Search results for: A. Di Carlo

Items from 1 to 20 out of 173 results

article

A circularly polarized wideband high gain patch antenna for wireless power transfer

C. A. Di Carlo, L. Di Donato, G. S. Mauro, R. La Rosa, more

Microwave and Optical Technology Letters > 60 > 3 > 620 - 625

This article deals with a microstrip patch antenna working at 868 MHz, suitable for the radio frequency wireless power transfer and energy harvesting applications. The proposed monolithic antenna is compact, lightweight and it is printed on a thick substrate in order to maximize the total gain in the broadside direction. The antenna radiates at 868 MHz with a fractional impedance bandwidth of 5% and...

article

Gas sensors for sustainable and safe integrated gasification-FC system

V. Pallozzi, F. Zaza, A. Di Carlo, E. Bocci, more

International Journal of Hydrogen Energy > 2017 > 42 > 49 > 29606- 29619

Sustainability, safety and optimization of gasification systems for hydrogen production are strictly correlated to efficient monitoring devices and chemical gas sensors based on perovskite materials represent a very attractive technology for this purpose. The aim of this work is to evaluate sensing performances of LaFeO₃ based materials for the application in integrated gasification-FC systems and...

article

Additive Role of a Potentially Reversible Cognitive Frailty Model and Inflammatory State on the Risk of Disability: The Italian Longitudinal Study on Aging

Vincenzo Solfrizzi, Emanuele Scafato, Madia Lozupone, Davide Seripa, more

The American Journal of Geriatric Psychiatry > 2017 > 25 > 11 > 1236-1248

Cognitive frailty is a condition recently defined by operationalized criteria describing the simultaneous presence of physical frailty and mild cognitive impairment (MCI). Two subtypes for this clinical construct have been proposed: “potentially reversible” cognitive frailty (physical frailty plus MCI) and “reversible” cognitive frailty (physical frailty plus pre-MCI subjective cognitive decline)...

chapter

Graphene and related 2D materials for high efficient and stable perovskite solar cells

A. Agresti, S. Pescetelli, L. Najafi, A. E. Del Rio Castillo, more

2017 IEEE 17th International Conference on Nanotechnology (IEEE-NANO) > 145 - 150

2017 IEEE 17th International Conference on Nanotechnology (IEEE-NANO)

We report the use of graphene and related 2D materials as an effective way to control and stabilize the interfaces in perovskite solar cells (PSCs). In particular, graphene flakes have been used as a dopant for compact and mesoporous TiO₂ layers while reduced graphene oxide (rGO) or molybdenum disulphide (MoS₂) have been employed as interlayer at the perovskite/hole transporting material interface...

chapter

Simulations of 3-dimensional ferroelectric domains in perovskite solar cells based on MAPbIs

D. Rossi, M. Auf der Maur, A. Pecchia, A. Di Carlo

2017 International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD) > 21 - 22

2017 International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD)

In this work we present how 3-dimensional ferroelectric domains observed in MAPbIs affect the performance of perovskite solar cells. We simulated a 3D system with dimensions of 500 nm × 500 nm × 300 nm, considering domains with 100 nm side length which have been assigned random orientations of the polarization field. Calculations are performed with the simulator TiberCAD using a 3D drift-diffusion...

article

Renal Cell Carcinoma in Kidney Transplant Candidates

K.A. Zorbas, S.S. Karhadkar, K.N. Lau, A. Di Carlo

Transplantation Proceedings > 2017 > 49 > 6 > 1312-1317

An increased incidence of renal cell carcinoma (RCC) has been observed in patients with end-stage renal disease. However, the incidence of this pathological condition has not been studied adequately in kidney transplant candidates. The aim of this study was to examine the incidence of RCC and the clinical, imaging, and pathological characteristics in this population.At our institution, the majority...

chapter

An over-the-distance wireless battery charger based on RF energy harvesting

R. La Rosa, G. Zoppi, A. Finocchiaro, G. Papotto, more

2017 14th International Conference on Synthesis, Modeling, Analysis and Simulation Methods and Applications to Circuit Design (SMACD) > 1 - 4

2017 14th International Conference on Synthesis, Modeling, Analysis and Simulation Methods and Applications to Circuit Design (SMACD)

