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Toward High Value Sensing: Monolayer-Protected Metal Nanoparticles in Multivariable Gas and Vapor Sensors



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  • Personal Author:
    Potyrailo RA
  • Description:
    For detection of gases and vapors in complex backgrounds, "classic" analytical instruments are an unavoidable alternative to existing sensors. Recently a new generation of sensors, known as multivariable sensors, emerged with a fundamentally different perspective for sensing to eliminate limitations of existing sensors. In multivariable sensors, a sensing material is designed to have diverse responses to different gases and vapors and is coupled to a multivariable transducer that provides independent outputs to recognize these diverse responses. Data analytics tools provide rejection of interferences and multi-analyte quantitation. This review critically analyses advances of multivariable sensors based on ligand-functionalized metal nanoparticles also known as monolayer-protected nanoparticles (MPNs). These MPN sensing materials distinctively stand out from other sensing materials for multivariable sensors due to their diversity of gas- and vapor-response mechanisms as provided by organic and biological ligands, applicability of these sensing materials for broad classes of gas-phase compounds such as condensable vapors and non-condensable gases, and for several principles of signal transduction in multivariable sensors that result in non-resonant and resonant electrical sensors as well as material- and structure-based photonic sensors. Such features should allow MPN multivariable sensors to be an attractive high value addition to existing analytical instrumentation. [Description provided by NIOSH]
  • Subjects:
  • Keywords:
  • ISSN:
    0306-0012
  • Document Type:
    Text
  • Funding:
    Contract
  • Genre:
    Journal Article
  • Place as Subject:
  • CIO:
    National Institute for Occupational Safety and Health (NIOSH)
  • Topic:
    Workplace Safety & Health
  • Location:
    North America
  • Volume:
    46
  • Issue:
    17
  • NIOSHTIC Number:
    nn:20069025
  • Citation:
    Chem Soc Rev 2017 Sep; 46(17):5311-5346
  • Contact Point Address:
    Radislav A. Potyrailo, GE Global Research, Niskayuna, New York 12309, USA
  • Email:
    potyrailo@ge.com
  • Federal Fiscal Year:
    2017
  • Performing Organization:
    General Electric Company
  • Peer Reviewed:
    True
  • Start Date:
    20150817
  • Source Full Name:
    Chemical Society Reviews
  • End Date:
    20171017
  • Collection(s):
  • Main Document Checksum:
    urn:sha-512:5dedbefafab365c1919d2342b6b3e0d68d693748f3bf119da932fac7d155a05abb65c77e790e3c152d9cbc32cd75ea10bcb79642caaa896fc06046911f30ec95
  • Download URL:
  • File Type:
    Filetype[PDF - 13.79 MB ]
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