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相关概念视频

Centrifugation01:05

Centrifugation

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Centrifugation is a separation technique based on differences in density or size. It is commonly used to separate solids from aqueous interferents. During centrifugation, the sample is placed in centrifugation tubes and spun at high angular velocity, which allows centrifugal force to act differentially on the different densities or masses of the components. After spinning, the supernatant liquid is decanted. Depending on the specific application, either the pellet or the supernatant is retained...
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相关实验视频

Updated: Jan 12, 2026

Preparation of Liquid-exfoliated Transition Metal Dichalcogenide Nanosheets with Controlled Size and Thickness: A State of the Art Protocol
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动态离心超连续梯度纳米碳膜

Huili Fu1, Li Chen1,2, Zhengpeng Yang3

  • 1Key Laboratory of Multifunctional Nanomaterials and Smart Systems, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou, 215123, China.

Small methods
|November 5, 2025
PubMed
概括
此摘要是机器生成的。

研究人员开发了一种使用石墨烯氧化物和碳纳米管的新型动态离心造方法,以创建超连续梯度纳米碳膜. 这些薄膜具有可调节的特性和特殊的电磁干扰屏蔽效率.

关键词:
在EMI屏蔽中使用EMI屏蔽.动态离心造 动态离心造电热性能 电热性能 电热性能纳米碳膜是一种纳米碳膜.超连续梯度结构的超连续梯度结构.

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Ultrahigh Density Array of Vertically Aligned Small-molecular Organic Nanowires on Arbitrary Substrates
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相关实验视频

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科学领域:

  • 材料科学 材料科学 材料科学
  • 纳米技术纳米技术
  • 复合材料 复合材料 复合材料

背景情况:

  • 由于其微观结构的变化,功能梯度膜具有显著的兴趣.
  • 精确控制这些电影中的梯度结构仍然是一个关键的挑战.

研究的目的:

  • 为制造超连续梯度纳米碳膜 (SGNFs) 提出一种新的动态离心造策略.
  • 通过控制石墨烯氧化物 (GO) 的降解度来证明梯度孔结构和电导率的调节.

主要方法:

  • 使用石墨烯氧化物 (GO) 和单壁碳纳米管 (SWNT) 作为主要构件.
  • 采用动态离心造技术用于片制造.
  • 改变了GO的降解度,以调整片的特性.

主要成果:

  • 实现了62 dB的特殊电磁干扰 (EMI) 屏蔽效率 (SE) 与超低反射 (R=0.7).
  • 图形化后,增强EMI SE达到98dB,显示可调节的吸收.
  • 在实际应用中观察到令人满意的电热性能.

结论:

  • 拟议的动态离心造策略为SGNFs的架构提供了一种可行的方法.
  • 制造的SGNF具有有吸引力的性能优势,包括高EMI屏蔽和可调节性质.
  • 这种方法为先进的功能梯度材料提供了途径.