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  • Title: Boron-doped carbon nanotubes serving as a novel chemical sensor for formaldehyde.
    Author: Wang R, Zhang D, Zhang Y, Liu C.
    Journal: J Phys Chem B; 2006 Sep 21; 110(37):18267-71. PubMed ID: 16970445.
    Abstract:
    To search for a novel sensor to detect the presence of formaldehyde (HCOH), we investigate reactivities of the intrinsic and boron-doped (B-doped) single-walled (8, 0) carbon nanotube (SWCNT) with HCOH using density functional theory calculations. Compared with the intrinsic SWCNT, the B-doped SWCNT presents high sensitivity to HCOH. This is attributed to the strongly chemical interaction between the electron-rich oxygen atom of HCOH and the electron-scarce boron atom of the doped SWCNT. B-doped SWCNTs are expected to be a potential candidate for detecting the presence of HCOH.
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