Absolute Measurements of Photoluminescence Quantum Yields of Solutions Using an Integrating Sphere
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- Porrès, L., Holland, A., Pålsson, LO. et al. J Fluoresc (2006) 16: 267. doi:10.1007/s10895-005-0054-8
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We demonstrate that absolute measurements of the photoluminescence quantum yield of solutions can be made using an integrating sphere and a conventional fluorimeter. With this method the need for measurements against a luminescence standard is overcome. The sphere is mounted inside a commercial fluorimeter, which gives flexibility in excitation and emission wavelength ranges. A number of compounds have been investigated and the results are compared to literature values and data obtained using a comparative method.