Time-varied magnetic-field induced monolayer formation and re-aggregation of Au nanoparticles during solvent evaporation.
The self-organization of citrate-capped Au nanoparticles on silicon slide driven by solvent evaporation is carried out under an time-varied magnetic field. The monolayer formation and succedent re-aggregation of Au nanoparticles are observed. The mechanism is proposed based on the interaction between Au colloidal surface and rotating electric field around nanoparticles induced by time-varied magnetic field.
Sun
Jian F
JF
State Key Laboratory of Bioelectronics and Jiangsu Key Laboratory for Biomaterials and Devices, Southeast University, Nanjing, Jiangsu, 210096, P. R. China.
Mao
Yong Q
YQ
Guo
Zhi R
ZR
Zhang
Yu
Y
Gu
Ning
N