One-pot solvothermal preparation and enhanced photocatalytic activity of metallic silver and graphene co-doped BiVO4 ternary systems

Facile Synthesis of Magnetic Photocatalyst Ag/BiVO4/Mn1−xZnxFe2O4 and Its Highly Visible-Light-Driven Photocatalytic Activity

“…Experiment results exhibited excellent photocatalytic stability. What is more, 94.0% of the degradation rate during the five cycles was very larger than that of the reference report [13]. So, magnetic photocatalyst Ag/BiVO 4 /Mn 1−x Zn x Fe 2 O 4 possessed promising prospect in the photo-decomposition organic dyes (industrial wastewater) field.…”

“…Meanwhile, doping noble metal in photocatalysts is an effective way of promoting the efficient separation of photo-generated electrons and holes. Researchers have reported that the electron–hole separation in doping compounds was strengthened by the charge transfer between semiconductor and noble metal [13,14,15,16,17]. Ag is the most promising noble metal because of the low cost and strong electron trapping ability.…”

Electrospun BiOCl/Bi2Ti2O7 Nanorod Heterostructures with Enhanced Solar Light Efficiency in the Photocatalytic Degradation of Tetracycline Hydrochloride

“…As observed in Figure A, the binding energies at positions around 159.3 and 164.6 eV can be attributed to Bi 4f 7/2 and Bi 4f 5/2 , respectively. The two peaks with a typical Bi 4f spin‐orbit splitting of 5.3 eV is characteristic of Bi 3+ . With the increase in the calcination temperature, these peaks of Bi 4f clearly shift toward the low band energy, which is plausibly caused by the Bi‐O‐Cl system transforming to the Bi‐O‐Ti system.…”

Enhancing Hematite Photoanode Activity for Water Oxidation by Incorporation of Reduced Graphene Oxide

“…For hematite a = 810 4 cm À1 at 550 nm, the photoelectrodes must then be 0.4 mmi no rder to absorb 95 %o f light at this wavelength. [6][7][8][9][10][11] Hybridn anomaterials based on TiO 2, [12] ZnO, [13] SnO 2, [14] Co 3 O 4, [15] MnO 2, [16] CdS, [17] CdSe, [18] BiVO 4 [19] ,F e 2 O 3, [20] and graphene have been investigated in many applications due to the synergistic effect between them.R ecently,o ur group has reported ap erformance improvement of reduced graphene oxide incorporated with semiconductors for photoreduction of CO 2 ,m ethylene blue photodegradation and as electron transport layer in organic solar cells. Due to these limitations, the maximum efficiency achieved in aP EC system using this semiconductor is stillf ar from the theoretical limit.…”

“…Thus, graphene is ap romising component to be incorporated in materials used as electrodes to increase their efficiency.R ecently,s everal research groupsh ave been exploring the use of graphenebased nanomaterialst or eplace conventional materials. [6][7][8][9][10][11] Hybridn anomaterials based on TiO 2, [12] ZnO, [13] SnO 2, [14] Co 3 O 4, [15] MnO 2, [16] CdS, [17] CdSe, [18] BiVO 4 [19] ,F e 2 O 3, [20] and graphene have been investigated in many applications due to the synergistic effect between them.R ecently,o ur group has reported ap erformance improvement of reduced graphene oxide incorporated with semiconductors for photoreduction of CO 2 ,m ethylene blue photodegradation and as electron transport layer in organic solar cells. [21][22][23] This work describes the synthesis and characterization of hematite photoanodes using nanoparticles synthesized under hydrothermal conditions and deposited on ac onductive glass substrate by the doctor-blade technique.…”