Category

Spectroscopy methods and lasers; Materials characterization 

Manufacturer and Model

Edinburgh Instruments - FLS1000-DD-stm

Specifications

Excitation source: Ozone generating 450 W continuous xenon lamp with spectral range 200 nm - >1000 nm

Monochomator: Double excitation and double emission monochromator, focal length 2 x 325 mm, Slits: 0 mm - 11 mm, fully computer-controlled, bandpass is grating dependent. Accuracy +/- 0.2 nm, resolution 0.05 nm, minimum step size - 0.01 nm.

Detectors: Photomultipliers (Gated Cooled Red PMT or High Speed Red Detector) with a spectral coverage from approx. 200 nm to ~870 nm.

Optics: lens or mirror optics, according to the needed application and type of sample

Integrating sphere: 120 mm diameter.

Applications and capabilities

Emission spectra measurements

Emission spectra measurements of solid, liquid, powder, thin film samples in 200 nm - 870 nm range at room temperature.

Excitation measurements

Luminescence excitation spectra measurements of solid, liquid, powder, thin film samples in 200 nm -870 nm range at room temperature.

Quantum yield, absorpance and reflectance measurements

Measurements at  room temperature of solid, liquid, powder, thin film samples, using integrating sphere (120 mm diameter):
Photoluminescence quantum yield (direct and indirect measurements): 250 nm-870 nm,
Absorptance and reflectance measurements : 200 nm -870 nm range.