Aldo Di Carlo

Aldo Di Carlo
University of Rome Tor Vergata | UNIROMA2 · Dipartimento di Ingegneria Elettronica and CHOSE - Centre for Hybrid and Organic Solar Energy

PhD

About

819
Publications
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21,335
Citations

Publications

Publications (819)
Poster
Full-text available
Stamping and Patterning of conjugated polymers for Artificial retina devices with spatial and spectral selectivity
Article
Interface engineering is one of the promising strategies for the long‐term stabilization of perovskite solar cells (PSCs), preventing chemical decomposition induced by external agents and promoting fast charge transfer. Recently, MXenes–2D structured transition metal carbides and nitrides with various functionalization (O, ‐F, ‐OH) have demonstrat...
Article
Full-text available
Perovskite Solar Cells (PSCs) are well known for their high efficiencies under 1 sun (AM1.5G), however, PSC can also generate power by harvesting the low‐light available indoors. Here, three flexible PSC architectures are presented for indoor applications: with a metal electrode aiming for high efficiency; carbon electrode aiming for high stability...
Article
Full-text available
As a vital step towards the industrialization of perovskite solar cells, outdoor field tests of large-scale perovskite modules and panels represent a mandatory step to be accomplished. Here we demonstrate the manufacturing of large-area (0.5 m²) perovskite solar panels, each containing 40 modules whose interfaces are engineered with two-dimensional...
Article
Solar cells transparent in the visible range are highly requested for integration in see‐through photovoltaic (PV) applications such as building glass façades or green‐house roofs. The development of advanced transparent PV can fully exploit the tandem technology where the top cell absorbs the near‐ultraviolet solar spectrum while the bottom the ne...
Article
Solar cells (SCs) are the most ubiquitous and reliable energy generation systems for aerospace applications. Nowadays, III–V multijunction solar cells (MJSCs) represent the standard commercial technology for powering spacecraft, thanks to their high‐power conversion efficiency and certified reliability/stability while operating in orbit. Neverthele...
Article
Most thin film photovoltaic modules are constructed on soda lime glass (SLG) substrates containing alkali oxides, such as Na2O. Na may diffuse from SLG into a module’s active layers through P1 lines, an area between a module’s constituent cells where the substrate‐side charge transport layer (CTL) is in direct contact with SLG. Na diffusion from SL...
Article
Full-text available
Abstract During the last decade, perovskite solar technologies underwent an impressive development, with power conversion efficiencies reaching 25.5% for single junction devices, and 29.8% for Silicon‐Perovskite tandem configurations. Even though research mainly focused on improving the efficiency of perovskite photovoltaics (PV), stability and sca...
Conference Paper
Full-text available
Perovskite Technology is advancing at unprecedented levels in the last years, with efficiencies reaching up to 25.7%. These incredible results are obtained at very small area scale (<0.1cm 2), reducing consistently its efficiency when increasing the area, with certified efficiency reaching up to 19.3% on 5x5cm2 substrate area [1] ; Module design is...
Article
The photoluminescence (PL) intensity is often used as an indicator of the performance of perovskite solar cells and indeed the PL technique is often used for the characterization of these devices and their constituent materials. Here we present a systematic approach to the comparison of the conversion efficiency and the PL intensity of a cell in bo...
Article
Among the photovoltaic technologies adopted in the building‐integrated photovoltaics (BIPV) sector, Dye‐Sensitized Solar Cells (DSSCs) appear very attractive because of unique features like tunable color and good transparency. However, the prospect of their low‐cost fabrication is realistic only if reliable and scalable processes under real manufac...
Article
Full-text available
Solar photovoltaics based on synthetic halide perovskites have revolutionized solar energetics in the last decade. Since 2009 the overall efficiency of the sunlight‐to‐electricity conversion in perovskite solar cells increases from 3.8% up to 25.5% (for thin‐film single‐junction perovskite solar cells) and more than 30% (for affordable tandem solar...
Conference Paper