An RF powered receiver silicon IC (integrated circuit) for RF energy harvesting is presented as wireless battery charger. This includes an RF-to-DC energy converter specifically designed with a sensitivity of −18.8 dBm and an energy conversion efficiency of ∼45% at 900 MHz with a transmitting power of 0.5 W in free space. Experimental results concerned with remotely battery charging using a complete...

article

The Vascular Impairment of Cognition Classification Consensus Study

Olivia A. Skrobot, John O'Brien, Sandra Black, Christopher Chen, more

Alzheimer's & Dementia > 2017 > 13 > 6 > 624-633

Numerous diagnostic criteria have tried to tackle the variability in clinical manifestations and problematic diagnosis of vascular cognitive impairment (VCI) but none have been universally accepted. These criteria have not been readily comparable, impacting on clinical diagnosis rates and in turn prevalence estimates, research, and treatment.The Vascular Impairment of Cognition Classification Consensus...

article

Sorption enhanced catalytic Steam Methane Reforming: Experimental data and simulations describing the behaviour of bi-functional particles

I. Aloisi, A. Di Giuliano, A. Di Carlo, P.U. Foscolo, more

Chemical Engineering Journal > 2017 > 314 > C > 570-582

Steam Methane Reforming (SMR) combined with simultaneous CO₂ sorption is a convenient reaction path to enhance H₂ yield, leading to more favourable thermodynamic conditions and reducing environmental footprint. In order to obtain an efficient integration of exothermic and endothermic reactions and minimize physical resistances, bi-functional catalyst-sorbent materials are under development, containing...

article

Characterization and performance analysis of an innovative Ni/Mayenite catalyst for the steam reforming of raw syngas

E. Savuto, A. Di Carlo, K. Gallucci, S. Natali, more

Fuel > 2017 > 194 > C > 348-356

Biomass gasification is an effective way to produce syngas that must be conditioned to remove the main pollutants (tars) for its use in energy production systems. Catalytic steam reforming of tar and CH₄ is thus necessary; Nickel catalysts are excellent candidates but still have deactivation problems related to carbon deposition and sulphur poisoning. Various studies demonstrated that Mayenite as...

article

Performance evaluation at different process parameters of an innovative prototype of biomass gasification system aimed to hydrogen production

V. Pallozzi, A. Di Carlo, E. Bocci, M. Villarini, more

Energy Conversion and Management > 2016 > 130 > C > 34-43

Gasification is currently considered one of the most effective technologies to produce power and hydrogen from biomass and the scope of this work is to determine performances of such an energy system in terms of production of pure hydrogen. The overall plant has been simulated by means of ChemCAD® software. It is composed of a dual fluidized bed biomass gasifier with Catalytic Filter candles (CF),...

article

Mesoporous perovskite solar cells and the role of nanoscale compact layers for remarkable all-round high efficiency under both indoor and outdoor illumination

F. Di Giacomo, V. Zardetto, G. Lucarelli, L. Cinà, more

Nano Energy > 2016 > 30 > C > 460-469

Today poly and mono-crystalline silicon dominate the photovoltaic (PV) markets for outdoor applications. Nevertheless, there is a growing requirement for PV to be deployed in a wide variety of conditions from building-integrated, to portable electronics, to indoors for powering smart sensors, internet of things and homes. In this latter environment, other PV technologies such as amorphous silicon...

article

An Abbreviated Protocol for High-Risk Screening Breast MRI Saves Time and Resources

Susan C. Harvey, Phillip A. Di Carlo, Bonmyong Lee, Eniola Obadina, more

Journal of the American College of Radiology > 2016 > 13 > 11(S) > R74-R80

To review the ability of an abbreviated, high-risk, screening, breast MRI protocol to detect cancer and save resources.High-risk screening breast MR images were reviewed, from both an abbreviated protocol and a full diagnostic protocol. Differences in cancer detection, scanner utilization, interpretation times, and need for additional imaging were recorded in an integrated data form, and reviewed...

article

Novel pyran based dyes for application in dye sensitized solar cells

C. Maglione, A. Carella, C. Carbonara, R. Centore, more

Dyes and Pigments > 2016 > 133 > C > 395-405

A class of novel pyran based chromophores has been synthesized and characterized for what concerns their optical and electrochemical properties. The electronic structures were investigated in details by means of DFT theoretical computations. The molecular structures of the chromophores are based on a pyran core, functionalized with different electron acceptor groups, symmetrically linked to phenothiazine...

article

Influence of the main gasifier parameters on a real system for hydrogen production from biomass

