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[求助]
檸檬酸鈉做還原劑制備納米金膠
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| 以檸檬酸鈉做還原劑制備的納米金膠表面是不是帶負電荷的?誰有解釋其帶負電荷這方面的文獻? |

鐵桿木蟲 (著名寫手)
general

金蟲 (小有名氣)


木蟲 (正式寫手)
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http://pubs.acs.org/doi/abs/10.1021/jp075582m Estimation of Surface Oxide on Surfactant-Free Gold Nanoparticles Laser-Ablated in Water Surfactant-free gold nanoparticles were prepared by laser ablation of a gold metal plate in water. The nanoparticles were characterized by absorption spectroscopy, ζ-potential measurements, and XPS spectroscopy. The nanoparticles are negatively charged because the surface atoms are partially oxidized to Au伢-, according to the literature by Sacher and co-workers (J. Phys. Chem. B, 2004, 108, 16864). We further examined electrostatic interactions between nanoparticle and cationic surfactants. |
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