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Fluorescence lifetime measurement

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Fluorescence lifetime measurement

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By measuring the fluorescence lifetime of a substance, we can grasp the luminescent transient phenomena more dynamically.

One of the processes that occurs when light is irradiated onto a material and the excited electrons return to the ground state is called photoluminescence. Among these, the method of instantaneously exciting a material using a pulsed laser and measuring the decay time of the emitted light is referred to as time-resolved photoluminescence, and by analyzing the obtained spectrum, the fluorescence lifetime can be calculated. By measuring the fluorescence lifetime of a material, the emission transient phenomena can be understood more dynamically. For this reason, fluorescence lifetime measurement is one of the effective means in the physical property research of organic materials such as organic EL materials, solar cells, photocatalysts, and biochemistry. This device enables the measurement of time-resolved photoluminescence (PL) spectra on nanosecond and microsecond scales, as well as fluorescence lifetime measurement, by combining a picosecond laser with a spectrometer and a streak camera.

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Measurement of fluorescence lifetime, time-resolved fluorescence, and phosphorescence spectrum evaluation of luminescent materials such as organic EL materials, fluorescent materials, proteins, and perovskite materials.

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