Application Notes Archives | Edinburgh Instruments

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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

Application Note: Observing Phase Transitions in a Halide Perovskite Using Temperature Dependent Photoluminescence Spectroscopy

Perovskite photovoltaic cells are exposed to a wide range of temperatures and it is therefore important to understand the influence of temperature on the properties of the perovskite. In this application note, the FLS1000 spectrometer equipped with the liquid nitrogen cryostat accessory is used to determine the phase transition temperatures of MAPI perovskite.
FLS1000 FS5

Application Note: Measuring Charge Carrier Lifetime in Halide Perovskite Using Time-Resolved Photoluminescence Spectroscopy

Halide perovskite photovoltaic cells have attracted tremendous attention over recent years due to the rapid rise achieved in solar cell efficiencies. In this application note time-resolved photoluminescence spectroscopy is shown to be a powerful tool for investigating and optimising the behaviour of halide perovskites through the measurement of charge carrier lifetimes.
FLS1000 FS5 Lifespec Mini-tau