Abstract Zinc(II)-coordinated metallo-supramolecular polymers offer a unique material base for optoelectronic device design and construction. The study and characterization of the fundamental properties of Zn-based metallo-supramolecular polymers are essential to unlocking the broad potential of these materials for polymer light-emitting device (PLED) construction. In this work, we, therefore, used advanced methods to describe the electronic and transport properties of the material 2,5-bis(2,2′:6′,2″-terpyridine-4′-yl)thieno[3,2-b]thiophene complexed by Zn(II) ions. The optoelectronic properties of the material were characterized using spectroscopic methods. Finally, a demonstration functional diode with an active emission layer made of the investigated material was prepared.

In a more than 100-times cited article published in Chem. Eur. J. in 2008 (reference [4]), 2,2´:6´2´´-terpyridine (tpy) has been reported to be a "highly selective colorimetric aqueous sensor for mercury." Verification of this message reveals that the key data and claims reported in the article [4] do not agree with reality. In aqueous DMSO, the reaction of HgII compounds with tpy does not produce the pink species [Hg(tpy)2]2+, but white (colorless) products with limited solubility, uncertain stoichiometry and thus structure, and zero use in colorimetry. The color and spectra assigned in the article [4] to HgII/tpy systems actually exhibit systems FeII/tpy, so that tpy can potentially serve as a colorimetric aqueous sensor for FeII ions with the naked-eye detection limit of 1·10-6 mol/L. Practically only FeII mono-tpy species are present in solutions in DMSO(aq) of conc. at least up to the 10-2 mol/L.

In this study, we present a new synthetic approach to obtain trimethoxysilylazachalcones, a family of donor-acceptor chromophores exhibiting strong intramolecular charge-transfer behavior. Their distinct optical features, validated through comprehensive spectroscopic analysis and theoretical modeling, make them promising candidates for advanced functional applications. To harness and further enhance their photophysical potential, the chromophores were covalently anchored onto plasmonic gold nanoshells (NSs), forming hybrid nanostructures engineered for enhancing excited state processes through plasmon-molecule interactions. Femtosecond transient absorption spectroscopy revealed pronounced differences in the excited-state dynamics between the free and hybrid systems. While several plasmon-related processes, such as local electromagnetic-field enhancement, hot-electron transfer to the molecular LUMO, and the suppression of non-radiative decay through restricted molecular mobility and strong interfacial electronic coupling-are possible, we believe that the dominant contribution in our measurements arises from nanoparticle heating and its resulting thermal response. The results underscore the potential of such plasmon-enhanced hybrid materials in technologies where control over excited-state dynamics is essential. Applications span photonic devices, optical sensors, and light-triggered biomedical tools such as photodynamic therapy and high-resolution bioimaging, where prolonged excited-state lifetimes can directly translate into improved functionality and sensitivity.

The correct use of IUPAC terminology can facilitate clarity in scientific publications, litigation, and education. This document summarizes IUPAC's recommendations for polymer terminology. In the version attached in the Supplementary Information, hyperlinks lead to the original source material, and screen-tips give the definitions as published by IUPAC.

The memristive behaviour of metallosupramolecular polymer, formed by coordination self-assembly of a ditopic 9,10-bis(tpy)anthracene ligand with Co 2+ salts, depends on the nature of counterions, with acetate ions demonstrating the best memory effect.

The aggregation behavior of π-conjugated molecules critically influences their excited-state dynamics and thus their performance in optoelectronic applications [...]

This study presents a comparative investigation of ultrafast photophysical processes in thin films of eosin Y (EY) and palladium (II) octaethylporphyrin (PdOEP) as triplet sensitizers, combined with bis(terpyridine-4′-yl)terthiophene (T) as an annihilator [...]

The IUPAC Subcommittee on Polymer Education has been pursuing the development of a compact syllabus covering the essential topics required for a tertiary education in polymer science, with numerical and short answer exercises addressing each topic. The primary goal of the document is to provide a framework for a complete course made freely available worldwide so that any educator can implement a professionally-curated course in polymer science for their students without needing expensive textbooks or reliable internet access. An important secondary goal is to popularize the use of approved IUPAC terminology in polymer science by using it consistently throughout the document and providing references to IUPAC source documents. Professor Melissa Chin Han Chan was an active and enthusiastic participant in the project who played a significant role in its design and implementation. The late Professor Richard 'Dick' Jones also had a keen interest in the project and had a great influence on its direction and structure. This brief note is dedicated to these two illustrious polymer scientists.

Polyacetylenes (PAs) are among the fundamental semiconducting polymers, but interest in them is currently waning due to the low stability under the workload of electronic devices made from them. Knowledge about the effect of substituents, additives, and fillers on the electronic structure of PA, which is closely related to the stability of these materials and related devices, is not at the required level either. This study deals with an air-stable PA, poly{1-[4-(trimethylsilyl)phenyl]-2-phenylacetylene} (PTMSDPA), and its composites with SiO2 insulating nanoparticles and ZnO semiconducting nanoparticles. The electronic structures of these materials are analyzed by using energy-resolved electrochemical impedance spectroscopy (ER-EIS) and electron spectroscopic methods. The materials are used to construct electroluminescent diodes, the characteristics of which are presented. The results obtained demonstrate the positive effect of nanoparticle fillers on current efficiency and luminance (up to 182 cd/m(2), comparable to current displays) as well as on the stability and lifespan of the diodes with an active layer based on PTMSDPA nanocomposites compared to pure PTMSDPA.

