Raman scattering study of adsorption/desorption of water from single‐walled carbon nanotubes | Zendy

Sharma Suresh C. | Zendy; Singh Dharmbir | Zendy; Li Ying | Zendy

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Raman scattering study of adsorption/desorption of water from single‐walled carbon nanotubes

Author(s) -

Sharma Suresh C.,

Singh Dharmbir,

Li Ying

Publication year - 2005

Publication title -

journal of raman spectroscopy

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.748

H-Index - 110

eISSN - 1097-4555

pISSN - 0377-0486

DOI - 10.1002/jrs.1345

Subject(s) - raman spectroscopy , desorption , carbon nanotube , adsorption , raman scattering , analytical chemistry (journal) , carbon fibers , materials science , chemistry , chemical engineering , nanotechnology , chromatography , composite material , optics , physics , engineering , composite number

We utilized Raman spectroscopy to investigate H 2 O adsorption in and desorption from single‐walled carbon nanotubes (SWCNTs). SWCNT tips were opened by known chemical methods and H 2 O was inserted into the tubes via capillary action over periods up to 136 h. The wavenumbers in the OH bending region of H 2 O increase almost exponentially with H 2 O treatment time. Following H 2 O adsorption for 136 h, Raman spectra were also measured as a function of heat‐treatment temperature. These data lead to 0.07 eV for the H 2 O desorption energy from SWCNTs. Copyright © 2005 John Wiley & Sons, Ltd.

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