Microwave Makes Carbon Nanotubes Less Defective
Source abstract
Abstract
An ultrafast microwave annealing process has been developed to reduce the defect density in vertically aligned carbon nanotubes (CNTs). Raman and thermogravimetric analyses have shown a distinct defect reduction in the CNTs annealed in microwave for 3 min. Fibers spun from the as-annealed CNTs, in comparison with those from the pristine CNTs, show increases of approximately 35% and approximately 65%, respectively, in tensile strength ( approximately 0.8 GPa) and modulus (approximately 90 GPa) during tensile testing; an approximately 20% improvement in electrical conductivity (approximately 80000 S m(-1)) was also reported. The mechanism of the microwave response of CNTs was discussed.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Carbon Nanotubes in Composites · Graphene research and applications · Boron and Carbon Nanomaterials Research
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Materials Science and Engineering, Georgia Institute of Technology, 771 Ferst Drive NW, Atlanta, Georgia 30332
School of Polymer Textile and Fiber Engineering, Georgia Institute of Technology, 801 Ferst Drive NW, Atlanta, Georgia 30332
Key Lab of MEMS of Education Ministry, Southeast University, Nanjing 210096, People’s Republic of China
Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, People’s Republic of China
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