A Conductive Polymer Nanowire Including Functional Quantum Dots Generated Via Pulsed Laser Irradiation for High-sensitivity Sensor Applications

Overview

Journal Sci Rep

Specialty Science

Date 2021 May 28

PMID 34045531

Citations 1

Authors

Michiko Sasaki

Masahiro Goto

Affiliations

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Abstract

The fabrication of functional conductive polymer nanowires (CPNWs), including ultrahigh-sensitive flexible nanosensors has attracted considerable attention in field of the Internet of Things. However, the controllable and space-selective growth of CPNWs remains challenging, and a novel synthetic technique is required. Herein, we demonstrate the synthesis of space-selective CPNWs that include quantum dots (QDs) with changeable optical properties via single-pulse laser irradiation in air at atmospheric pressure. Time-resolved shadowgraphy was applied to monitor the synthetic process of the CPNWs and optimise the process conditions. The electrical conductivity of the CPNWs with QDs (QD-CPNWs) was analysed in the presence and absence of light irradiation and was found to change drastically (over six times) under light irradiation. QD-CPNW synthesis under laser irradiation shows great potential for fabricating highly photosensitive functional nanomaterials and is expected to be applied in the production of ultrahigh-sensitive photosensors in the future.

Citing Articles

Fundamentals and comprehensive insights on pulsed laser synthesis of advanced materials for diverse photo- and electrocatalytic applications.

Theerthagiri J, Karuppasamy K, Lee S, Shwetharani R, Kim H, Pasha S Light Sci Appl. 2022; 11(1):250.

PMID: 35945216 PMC: 9363469. DOI: 10.1038/s41377-022-00904-7.

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