Carbon Nanotube Webs: A Novel Material for Sensor Applications

Carbon nanotube (CNT) web electrodes with high electrical conductivity, alignment, flexibility, and mechanical and chemical stabilities are fabricated by directly drawing from the edge of a CNT forest without using any binders. Different electrode geometries such as planar, yarn, ring, and ribbon are produced. Their high hydrophobicity and large surface area enable the extraction and ultrasensitive detection of organophosphate pesticides.