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Fabrication, Densification, and Replica Molding of 3D Carbon Nanotube Microstructures
09:23

Fabrication, Densification, and Replica Molding of 3D Carbon Nanotube Microstructures

Published on: July 2, 2012

狭窄的孔径的多聚烯纳米管.

Xinyu Zhang1, Sanjeev K Manohar

  • 1Alan G. MacDiarmid Center for Innovation, Department of Chemistry, The University of Texas at Dallas, Richardson, TX 75080, USA.

Journal of the American Chemical Society
|October 13, 2005
PubMed
概括

研究人员用V2O5纳米纤维作为模板合成了电导聚烯纳米管. 这些空洞的纳米管可以用来制造金属纳米粒子,形成独特的同轴电缆结构.

科学领域:

  • 材料科学 材料科学 材料科学
  • 纳米技术纳米技术
  • 聚合物化学 聚合物化学

背景情况:

  • 电导聚合物对于先进的电子应用至关重要.
  • 开发纳米结构导电聚合物的高效合成方法仍然是一个挑战.
  • 模板辅助合成提供了一条在纳米尺度上控制聚合物形态的途径.

研究的目的:

  • 快速合成大量的电导聚烯纳米管.
  • 研究使用V2O5纳米纤维作为模板用于聚烯基纳米管的形成.
  • 探索合成纳米管对于贵金属纳米颗粒沉积的能力.

主要方法:

  • 使用V2O5纳米纤维作为模板的化学氧化聚合甲醇.
  • 使用水性盐酸溶解V2O5模板.
  • 降低室温和沉积贵金属离子到聚烯纳米管上.

主要成果:

  • 成功合成了具有狭窄孔径 (6nm) 和导电率约2S/cm的空心聚烯纳米管.
  • 证明了贵金属离子 (Ag,Au,Pd) 在纳米管表面的自发减少和沉积.
  • 实现了金属在聚合物同轴纳米结构的形成,例如Ag/多聚烯电缆 (4-8nm Ag核心,20-30nm外).

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Fabrication of Spherical and Worm-shaped Micellar Nanocrystals by Combining Electrospray, Self-assembly, and Solvent-based Structure Control
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Fabrication of Spherical and Worm-shaped Micellar Nanocrystals by Combining Electrospray, Self-assembly, and Solvent-based Structure Control

Published on: February 11, 2018

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09:23

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Functionalization of Single-walled Carbon Nanotubes with Thermo-reversible Block Copolymers and Characterization by Small-angle Neutron Scattering
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Functionalization of Single-walled Carbon Nanotubes with Thermo-reversible Block Copolymers and Characterization by Small-angle Neutron Scattering

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Fabrication of Spherical and Worm-shaped Micellar Nanocrystals by Combining Electrospray, Self-assembly, and Solvent-based Structure Control
06:16

Fabrication of Spherical and Worm-shaped Micellar Nanocrystals by Combining Electrospray, Self-assembly, and Solvent-based Structure Control

Published on: February 11, 2018

结论:

  • V2O5纳米纤维是有效的模板,用于快速合成导电性聚烯纳米管.
  • 合成的聚烯纳米管可以作为制造金属聚合物纳米复合材料的多功能平台.
  • 这种方法为制造纳米结构材料提供了一个简单的途径,在催化和电子领域具有潜在的应用.