Posted October 05, 2018 09:51:33A new device that uses an electron microscopy microscope image to generate a full color image has been developed by researchers from the University of Southampton.
In a paper published in Physical Review Letters, the researchers describe their device that they have developed using an electron micrograph.
This new technique allows them to produce high-resolution images of molecules in nanostructured silicon, which is typically used for sensors and optoelectronic devices.
The device can be built using standard fabrication techniques, such as silicon nanowires, and can be used to build a variety of other applications, including optical imaging and imaging microscopy.
“We are interested in the use of this new technique to develop new imaging tools for the future,” said lead author Dr Thomas D. Smith, who is a Research Associate at the University’s Department of Chemistry.
“These imaging tools are extremely useful for studying the chemical structure of living materials, but it is important that the images are high resolution so that the biomolecules can be seen more clearly.”
Image qualityThe researchers used the new technology to create images of nanostructure, which can be useful for image analysis.
“When we saw the images, we thought they were going to be too high resolution to be useful in this application, but they were,” explained co-author Dr Daniela D. Martins, a PhD student at the Department of Chemical Engineering.
“The nanostrochaeosystem we have created, based on our previous work, is quite different from the nanostrystals we have previously developed, but the fundamental properties of the nanosheets are similar to the nanoscale structure.”
What we found was that the nanomaterials are very similar to what we used in the past for scanning, which has led us to think that this is the same method used for the scanning of proteins,” she said.”
Our imaging technique, when applied to nanostrategies, is very similar, but we were surprised to find that the imaging is very good at high resolution, and we are now investigating whether we can improve it further with our next project.
“Electron microscope images can be analysed by analysing the electron structure of the image using a scanning tunneling microscope.
The team has also developed a novel way to process the images.”
In previous work we have used a scanning electron microscope to produce a high-precision image of an atomically thin sheet of carbon nanotubes,” Dr Smith explained.”
Using this technique, we could then analyse the properties of these nanostril sheets, such that they were able to be used in a wide range of applications.
“This new scanning electron microscopical technique, on the other hand, can be combined with existing methods, such to form a highly precise image of molecules.”
Dr Smith and Dr Martins say their new method is able to produce very high-quality images, but not too high-grade, and they hope to develop it further.
“It is a promising step forward, but there are many other technologies we could be developing to improve the quality of images, such an electron density detector or optical imaging,” said co-lead author Dr Sohu Park, a postdoctoral researcher at the Southampton NanoSystems Centre.
“Currently, our imaging method is very limited, and it is hard to make these images at high resolutions,” Dr Martens added.
“So this technology could also be a great way to improve our imaging capability.”
This is a developing story.
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The article was originally published by Next Big Tomorrow and reproduced with permission.