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  Sci. Lett. J. 2016, 5: 224  
  Research Article
  Suppl. Material Full Text
Sensing response of semiconducting metal oxides decorated multiwalled carbon nanotubes towards toxic gases  
  Anwesha Mukherjee, Darim B. Ferry, Siva K. Reddy, Pavan Kumar R., Abha Misra  
Department of Instrumentation and Applied Physics, Indian Institute of Science, Bangalore, Karnataka 560012, India
  This work presents a novel sensing platform to selectively identify toxic gases namely, NH3, NO2, SO2 and H2S at room temperature by combining the functional advantages of both multiwalled carbon nanotubes (MWCNT) and semiconducting metal oxides. A simple and cost effective yet efficient process was adopted for decorating MWCNT with metal oxides to reveal unique response from each gas. Further, principle component analysis of all sensor responses acquired through a dedicated signal conditioning circuit suggests the identification of gases based upon the clustering of responses.  
  Carbon nanotubes; Functionalization; Sensors; Selectivity  
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