Conjugated polymer-based smart composites for optoelectronics and energy applications

Being abundant as natural intelligence, plants have attracted huge attention from researchers. Soft film sensors present a novel and promising approach to connect plants with artificial devices, helping us to investigate plants’ intelligence further. Here, recent developments for micro/nano soft film sensors that can be used for establishing intelligent plant systems are summarized, including essential materials, fabrications, and application scenarios. Conductive metals, nanomaterials, and polymers are discussed as basic materials for active layers and substrates of soft film sensors. The corresponding fabrication techniques, such as laser machining, printing, coating, and vapor deposition, have also been surveyed and discussed. Moreover, by combining soft film sensors with plants, applications for intelligent plant systems are also investigated, including plant physiology detection and plant-hybrid systems. Finally, the existing challenges and future opportunities are prospected.

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Micro/Nano Soft Film Sensors for Intelligent Plant Systems: Materials, Fabrications, and Applications

Qin

Chai

Zong

et al. 2023

Chemosensors

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Gold Nanoparticles Modulate Excimer and Exciplex Dynamics of PDDCP-Conjugated Polymers

Ibnaouf,

Alsadig,

Idriss

et al. 2024

Polymers

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How plasmonic nanostructures modulate the behavior of exciplexes and excimers within materials remains unclear. Thus, advanced knowledge is essential to bridge this gap for the development of optoelectronic devices that leverage the interplay between plasmonic and conjugated polymer hybrid materials. Herein, this work aims to explore the role of gold nanoparticles (AuNPs) in modulating exciplex and excimer states within the conjugated polymer poly(2,5-di(3,7-dimethyloctyloxy) cyanoterephthalylidene) (PDDCP), known for its photoluminescent and semi-conductive properties, aiming to create innovative composite materials with tailored optical features. The spectral analysis was conducted to investigate the effects of AuNPs on the PDDCP, varying AuNP volume percentages to measure changes in the absorption profile, molar extinction coefficient (ε), absorption cross-section (σa), and optical bandgap (Eg). Fluorescence spectra of the mixture at different volume ratios were also examined to assess exciplex formation, while amplified spontaneous emission (ASE) profiles were analyzed to study the behavior and photochemical stability of the polymer–NP hybrid material. Increasing AuNP volume induced both blue and red shifts in the absorption profile of the PDDCP. Higher AuNPs concentrations correlated with decreased ε and σa, inversely impacting Eg. The emission spectra obtained at varied AuNP volume ratios indicated significantly enhanced exciplex and excimer formations. The ASE profiles remained consistent but showed reduced intensity with increasing AuNPs concentrations, indicating their influence on hybrid material behavior and stability. The findings suggest that AuNPs affect PDDCP’s optical characteristics, altering the absorption profile, bandgap, and fluorescence spectra. Furthermore, the observed reduction in ASE intensity highlights their influence on the behavior and photochemical stability of the hybrid material. These results contribute to a better understanding of the versatile applications of plasmonic-conjugated hybrid polymers.

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Polymer Nanocomposites

Thakur

2022

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Polymer nanocomposites are a crucial category of materials used in packaging, sports equipment, the automobile sector, and bioengineering applications due to their unique properties and distinctive design feasibility. They have also been extensively used as sorbents to extract pollutants from environmental waters before their final instrumental analysis. Several materials have been found to exhibit exceptional properties – e.g., strength, stiffness, electrical and thermal conductivity. These can be adapted to a given analytical problem by selecting the polymer/nanomaterial combination adequately. Nanocomposites have become a part of various research ventures owing to their promising potential for various environmental applications and issues and their high versatility. This article intends to scrutinize and briefly describe the essential aspects and developments related to polymer nanocomposites.

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Conjugated polymer-based smart composites for optoelectronics and energy applications

Cited by 3 publications

References 53 publications

Micro/Nano Soft Film Sensors for Intelligent Plant Systems: Materials, Fabrications, and Applications

Micro/Nano Soft Film Sensors for Intelligent Plant Systems: Materials, Fabrications, and Applications

Gold Nanoparticles Modulate Excimer and Exciplex Dynamics of PDDCP-Conjugated Polymers

Polymer Nanocomposites

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