Optimal Deposition of a Thin FeOOH Layer on S-TiO2/BiSbS3 p-n Junction for Improved Solar Water Splitting and Mechanistic Insights
Source abstract
Abstract
Hydrogen is gaining significant attention as a clean fuel option due to its high energy density, which can be produced through solar water splitting. In this study, S-TiO2 photocatalyst has been synthesized using the sol-gel method. Analysis revealed that cation substitution S+4 and S+6 of Ti+4 in the TiO2 lattice resulted in the formation of S=O bond and S-Ti-O bond. The S-TiO2 was then coated with BiSbS3 using the chemical bath deposition (CBD) method, followed by the deposition of FeOOH using the similar technique. The resulting photoelectrode, S-TiO2/BiSbS3/FeOOH, exhibited a photocurrent density of 4.36 mA.cm?2 at 1.23 V vs reverse hydrogen electrode and a solar-to-hydrogen efficiency of 1.31% at 0.6 V vs RHE, outperforming other electrodes. The improved photoactivity was attributed to the synergetic effect of heterojunction and cocatalyst loading. This study provides insight into the potential applications of cocatalysts in (photoelectrochemical) PEC water splitting.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Advanced Photocatalysis Techniques · Copper-based nanomaterials and applications · TiO2 Photocatalysis and Solar Cells
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (62)
Show source-provided references
1. The artificial leaf10.1021/ar2003013 ↗
2. Emerging copper-based semiconducting materials for photocathodic applications in solar driven water splitting10.3390/catal12101198 ↗
3. Water splitting catalysis and solar fuel devices: artificial leaves on the move10.1002/anie.201300136 ↗
4. Semiconducting quantum dots for artificial photosynthesis10.1038/s41570-018-0024-8 ↗
5. Emerging materials for plasmon-assisted photoelectrochemical water splitting10.1016/j.jphotochemrev.2021.100472 ↗
6. Plasmonic Au nanoparticle sandwiched CuBi2O4/Sb2S3 photocathode with multi-mediated electron transfer for efficient solar water splitting10.1039/D2SE00600F ↗
7. Electrochemical photolysis of water at a semiconductor electrode10.1038/238037a0 ↗
8. TiO2 photoanodes sensitized with Bi2Se3 nanoflowers for visible–near-infrared photoelectrochemical water splitting10.1021/acsanm.0c03041 ↗
9. g-C3N4-based photocatalysts for hydrogen generation10.1021/jz500546b ↗
10. Decoration of plasmonic Cu nanoparticles on WO3/Bi2S3 QDs heterojunction for enhanced photoelectrochemical water splitting10.1016/j.ijhydene.2019.05.168 ↗
11. Cu2O/ZnO p–n junction decorated with NiOx as a protective layer and cocatalyst for enhanced photoelectrochemical water splitting
12. Efficient solar water splitting using a CdS quantum dot decorated TiO2/Ag2Se photoanode10.1016/j.ijhydene.2021.07.219 ↗
13. CdS-based photocatalysts10.1039/C7EE03640J ↗
14. Heterogeneous photodegradation of pyrimethanil and its commercial formulation with TiO2 immobilized on SiC foams10.1016/j.jphotochem.2018.09.007 ↗
15. A mechanistic study on photocatalysis by thiapyrylium salts. photodegradation of dimethoate, alachlor and pyrimethanil under simulated sunlight10.1016/j.apcatb.2012.04.025 ↗
16. Photodegradation of 4-chlorophenoxyacetic acid under visible LED activated N-doped TiO2 and the mechanism of stepwise rate increment of the reused catalyst10.1016/j.jhazmat.2017.05.056 ↗
17. Density functional theory study and photocatalytic activity of ZnO/N-doped TiO2 heterojunctions10.1021/acs.jpcc.2c00152 ↗
18. Selective photocatalytic oxidation of methane to oxygenates over Cu–W–TiO2 with significant carrier traps10.1021/acscatal.2c02424 ↗
19. Size and coverage effects of Ni and Pt co-catalysts in the photocatalytic hydrogen evolution from methanol on TiO2 (110)10.1021/acscatal.2c02230 ↗
20. Structural conversion of Cu-titanate into photoactive plasmonic Cu-TiO2 for H2 generation in visible light10.1021/acssuschemeng.1c07555 ↗
21. Engineered electronic states of transition metal doped TiO2 nanocrystals for low overpotential oxygen evolution reaction10.1021/jp508445t ↗
22. Visible light driven V-doped TiO2 photocatalyst and its photooxidation of ethanol10.1021/jp004295e ↗
23. Nitrogen-doped titanium dioxide as visible-light-sensitive photocatalyst: designs, developments, and prospects10.1021/cr5000738 ↗
24. Selective production of superoxide ions and hydrogen peroxide over nitrogen-and sulfur-doped TiO2 photocatalysts with visible light in aqueous suspension systems10.1021/jp8055015 ↗
25. Highly carbon-doped TiO2 derived from MXene boosting the photocatalytic hydrogen evolution10.1021/acssuschemeng.8b03406 ↗
26. Fluorine-doped TiO2 materials: photocatalytic activity vs time-resolved photoluminescence10.1021/jp4095563 ↗
27. Assessment of the roles of reactive oxygen species in the UV and visible light photocatalytic degradation of cyanotoxins and water taste and odor compounds using C–TiO210.1016/j.watres.2015.12.006 ↗
28. Novel nitrogen precursors for electrochemically driven doping of titania nanotubes exhibiting enhanced photoactivity10.1039/C5NJ00127G ↗
29. Atoms vs. ions: intermediates in reversible electrochemical hydrogen evolution reaction10.3390/catal11091135 ↗
