Beilstein J. Nanotechnol.2023,14, 762–780, doi:10.3762/bjnano.14.63
]. When exposed to artificialsunlight, ceria nanoparticles produced hydroxy radicals and induced lipid peroxidation of the gills of cardinal tetra, a native species of the Rio Negro region [45]. The citric acid coating can also be altered by UV irradiation. Photolysis of citric acid under a Hg lamp
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Figure 1:
Nanoceria particles in citric acid (left column) or DI water (right column). The vials on the left ...
Beilstein J. Nanotechnol.2014,5, 566–576, doi:10.3762/bjnano.5.67
photocatalyst by using artificialsunlight (Xe lamp with/without an Air Mass 1.5 Global Filter at 1.6/18.5 mW·cm−2) and ultraviolet light (Mercury Arc lamp with different filters in the range of 0.1–0.8 mW·cm−2). This is the first report of using artificialsunlight to drive the photo-epoxidation of propylene
. Over V-Ti/MCM-41 photocatalyst, the propylene oxide (PO) formation rate is 193.0 and 112.1 µmol·gcat−1·h−1 with a PO selectivity of 35.0 and 53.7% under UV light and artificialsunlight, respectively. A normalized light utilization (NLU) index is defined and found to correlate well with the rate of
tested in this study.
Keywords: artificialsunlight; light irradiation effects; photo-epoxidation; ultraviolet (UV) light; V-Ti/MCM-41 photocatalyst; Introduction
It is agreed that light, especially its wavelength spectrum and intensity, is a crucial factor for efficient photocatalysis. A
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Figure 1:
The spectrum of: (a) UV–vis absorption of V-Ti/MCM-41, and emission of (b) 200 W mercury arc lamp, ...