Theoretical and experimental investigation of visible light responsive AgBiS2-TiO2 heterojunctions for enhanced photocatalytic applications

Impact of Titanium Dioxide (TiO2) Modification on Its Application to Pollution Treatment—A Review

“…Among these conventional heterojunctions, type-II heterojunction attracts the attention of more researchers [135][136][137]. Ganguly et al [138] synthesized type-II heterojunctions of the AgBiS 2 -TiO 2 composite and used doxycycline as the target pollutant to test photocatalytic performance. The results showed that the degradation rate reached 100% in 180 min under a 500 W Xe lamp.…”

Theoretical calculation of a TiO2-based photocatalyst in the field of water splitting: A review

“…In recent years, ternary narrow band gap semiconductors that match the solar spectrum are often selected to increase the absorbance coefficient of TiO 2 to a greater extent. For example, Pillai et al [37] successfully synthesized a new type of heterojunction AgBiS 2 -TiO 2 composite photocatalyst using a solvothermal method. Then, the electronic and optical capabilities of AgBiS 2 and TiO 2 were studied using DFT (Figure 3(e) and (f)).…”

“…In addition to theoretical calculations of the structure of TiO 2 itself and the doped or heterojunction system [32][33][34][35][36][37][38], scholars have also conducted numerous theoretical calculations and experiments to determine the interaction between the TiO 2 surface and water molecules, the migration mechanism of photoproduced electron-hole pairs, recombination of electron-hole pairs and other steps in the process to obtain an understanding of the mechanism and essential laws of photocatalytic water splitting [39][40][41][42][43][44][45][46].…”

“…Calculated electronic structure and PDOS of (e) TiO 2 and (f) AgBiS 2 , and (g) DRS spectra of TiO 2 and AgBiS 2 -TiO 2 composites. (h) The H 2 production rate of the solution at varying weight percentages of AgBiS 2 -TiO 2 catalysts, reprinted with permission from ref [37],. Copyright (2019) Elsevier.…”

Two-dimensional ultrathin MoS2-modified black Ti3+–TiO2 nanotubes for enhanced photocatalytic water splitting hydrogen production

“…Hence, the exploitation of hydrogen has become an important issue. Owing to its simplicity, photocatalytic water splitting hydrogen production has gained immense scientific attention [11][12][13] . Over the past few decades, various materials have been developed for photocatalytic water splitting hydrogen production.…”