350 citations · 1.1k across the 27 of their papers we have counts for
28 papers
Near-Infrared plasmon induced hot electron extraction evidence in an indium tin oxide nanoparticle / monolayer molybdenum disulphide heterostructure
Michele Guizzardi, Michele Ghini, Andrea Villa +8
In this work, we observe plasmon induced hot electron extraction in a heterojunction between indium tin oxide nanocrystals and monolayer molybdenum disulphide. We study the sample…
Multi-charge Transfer from Photodoped ITO Nanocrystals
Michele Ghini, Andrea Rubino, Andrea Camellini +1
Metal oxide nanocrystals are emerging as extremely versatile material for addressing many of the current challenging demands of energy-conversion technology. Being able to exploit…
Control of electronic band profiles through depletion layer engineering in core-shell nanocrystals
Michele Ghini, Nicola Curreli, Matteo B. Lodi +6
The understanding of depletion layers is of major importance to control the optical and electronic properties of metal oxide (MO) nanocrystals (NCs). Here, we show that depletion l…
Linear and Nonlinear Optical Propagation in 2D Materials
Nicola Curreli, Alessandro Fanti, Giuseppe Mazzarella +1
Recently, a lot of effort has been dedicated to developing next-generation optoelectronic devices based on two-dimensional materials, thanks to their unique optical properties that…
Electrochromism in Electrolyte-Free and Solution Processed Bragg Stacks
Liliana Moscardi, Giuseppe M. Paternò, Alessandro Chiasera +5
Achieving an active manipulation of colours has huge implications in optoelectronics, as colours engineering can be exploited in a number of applications, ranging from display to l…
Ultrafast photochromism and bacteriochromism in one dimensional hybrid plasmonic photonic structures
Francesco Scotognella, Giuseppe M. Paternò, Ilka Kriegel +8
Hybrid plasmonic photonic structures combine the plasmonic response with the photonic band gap, holding promise for utilization as optical switches and sensors. Here, we demonstrat…
The ultrafast onset of exciton formation in 2D semiconductors
Chiara Trovatello, Florian Katsch, Nicholas J. Borys +11
The equilibrium and non-equilibrium optical properties of single-layer transition metal dichalcogenides (TMDs) are determined by strongly bound excitons. Exciton relaxation dynamic…
Hybrid 1D Plasmonic/Photonic Crystals are Responsive to Escherichia Coli
Giuseppe Maria Paterno, Liliana Moscardi, Stefano Donini +6
Photonic crystal-based biosensors hold great promise as valid and low-cost devices for real-time monitoring of a variety of biotargets. Given the high processability and easiness o…
Indium tin oxide nanoparticle:TiO:air layers for one-dimensional multilayer photonic structures
Ilka Kriegel, Francesco Scotognella
In this work we study the optical properties, by means of the transfer matrix method, of one-dimensional photonic crystals in which layers of silica nanoparticles are alternated wi…
Contactless photo-induced carrier density control in nanocrystal MoS2 hybrids
Ilka Kriegel, Nicholas J. Borys, Kehao Zhang +9
The ultrathin nature of two-dimensional monolayer semiconductors yields optoelectronic properties which are highly responsive to changes in free-carrier density, making it imperati…
TaAs Weyl semimetal based one-dimensional photonic structures
Ilka Kriegel, Michele Guizzardi, Francesco Scotognella
Weyl semimetals can be described as the three-dimensional analogue of graphene, showing linear dispersion around nodes (Weyl points) [1]. Tantalum arsenide (TaAs) is among the most…
Structural color tuning in 1D photonic crystals with electric field and magnetic field
Eduardo Aluicio-Sarduy, Simone Callegari, Diana Gisell Figueroa del Valle +3
A tuning of the light transmission properties of 1D photonic structures employing an external stimulus is very attracting and opens the way to the fabrication of optical switches f…
One-dimensional disordered photonic structures with two or more materials
Alessandro Chiasera, Luigino Criante, Stefano Varas +9
Here we would like to discuss the light transmission modulation by periodic and disordered one dimensional (1D) photonic structures. In particular, we will present some theoretical…
Electro-optic and magneto-optic photonic devices based on multilayers photonic structures
Giuseppe M. Paternò, Liliana Moscardi, Ilka Kriegel +2
In this work we describe different types of photonic structures that allow tunability of the photonic band gap upon the application of external stimuli, as the electric or magnetic…
Solution processable and optically switchable 1D photonic structures
G. M. Paternò, C. Iseppon, A. D'Altri +9
In this work, we report the first demonstration of a solution processable, optically switchable 1D photonic crystal by implementing phototunable doped metal oxide nanocrystals. The…
Light-induced switching in pDTE - FICO 1D photonic structures
Ilka Kriegel, Francesco Scotognella
We propose the design of 1D photonic crystals and microcavities in which fluorine-indium codoped cadmium oxide (FICO) nanocrystal based layers and layers of diarylethene-based poly…
Optical properties of periodic, quasi-periodic, and disordered one-dimensional photonic structures
Michele Bellingeri, Alessandro Chiasera, Ilka Kriegel +1
Photonic crystals are characterized by a spatial modulation of the dielectric constant on the length scale of the wavelength of light giving rise to energy ranges where light canno…
Covalent Functionalized Black Phosphorus Quantum Dots
Francesco Scotognella, Ilka Kriegel, Simone Sassolini
Black phosphorus (BP) nanostructures enable a new strategy to tune the electronic and optical properties of this atomically thin material. In this paper we show, via density functi…
Plasmonic Doped Semiconductor Nanocrystals: Properties, Fabrication, Applications and Perspectives
Ilka Kriegel, Francesco Scotognella, Liberato Manna
Degenerately doped semiconductor nanocrystals (NCs) are of recent interest to the NC community due to their tunable localized surface plasmon resonances (LSPRs) in the near infrare…
Magneto-optical switching in microcavities based on a TGG defect sandwiched between periodic and disordered one-dimensional photonic structures
Ilka Kriegel, Francesco Scotognella
The employment of magneto-optical materials to fabricate photonic crystals gives the unique opportunity to achieve optical tuning by applying a magnetic field. In this study we hav…
Colloidal CuFeS2 Nanocrystals: Intermediate Fe d-Band Leads to High Photothermal Conversion Efficiency
S. Ghosh, T. Avellini, A. Petrelli +8
We describe the colloidal hot-injection synthesis of phase-pure nanocrystals (NCs) of a highly abundant mineral, chalcopyrite (CuFeS2). Absorption bands centered at around 480 and…
Black Phosphorus based One-dimensional Photonic Crystals and Microcavities
I. Kriegel, S. Toffanin, F. Scotognella
The latest achievements in the fabrication of black phosphorus thin layers, towards the technological breakthrough of a phosphorene atomically thin layer, are paving the way for a…
Periodic transmission peak splitting in one dimensional disordered photonic structures
I. Kriegel, F. Scotognella
In the present paper we present ways to modulate the periodic transmission peaks arising in disordered one dimensional photonic structures with hundreds of layers. Disordered struc…
A probabilistic model of the electron transport in films of PbSe nanocrystals arranged in a cubic lattice
Ilka Kriegel, Francesco Scotognella
The fabrication of nanocrystal (NC) films, starting from colloidal dispersion, is a very attractive topic in condensed matter physics community. NC films can be employed for transi…