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A micro gas preconcentrator which has a single walled carbon nanotube (SWNT) film as a sorbent material was fabricated by MEMS technology. This work is the first to investigate the performance of SWNTs in the preconcentrator by evaluating their adsorption capacity. Octane adsorption experiments were carried out for 60 minutes on the newly fabricated preconcentrator and the concentration factor was...
Kraft lignin (KL) was adsorbed on multi-wall carbon nanotubes (MWCNTs). After dispersing in dimethylsulfoxide the biopolymer coated MWCNTs formed stable suspensions that could be used to form cast films on glassy carbon electrodes. The composite films after initial oxidation showed redox functions characteristic of quinone moieties. These could be further reacted with thionine (TH) to form a redox...
A new getter, we call it nanogetter, based on carbon nanotubes (CNTs) coated Ti films has been developed with the purpose of providing a more efficient material, capable of getting active at high vacuum environment (< 10-3Torr, molecular state) and low temperature (<400 degC). Because of the large surface area of CNTs and its native gas adsorption ability, dense CNTs growth on silicon substrate...
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