Fabrication of robust M/Ag₃PO₄(M = Pt, Pd, Au) Schottky-type heterostructures for improved visible-light photocatalysis

The Multiple Promotion Effects of Ammonium Phosphate-Modified Ag3PO4 on Photocatalytic Performance

“…According to what we have observed and discussed above, the enhanced photocatalytic performance of Ag 3 PO 4 photocatalyst after surface modification can be mainly attributed to the newly formed Ag nanoparticles and the strongly bounded PO 3− 4 groups, rather than the effects of particle size and surface area. Many researchers have reported that the usually formed Ag 0 nanoparticles distributed on the surface of Ag-based photocatalysts can function as electron acceptors to accelerate the charge segregation due to the high Schottky barrier at the interface of metal/semiconductor, inducing efficient interfacial charge transfer (Yan et al, 2014b). It is also indicated that the phosphate modification could promote the transfer of photogenerated holes to the surface of photocatalysts driven by the negative electrostatic field, leading to an improved charge separation (Xie et al, 2015).…”

“…However, the photo-corrosion phenomenon and the low photocatalytic efficiency due to the fast recombination of photogenerated carriers restrict the wide application of Ag 3 PO 4 (Martin et al, 2015). Accordingly, several attempts have been proposed to enhance its photocatalytic activity and improve the photostability with some success, such as morphology and/or size control (Dong et al, 2013(Dong et al, , 2014Krungchanuchat et al, 2017), metal deposition (Liu et al, 2012;Yan et al, 2014b;Lin et al, 2019), coupling with other semiconductors to form Z-scheme heterostructures (Chen et al, 2017;Wang et al, 2017;Zhang et al, 2019).…”

Investigations of Interfacial Electric Field on Reduced‐Graphene‐Oxide‐Supported Molybdenum Oxide @ Silver Phosphate Ternary Hybrid Composite: Highly Efficient Visible‐Light‐Driven Photocatalyst

“…So, there is a possibility of recombination of the electrons‐holes pairs in Ag 3 PO 4 which imparts a detrimental effect on its efficiency and stability. In order to overcome this shortcoming, many strategies have been proposed to improve the photocatalytic activity of Ag 3 PO 4 such as the development of various morphologies,, loading noble metals (Pt, Pd and Au), and forming a heterojunction (integrating or coupling with other semiconductor material) . Among the strategies developed, the coupling of semiconductors with matched maximum VBP and minimum CBP for the construction of heterostructure is believed to be more effective.…”

In-situ synthesis of plasmonic Ag/Ag3PO4 tetrahedron with exposed {111} facets for high visible-light photocatalytic activity and stability

“…It is essential to enhance the stability of Ag 3 PO 4 and remain high photocatalytic activity at the same time. There have been found that metal Ag nanoparticles on the surface of photocatalyst can exhibit higher stability than pure Ag 3 PO 4 [37][38][39][40][41][42][43][44]. Ag decorated Ag 3 PO 4 possesses two prominent features compared with the pure Ag 3 PO 4 , including Schottky junction and localized surface plasmon resonance [45], each improve the property of Ag 3 PO 4 efficiently.…”