Morphology of rhenium complex-containing polystyrene-block-poly (4-vinylpyridine) and its use as self-assembly templates for nanoparticles

被引：21
|
作者：
Cheng, KW [1 ]
Chan, WK [1 ]
机构：
[1] Univ Hong Kong, Dept Chem, Hong Kong, Hong Kong, Peoples R China
来源：
LANGMUIR | 2005年 / 21卷 / 12期
关键词：
D O I：
10.1021/la050282m
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Polystyrene-block-poly(4-vinylpyridine) was functionalized with a chlorotricarbonyl rhenium(I) diimine complex. Compared to the metal-free copolymer, the copolymer-metal complex exhibited different morphologies, which are highly sensitive to the solvent used for spin-coating and the surface properties of the substrates. Well-defined cylindrical or spherical domains were observed. Due to its ionic nature, the poly(4-vinylpyridine)-rhenium complex block could also serve as a template for subsequent deposition of cadmium sulfide nanoparticles by electrostatic attraction. The pattern of the deposited nanoparticles was found to be the replica of the block copolymer underneath, and their presence on the film surface was confirmed by X-ray photoelectron spectroscopy.
引用
收藏
页码：5247 / 5250
页数：4
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