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Calibrated integrating sphere

Manufactured by Edinburgh Instruments
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The Calibrated Integrating Sphere is a device used for the accurate measurement of optical power and radiant flux. It functions by capturing and uniformly distributing the light incident on its internal surface, allowing for precise and consistent measurements of the total optical power emitted by a source.

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Lab products found in correlation

Flsp920 spectrometer, by Edinburgh Instruments (2 mentions) Flsp920 spectrophotometer, by Edinburgh Instruments (1 mentions)

3 protocols using calibrated integrating sphere

1

Fluorescence Quantum Yield Measurement

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Fluorescence quantum yields of the samples were measured using a calibrated integrating sphere (150 mm inner diameter) from Edinburgh Instruments combined with the FLSP920 spectrophotometer described above. For solution‐state measurements, the longest wavelength absorption maximum of the compound in the respective solvent was chosen for the excitation. In order to exclude self‐absorption, the emission spectra were measured with dilute samples (ca. 0.1 OD at the excitation wavelength).
Merz J., Dietz M., Vonhausen Y., Wöber F., Friedrich A., Sieh D., Krummenacher I., Braunschweig H., Moos M., Holzapfel M., Lambert C, & Marder T.B. (2019). Synthesis, Photophysical and Electronic Properties of New Red‐to‐NIR Emitting Donor–Acceptor Pyrene Derivatives. Chemistry (Weinheim an Der Bergstrasse, Germany), 26(2), 438-453.
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2

Fluorescence Quantum Yield Measurement

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The fluorescence quantum yields were measured using a calibrated integrating sphere (150 mm inner diameter) from Edinburgh Instruments combined with the above FLSP920 spectrometer. The longest‐wavelength absorption maximum was chosen as the excitation wavelength, unless otherwise stated. The corresponding blank solvent was used as a reference for solution‐phase measurements and BaSO4 was used as reference for solid state measurements.
Kole G.K., Merz J., Amar A., Fontaine B., Boucekkine A., Nitsch J., Lorenzen S., Friedrich A., Krummenacher I., Košćak M., Braunschweig H., Piantanida I., Halet J., Müller‐Buschbaum K, & Marder T.B. (2021). 2‐ and 2,7‐Substituted para‐N‐Methylpyridinium Pyrenes: Syntheses, Molecular and Electronic Structures, Photophysical, Electrochemical, and Spectroelectrochemical Properties and Binding to Double‐Stranded (ds) DNA. Chemistry (Weinheim an Der Bergstrasse, Germany), 27(8), 2837-2853.
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3

Fluorescence Quantum Yield Measurement

Check if the same lab product or an alternative is used in the 5 most similar protocols
Fluorescence quantum yields of the samples were measured using a calibrated integrating sphere (150 mm inner diameter) from Edinburgh Instruments combined with the FLSP920 spectrometer described above. For solution-state measurements, the longest wavelength absorption maximum of the compound in the respective solvent was chosen for the excitation. In order to avoid self-absorption, the emission spectra were measured with dilute samples (ca. 0.1 OD at the excitation wavelength).
Merz J., Steffen A., Nitsch J., Fink J., Schürger C.B., Friedrich A., Krummenacher I., Braunschweig H., Moos M., Mims D., Lambert C, & Marder T.B. (2019). Synthesis, photophysical and electronic properties of tetra-donor- or acceptor-substituted ortho-perylenes displaying four reversible oxidations or reductions †Electronic supplementary information (ESI) available. CCDC 1881912. For ESI and crystallographic data in CIF or other electronic format see DOI: 10.1039/c9sc02420d. Chemical Science, 10(32), 7516-7534.
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