Insight into induced charges at metal surfaces and ... - Nature
2018年2月19日 · Induced charges affect the adsorption of ions onto gold surfaces in the gas phase at a strength similar to chemical bonds while ions and charged peptides in solution are …
Determination of the Surface Charge Density of Colloidal Gold ...
2015年6月18日 · Second harmonic generation is used to investigate the surface charge density of 50 nm colloidal gold nanoparticles in water. The gold nanoparticles are thiolated with …
Determination of the Surface Charge Density of Colloidal Gold ...
2015年6月18日 · Second harmonic generation is used to investigate the surface charge density of 50 nm colloidal gold nanoparticles in water. The gold nanoparticles are thiolated with …
Origin of Laser-Induced Colloidal Gold Surface Oxidation and Charge …
The properties of the laser-generated nanoparticles in the colloidal state appear to have predetermined the catalytic performance. We found that a smaller surface charge density of …
Effect of Size and Surface Charge of Gold Nanoparticles on
2017年3月28日 · The charge density on both cationic and anionic gold nanoparticle was ~+5 e/nm 2 and ~−5 e/nm 2 respectively. Adequate numbers of counter ions were added to the …
Surface charge--induced ordering of the au (111) surface
1992年3月13日 · Synchrotron surface x-ray scattering (SXS) studies have been carried out at the Au(lll)/electrolyte interface to determine the influence of surface charge on the microscopic …
Dipole-like electrostatic asymmetry of gold nanorods - PMC
The maximum and minimum surface charge density on gold was calculated to be 7.9 × 10 −3 and −3.4 × 10 −3 C/m 2. By integral of the surface charge density of the gold core, the apparent …
The origin of laser-induced colloidal gold surface oxidation and charge …
2020年8月24日 · We found that a smaller surface charge density of the usAu NPs was beneficial for the catalytic activity in CO and ethanol oxidation, while their peroxidase-like activity was …
Double layer charging driven carbon dioxide adsorption limits …
2020年1月7日 · We show the experimental Tafel slope to arise from the potential dependence of the surface-charge density and the corresponding electric double-layer field, which drives the …
Surface Charge—Induced Ordering of the Au(111) Surface | Science …
1992年3月13日 · Synchrotron surface x-ray scattering (SXS) studies have been carried out at the Au (111)/electrolyte interface to determine the influence of surface charge on the microscopic …