Convenient CNT-Paper Gas Sensors Prepared by a Household Inkjet Printer | Zendy

Yan Yuan | Zendy; Xiaolei Tang | Zendy; Li Jiang | Zendy; Yujie Yang | Zendy; Yanhui Zhou | Zendy; Yanmao Dong | Zendy

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Convenient CNT-Paper Gas Sensors Prepared by a Household Inkjet Printer

Author(s) -

Yan Yuan,

Xiaolei Tang,

Li Jiang,

Yujie Yang,

Yanhui Zhou,

Yanmao Dong

Publication year - 2020

Publication title -

acs omega

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 0.779

H-Index - 40

ISSN - 2470-1343

DOI - 10.1021/acsomega.0c02869

Subject(s) - materials science , carbon nanotube , acrylic acid , glycidyl methacrylate , methacrylate , inkwell , ultraviolet , chemical engineering , acetone , aqueous solution , polymer , methyl methacrylate , composite material , polymer chemistry , polymerization , chemistry , organic chemistry , monomer , optoelectronics , engineering

A hydrosoluble light-sensitive polymer named PSAG (poly-styrenesulfonate acrylic acid glycidyl methacrylate) was synthesized by acrylic acid (AA), sodium 4-styrenesulfonate (SS), and glycidyl methacrylate (GMA). PSAG is used to modify multiwall carbon nanotubes (MWCNTs) with a length diameter between 0.004 and 0.016. An inkjet conductive ink was formed by well-dispersed MWCNTs in aqueous and organic solvents, which could adjust the surface tension and viscosity of the ink. Gas sensors were then fabricated using this conductive ink on a household inkjet printer. The sensors demonstrated good reproducibility and acceptable recovery time (<200 s) to ammonia, methanol, and acetone. The resistance of the inkjet-printed sensor electrodes remained stable in the process of bending the sensors to different angles because of ultraviolet curing.

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