A5014796925- Conducting polymers and applications
- Organic Electronics and Photovoltaics
- Analytical Chemistry and Sensors
- Semiconductor materials and interfaces
- Semiconductor materials and devices
- Advanced Semiconductor Detectors and Materials
- Advanced Sensor and Energy Harvesting Materials
- Radiation Detection and Scintillator Technologies
- Perovskite Materials and Applications
- Thin-Film Transistor Technologies
- Semiconductor Quantum Structures and Devices
- Advanced Memory and Neural Computing
- Silicon and Solar Cell Technologies
- Chalcogenide Semiconductor Thin Films
- Integrated Circuits and Semiconductor Failure Analysis
- Luminescence Properties of Advanced Materials
- Neuroscience and Neural Engineering
- Ga2O3 and related materials
- Silicon Nanostructures and Photoluminescence
- Advanced X-ray and CT Imaging
- Electrochemical sensors and biosensors
- Gas Sensing Nanomaterials and Sensors
- GaN-based semiconductor devices and materials
- Advanced Chemical Sensor Technologies
- Machine Learning in Materials Science
University of Bologna
2016-2025
Istituto Nazionale di Fisica Nucleare, Sezione di Bologna
1994-2025
Istituto Nazionale di Fisica Nucleare
2019-2025
Osservatorio astronomico di Bologna
2019-2023
National Interuniversity Consortium for the Physical Sciences of Matter
2006-2011
University of Catania
2002
Istituto Nazionale per la Fisica della Materia
1996-2001
University of Padua
1995-1997
Istituto Nazionale di Fisica Nucleare, Sezione di Padova
1995
Tuning the energy levels of halide perovskite by controlling deposition dipolar self-assembled monolayers.
Abstract The dissemination of sensors is key to realizing a sustainable, ‘intelligent’ world, where everyday objects and environments are equipped with sensing capabilities advance the sustainability quality our lives—e.g. via smart homes, cities, healthcare, logistics, Industry 4.0, precision agriculture. realization full potential these applications critically depends on availability easy-to-make, low-cost sensor technologies. Sensors based printable electronic materials offer ideal...
Electrode arrays that interface with peripheral nerves are used in the diagnosis and treatment of neurological disorders; however, they require complex placement surgeries carry a high risk nerve injury. Here we leverage recent advances soft robotic actuators flexible electronics to develop highly conformable cuffs combine electrochemically driven conducting-polymer-based low-impedance microelectrodes. Driven applied voltages as small few hundreds millivolts, these allow active grasping or...
The deep levels present in semiconducting CdTe and semi-insulating CdTe:Cl Cd0.8Zn0.2Te have been investigated by means of cathodoluminescence, level transient spectroscopy (DLTS), photo-induced current spectroscopy, photo-DLTS. latter two methods, which can be applied to materials, allow characterize the traps located up midgap determine whether they are hole or electron traps. We identified 12 different traps, some common all samples, peculiar one them. A comparison results obtained from...
To evaluate a novel kind of textile electrodes based on woven fabrics treated withPSS, through an easy fabrication process, testing these for biopotential recordings.Fabrication is raw fabric soaking inPSS using second dopant, squeezing and annealing. The have been tested human volunteers, in terms both skin contact impedance quality the ECG signals recorded at rest during physical activity (power spectral density, baseline wandering, QRS detectability, broadband noise).The are able to...
The development of wearable chemical sensors is receiving a great deal attention in view non-invasive and continuous monitoring physiological parameters healthcare applications. This paper describes the fully textile, sensor based on an organic electrochemical transistor (OECT) entirely made conductive polymer (PEDOT:PSS). active patterns are deposited into fabric by screen printing processes, thus allowing device to actually “disappear” it. We demonstrate reliability proposed textile OECTs...
Abstract An all PEDOT:PSS Organic Electrochemical Transistor (OECT) has been developed and used for the selective detection of dopamine (DA) in presence interfering compounds (ascorbic acid, AA uric UA). The response implemented using a potentiodynamic approach, by varying operating gate voltage scan rate. trans-conductance curves allow to obtain linear calibration plot AA, UA DA separate redox waves associated each compound; this purpose, rate is an important parameter achieve good...
Abstract The application of organic electronic materials for the detection ionizing radiations is very appealing thanks to their mechanical flexibility, low-cost and simple processing in comparison inorganic counterpart. In this work we investigate direct X-ray photoconversion process thin film photoconductors. devices are realized by drop casting solution-processed bis-(triisopropylsilylethynyl)pentacene (TIPS-pentacene) onto flexible plastic substrates patterned with metal electrodes; they...
