Pagona Papakonstantinou
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View article: Characterisation of a Biodegradable Electrode Substrate Based on Psyllium Husk–Carbon Nanoparticle Composites
Characterisation of a Biodegradable Electrode Substrate Based on Psyllium Husk–Carbon Nanoparticle Composites Open
Unrefined psyllium husk derived from Plantago ovata constitutes a complex mixture of water-soluble and insoluble polymeric chains that form an interpenetrating network capable of entrapping carbon nanoparticles. While the resulting composi…
View article: MAPI–MoS<sub>2</sub> quantum dot composite films as active layers for efficient photovoltaics
MAPI–MoS<sub>2</sub> quantum dot composite films as active layers for efficient photovoltaics Open
In this work we have incorporated MoS 2 quantum dots having outstanding optoelectronic properties with methyl ammonium lead iodide (MAPI) to form a composite absorber material for photovoltaic applications.
View article: Formamidinium lead iodide perovskite photovoltaics with MoS2 quantum dots
Formamidinium lead iodide perovskite photovoltaics with MoS2 quantum dots Open
We present the formation of a composite film made out of formamidinium lead iodide (FAPI) and molybdenum disulphide quantum dots (MoS 2 QDs) and propose a corresponding photovoltaic device architecture based on a ‘ type-I ’ alignment of th…
View article: Nose-on-Chip Nanobiosensors for Early Detection of Lung Cancer Breath Biomarkers
Nose-on-Chip Nanobiosensors for Early Detection of Lung Cancer Breath Biomarkers Open
Lung cancer remains a global health concern, demanding the development of noninvasive, prompt, selective, and point-of-care diagnostic tools. Correspondingly, breath analysis using nanobiosensors has emerged as a promising noninvasive nose…
View article: Decoupling Variable Capacitance and Diffusive Components of Active Solid–Liquid Interfaces with Flex Points
Decoupling Variable Capacitance and Diffusive Components of Active Solid–Liquid Interfaces with Flex Points Open
Understanding the current transport characteristics of electrode interfaces is essential for optimizing device performance across a wide range of applications including bio-/chemical sensing and energy storage sectors. Cyclic voltammetry (…
View article: Anthranilic Acid: A Versatile Monomer for the Design of Functional Conducting Polymer Composites
Anthranilic Acid: A Versatile Monomer for the Design of Functional Conducting Polymer Composites Open
Polyaniline has been utilized in various applications, yet its widespread adoption has often been impeded by challenges. Composite systems have been proposed as a means of mitigating some of these limitations, and anthranilic acid (2-amino…
View article: Improving the Through-Thickness Thermal Conductivity of Carbon Fiber/Epoxy Laminates by Direct Growth of SiC/Graphene Heterostructures on Carbon Fibers
Improving the Through-Thickness Thermal Conductivity of Carbon Fiber/Epoxy Laminates by Direct Growth of SiC/Graphene Heterostructures on Carbon Fibers Open
Poor thermal conductivity in the through-thickness direction is a critical limitation in the performance of carbon fiber-reinforced polymer (CFRP) composites over a broad range of applications in the aviation industry, where heat dissipati…
View article: Stable Chitosan and Prussian Blue-Coated Laser-Induced Graphene Skin Sensor for the Electrochemical Detection of Hydrogen Peroxide in Sweat
Stable Chitosan and Prussian Blue-Coated Laser-Induced Graphene Skin Sensor for the Electrochemical Detection of Hydrogen Peroxide in Sweat Open
Developing a noninvasive skin peroxide monitoring technology is highly desirable for managing a number of metabolic disorders associated with diabetes, pulmonary diseases, or other health conditions. To date, the majority of studies on per…
View article: Inhibition of corrosion causing Pseudomonas aeruginosa using plasma-activated water
Inhibition of corrosion causing Pseudomonas aeruginosa using plasma-activated water Open
Aims The cost of Microbiologically Influenced Corrosion (MIC) significantly affects a wide range of sectors. This study aims to assess the efficiency of a novel technology based on the use of plasma-activated water (PAW) in inhibiting corr…
View article: Effect of layered double hydroxide, expanded graphite and ammonium polyphosphate additives on thermal stability and fire performance of polyisocyanurate insulation foam
Effect of layered double hydroxide, expanded graphite and ammonium polyphosphate additives on thermal stability and fire performance of polyisocyanurate insulation foam Open
This work examines the effect of Layered Double Hydroxides (LDHs), Expandable Graphite (EG) and Ammonium Polyphosphate (APP) on the thermal stability and behaviour under fire conditions of polyisocyanurate (PIR) insulation foams. Virgin ma…
View article: Radially Grown Graphene Nanoflakes for Tough and Strong Carbon Fiber Epoxy Composites
Radially Grown Graphene Nanoflakes for Tough and Strong Carbon Fiber Epoxy Composites Open
A long-standing challenge in structural material design is the simultaneous attainment of high strength and toughness, a conflicting requirement rarely met in engineering materials, with important technological applications in aerospace, d…