30. Visible light-driven photocatalytic degradation of the organic pollutant methylene blue with hybrid palladium–fluorine-doped titanium oxide nanoparticles10.1007/s11051-015-2902-z ↗
31. Novel one-step synthesis of sulfur doped-TiO2 by flame spray pyrolysis for visible light photocatalytic degradation of acetaldehyde10.1016/j.cej.2018.01.063 ↗
32. Sulfur-doped g-C3N4/TiO2 S-scheme heterojunction photocatalyst for Congo Red photodegradation10.1016/S1872-2067(20)63634-8 ↗
33. The interplay of sulfur doping and surface hydroxyl in band gap engineering: mesoporous sulfur-doped TiO2 coupled with magnetite as a recyclable, efficient, visible light active photocatalyst for water purification10.1016/j.apcatb.2017.06.022 ↗
34. Sb2S3/TiO2 heterojunction photocathodes: band alignment and water splitting properties10.1021/acs.chemmater.0c01581 ↗
35. Chemically filled and Au-coupled BiSbS3 nanorod heterostructures for photoelectrocatalysis10.1021/acs.chemmater.6b04266 ↗
36. Rational design of TiO2/BiSbS3 heterojunction for efficient solar water splitting
37. Integrated p-n junctions for efficient solar water splitting upon TiO2/CdS/BiSbS3 ternary hybrids for improved hydrogen evolution and mechanistic insights10.3390/catal12101117 ↗
38. A nanoscale p-n junction photoelectrode consisting of an NiOx layer on a TiO2/CdS nanorod core-shell structure for highly efficient solar water splitting10.1016/j.apcatb.2019.02.063 ↗
39. Highly conformal deposition of an ultrathin FeOOH layer on a hematite nanostructure for efficient solar water splitting10.1002/anie.201605924 ↗
40. Enhanced photoelectrochemical water splitting of photoelectrode simultaneous decorated with cocatalysts based on spatial charge separation and transfer10.1021/acssuschemeng.7b03894 ↗
41. A visible-light-driven photoelectrochemical sensing platform based on the BiVO4/FeOOH photoanode for dopamine detection10.1016/j.electacta.2022.140207 ↗
42. Nanoporous BiVO4 photoanodes with dual-layer oxygen evolution catalysts for solar water splitting10.1126/science.1246913 ↗
43. Electrodeposition of Ni-doped FeOOH oxygen evolution reaction catalyst for photoelectrochemical water splitting10.1039/C4TA03078H ↗
44. A three-dimensional interconnected hierarchical FeOOH/TiO2/ZnO nanostructural photoanode for enhancing the performance of photoelectrochemical water oxidation10.1039/C5NR06212H ↗
45. Rational construction of S-doped FeOOH onto Fe2O3 nanorods for enhanced water oxidation10.1016/j.jcis.2022.02.117 ↗
46. Recent trends in photoelectrochemical water splitting: the role of cocatalysts10.1038/s41427-022-00436-x ↗
47. Well-crystallized α-FeOOH cocatalysts modified BiVO4 photoanodes for efficient and stable photoelectrochemical water splitting10.1021/acsaem.0c00834 ↗
48. A novel co-catalyst of CoFeOOH for greatly improving the solar water splitting performance over Mo-doped bismuth vanadate10.1016/j.jallcom.2022.167633 ↗
49. Carbon-protected BiVO4-Cu2O thin film tandem cell for solar water splitting applications10.3390/catal13010144 ↗
50. Mesoporous TiO2: comparison of classical sol− gel and nanoparticle based photoelectrodes for the water splitting reaction10.1021/nn1004765 ↗
51. Novel braceletlike BiSbX3 (X= S, Se) monolayers with an in-plane negative Poisson's ratio and anisotropic photoelectric properties10.1021/acs.jpclett.1c02995 ↗
52. Generation of oxygen vacancies in visible light activated one-dimensional iodine TiO2 photocatalysts10.1039/C4RA04768K ↗
53. Amorphous FeOOH quantum dots assembled mesoporous film anchored on graphene nanosheets with superior electrochemical performance for supercapacitors10.1002/adfm.201504019 ↗
54. Improving the visible light photocatalytic activity of nano-sized titanium dioxide via the synergistic effects between sulfur doping and sulfation10.1016/j.apcatb.2011.12.039 ↗
55. Visible-light-induced enhanced photocatalytic degradation of rhodamine-B dye using BixSb2-xS3 solid-solution photocatalysts10.1016/j.jcis.2019.11.118 ↗
56. S-doped TiO2 photocatalyst for visible LED mediated oxone activation: kinetics and mechanism study for the photocatalytic degradation of pyrimethanil fungicide10.1016/j.cej.2021.128450 ↗
57. Fabrication of highly visible active N, S co-doped TiO2@MoS2 heterojunction with synergistic effect for photocatalytic degradation of diclofenac: mechanisms, modeling and degradation pathway10.1016/j.molliq.2019.111342 ↗
58. Incorporating nitrogen atoms into cobalt nanosheets as a strategy to boost catalytic activity toward CO2 hydrogenation10.1038/s41560-017-0015-x ↗
59. Analysis of iron oxide reduction kinetics in the nanometric scale using hydrogen10.3390/nano10071276 ↗
60. Solvation effect promoted formation of p–n junction between WO3 and FeOOH: a high performance photoanode for water oxidation10.1016/j.jcat.2015.11.003 ↗
61. Enhanced performance of FeOOH/ZnIn2S4/Au nanosheet arrays for visible light water splitting10.1007/s10854-022-07785-x ↗
62. Boosting hematite photoelectrochemical water splitting by decoration of TiO2 at the grain boundaries10.1016/j.cej.2019.03.005 ↗