Spin control New technique sorts nanotubes by length: related news

Spin Control: New Technique Sorts Nanotubes By Length

Researchers at the National Institute of Standards and Technology (NIST) have reported a new technique to sort batches of carbon nanotubes by length using high-speed centrifuges. Many potential applications for carbon nanotubes depend on the lengths of these microscopic cylinders, and one of the most important features of the new technique, say the scientists, is that it should be easily scalable to produce industrial quantities of high-quality nanotubes.

Spin control: New technique sorts nanotubes by length

(Nanowerk News) Researchers at the National Institute of Standards and Technology (NIST) have reported* a new technique to sort batches of carbon nanotubes by length using high-speed centrifuges. Many potential applications for carbon nanotubes depend on the lengths of these microscopic cylinders, and one of the most important features of the new technique, say the scientists, is that it should be easily scalable to produce industrial quantities of high-quality nanotubes.

Spin Control: New Technique Sorts Nanotubes by Length

In a schematic of NIST's length separation technique for carbon nanotubes (l.), the nanotubes start at the bottom of a dense fluid. When spun in a centrifuge, the nanotubes begin to migrate through the fluid driven by their buoyancy, but the longer ones move faster, spreading them out by length. Photos (r.) shows a typical sample at the start and after 94 hours of spinning at 1257 radians per second (roughly 12,000 RPM). Credit: NIST

Spin Control: New Technique Sorts Nanotubes by Length

In a schematic of NISTs length separation technique for carbon nanotubes (l.) the nanotubes start at the bottom of a dense fluid. When spun in a centrifuge the nanotubes begin to migrate through the fluid driven by their buoyancy but the longer ones ...

Spin control: New technique sorts nanotubes by length

In a schematic of NIST's length separation technique for carbon nanotubes (l.), the nanotubes start at the bottom of a dense fluid. When spun in a centrifuge, the nanotubes begin...

Spin control: New technique sorts nanotubes by length

In a schematic of NIST's length separation technique for carbon nanotubes (l.), the nanotubes start at the bottom of a dense fluid. When spun in a centrifuge, the nanotubes begin...

New technique sorts nanotubes by length

U.S. government scientists report developing a technique that sorts batches of carbon nanotubes by length, using high-speed centrifuges.

New technique sorts nanotubes by length

U.S. government scientists report developing a technique that sorts batches of carbon nanotubes by length, using high-speed centrifuges.

Spin Control: New Technique Sorts Nanotubes by Length

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Departments of Chemistry and Chemical Engineering, Columbia University, New York, New York 10027, HHMI, Columbia University College of Physicians and Surgeons, New York, New York 10032, Department of Chemistry, Hunter College of The City University of New York, New York, New York 10065, Department of Chemistry, City College of The City University of New York, New York, New York 10031

Scientists unveil new technique to sort nanotubes by length

Washington, May 17 : Researchers at the National Institute of Standards and Technology (NIST) have come up with a technique to sort carbon nanotubes by length.

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Department of Chemistry and AMRI, University of New Orleans, New Orleans, Louisiana 70148, Department of Chemistry, State University of New York at Binghamton, Binghamton, New York 13902, Coordinated Instrumentation Facility, Tulane University, New Orleans, Louisiana 70118, and Multidisciplinary Program in Materials Science and Engineering, State University of New York at Binghamton, Binghamton, New York 13902

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