The title compound, unimer U (tpy stands for 2,2′:6′,2″-terpyridin-4′-yl end-group), by itself shows the memristor effect with a retention time of 18 h and persistence of 11 h. Its coordination copolymer with Co(II) ions, [CoU]n, exhibits multimodal resistance changes similar to the synaptic responses observed in biological systems. More than 320 cycles of potentiation and depression measured in continuous sequence occurred without observing a significant current change, confirming the operational stability and reproducibility of the device based on the [CoU]n polymer. The synaptic effect of a device with an indium tin oxide (ITO)/[CoU]n/top-electrode (TE) configuration is more pronounced for the device with TE = Au compared to devices with TE = Al or Ga. However, the latter TEs provide a cost-effective approach without any significant compromise in device plasticity. The detected changes in the synaptic weight, about 12% for pair-pulse facilitation and 80% for its depression, together with a millisecond trigger and reading pulses that decay exponentially on the time scale typical of neurosynapses, justify the device’s ability to learn and memorize. These properties offer potential applications in neuromorphic computation and brain-inspired synaptic devices.

These recommendations are specifically for polymers and polymer systems showing a significant response to an electromagnetic field or one of its components (electric field or magnetic field), i.e., for electromagnetic-field-responsive polymer materials. The structures, processes, phenomena and quantities relating to this interdisciplinary field of materials science and technology are herein defined. Definitions are unambiguously explained and harmonized for wide acceptance by the chemistry, physics, polymer and materials science communities. A survey of typical electromagnetic-field-responsive polymers is included.

These recommendations are specifically for polymers and polymer systems showing a significant response to an electromagnetic field or one of its components (electric field or magnetic field), i.e., for electromagnetic-field-responsive polymer materials. The structures, processes, phenomena and quantities relating to this interdisciplinary field of materials science and technology are herein defined. Definitions are unambiguously explained and harmonized for wide acceptance by the chemistry, physics, polymer and materials science communities. A survey of typical electromagnetic-field-responsive polymers is included.

These recommendations are specifically for polymers and polymer systems showing a significant response to an electromagnetic field or one of its components (electric field or magnetic field), i.e., for electromagnetic-field-responsive polymer materials. The structures, processes, phenomena and quantities relating to this interdisciplinary field of materials science and technology are herein defined. Definitions are unambiguously explained and harmonized for wide acceptance by the chemistry, physics, polymer and materials science communities. A survey of typical electromagnetic-field-responsive polymers is included.

These recommendations are specifically for polymers and polymer systems showing a significant response to an electromagnetic field or one of its components (electric field or magnetic field), i.e., for electromagnetic-field-responsive polymer materials. The structures, processes, phenomena and quantities relating to this interdisciplinary field of materials science and technology are herein defined. Definitions are unambiguously explained and harmonized for wide acceptance by the chemistry, physics, polymer and materials science communities. A survey of typical electromagnetic-field-responsive polymers is included.

These recommendations are specifically for polymers and polymer systems showing a significant response to an electromagnetic field or one of its components (electric field or magnetic field), i.e., for electromagnetic-field-responsive polymer materials. The structures, processes, phenomena and quantities relating to this interdisciplinary field of materials science and technology are herein defined. Definitions are unambiguously explained and harmonized for wide acceptance by the chemistry, physics, polymer and materials science communities. A survey of typical electromagnetic-field-responsive polymers is included.

These recommendations are specifically for polymers and polymer systems showing a significant response to an electromagnetic field or one of its components (electric field or magnetic field), i.e., for electromagnetic-field-responsive polymer materials. The structures, processes, phenomena and quantities relating to this interdisciplinary field of materials science and technology are herein defined. Definitions are unambiguously explained and harmonized for wide acceptance by the chemistry, physics, polymer and materials science communities. A survey of typical electromagnetic-field-responsive polymers is included.

These recommendations are specifically for polymers and polymer systems showing a significant response to an electromagnetic field or one of its components (electric field or magnetic field), i.e., for electromagnetic-field-responsive polymer materials. The structures, processes, phenomena and quantities relating to this interdisciplinary field of materials science and technology are herein defined. Definitions are unambiguously explained and harmonized for wide acceptance by the chemistry, physics, polymer and materials science communities. A survey of typical electromagnetic-field-responsive polymers is included.

These recommendations are specifically for polymers and polymer systems showing a significant response to an electromagnetic field or one of its components (electric field or magnetic field), i.e., for electromagnetic-field-responsive polymer materials. The structures, processes, phenomena and quantities relating to this interdisciplinary field of materials science and technology are herein defined. Definitions are unambiguously explained and harmonized for wide acceptance by the chemistry, physics, polymer and materials science communities. A survey of typical electromagnetic-field-responsive polymers is included.