Controlling nanoparticle placement in Au/TiO 2 inverse opal photocatalysts
Gold nanoparticle-loaded titania (Au/TiO ) inverse opals are highly ordered three-dimensional photonic structures with enhanced photocatalytic properties. However, fine control over the placement of the Au nanoparticles in the inverse opal structures remains challenging with traditional preparative...
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| Veröffentlicht in: | Nanoscale 2024-07, Vol.16 (29), p.13867-13873 |
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| container_title | Nanoscale |
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| creator | Bijl, Marianne Lim, Kang Rui Garrick Garg, Sadhya Nicolas, Natalie J Visser, Nienke L Aizenberg, Michael van der Hoeven, Jessi E S Aizenberg, Joanna |
| description | Gold nanoparticle-loaded titania (Au/TiO
) inverse opals are highly ordered three-dimensional photonic structures with enhanced photocatalytic properties. However, fine control over the placement of the Au nanoparticles in the inverse opal structures remains challenging with traditional preparative methods. Here, we present a multi-component co-assembly strategy to prepare high-quality Au/TiO
inverse opal films in which Au nanoparticles are either located on, or inside the TiO
matrix, as verified using electron tomography. We report that Au nanoparticles embedded in the TiO
support exhibit enhanced thermal and mechanical stability compared to non-embedded nanoparticles that are more prone to both leaching and sintering. |
| doi_str_mv | 10.1039/d4nr01200c |
| format | Article |
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) inverse opals are highly ordered three-dimensional photonic structures with enhanced photocatalytic properties. However, fine control over the placement of the Au nanoparticles in the inverse opal structures remains challenging with traditional preparative methods. Here, we present a multi-component co-assembly strategy to prepare high-quality Au/TiO
inverse opal films in which Au nanoparticles are either located on, or inside the TiO
matrix, as verified using electron tomography. We report that Au nanoparticles embedded in the TiO
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inverse opal films in which Au nanoparticles are either located on, or inside the TiO
matrix, as verified using electron tomography. We report that Au nanoparticles embedded in the TiO
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inverse opal films in which Au nanoparticles are either located on, or inside the TiO
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| language | eng |
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| source | Royal Society Of Chemistry Journals 2008- |
| title | Controlling nanoparticle placement in Au/TiO 2 inverse opal photocatalysts |
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