Non-precious molybdenum nanospheres as a novel cocatalyst for full-spectrum-driven photocatalytic CO2 reforming to CH4

Infrared response in photocatalytic polymeric carbon nitride for water splitting via an upconversion mechanism

“…Under the AM1.5 G irradiation, the H 2 generation rate of MCN1-4 is 25.84 mmol h −1 g −1 , which is four times higher than that of TiO 2 (P25), becoming the first carbon nitride material to surpass P25 and also becomes the full spectrum response carbon nitride without hybridization (Fig. 4h) 27 . Supplementary Fig.…”

Engineering approach toward catalyst design for solar photocatalytic CO 2 reduction: A critical review

“…It turns out that Ag nanoparticles not only hinder the recombination of electrons and holes, but also serve as the active sites for converting CO 2 to methanol with the highest productivity of 365.08 μmol h −1 g −1 . In addition, Zeng et al 58 reported non‐precious molybdenum nanospheres as a new co‐catalyst with g‐C 3 N 4 achieving full‐spectrum‐driven conversion of CO 2 to CH 4 , simultaneously, improving the photocatalytic efficiency. Figure 3 schematically illustrates the detailed process and potential mechanism of photocatalytic CO 2 reduction and Mo/g‐C 3 N 4 exhibits higher CO 2 adsorption and stronger photocurrent response than pure g‐C 3 N 4 , indicating the rapid electron transfer from g‐C 3 N 4 to Mo nanospheres, thus favoring the enhancement of photocatalytic activity.…”

“…C, Transient photocurrent responses. Reproduced with permission 58 . Copyright 2020, Elsevier [Colour figure can be viewed at wileyonlinelibrary.com]…”

“…For example, TiO 2 has been considered as one of the most popular semiconductors applied to photocatalysis with prestigious advantages, including easy availability, low toxicity, outstanding chemical stability, and unique optical and electronic properties, and a recently published review on TiO 2 ‐based photocatalysts for CO 2 reduction is available 54 . Nevertheless, because of inefficient solar energy utilization substantiated by the wide bandgap, researchers have employed various methods to improve the activity of such photocatalysts, including metal or non‐metal doping, 40,41,55‐61 alloying, 42,51‐53 facet engineering, 62‐65 nanostructure tailoring, 13,40,46,66,67 surface defect engineering, 43,68,69 and p‐n heterojunction or Z‐scheme system constructing 44,45,47‐50,70‐74 . In general, these methods all aim at either improving the separation efficiency of photogenerated electron/hole pairs, namely prolonging the lifespan of electrons for CO 2 reduction, or creating more catalytically active sites.…”

Antibiofouling Thin‐Film Nanocomposite Membranes for Sustainable Water Purification

“…Metal oxide nanoparticles (MeO NPs) are another type of nanoparticles that have received growing attention owing to their potential in several technological applications. [111][112][113][114] Metal elements can form a diverse range of oxide compounds such as nanowires, nanotubes, and nanospheres. The nanostructures formed by the MeO NPs provide an alternative strategy for effectively dealing with bacteria.…”