[Photochemical preparation of Au nanoparticles with polyethyelene glycol and its resonance scattering spectral study].
The nano-photochemical reaction of polyethyelene glycol (PEG)-Au3+ was studied by resonance scattering and absorption spectrophotometry, and transmission electron microscopy. Influence of various factors on the preparation of gold nanoparticles was considered. There is a correlation between the molecular mass of PEG and the size of gold nanoparticles. A new photochemical method was proposed for the preparation of gold nanoparticles in size of 6-60 nm, using different molecular mass of PEG. The cause of obtaining gold nanoparticle with different size is the different space effect and hydrophobic property of PEG. A reasonable nano-reaction mechanism was developed.
Liu
Qing-ye
QY
Institute of Material Science and Engineering, Guangxi Normal University, Guilin 541004, China.
Qin
Ai-miao
AM
Jiang
Zhi-liang
ZL
He
You-qiu
YQ
Liu
Shao-pu
SP