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- DOI zum Zitieren dieses Dokuments:
- 10.5283/epub.19957
Alternative Links zum Volltext:DOI
Zusammenfassung
We demonstrate a novel optical sensor for carbon dioxide in concern rations between 0 and 3% The sensing scheme is based on the optical interrogation of a 12-mu m polystyrene (PS) film containing upconverting nanoparticles (UCNPs, 40-100 nm in size) of the type NaYF4 Yb,Er, and the longwave absorption pH probe bromothymol blue (BTB) in its anionic (blue) form PS is chosen as a matrix because it ...
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