A5020114964- Perovskite Materials and Applications
- Conducting polymers and applications
- Quantum Dots Synthesis And Properties
- TiO2 Photocatalysis and Solar Cells
- Chalcogenide Semiconductor Thin Films
- Organic Electronics and Photovoltaics
- Organic Light-Emitting Diodes Research
- Advanced Battery Technologies Research
- Advanced Photocatalysis Techniques
- Neuroscience and Neural Engineering
- Analytical Chemistry and Sensors
- Photoreceptor and optogenetics research
- Solid-state spectroscopy and crystallography
- Advancements in Battery Materials
- Thermal properties of materials
- Advanced battery technologies research
- Advanced Battery Materials and Technologies
- Fault Detection and Control Systems
- 3D Printing in Biomedical Research
- Transition Metal Oxide Nanomaterials
- Reliability and Maintenance Optimization
- Advanced Nanomaterials in Catalysis
- Photovoltaic System Optimization Techniques
- Silicone and Siloxane Chemistry
- Light effects on plants
University of Rome Tor Vergata
2012-2019
Ospedale Misericordia - Grosseto
2017
Solution‐processed few‐layer MoS 2 flakes are exploited as an active buffer layer in hybrid lead–halide perovskite solar cells (PSCs). Glass/FTO/compact‐TiO /mesoporous‐TiO /CH 3 NH PbI /MoS /Spiro‐OMeTAD/Au realized with the having a twofold function, acting both protective layer, by preventing formation of shunt contacts between and Au electrode, hole transport from to Spiro‐OMeTAD. As prepared PSC demonstrates power conversion efficiency ( η ) 13.3%, along higher lifetime stability over...
Interfaces between perovskite solar cell (PSC) layer components play a pivotal role in obtaining high-performance premium cells and large-area modules. Graphene related two-dimensional materials (GRMs) can be used to "on-demand" tune the interface properties of PSCs. We successfully GRMs realize (active area 50.6 cm2) perovskite-based modules (PSMs), achieving record high power conversion efficiency 12.6%. on-demand modulated photoelectrode charge dynamic by doping mesoporous TiO2 (mTiO2)...
This work proposes a new perovskite solar cell structure by including lithium‐neutralized graphene oxide (GO‐Li) as the electron transporting layer (ETL) on top of mesoporous TiO 2 (m‐TiO ) substrate. The modified work‐function GO after intercalation Li atoms (4.3 eV) exhibits good energy matching with conduction band, leading to significant enhancement injection from m‐TiO . resulting devices exhibit an improved short circuit current and fill factor reduced hysteresis. Furthermore, GO‐Li...
Interface engineering is performed by the addition of graphene and related 2 D materials (GRMs) into perovskite solar cells (PSCs), leading to improvements in power conversion efficiency (PCE). By doping mesoporous TiO2 layer with flakes (mTiO2 +G), produced liquid-phase exfoliation pristine graphite, inserting oxide (GO) as an interlayer between hole-transport layers, using a two-step deposition procedure air, we achieved PCE 18.2 %. The obtained value mainly results from improved...
In this study we define a comprehensive method for analyzing electrochemical impedance spectra of lithium batteries using equivalent circuit models, and information extraction on state-of-charge state-of-health from data by means machine learning methods. Estimation parameters typically implies non-linear optimization problem. A detailed estimating initial values the algorithm is described, emphasizing short computation times efficient convergence to global minimum. Parameters...
Operational stability is the main issue hindering commercialisation of perovskite solar cells. Here, a long term light soaking test was performed on large area hybrid halide cells to investigate morphological and chemical changes associated with degradation photovoltaic performance occurring within devices. Using Scanning Transmission Electron Microscopy (STEM) in conjunction EDX analysis device cross sections, we observe formation gold clusters active layer as well TiO2 mesoporous layer,...
Abstract The operation of halide perovskite optoelectronic devices, including solar cells and LEDs, is strongly influenced by the mobility ions comprising crystal structure. This peculiarity particularly true when considering long‐term stability devices. A detailed understanding ion migration‐driven degradation pathways critical to design effective stabilization strategies. Nonetheless, despite substantial research in this first decade photovoltaics, effects migration remain elusive due...
Abstract We fabricated monolithic solid state modules based on organometal CH 3 NH PbI and − x Cl perovskites using poly‐(3‐hexylthiophene) Spiro‐OMeTAD as hole transport materials (HTMs). In particular, we developed innovative scalable patterning procedures to minimize the series resistance at integrated series‐interconnections. By these optimization steps, reached a maximum conversion efficiency of 8.2% under AM1.5G 1 Sun illumination conditions perovskite HTM. Finally, investigated...
Abstract Here, we investigated the effect of molecular weight (MW) poly 3‐hexylthiophene (P3HT) hole‐transport material on performance perovskite solar cells (PSCs). We found that by increasing MW photovoltaic performances are enhanced leading to an improvement overall efficiency. P3HT‐based PSCs with a 124 kDa can achieve average efficiency 16.2 %, double respect ones 44 kDa. Opposite spiro‐OMeTAD‐based PSCs, parameters devices mesoporous TiO 2 layer thickness from 250 500 nm. Moreover, for...
In this study, we demonstrate the feasibility of TCO-free, fully sprayed organic photodiodes on flexible polyethylene terephthalate (PET) substrates. Transparent conducting films single-wall carbon nanotubes are spray deposited from aqueous solutions. Low roughness is achieved, and with sheet resistance values 160 Ω/sq at 84% in transmittance fabricated. Process issues related to wetting CNTs then examined solved, enabling successive depositions a...
The use of solution processes to fabricate perovskite solar cells (PSCs) represents a winning strategy reduce capital expenditure, increase the throughput, and allow for process flexibility needed adapt PVs new applications. However, typical fabrication PSC development date is performed in an inert atmosphere (nitrogen), usually glovebox, hampering industrial scale-up. In this work, we demonstrate, first time, double-cation (forsaking unstable methylammonium (MA) cation) processed ambient...
Agrivoltaics, integrating photovoltaic systems with crop cultivation, demands semitransparent solar modules to mitigate soil shadowing. Perovskite Solar Cells (PSC) offer competitive efficiency, low fabrication costs, and high transmittance, making them suitable for agrivoltaic applications. However, the impact of PSC light filtering on plant growth transcriptomics remains underexplored. This study investigates viability agronomic implications radicchio seedlings (Cichorium intybus var....
In the present work we used some crystallization trends which could be classified as a Crystal Engineering (CE) approach, for deposition of pure cubic-phase thin film CH<sub>3</sub>NH<sub>3</sub>PbI<sub>3</sub> (MAPbI<sub>3</sub>) on surface mesoporous TiO<sub>2</sub> layer.
Abstract The standard parameters considered to compare energy‐harvesting efficiency such as the measured in test conditions or concept of peak Watt power production may lead an incorrect estimation real producible energy. In this work, we aim confirm that realistic outdoor building‐integrated photovoltaic (BIPV) installations, gap between dye‐sensitized solar cells (DSC) and other available technologies is lower than expected terms We have developed a model for evaluation energy on generic...
Solution-processed hybrid bromide perovskite light-emitting-diodes (PLEDs) represent an attractive alternative technology that would allow overcoming the well-known severe efficiency drop in green spectrum related to conventional LEDs technologies. In this work, we report on development and characterization of PLEDs fabricated using, for first time, a mesostructured layout. Stability is critical issue; remarkably, devices tested ambient conditions without encapsulation showed lifetime...