A5012998656- Perovskite Materials and Applications
- Quantum Dots Synthesis And Properties
- Chalcogenide Semiconductor Thin Films
- Supercapacitor Materials and Fabrication
- Laser Material Processing Techniques
- Conducting polymers and applications
- Advanced battery technologies research
- Nonlinear Optical Materials Studies
- Crystal Structures and Properties
- Ferroelectric and Piezoelectric Materials
- Solid-state spectroscopy and crystallography
- Machine Learning in Materials Science
- 2D Materials and Applications
- X-ray Diffraction in Crystallography
- Luminescence Properties of Advanced Materials
- Tribology and Lubrication Engineering
- Adhesion, Friction, and Surface Interactions
- Photonic Crystals and Applications
- Optical Coatings and Gratings
- Laser-Ablation Synthesis of Nanoparticles
University of Genoa
2023-2025
Industriale Chimica (Italy)
2025
Italian Institute of Technology
2023-2024
Foundation for Research and Technology Hellas
2019-2024
University of Crete
2020
Halide exchange is a popular strategy to tune the properties of CsPbX3 nanocrystals after synthesis. However, while Cl → Br and I exchanges proceed through formation stable mixed-halide nanocrystals, ⇌ more elusive. Indeed, large size difference between chloride iodide ions causes miscibility gap in CsPbCl3-CsPbI3 system, preventing isolation CsPb(ClxI1-x)3 nanocrystals. Yet, previous works have claimed that full CsPbCl3 CsPbI3 can be achieved. Even interestingly, interrupting prematurely...
We report the femtosecond (fs) laser fabrication of biomimetic omnidirectional iridescent metallic surfaces exhibiting efficient diffraction for practically any angle light incidence. Such diffractive behavior is realized by means multi-directional low-spatial-frequency, laser-induced periodic surface structures (LSFL) formed upon exploiting cylindrical symmetry a vector (CV) fs field. particularly demonstrate that gratings on stainless steel radially polarized beam, could mimic structural...
We report a colloidal synthesis of blue emissive, stable cube-shaped CsPbBr3 quantum dots (QDs) in the strong confinement regime via dissolution-recrystallization starting from pre-synthesized (KxCs1-x)4PbBr6 nanocrystals which are then reacted with PbBr2. This is markedly different known case Cs4PbBr6 that react within seconds PbBr2 and get transformed into much larger, green emitting nanocrystals. Here, instead, conversion to QDs occurs time span hours, tuning size achieved by adjusting...
Abstract Stability issues could prevent lead halide perovskite solar cells (PSCs) from commercialization despite it having a comparable power conversion efficiency (PCE) to silicon cells. Overcoming drawbacks affecting their long‐term stability is gaining incremental importance. Excess iodide (PbI 2 ) causes degradation, although aids in crystal growth and defect passivation. Herein, we synthesized functionalized oxo‐graphene nanosheets (Dec‐oxoG NSs) effectively manage the excess PbI ....
We report the synthesis of nanocrystal heterostructures composed CsPbCl
Abstract Stability issues could prevent lead halide perovskite solar cells (PSCs) from commercialization despite it having a comparable power conversion efficiency (PCE) to silicon cells. Overcoming drawbacks affecting their long‐term stability is gaining incremental importance. Excess iodide (PbI 2 ) causes degradation, although aids in crystal growth and defect passivation. Herein, we synthesized functionalized oxo‐graphene nanosheets (Dec‐oxoG NSs) effectively manage the excess PbI ....
Metal halide perovskites (MHP) are highly promising semiconductors. In this study, we focus on FAPbBr3 nanocrystals, which of great interest for green light-emitting diodes. Structural parameters significantly impact the properties MHPs and linked to phase instability, hampers long-term applications. Clearly, there is a need local precise characterization techniques at atomic scale, such as transmission electron microscopy. Because high beam sensitivity MHPs, these investigations extremely...
We report that the direct conjugation of metal halide perovskite nanocrystals on rGO sheets can provide high performance and stable electrodes for Zn-ion capacitors. It is first time have been used to enhance energy storage 2D materials in capacitors by introducing an additional pseudocapacitance mechanism. In particular, we present a simple, rapid room temperature laser-induced method anchor CsPbBr
Metal halide perovskite nanocrystals, an emerging class of materials for advanced photonic and optoelectronic applications, are mainly fabricated with colloidal chemistry routes. On the quest new properties according to application needs, systems various morphologies levels doping alloying have been developed, often also involving post-synthesis reactions. Recently, laser irradiation in liquids has utilized as a fast method synthesize or transform interesting laser-induced transformations on...
This work reveals that the direct conjugation of metal halide perovskite nanocrystals on rGO sheets can provide high performance and stable electrodes for Zn-air supercapacitors. In particular, we a simple, rapid room temperature laser-triggered method to anchor CsPbBr3 without affecting initial morphology crystal structure components. The flexible surface area enables individual with emergence new synergetic functionalities from combination two counterparts. These lead 178- 152-times...
Nature has provided a plethora of functional surfaces exhibiting unique, complex hierarchical morphologies with dimensions features ranging from the macroscale to nanoscale. Such are behind superior properties exhibited by natural surfaces, including extreme wetting [1], antireflection [2], floatation, adhesion, friction and mechanical strength [3]. In principle, femtosecond laser induced surface structuring been employed produce numerous biomimetic structures for range applications,...