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  • 2013 Conference on Lasers and Electro-Optics - International Quantum Electronics Conference
  • (Optica Publishing Group, 2013),
  • paper CH_6_1

Optically Monitored Catalytic Photonic Crystal Fibre Microreactor

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Abstract

Hollow-core photonic crystal fibre (HC-PCF) offers several advantages for photochemical applications. These include minimal sample consumption (4 nL/cm in the core), very long interaction lengths, almost full overlap between the sample and the light [1-4]. A further advantage for photochemistry is that the easily accessible hollow channels allow surface-functionalization of the inner walls. Here we show that by depositing metallic catalyst nanoparticles in the core of the fibre [3], we can turn the HC-PCF into a catalytically active microreactor. As a proof-of-principle experiment, we investigated the well-known catalytic hydrogenation of azobenzene in a kagomé HC-PCF, whose core wall has been decorated with rhodium (Rh) catalyst nanoparticles (see Fig. 1a). The reaction was monitored online by in-fibre absorption spectroscopy.

© 2013 IEEE

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