Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

An Observation Method for One-dimensional Nanomaterials

A technology of nanomaterials and carbon nanotubes, which is used in the field of observing one-dimensional nanomaterials with optical microscopes, which can solve the problems of inability to image, degraded image quality, and limitations of the morphological structure and arrangement direction of the measured nanomaterials.

Active Publication Date: 2021-06-25
TSINGHUA UNIV +1
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the method and device have certain limitations on the morphology, structure and arrangement direction of the measured nanomaterials.
For example, if the measured carbon nanotubes are bent or bent, the quality of the image obtained by using the method and device will be significantly reduced or even impossible to image.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • An Observation Method for One-dimensional Nanomaterials
  • An Observation Method for One-dimensional Nanomaterials
  • An Observation Method for One-dimensional Nanomaterials

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0041] The method for observing one-dimensional nanomaterials provided by the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0042] The invention provides an observation method for one-dimensional nanomaterials, which is used for distinguishing one-dimensional nanomaterials with different chiralities. The one-dimensional nanomaterial refers to a hollow or solid material whose radial dimension is in the range of 1 nm to 100 nm, whose longitudinal dimension is much larger than the radial dimension, and whose aspect ratio can reach tens to tens of thousands, such as: nanotubes, Nanorods, nanowires, nanofibers, nanoribbons, etc. Common one-dimensional nanomaterials include carbon nanotubes, graphene narrow bands, metal nanowires, carbon fibers, etc. In the embodiment of the present invention, only carbon nanotubes are taken as an example for illustration, and it can be understood that the metho...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
sizeaaaaaaaaaa
Login to View More

Abstract

The invention relates to a method for observing carbon nanotubes, comprising: providing a one-dimensional nanomaterial to be measured; immersing the one-dimensional nanomaterial to be measured in a coupling liquid; providing a first incident light and a second incident light at the same time Irradiating the one-dimensional nanomaterial to be tested, the one-dimensional nanomaterial to be tested undergoes resonant Rayleigh scattering under the irradiation of the first incident light and the second incident light, and the first incident light and the second incident light The second incident light has a continuous spectrum and the incident directions are not parallel to each other; and the one-dimensional nanometer material to be measured with resonant Rayleigh scattering is observed by an optical microscope. The observation method provided by the invention can observe one-dimensional nanomaterials with any shape structure and arrangement direction, and obtain the position, shape and chirality information of the one-dimensional nanomaterials.

Description

technical field [0001] The invention relates to a method for observing one-dimensional nanomaterials, in particular to a method for observing one-dimensional nanomaterials with an optical microscope. Background technique [0002] One-dimensional nanomaterials prepared by existing methods, such as carbon nanotubes, are usually mixed together with different chiralities, different diameters, and different lengths. Intermixed carbon nanotubes can be quantitatively distinguished by their own chirality. Carbon nanotubes with different chiralities exhibit different colors when resonant Rayleigh scattering occurs. Wu Wenyun et al. provided a method and device for observing the chirality of nanomaterials, using the resonant Rayleigh scattering image of carbon nanotubes to judge whether the chirality of multiple carbon nanotubes is consistent, and can further calculate the chirality of each carbon nanotube. sex index. However, the method and device have certain limitations on the m...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): G01N21/49
CPCG01N21/49G01N15/00G01N2015/0038G01N21/658G02B21/0016G02B21/10G01N15/1484G02B21/361G01N2015/1497G01N21/51G01N21/255
Inventor 武文赟李东琦张金姜开利范守善
Owner TSINGHUA UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products