Conducting Polymers Application

Ziadan, Kareema M.

doi:10.5772/48316

Cited by 7 publications

(2 citation statements)

References 49 publications

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“…(a) Chemiresistor device structure; S, surface; I, interface with insulating substrate; C, contact. (b) Conducting polymer active layer in field-effect transistor (FET) (reproduced from Ref [17]…”

mentioning

confidence: 99%

Environmental Gas Sensors Based on Nanostructured Thin Films

Sureshkumar¹,

Dutta²

2020

Multilayer Thin Films - Versatile Applications for Materials Engineering

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Since the discovery of electron microscopes, nanomaterials and nanotechnology have been influencing academic and industrial research greatly for bringing out newer and better products with improved materials' properties. In the field of environmental gas sensors too, the demonstration of nanomaterials for sensing various gases has become a common practice. Environmental gas pollution has turned out to be a huge concern in the society due to the progress of civilization. The awareness of health hazard for different toxic/polluting gases and rectification measure by imposing stricter norms has prompted extensive research to develop efficient gas sensors to detect trace level of pollution from various sources. Thin film, ultrathin film, and nanostructure materials of metal oxide semiconductor, polymer, metal, carbon nanotube, graphene, etc. with or without sensitizers have been investigated for sensing various toxic gases. New device structures have been fabricated to achieve high sensitivity, selectivity, fast response, etc. The microstructure and thickness of film are found to influence the performance greatly. Various methods of preparations and mechanism of sensing are being explored. All these aspects and the challenges were discussed in this chapter.

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confidence: 99%

Environmental Gas Sensors Based on Nanostructured Thin Films

Sureshkumar¹,

Dutta²

2020

Multilayer Thin Films - Versatile Applications for Materials Engineering

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“…Since the conducting polymers also have applications in polymer solar cell, chemical sensors, chemiresistors, fieldeffect transistor (FET) sensors, corrosion protection etc. therefore having the indole unit and lanthanide element traces, these synthesized doped indole oligomers can also show these properties in great extent [25].…”

Section: Introductionmentioning

confidence: 92%

Photo-physical properties of lanthanides doped O-bridged conducting indole oligomer

Ameen¹,

Mishra²,

Tripathi³

et al. 2020

Karbala International Journal of Modern Science

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A Simple Route to Prepare Polypyrrole-Coated Filter Papers via Vapor Phase Polymerization and Their Gas Sensing Application

Majumdar

Sarmah

Mahanta

2020

ACS Appl. Polym. Mater.

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Vapor phase polymerization has been used for the synthesis of polypyrrole-coated filter paper (PPy-FP) using a simple experimental setup. In addition, we have doped the polymer-coated filter papers with hydrochloric acid (HCl), camphorsulfonic acid (CSA), and p-toluenesulfonic acid (PTSA) to prepare HCl-PPy-FP, CSA-PPy-FP, and PTSA–PPy-FP, respectively. These samples were characterized by scanning electron microscopy (SEM), thermogravimetric analysis (TGA), attenuated total reflectance–Fourier transform infrared spectroscopy (ATR-FTIR), energy dispersive X-ray (EDX) analysis, and powder X-ray diffraction (PXRD) techniques. The prepared PPy-coated filter papers have been used for ammonia vapor sensing studies at room temperature. The sensing device of the hybrid filter papers was developed by pasting Cu strips as electrodes. It has been observed that doping enhances the conductivity from 1.78 × 10–5 to 3.34 × 10–5 S/cm. The sensing performance also improved on doping, and among the developed sensors, HCl-PPy-FP shows the best result. The limit of detection (LOD) value for PPy-FP is found to be 13 ppm, which has been improved up to 5.2 ppm for HCl-PPy-FP. Doping increases the delocalization along the PPy chain to generate more active sites. The fabricated devices are flexible, easy to handle, and cost-effective.

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Conducting Polymers Application

Cited by 7 publications

References 49 publications

Environmental Gas Sensors Based on Nanostructured Thin Films

Environmental Gas Sensors Based on Nanostructured Thin Films

Photo-physical properties of lanthanides doped O-bridged conducting indole oligomer

A Simple Route to Prepare Polypyrrole-Coated Filter Papers via Vapor Phase Polymerization and Their Gas Sensing Application

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