Messung absoluter Quantenausbeuten von Quantenwandlern / Absolute Quantum Yield Measurement for Quantum Counters

Abstract

The absolute quantum yield of different fluorescing dyes has been measured in the solid micro crystalline phase, with a view towards finding dyes which exhibit a constant quantum yield in the visible spectrum. Some suitable dyes have been found and these can now be used as quantum counters for the absolute measurement of photon flux, such as in photochemical experiments. The specific characteristic of the dye responsible for this effect appears to be connected with the action of hydrogen bonds as energy transfer agents.