Abstract
Chemical materials are sometimes harmful to the environment as well as humans, plants, and animals. Thus, high-performance sensor systems have become more important in the past few decades. To achieve pH scale sensing in nanosystems, we applied luminescence polymer nanowires with alumina oxide template method with electrochemical polymerization. We made polymer nanowire barcode by alternately stacking poly(3-methylthiophene) (P3MT) and poly(3,4-ethylenedioxythiophene) (PEDOT) in a nanoporous template. After polymerization, a hydrofluoric acid solvent was used to remove the template, and, for changing the pH scale, we used sodium hydroxide. We measured optical properties of each part of barcode using Raman scattering and photoluminescence and confirmed that only P3MT was changed by alkali treatment.
Highlights
One-dimensional (1D) nanomaterials have specific properties compared to their bulk or thin film counterpart materials [1,2,3,4]
We suggest that the discrete luminescence intensities and colors indicative of the P3MT and PEDOT NCs in the single barcode-NWs could introduce various encoding and decoding patterns
We suggest that discrete luminescence colors due to the P3MT and PEDOT NWs in the single barcode
Summary
One-dimensional (1D) nanomaterials have specific properties compared to their bulk or thin film counterpart materials [1,2,3,4]. Combining the significantly enhanced electrical and optical properties of individual nanomaterials is a challenge task; hybrid nanomaterials would be suitable for developing optoelectronic devices and sensors. Polymeric π-conjugated compounds have been widely explored owing to their novel electrical and optical properties. These fascinating properties allow for various technological applications, such as organic light-emitting diodes (OLEDs), organic field-effect transistors (OFETs), organic photovoltaic cells (OPVCs), electrochromic devices, field emission displays, and actuators [5,6,7,8,9,10,11]. A π-conjugated polymer is a good candidate for use in developing bio/chemical sensor because of its electrical and optical capability Facile and reliable methods for the detection of biological/chemical substances are important for scientific research due to their substantial application in sensor development.
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