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Proton-Coupled Electron Transfer (PCET); Spectral and Kinetic Transient Absorption Analysis of Acridine Orange with Tri-Tert-Butylphenol

Understanding fundamental photo-induced proton-coupled electron transfer (PCET) reactions of small molecules is central to research ranging from solar fuels, biological signalling, and organic electronics. By combining spectral and kinetic information of the photo-generated excited states and radical species present, researchers are able to elucidate the PCET reaction mechanisms involved in these applications. The Edinburgh Instruments LP Transient Absorption Spectrometer is the world’s only commercial system capable of recording instantaneous spectral information utilising an ICCD camera, while then easily being able to switch to measuring kinetic data on a PMT detector – all under software control. It was used to carry out the research in this application note.

Photogenerated Excited States in Solubillized Single-Wall Carbon Nanotubes; Transient Absorption and Oxygen Dependence of the Triplet

Single-walled carbon nanotubes (SWCNT) feature immense tensile and thermal strength with advantageous 1-dimensional molecular wire electronic properties. The Edinburgh Instruments LP980 Transient Absorption Spectrometer is well suited to study these photo-generated excited states, especially with the capability to add near-infrared (NIR) detectors needed to capture the transient species in these materials.

Application Note: Determination of Chromaticity Coordinates and Bandgaps of III-V LEDs Using Electroluminescence Spectroscopy

Modern LEDs are efficient, bright and reliable and are one of the most versatile and widely used light sources with an ever increasing number of applications. In this application note the FS5 Spectrofluorometer, equipped with the electroluminescence accessory, is used to investigate the emission properties of four type III-V LEDs and determine their bandgaps and chromaticity coordinates.
FS5 FLS1000

Application Note: Time-Resolved Electroluminescence Spectroscopy of a White Light Emitting Diode

One of the most powerful techniques to understand the behaviour and performance of electrical devices is electroluminescence spectroscopy. In this application note the FLS1000 Photoluminescence Spectrometer is used to investigate the emission properties of a phosphor coated indium gallium nitride white light LED using both steady state and time-resolved electroluminescence spectroscopy.
FS5 FLS1000