; Schmitz, Joel R
Issue Date
2019-06-19
Keyword(s)
Instrument/Technique Demonstration
Abstract
Two-dimensional laser induced fluorescence spectroscopy is typically implemented using a monochromator equipped with an array detector to record segments of the dispersed fluorescence spectra for each laser excitation wavelength. When pulsed laser excitation is used the capabilities of this system for disentangling complex spectra can be further enhanced by time-gating the array detector. In the present work we are using an Intensified Charge-coupled Device (iCCD) that provides nanosecond time resolution and detection sensitivities that are comparable to photomultiplier tubes. We describe the marriage of a refurbished monochromator, an iCCD, and an Arduino microcontroller to collect temporally and spatially resolved emission spectra of transient small molecules. Recent data for the electronic transitions of the hypermetallic oxide MgOMg will be presented.
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