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Mussel‐Inspired Immobilization of Catalysts for Microchemical Applications
Author(s) -
Kim Sung Min,
Park Young Ho,
Seo Seung Woo,
Park Chan Pil,
Park Sung Young,
In Insik
Publication year - 2015
Publication title -
advanced materials interfaces
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.671
H-Index - 65
ISSN - 2196-7350
DOI - 10.1002/admi.201500174
Subject(s) - microreactor , photocatalysis , materials science , nanoparticle , catalysis , nanotechnology , chemical engineering , chemistry , organic chemistry , engineering
Immobilization of photocatalytic TiO 2 nanoparticles inside PDMS‐based microreactors was successfully attempted by sequential mussel‐inspired surface engineering of microchannels by using CA‐PVP and commercially available TiO 2 nanoparticles, respectively. TiO 2 ‐immobilized microreactors accomplished continuous photocatalytic degradation of MB for up to 30 days without releasing TiO 2 nanoparticles from the surface of the microchannels, confirming the robustness of TiO 2 ‐immobilization in photocatalysis media. Regeneration of microreactors with diminished photocatalytic activities was also possible with simple strong acid treatment, enabling efficient cleaning of used microreactors.