Fabrication of plasmonic Au/TiO 2 nanotube arrays with enhanced photoelectrocatalytic activities
Source abstract
Abstract
Abstract Uniformly dispersed Au nanoparticles (NPs) deposited on the surface of highly ordered TiO 2 nanotube arrays (Au/TiO 2 NTs) were synthesized through a two-step process including anodization method and microwave-assisted chemical reduction route. The investigation indicated that Au NPs grew uniformly on the walls of TiO 2 NTs. Au/TiO 2 NTs exhibited excellent visible light absorption due to the LSPR effect of Au NPs. Au/TiO 2 NTs exhibited much higher photocurrent density and the photoconversion efficiency of Au decorated TiO 2 NTs was about 2.05 times greater than that of bare TiO 2 NTs. Besides, the PL intensity of Au/TiO 2 NTs was much lower than that of TiO 2 NTs, revealing a decrease in charge carrier recombination. The prepared Au/TiO 2 NTs exhibited superior photoelectrocatalytic activity and stability in the degradation of MB under simulated solar light irradiation. The synergy effect between nanotubular structures of TiO 2 and uniformly dispersed Au nanoparticles, as well as the small bias potential and strong interaction between Au and TiO 2 , facilitated the Au plasmon-induced charge separation and transfer, which lead to highly efficient and stable photoelectrocatalytic activity.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Advanced Photocatalysis Techniques · TiO2 Photocatalysis and Solar Cells · Quantum Dots Synthesis And Properties
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (53)
Show source-provided references
1. Light-induced amphiphilic surfaces10.1038/41233 ↗
2. Photochemistry on nonreactive and reactive (semiconductor) surfaces10.1021/cr00017a013 ↗
3. Cu (II) oxide amorphous nanoclusters grafted Ti3+ self-doped TiO2: an efficient visible light photocatalyst10.1021/cm203025b ↗
4. Inhibition of crystallite growth in the sol-gel synthesis of nanocrystalline metal oxides10.1126/science.285.5432.1375 ↗
5. A novel sulfur source for biosynthesis of (Ag, S)-modified TiO2 photoanodes in DSSC10.1016/j.matlet.2014.02.093 ↗
6. Photocatalysis on TiO2 surfaces: principles, mechanisms, and selected results10.1021/cr00035a013 ↗
7. Photocatalytic degradation of pollutant over TiO2 in different crystal structures10.1016/0926-3373(93)80066-M ↗
8. Preparation of Cu-doped ZnS QDs/TiO2 nanocomposites with high photocatalytic activity10.1016/j.apcatb.2013.07.004 ↗
9. Role of the crystallite phase of TiO2 in heterogeneous photocatalysis for phenol oxidation in water10.1021/jp993819b ↗
10. Synthesis and photovoltaic performance of reduced graphene oxide-TiO2 nanoparticles composites by solvothermal method10.1016/j.jallcom.2013.02.086 ↗
11. Improved photocatalytic activity of Sn4+ doped TiO2 nanoparticulate films prepared by plasma-enhanced chemical vapor deposition10.1039/b306845e ↗
12. Photoactive centers responsible for visible-light photoactivity of N-doped TiO210.1039/b719498f ↗
13. Fabrication and gas sensing properties of C-doped and un-doped TiO2 nanotubes10.1016/j.ceramint.2013.05.110 ↗
14. Visible-light photocatalysis in nitrogen-doped titanium oxides10.1126/science.1061051 ↗
15. Controllable construction of ZnO/TiO2 patterning nanostructures by superhydrophilic/superhydrophobic templates10.1039/B9NJ00325H ↗
16. Photoelectrochemical properties of TiO2/SrTiO3 combined nanotube arrays10.1016/j.ceramint.2012.10.151 ↗
17. Adsorption of CO2 on heterostructure CdS(Bi2S3)/TiO2 nanotube photocatalysts and their photocatalytic activities in the reduction of CO2 to methanol under visible light irradiation10.1016/j.cej.2011.11.029 ↗
18. Sonoelectrochemical synthesis of highly photoelectrochemically active TiO2 nanotubes by incorporating CdS nanoparticles10.1088/0957-4484/20/29/295601 ↗
19. Efficient oxygen reduction on layers of ordered TiO2 nanotubes loaded with Au nanoparticles10.1016/j.elecom.2007.04.002 ↗
20. Efficient photocatalytic hybrid Ag/TiO2 nanodot arrays integrated into nanopatterned block copolymer thin films10.1039/b9nj00245f ↗
21. Fabrication and catalytic properties of Co–Ag–Pt nanoparticle-decorated titania nanotube arrays10.1021/jp067207k ↗
22. A facile method for synthesis of Ag/TiO2 nanostructures10.1016/j.matlet.2008.04.055 ↗