M. Moneti, A. Di Carlo, E. Bocci, P.U. Foscolo, more

International Journal of Hydrogen Energy > 2016 > 41 > 28 > 11965- 11973

The production of hydrogen from waste biomass could play an important role in the world energy scenario if efficient and reliable processes will be developed. Via kinetic and thermodynamic simulation and experimental data system, realized during the European project UNIfHY, to produce pure hydrogen from biomass is analysed. The plant is mainly composed of bubbling fluidized bed gasifier with catalytic...

chapter

Analytic approximations for solar cell open circuit voltage, short circuit current and fill factor

M. Auf der Maur, A. Di Carlo

2016 International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD) > 183 - 184

2016 International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD)

For a detailed understanding of solar cell operation and optimization it is necessary to know how the main performance parameters (open circuit voltage, short circuit current and fill factor) depend on material and structural parameters. In this work, we give analytic formulas for the case of solar cells consisting of a single layer absorber, derived from the drift-diffusion model under some simplifying...

article

Tuning optical absorption in pyran derivatives for DSSC

C. Maglione, A. Carella, R. Centore, S. Fusco, more

Journal of Photochemistry and Photobiology A: Chemistry > 2016 > 321 > C > 79-89

Four nobel metal free dyes for application as photosensitizers in DSSC have been synthesized and their chemical–physical properties characterized by UV–vis absorption spectroscopy, cyclic voltammetry and DFT theoretical computations. The dyes are based on a pyran core, functionalized with different electron acceptor groups, symmetrically linked to carbazole electron donor mojeties. The four dyes have...

chapter

Adaptive curvilinear grids for large Reynolds number viscous flows

R. Piva, A. Di Carlo, B. Favini, G. Guj

Lecture Notes in Physics > Eighth International Conference on Numerical Methods in Fluid Dynamics > 414-419

chapter

Tight-Binding DFT for Molecular Electronics (gDFTB)

A. Di Carlo, A. Pecchia, L. Latessa, Th. Frauenheim, more

Lecture Notes in Physics > Introducing Molecular Electronics > Theory > 153-184

We present a detailed description of the implementation of the nonequilibrium Green’s function technique on the density-functional-based tightbinding simulation tool (gDFTB). This approach can be used to compute electronic transport in organic and inorganic molecular-scale devices. The tight-binding formulation gives an efficient computational tool able to handle a large number of atoms....

article

An Abbreviated Protocol for High-Risk Screening Breast MRI Saves Time and Resources

Susan C. Harvey, Phillip A. Di Carlo, Bonmyong Lee, Eniola Obadina, more

Journal of the American College of Radiology > 2016 > 13 > 4 > 374-380

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INFONA - science communication portal

Search results for: A. Di Carlo

A circularly polarized wideband high gain patch antenna for wireless power transfer

Gas sensors for sustainable and safe integrated gasification-FC system

Additive Role of a Potentially Reversible Cognitive Frailty Model and Inflammatory State on the Risk of Disability: The Italian Longitudinal Study on Aging

Graphene and related 2D materials for high efficient and stable perovskite solar cells

Simulations of 3-dimensional ferroelectric domains in perovskite solar cells based on MAPbIs

Renal Cell Carcinoma in Kidney Transplant Candidates

An over-the-distance wireless battery charger based on RF energy harvesting

The Vascular Impairment of Cognition Classification Consensus Study

Sorption enhanced catalytic Steam Methane Reforming: Experimental data and simulations describing the behaviour of bi-functional particles

Characterization and performance analysis of an innovative Ni/Mayenite catalyst for the steam reforming of raw syngas

Performance evaluation at different process parameters of an innovative prototype of biomass gasification system aimed to hydrogen production

Mesoporous perovskite solar cells and the role of nanoscale compact layers for remarkable all-round high efficiency under both indoor and outdoor illumination

An Abbreviated Protocol for High-Risk Screening Breast MRI Saves Time and Resources

Novel pyran based dyes for application in dye sensitized solar cells

Influence of the main gasifier parameters on a real system for hydrogen production from biomass

Analytic approximations for solar cell open circuit voltage, short circuit current and fill factor

Tuning optical absorption in pyran derivatives for DSSC

Adaptive curvilinear grids for large Reynolds number viscous flows

Tight-Binding DFT for Molecular Electronics (gDFTB)

An Abbreviated Protocol for High-Risk Screening Breast MRI Saves Time and Resources

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