Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 8, Issue 42, Pages 28412-28417Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsami.6b09358
Keywords
carbon fibers; porosity; graphene; electro spinning polyacrylonitrile
Funding
- AiF [17973 BG]
- EU
- federal state of North Rhine-Westphalia [EFRE 30 00 883 02]
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Here we present a novel laser process to generate carbon nanofiber nonwovens from polyacrylonitrile. We produce carbon nanofabrics via electrospinning followed by infrared laser induced carbonization, facilitating high surface area and well controlled hierarchical porosity. The process allows precise control of the carbonization conditions and provides high nanoscale porosity. In comparison with classical thermal carbonization, the laser process produces much higher surface areas and smaller pores. Furthermore, we investigate the carbonization performance and the morphology of polyacrylonitrile nanofibers compounded with graphene nanoplatelet fillers.
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