23. Highly quasi-monodisperse Ag nanoparticles on titania nanotubes by impregnative aqueous ion exchange10.1021/la9009702 ↗
24. Photocatalytic activity of TiO2 nanotube layers loaded with Ag and Au nanoparticles10.1016/j.elecom.2007.11.001 ↗
25. Plasmonic gold nanocrystals coupled with photonic crystal seamlessly on TiO2 nanotube photoelectrodes for efficient visible light photoelectrochemical water splitting10.1021/nl3029202 ↗
26. Photocatalysis fundamentals and surface modification of TiO2 nanomaterials10.1016/S1872-2067(15)60999-8 ↗
27. Controlling the synthesis and assembly of silver nanostructures for plasmonic applications10.1021/cr100275d ↗
28. Localized surface plasmon resonance sensors10.1021/cr100313v ↗
29. Preparation of amorphous and crystalline Ag/TiO2 nanocomposite thin films10.1016/j.apsusc.2012.10.151 ↗
30. Influence of excitation wavelength (UV or visible light) on the photocatalytic activity of titania containing gold nanoparticles for the generation of hydrogen or oxygen from water10.1021/ja1086358 ↗
31. Plasmonic photocatalyst for H2 evolution in photocatalytic water splitting10.1021/jp1074048 ↗
32. Gold nanoparticles: assembly, supramolecular chemistry, quantum-size-related properties, and applications toward biology, catalysis, and nanotechnology10.1021/cr030698+ ↗
33. Plasmon-induced charge separation and recombination dynamics in gold-TiO2 nanoparticle systems: dependence on TiO2 particle size10.1021/jp810576s ↗
34. Ion implantation and annealing for an efficient N-doping of TiO2 nanotubes10.1021/nl0600979 ↗
35. High-efficiency photoelectrocatalytic hydrogen generation enabled by Ag deposited and Ce doped TiO2 nanotube arrays10.1016/j.ceramint.2014.12.083 ↗
36. Vertically aligned single crystal TiO2 nanowire arrays grown directly on transparent conducting oxide coated glass: synthesis details and applications10.1021/nl802096a ↗
37. Influence of aspect ratio of TiO2 nanorods on the photocatalytic decomposition of formic acid10.1021/jp808604t ↗
38. Y. Chen, J. Bian, L. Qi, E. Liu, J. Fan, Efficient degradation of methylene blue over two-dimensional Au/TiO2 nano-sheet films with overlapped light harvesting nanostructures.
39. A facile strategy to fabricate plasmonic Au/TiO2 nano-grass films with overlapping visible light-harvesting structures for H2 production from water10.1007/s10853-014-8793-z ↗
40. Application of finite-difference time domain to dye-sensitized solar cells: The effect of nanotube-array negative electrode dimensions on light absorption10.1016/j.solmat.2006.09.002 ↗
41. Enhanced charge-collection efficiencies and light scattering in dye-sensitized solar cells using oriented TiO2 nanotubes arrays10.1021/nl062000o ↗
42. Light-Driven Heterogeneous Reduction of Carbon Dioxide: Photocatalysts and Photoelectrodes10.1021/acs.chemrev.5b00370 ↗
43. Construction of Z-scheme type CdS-Au-TiO2 hollow nanorod arrays with enhanced photocatalytic activity10.1016/j.apcatb.2009.04.006 ↗
44. Enhanced photoelectrocatalytic activity of reduced graphene oxide/TiO2 composite films for dye degradation10.1016/j.cej.2012.04.062 ↗
45. Effect of Au supported TiO2 with dominant exposed {001} facets on the visible-light photocatalytic activity10.1016/j.apcatb.2012.02.020 ↗
46. Got TiO2 nanotubes? Lithium ion intercalation can boost their photoelectrochemical performance10.1021/nn900897r ↗
47. Use of highly-ordered TiO2 nanotube arrays in dye-sensitized solar cells10.1021/nl052099j ↗
48. Reduction of charge recombination by an amorphous titanium oxide interlayer in layered graphene/quantum dots photochemical cells10.1021/am200154h ↗
49. Photochemical synthesis and characterization of Ag/TiO2 nanotube composites10.1007/s10853-007-2387-y ↗
50. Photoeletrocatalytic activity of a Cu2O-loaded self-organized highly oriented TiO2 nanotube array electrode for 4-chlorophenol degradation10.1021/es802420u ↗
51. Plasmon-induced photoelectrocatalytic activity of Au nanoparticles enhanced TiO2 nanotube arrays electrodes for environmental remediation10.1016/j.apcatb.2014.09.029 ↗
52. Photoelectrocatalytic oxidation of aqueous ammonia using TiO2 nanotube arrays10.1016/j.apsusc.2014.05.195 ↗
53. Electrochemical assisted photocatalytic degradation of salicylic acid with highly ordered TiO2 nanotube electrodes10.1016/j.apsusc.2014.04.125 ↗