Materials Design of Sensing Layers for Detection of Volatile Analytes

Human Olfactory Displays and Interfaces ◽

10.4018/978-1-4666-2521-1.ch008 ◽

2012 ◽

pp. 183-198

Author(s):

Mutsumi Kimura ◽

Tadashi Fukawa ◽

Tsuyoshi Ikehara ◽

Takashi Mihara

Keyword(s):

Volatile Organic Compounds ◽

Organic Compounds ◽

Chemical Sensors ◽

Recent Progress ◽

Materials Design ◽

Highly Sensitive ◽

Volatile Organic ◽

Sensitivity And Selectivity

The authors developed highly sensitive sensing layers for detection of Volatile Organic Compounds (VOCs) by using polymeric nanomaterials. In this chapter, they describe their recent progress on the design of polymeric sensing layers for the chemical sensors. The nanostructures of polymeric sensing layer strongly influenced the sensitivity and selectivity for VOCs sensings.

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Materials Design of Sensing Layers for Detection of Volatile Analytes

Nanotechnology ◽

10.4018/978-1-4666-5125-8.ch024 ◽

2014 ◽

pp. 569-584

Author(s):

Mutsumi Kimura ◽

Tadashi Fukawa ◽

Tsuyoshi Ikehara ◽

Takashi Mihara

Keyword(s):

Volatile Organic Compounds ◽

Organic Compounds ◽

Chemical Sensors ◽

Recent Progress ◽

Materials Design ◽

Highly Sensitive ◽

Volatile Organic ◽

Sensitivity And Selectivity

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Cross-Linked Nanoparticle Membranes for Microelectromechanical Chemical Sensors and Pressure Sensors

Proceedings ◽

10.3390/proceedings2130821 ◽

2019 ◽

Vol 2 (13) ◽

pp. 821

Author(s):

Hendrik Schlicke ◽

Hauke Hartmann ◽

Sophia Caroline Bittinger ◽

Matthias Rebber ◽

Malte Behrens ◽

...

Keyword(s):

Gold Nanoparticles ◽

Volatile Organic Compounds ◽

Organic Compounds ◽

Chemical Sensors ◽

Pressure Sensors ◽

Static Deflection ◽

Frequency Shifts ◽

Electrostatically Actuated ◽

Highly Sensitive ◽

Volatile Organic

We present novel microelectromechanical chemical sensors for the detection of volatile organic compounds based on electrostatically actuated, nanometer-thin, freestanding membranes of organically cross-linked gold nanoparticles. The sensors employ quasi-static deflection amplitudes or resonance frequency shifts of the membranes as highly sensitive sensing signals and are capable of detecting analytes at concentrations down to the low ppm range. We show that the devices can further be utilized for analyte discrimination. Additionally, we demonstrate that freestanding GNP membranes can be used for the fabrication of highly sensitive resistive pressure sensors.

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Bio-Inspired Strategies for Improving the Selectivity and Sensitivity of Artificial Noses: A Review

Sensors ◽

10.3390/s20061803 ◽

2020 ◽

Vol 20 (6) ◽

pp. 1803 ◽

Cited By ~ 5

Author(s):

Charlotte Hurot ◽

Natale Scaramozzino ◽

Arnaud Buhot ◽

Yanxia Hou

Keyword(s):

Volatile Organic Compounds ◽

Organic Compounds ◽

Broad Spectrum ◽

High Performance ◽

Recent Progress ◽

Performance Criteria ◽

Public Security ◽

Volatile Organic ◽

Sensitivity And Selectivity ◽

New Applications

Artificial noses are broad-spectrum multisensors dedicated to the detection of volatile organic compounds (VOCs). Despite great recent progress, they still suffer from a lack of sensitivity and selectivity. We will review, in a systemic way, the biomimetic strategies for improving these performance criteria, including the design of sensing materials, their immobilization on the sensing surface, the sampling of VOCs, the choice of a transduction method, and the data processing. This reflection could help address new applications in domains where high-performance artificial noses are required such as public security and safety, environment, industry, or healthcare.

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