Conducting polymers are promising materials for tissue engineering applications, since they can both provide a biocompatible scaffold physical support of living cells, and transmit electrical mechanical stimuli thanks to their conductivity reversible doping. In this work, thin films one the most bioelectronics poly(3,4-ethylenedioxythiophene) poly(styrenesulfonate) (PSS), prepared using two different techniques, spin coating electrochemical polymerization, oxidation state is subsequently...
Abstract The recent years witnessed an unprecedented enhancement in improved functionality materials and the sophistication of solution‐based device fabrication techniques. Such significant advancements lead to unexpected effective opportunities for utilization solution‐grown organic perovskites detection ionizing radiation. This review presents updated overview recently reported top performing more innovative organic/perovskite‐based X‐ray detectors, providing a comparison critical...
Abstract Materials and technology development for designing innovative efficient X‐ray radiation detectors is of utmost importance a wide range applications ranging from security to medical imaging. Here, highly sensitive direct based on novel cesium (Cs)‐based triple cation mixed halide perovskite thin films are reported. Despite being in film form, the devices exhibit remarkably high sensitivity (3.7 ± 0.1) µC Gy −1 cm −2 under short‐circuit conditions. At small reverse bias 0.4 V, further...
The rapid evolution of wearable technologies is giving rise to a strong push for textile chemical sensors design targeting the real-time collection vital parameters improved healthcare. Among most promising applications, monitoring nonhealing wounds scarcely explored medical field that still lacks quantitative tools management healing process. In this work, smart bandage developed wound pH, which has been reported correlate with stages, thus potentially direct access status without...
The current trend for smart, self-sustainable, and multifunctional technology demands the development of energy harvesters based on widely available environmentally friendly materials. In this context, ZnSnO
Abstract The demand for high‐energy radiation detection systems combining high sensitivity, low‐cost and large‐area fabrication has pushed the research on hybrid perovskites as promising materials X‐ γ‐photon detection, thanks to their Z atoms, solution‐processability, optoelectronic performance. Here, flexible direct X‐ray detectors are demonstrated with outstanding real‐time properties. They based printed micrometers‐thick films of methylammonium lead triiodide nanocrystals inks,...
Abstract Organic semiconductor materials exhibit a great potential for the realization of large-area solution-processed devices able to directly detect high-energy radiation. However, only few works investigated on mechanism ionizing radiation detection in this class materials, so far. In work we investigate physical processes behind X-ray photoconversion employing bis-(triisopropylsilylethynyl)-pentacene thin-films deposited by bar-assisted meniscus shearing. The thin film coating speed and...
Abstract Research on electrolyte-gated and organic electrochemical transistor (OECT) architectures is motivated by the prospect of a highly biocompatible interface capable amplifying bioelectronic signals at site detection. Despite many demonstrations in these directions, quantitative model for OECTs as impedance biosensors still lacking. We overcome this issue introducing experiment where we simulate detection single cell sensing dielectric microparticle. The reproducible allows us to study...
Hard-to-heal wounds (i.e., severe and/or chronic) are typically associated with particular pathologies or afflictions such as diabetes, immunodeficiencies, compression traumas in bedridden people, skin grafts, third-degree burns. In this situation, it is critical to constantly monitor the healing stages and overall wound conditions allow for better-targeted therapies faster patient recovery. At moment, operation performed by removing bandages visually inspecting wound, putting at risk of...
Direct, solid-state X-ray detectors based on organic single crystals are shown to operate at room temperature, in air, and voltages as low a few volts, delivering stable reproducible linear response increasing dose rates, with notable radiation hardness resistance aging. All-organic optically transparent devices reported.
An ascorbic acid (AA) sensor was developed by employing an organic electrochemical transistor (OECT) based only on PEDOT:PSS as a conductive material. The device prepared spin coating using the CLEVIOS™ PH 1000 suspension (PEDOT:PSS) masking gate and channel areas with tape. electrically characterized while doping level of in controlled both electrode potentiostat. It demonstrated that current flows (Id) is concentration oxidized sites examined potential range. AA reacts polymer leading to...
Organic materials have been mainly proposed as ionizing radiation detectors in the indirect conversion approach. The first thin and bendable X-ray direct are realized (directly converting X-photons into an electric signal) based on organic semiconducting single crystals that possess enhanced sensitivity, low operating voltage (≈5 V), a minimum detectable dose rate of 50 μGy s−1. As service to our authors readers, this journal provides supporting information supplied by authors. Such peer...
Organic electrochemical transistors (OECTs) are bioelectronic devices able to bridge electronic and biological domains with especially high amplification configurational versatility thus stand out as promising platforms for healthcare applications portable sensing technologies. Here, we have optimized the synthesis of two pH-sensitive composites PEDOT (poly(3,4-ethylenedioxythiophene)) doped pH dyes (BTB MO, i.e., Bromothymol Blue Methyl Orange, respectively), showing their ability...