We report a simple and convenient method for the synthesis of a ZnO/Au and ZnO/Ag heterostructure nanoflower by applying a surfactant mediated route. Initially, pure ZnO nanoflowers have been synthesized followed by Au and Ag deposition on ZnO surface using hydrazine hydrate as reducing agent.

2019年1月1日 · We provide evidence that the Au/ZnO interface is the specific active site for selective catalytic oxidation of the secondary alcohol group in glycerol, without affecting the primary alcohol groups, thus affording dihydroxyacetone with high selectivity.

2021年1月1日 · This paper presents a simple and feasible method for liquid-phase fabrication of Au-decorated ZnO (ZnO:Au) nanocomposites by two-step liquid-phase pulsed laser ablation.

2014年9月26日 · In this study we report the enhancement of UV photodetection and wavelength tunable light induced NO gas sensing at room temperature using Au-ZnO nanocomposites synthesized by a simple...

2024年10月13日 · This study introduces a simple and scalable method for synthesizing plasmonic ZnO-Au hybrid nanomaterials using plasma technology and highlights the critical role of Au NPs in enhancing photocatalytic performance by reducing electron–hole recombination.

2024年10月15日 · To tackle this issue, we have developed highly dispersed Au-modified ZnO nanosheets through photo-deposition method for the photocatalytic oxidation of methane to formaldehyde. The optimized Au 0.1 /ZnO catalyst (0.1 wt% Au on ZnO) achieves a HCHO yield of 19.14 μmol h −1 with a selectivity of 87.94 %.

2013年12月19日 · Electron spin resonance spectroscopy with spin trapping and spin labeling was used to investigate the enhancing effect of Au NPs on the generation of reactive oxygen species and photoinduced charge carriers. Deposition of Au NPs onto ZnO resulted in a dramatic increase in light-induced generation of hydroxyl radical, superoxide and singlet ...

The sensing mechanism of mesoporous ZnO–Au for ethanol is attributed to classical surface adsorption/catalytic reaction, where strong sensitization effect (electron and chemical) and the spillover effect of Au nanoparticles in the catalytic reaction …

2019年11月14日 · A new paradigm for photocatalysts based on two different hierarchically structured honeycomb and porous cylindrical Au-ZnO heterostructures was successfully developed via a straightforward and...

2024年1月15日 · 具有较小的Au尺寸和Au（100）面的1.0% Au/ZnO-4.2催化剂，通过促进H2O2的原位合成和分解和/或*OOH中O-O键的裂解，表现出更高的•OH自由基生成能力。 然而具有中等尺寸和Au（111）面的1.0% Au/ZnO-9.6催化剂，通过温和的氧还原过程表现出较强的•OOH自由基生 …