Method for manufacturing mono-layer carbon nano pipe

Method for manufacturing mono-layer carbon nano pipe

This invention provides a method for manufacturing the same length, high purity, single-layer carbon nanometer tubes with safety, high yield and controllable product length. The carbon series material, including single-layer carbon nanometer tubes, manufactured by various kinds of synthesis, is trea...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SUN JING, GAO LIAN, LIU YANGQIAO, KAJIURA TAKASHI
Format: Patent
Sprache:chi ; eng
Schlagworte:
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
MANUFACTURE OR TREATMENT THEREOF
METALLURGY
NANOSTRUCTURES FORMED BY MANIPULATION OF INDIVIDUAL ATOMS,MOLECULES, OR LIMITED COLLECTIONS OF ATOMS OR MOLECULES ASDISCRETE UNITS
NANOTECHNOLOGY
NON-METALLIC ELEMENTS
PERFORMING OPERATIONS
TRANSPORTING
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Beschreibung
Zusammenfassung:This invention provides a method for manufacturing the same length, high purity, single-layer carbon nanometer tubes with safety, high yield and controllable product length. The carbon series material, including single-layer carbon nanometer tubes, manufactured by various kinds of synthesis, is treated by nitric acid or the like, removing the metal impurities and forming defects on the wall of said nanometer tubes. Then, said carbon series material is treated by nitric acid, hydrogen peroxide, persulphates or this kinds of oxidants, cutting said single-layer nanometer tubes, finally the same is treated by reductive gas, such as ammonia, for removing the carbon impurity, and restoring from the defects for the single-layer carbon nanometer tubes.