View article: Paper-Based Electrochemical Biosensors for Voltammetric Detection of miRNA Biomarkers Using Reduced Graphene Oxide or MoS2 Nanosheets Decorated with Gold Nanoparticle Electrodes
Paper-Based Electrochemical Biosensors for Voltammetric Detection of miRNA Biomarkers Using Reduced Graphene Oxide or MoS2 Nanosheets Decorated with Gold Nanoparticle Electrodes Open
Paper-based biosensors are considered simple and cost-efficient sensing platforms for analytical tests and diagnostics. Here, a paper-based electrochemical biosensor was developed for the rapid and sensitive detection of microRNAs (miRNA-1…
View article: One-Step Hydrothermal Synthesis of Phase-Engineered MoS<sub>2</sub>/MoO<sub>3</sub> Electrocatalysts for Hydrogen Evolution Reaction
One-Step Hydrothermal Synthesis of Phase-Engineered MoS<sub>2</sub>/MoO<sub>3</sub> Electrocatalysts for Hydrogen Evolution Reaction Open
The development of suitable approaches for the synthesis of ultrathin transition-metal dichalcogenide (TMD) catalysts is required to engineer phases, intercoupling between different phases, in-plane defects, and edges and hence maximize th…
View article: Correction: Bismuthene nanosheets produced by ionic liquid assisted grinding exfoliation and their use for oxygen reduction reaction
Correction: Bismuthene nanosheets produced by ionic liquid assisted grinding exfoliation and their use for oxygen reduction reaction Open
Correction for ‘Bismuthene nanosheets produced by ionic liquid assisted grinding exfoliation and their use for oxygen reduction reaction’ by Manila Ozhukil Valappil et al., RSC Adv., 2020, 10, 43585–43591, DOI: 10.1039/D0RA09763B.
View article: Enhanced out of Plane Electrical Conductivity in Polymer Composites Induced by CO2 Laser Irradiation of Carbon Fibers
Enhanced out of Plane Electrical Conductivity in Polymer Composites Induced by CO2 Laser Irradiation of Carbon Fibers Open
The creation of a hierarchical interface between the carbon fiber (CF) and the epoxy resin matrix of fiber-reinforced polymer (CFRP) composites has become an effective strategy for introducing multifunctional properties. Although the effic…
View article: Enhancement of critical current density in helium ion irradiated Ba(Fe, Co) <sub>2</sub> As <sub>2</sub> thin films
Enhancement of critical current density in helium ion irradiated Ba(Fe, Co) <sub>2</sub> As <sub>2</sub> thin films Open
The effect of 600 keV He + ion irradiation on the temperature and magnetic field dependence of the critical current density J C in high quality BaFe 1.84 Co 0.16 As 2 (Co-doped Ba122 type) thin films is investigated. The films are prepared…
View article: Multifunctional Structural Supercapacitor Based on Urea-Activated Graphene Nanoflakes Directly Grown on Carbon Fiber Electrodes
Multifunctional Structural Supercapacitor Based on Urea-Activated Graphene Nanoflakes Directly Grown on Carbon Fiber Electrodes Open
Structural energy storage systems offer both load bearing and electrochemical energy storage capabilities in a single multifunctional platform. They are emerging technologies for modern air and ground transportation vehicles, promising con…
View article: Radially Grown Graphene Nanoflakes on Carbon Fibers as Reinforcing Interface for Polymer Composites
Radially Grown Graphene Nanoflakes on Carbon Fibers as Reinforcing Interface for Polymer Composites Open
The development of nanoscale reinforcements, which can tailor the interfacial strength and impart multiple functionalities on carbon fiber reinforced polymer (CFRP) composites, remains a challenge for their large-scale adoption in diverse …
View article: Bismuthene nanosheets produced by ionic liquid assisted grinding exfoliation and their use for oxygen reduction reaction
Bismuthene nanosheets produced by ionic liquid assisted grinding exfoliation and their use for oxygen reduction reaction Open
Bismuthene nanosheets were synthesized by ionic liquid assisted grinding exfoliation. Solvent evaporation led to the formation of self-assembled nanospherules. The electron rich edges of the nanosheets enhanced the oxygen reduction reactio…
View article: Organic Solvent Based Synthesis of Gold Nanoparticle−Semiconducting 2H-MoS<sub>2</sub> Hybrid Nanosheets
Organic Solvent Based Synthesis of Gold Nanoparticle−Semiconducting 2H-MoS<sub>2</sub> Hybrid Nanosheets Open
The development of simple, versatile strategies for the synthesis of gold\nnanoparticles (AuNPs) on semiconducting transition metal dichalcogenides (TMDC)\nlayers is of increasing scientific and technological interest in\nphotocatalysis, o…
View article: Sensitive Chronocoulometric Detection of miRNA at\nScreen-Printed Electrodes Modified by Gold-Decorated MoS<sub>2</sub> Nanosheets
Sensitive Chronocoulometric Detection of miRNA at\nScreen-Printed Electrodes Modified by Gold-Decorated MoS<sub>2</sub> Nanosheets Open
Developing novel simple and ultrasensitive\nstrategies for detecting\nmicroRNAs (miRNAs) is highly desirable because of their association\nwith early cancer diagnostic and prognostic processes. Here a new\nchronocoulometric sensor, based o…