Abstract
An optofluidic planar microreactor has been fabricated, with the photocatalyst (IrO2/TiO2) film coated glass as a reactor plate and plain glass as a cover plate. A rectangular region was completely etched on plain glass and used as a spacer between reaction and cover plates to create a planar microreaction compartment. The water splitting activity to produce oxygen using sodium iodate as a sacrificial agent (electron acceptor) was tested in the fabricated planar microreactor under visible light illumination (with 400 W metal halide lamp). The effect of catalyst coating thickness and the reactant flowrate on the rate of oxygen production was studied in detail. An oxygen evolution rate of 3.99 mmol h−1 g−1 (1.84 μmol h−1 cm−2) was observed from the IrO2/TiO2 film of 3078 ± 362 nm thickness at an optimal flow rate of 0.3 mL min−1 in the presence of visible light. The stability study showed that the IrO2/TiO2 film was stable for at least 4 cycles, indicating the superior activity of the film firmly adhered to the glass substrate.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
