Fig. 1: Batch and flow reactor results.
a, b The CO production rates and associated activation energies and photon to yield quantum efficiencies for the batch reactor and flow reactor configurations, respectively. (a) Shows the CO rates for the coated cylindrical rod waveguide and coated planar substrate at 100 and 150 °C. The coated planar CO rates at 150 °C showed semi-saturation trends at increasing photo-intensities, while the coated rod showed a linear increase. Insets of (a) shows the photon to yield efficiencies of the coated planar and rod geometries at 150 °C batch reactor temperature with increasing photo-intensities, indicating that the coated rod waveguide has a more consistent efficiency of 0.8–0.9%. b The CO rates for the coated rod waveguide at 100, 150, and 200 °C flow reactor temperatures. Inset to (b) shows that the coated waveguide rods in the flow reactor have consistent photon to yield efficiencies with increasing photo-intensities. c Coating procedure of the quartz rod using a thin film colloidal solution of In2O3−x(OH)y nanorods. d, e The SEM topographic and cross-sectional view of the nanorod coating.
