A shape tailored gold-conductive polymer nanocomposite as a transparent electrode with extraordinary insensitivity to volatile organic compounds (VOCs)

Abstract

In this study, the transparent conducting polymer of poly (3,4-ethylenendioxythiophene): poly(styrene sulphonate) (PEDOT:PSS) was nanohybridized via inclusion of gold nanofillers including nanospheres (NSs) and nanorods (NRs). Such nanocomposite thin films offer not only more optimum conductivity than the pristine polymer but also excellent resistivity against volatile organic compounds (VOCs). Interestingly, such amazing properties are achieved in the diluted regimes of the nanofillers and depend on the characteristics of the interfacial region of the polymer and nanofillers, i.e. the aspect ratio of the latter component. Accordingly, a shape dependent response is made that is more desirable in case of using the Au nanorods with a much larger aspect ratio than their nanosphere counterparts. This transparent nanocomposite thin film with an optimized conductivity and very low sensitivity to organic gases is undoubtedly a promising candidate material for the touch screen panel production industry. Considering PEDOT as a known material for integrated electrodes in energy saving applications, we believe that our strategy might be an important progress in the field.

Effect of Gold Nanoparticles on the Physical Properties of Poly (3,4-ethylenendioxythiophene): Poly(styrene sulphonate) and its Gas Sensor Application

“…The calculated value of  for the pristine PEDOT-PSS was 5.8 (S/cm) as reported in a previous work of the author [28] which was improved in case of Au NSs addition as illustrated in Table 2. PSS is an insulating material that interrupts the flux of charge carriers through the conductive PEDOT chains.…”

Solar Aluminum Kitchen Foils with Omnidirectional Vivid Polarizonic Colors

“…The Brewster wavelength effect, we introduced recently as a means for sensing the net polarity of a plasmonic composite, acts through the dipolar interaction between the excited dipoles and the host matrix. Such an interaction governs a net dipole moment at the interface based on the interfacial polarizability effect …”

An Overview of the Water Remediation Potential of Nanomaterials and Their Ecotoxicological Impacts

“…Nanocomposite membranes comprising a thin polymeric film surface decorated or incorporated with nanofillers are a distinguished class of membranes able to dynamically purify water. Composite materials possess a favorable package of properties that are derived from a combination of encompassing medium's and filler's properties [26][27][28][29][30][31][32][33][34][35][36]. These properties are not restricted to the classic and predefined ones, rather new properties and functionalities arise, especially, when the filler's dimensions lie in the nanoscale.…”