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Fractal metal nanoparticle aggregates morphology formation mediated by polyelectrolyte/surfactant complex films at interfaces

机译:分形金属纳米粒子聚集在界面处由聚电解质/表面活性剂复合膜介导的形貌形成

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摘要

In this work,the gold nanoparticle self-assembly behavior of mica-surface-confined polyelectrolyte/surfactant complex films was investigated.First,modified partially hydrated polyacrylamide (MHPAM)/ hexadecyltrimethylammonium bromide (CTAB)complex films were deposited on the mica surface using Langmuir-Blodgett technique.Then,the preadsorbed MHPAM/CTAB complex film mica plate was dipped into the gold aqueous solution and the interesting fractal nanostructured gold network was formed.In addition,the effect of dipping time on gold nanoparticle self-assembly morphology was studied.The mechanism of formation process is briefly proposed.
机译:本文研究了云母表面受限的聚电解质/表面活性剂复合膜的金纳米粒子自组装行为。首先,使用Langmuir将改性的部分水合聚丙烯酰胺(MHPAM)/十六烷基三甲基溴化铵(CTAB)复合膜沉积在云母表面。 -Blodgett技术。然后,将预先吸附的MHPAM / CTAB复合膜云母板浸入金水溶液中,形成有趣的分形纳米结构金网。此外,研究浸渍时间对金纳米粒子自组装形态的影响。简要提出了形成过程的机理。

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