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Regioselective metal deposition on polymer-Au nanoparticle hybrid chains

  • Zhiqi Huang (黄志琦)
  • Sihang Liu (刘思航)
  • Yuejiao Zhang (张月皎)
  • Jingliang Yang (杨晶亮)
  • Jianfeng Li (李剑锋)
  • Zhihong Nie (聂志鸿)Email author
  • Jinlong Gong (巩金龙)Email author
Letter
  • 32 Downloads

金属在高分子-金纳米颗粒复合纳米链上的区域 选择性生长

摘要

模板法是可控合成复合纳米材料的一种重要手段. 然而, 纳米材料在模板, 尤其是复合模板上的选择性生长仍面临巨大挑战. 本文以自组装聚乙烯-金纳米颗粒一维复合纳米链为软-硬复合模板, 实现金属在该模板上可控地选择性沉积、生长. 通过选择恰当的表面活性剂来调节金属生长的热力学, 金属可以选择性地生长在金纳米颗粒的表面, 得到金属间歇包覆的复合纳米链; 也可以同时包覆在聚乙烯和金纳米颗粒的表面, 得到金属完全包覆的豌豆荚状复合纳米链. 不同的包覆方式和包覆材料选择都会导致材料光学性质的变化. 时间差分有限元模拟表明, 金包覆的豌豆荚状复合纳米链的表面金壳层和内部金纳米颗粒之间存在极强的表面等离子体耦合作用. 在表面增强拉曼实验中, 该复合纳米链表现出很强的增强信号.

Notes

Acknowledgements

This work was financially supported by the National Natural Science Foundation of China (21525626), the Program of Introducing Talents of Discipline to Universities (B06006), the Program for Professor of Special Appointment (Eastern Scholar) at Shanghai Institutions of Higher Learning, and the Startup Fund from Fudan University.

Supplementary material

40843_2019_9420_MOESM1_ESM.pdf (817 kb)
Selective metal deposition on polymer-Au nanoparticle hybrid chains

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Copyright information

© Science China Press and Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  • Zhiqi Huang (黄志琦)
    • 1
  • Sihang Liu (刘思航)
    • 1
  • Yuejiao Zhang (张月皎)
    • 3
  • Jingliang Yang (杨晶亮)
    • 3
  • Jianfeng Li (李剑锋)
    • 3
  • Zhihong Nie (聂志鸿)
    • 2
    Email author
  • Jinlong Gong (巩金龙)
    • 1
    Email author
  1. 1.Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and TechnologyTianjin University, Collaborative Innovation Center of Chemical Science and EngineeringTianjinChina
  2. 2.State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular ScienceFudan UniversityShanghaiChina
  3. 3.State Key Laboratory for Physical Chemistry of Solid Surfaces, MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, College of Chemistry and Chemical Engineering, iChEMXiamen UniversityXiamenChina

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