- Advanced Sensor and Energy Harvesting Materials
- Dielectric materials and actuators
- Synthesis and properties of polymers
- Epoxy Resin Curing Processes
- Conducting polymers and applications
- Advanced Cellulose Research Studies
- Electrowetting and Microfluidic Technologies
- Ferroelectric and Piezoelectric Materials
- Recycling and Waste Management Techniques
- Silicone and Siloxane Chemistry
- Advanced Materials and Mechanics
- Polymer Nanocomposites and Properties
- Biosensors and Analytical Detection
- Electron and X-Ray Spectroscopy Techniques
- Advanced Chemical Sensor Technologies
- Inorganic and Organometallic Chemistry
- Advanced Fiber Optic Sensors
- Innovative Energy Harvesting Technologies
- Tribology and Wear Analysis
- Analytical Chemistry and Sensors
- Advancements in Photolithography Techniques
- Polymer Nanocomposite Synthesis and Irradiation
- Plasmonic and Surface Plasmon Research
- Synthetic Organic Chemistry Methods
- Electrohydrodynamics and Fluid Dynamics
University of Catania
2014-2024
University of Naples Federico II
2020
Istituto di Chimica Biomolecolare
1992-1995
Abstract Smart systems adapt to the surrounding environments in a number of ways. They are capable scavenge energy from available sources, sense and elaborate external stimuli adequately react. Electro Active Polymers playing main role realization smart for applications if fields such as bio inspired autonomous robotics, medicine, aerospace. This paper focus on possibility use Ionic Polymer Metal Composites class materials relevant post silicon systems. The three aspects this new technology,...
In this paper a low cost CO2 sensor realized on plastic substrate is presented. The by the deposition of double layer PEDOT/PSS (CLEVIOS™ PHCV4, H.C. Starck) and Graphene InterDigiTed electrodes printed onto PET (PolyEthylene Terephthalate) substrate. have been inkjet printing conductive pattern silver nano-particle solution (Metalon® JS-B15P Novacentrix), through commercial EPSON® printer. sensing principle exploits change in electrical conductivity graphene due to gas molecules adsorbtion....
The diffusion of electronics in everyday life requires for the development sensing systems, based on new materials and technologies. Deformation sensors are interest many application fields, ranging from assisted rehabilitation, virtual reality augmented reality, gaming applications, juts to mention a few. low-cost systems outlines need environmentally friendly sensors. Cellulose is one most abundant earth. Eventually, it green, cheap, flexible. In this article, deformation properties...
Biochar is defined as a solid material derived from the thermochemical degradation of biomass and has been proposed for many applications. A source biochar production represented by branch wood forestry or fruit crop byproduct. Wood-derived cathode metal-air batteries replacing other non-environmentally friendly non-renewable materials. The electrocatalytic activity carbonaceous materials depends on structural chemical characteristics raw materials, which can be preserved during pyrolysis...
Abstract Electroactive polymers are materials that change their properties (e.g. size and shape) while stimulated by an electric field/current. Conversely, they produce electrical signal if bent. As both actuators sensors, considered attractive for various applications, e.g. in biomedicine robotics. Self‐sensing made of these still a topic great interest among researchers. This paper proposes new self‐sensing ionic polymer–metal composite (IPMC) actuating device. By specially patterning the...
A new class of materials called ionic polymer-polymer composites has been investigated to demonstrate the sensing and acting capabilities these all-organic structures. Samples have realized by covering Nafion membranes, with Orgacon 3040 conducting polymer as electrode material. Membranes whose electrodes were manufactured using drop-casting technique exhibited best electromechanical performances. Sensors tested in a dedicated experimental setup model their transduction behavior. Thus,...
In this papers the possibility of realizing fractional capacitors by using carbon black nanostructured dielectrics is investigated. Capacitors have been realized varying percentage distributed black. The frequency analysis has been, therefore, performed. Bode diagrams outline that class devices shows a non integer order behavior. Moreover, dependance between curing temperature and shown.
In this paper, an environmentally friendly inertial sensor is proposed and characterized. The has been realized by using bacterial cellulose, impregnated ionic liquids, covered conducting polymers, as the electrodes. composite mechano-electric transduction capabilities, which are exploited for realizing a generating sensor. More specifically, system mounted in cantilever configuration used sensing anchor acceleration. Results of chemical characterization accelerometer reported paper.
A key issue for the success of IoT, industry 4.0 and precision agriculture is development sensors based on new materials technologies. In particular, which are environmentally friendly low cost interest. Cellulose one most abundant material earth. Eventually, it green, cheap presents several intriguing mechanical electrical properties. this paper sensing properties an all-polymeric composite, realized by using bacterial cellulose, organic conductors ionic liquids investigated. More...
In several application fields, plasmonic sensor platforms combined with bio-receptors are intensively used to obtain biosensors. Most of these commercial devices based on a disposable chip. Usually gold chip, functionalized specific bio-receptor, inside costly system, is used. this work, we propose low-cost and small-size for monitoring an innovative optical waveguide made bacterial cellulose (BC). particular, have sputtered the green slab that able excite localized surface plasmon resonance...
A series of new poly(arylene ether 1,3,4-oxadiazole)s has been prepared by nucleophilic displacement aromatic dihalides with potassium bisphenates in diphenyl sulfone at elevated temperatures. The polymers, characterized elemental and infrared analysis, GPC, wide-angle X-ray diffraction, had inherent viscosity from 0.3 to 0.7 dL/g, were obtained yields higher than 85%, show good solubility various organic solvents, excellent thermal stability as shown 10% weight loss temperatures nitrogen...
Samples of poly(ethylene-iso/terephthalate)-perfluoro polyether multiblock copolymers with perfluoropolyether (PFPE) segments different lengths have been characterized for surface composition by XPS and angular dependent in order to determine the influence length PFPE blocks on segregation fluorine moieties. The results indicated that there was a high excess when had molecular weight (MW) 2200; bulk content about 8%, amount at 94 wt %. When MW 3400 or 1200, same showed more limited (about 46...
Ionic polymer metal composites (IPMCs) belong to electroactive polymers (EAPs) and have been suggested for various applications due their light weight the fact that they react mechanically when stimulated by an electrical signal vice versa. Thick IPMCs (3D-IPMCs) fabricated hot pressing several Nafion® 117 films. Additional post-processes (more cycles of Pt electroless plating dispersing agents) applied improve 3D-IPMC performance. The electromechanical response 3D-IPMCs has examined...
Ionic polymer–polymer composites (IP2Cs) are a novel class of all-organic electroactive polymers that can operate both as electromechanical actuators and sensors. They an evolution ionic polymer–metal (IPMCs), since the metallic layers, used to realize electrodes, substituted by using organic conductors based on PEDOT:PSS.
Ionic polymer composites (IP2Cs) are all-organic electroactive polymers (EAPs) that show sensing and actuation capabilities when a deformation or voltage is applied, respectively. They fabricated starting from an ionic coated on both sides with conducting as electrode element. In this work, poly(3,4-ethylendioxytiophene)–poly-(styrenesulfonate) (PEDOT/PSS) has been polymerized directly Nafion®117 membrane devices have manufactured varying the polymerization time. Water ethylene glycol (EG)...
Ionic polymer–metal composites (IPMCs) are electroactive polymers that can be used both as sensors and actuators. They have been demonstrated for many potential applications, in wet underwater environments. Applications fields such biomimetics, robotics, aerospace, just to mention a few, proposed. In this paper, the sensing nature of IPMCs is develop flowmeter based on vortex shedding phenomenon. The system described, model proposed verified. A setup has realized, data acquired working...