An idea that has attracted much attention in this current digital revolution is the possibility to add sensors and intelligence to basic objects to allow them to collect real-time data without involving a human being and share it through the internet to anyone in the entire world. These devices are known as Internet of Things (IoT), and their produ...
Article
In few years, perovskite solar devices have reached high efficiency on lab scalecells. Upscaling to module size, effective perovskite recipe and posttreatment areof paramount importance to the breakthrough of the technology. Herein thiswork, the development of a low-temperature planar n–i–p perovskite module(11 cm2aperture area, 91% geometricalfill...
Article
Perovskite films are promising candidates for fast, sensitive, and large area photodetectors. A gain in perovskite based detectors has been observed in several architectures, but a model describing the underlying mechanism is still missing or at least incomplete. Here, we present measurements of CH 3 NH 3 PbBr 3 films under reverse bias exhibiting...
Article
Full-text available
Perovskite solar cells have reached certified power conversion efficiency over 25%, enabling the realization of efficient large-area modules and even solar farms. It is therefore essential to deal with technical aspects, including the reverse-bias operation and hot-spot effects, which are crucial for the practical implementation of any photovoltaic...
Article
Flexible perovskite solar cells feature high power-per-weight ratio and low cost manufacturing, which make them very attractive for space and avionic applications. It is thus paramount to assess their response to the harsh space environment. Although an increasing number of studies have been investigating the effect of electron and proton radiation...
Article
In the field of halide perovskite solar cells (PSCs), interface engineering has been conceptualized and exploited as a powerful mean to improve solar cells performances, stability, and scalability. In this regard, here we propose the use of a multi two-dimensional (2D) material as intra and inter layers in a mesoscopic PSC. By combining graphene in...
Article
Full-text available
The integration of semi‐transparent photovoltaics (PVs) with photobioreactors (PBRs) is a promising strategy to increase photoconversion efficiency, ensuring simultaneous electricity and algal biomass production. In this study, Arthrospira maxima is cultivated in an integrated system with a dye‐sensitized solar module (DSSM) to the front of the PBR...
Article
Full-text available
An optimization work on dye-sensitized solar cells (DSSCs) based on both artificial and natural dyes was carried out by a fine synthesis work embedding gold nanoparticles in a TiO2 semiconductor and perfecting the TiO2 particle sizes of the scattering layer. Noble metal nanostructures are known for the surface plasmon resonance peculiarity that rev...
Article
Halide perovskites have demonstrated great potential for photovoltaics and detector applications, due to the strong absorption, large mobility lifetime product, structural defect tolerance, and wide range of chemical compositions with high Z atoms. Ionizing radiation sensing is one of the emerging directions for the use of halide perovskites, which...
Article
Perovskite solar cells are a type of emerging-thin-film-photovoltaics which shows a promising potential to catch a major portion of the PV market in near future. However, hazardous-waste-generation and cost-management of the industrial production are two key issues which need to be addressed in the commercialization process. Here, we introduce a un...
Conference Paper
Full-text available
During the last few years research community have been interested in studying Perovskite materials, a brilliant semiconductor with excellent charge mobilities that has the capability to tune the bandgap, to be deposited by low temperature (below 100°C) and by solution-processable techniques, lowering the actual production cost of its Silicon counte...
Article
Full-text available
The study of MAPbI3 phase transitions based on temperature-dependent optical spectroscopy has recently gained a huge attention. Photoluminescence (PL) investigations of the tetragonal–orthorhombic transition suggest that tetragonal nanodomains are present below the transition temperature and signatures associated with tetragonal segregations are ob...
Conference Paper
Perovskite technologies has proven 25.5% efficiency in just 10 years of research, achieving similar performance ranges with different photovoltaic technology which include Si and GaAs, displaying doubtlessly low-price production and system versatility. However, those achievements had been done only on small area cells, with active area equal or low...
Conference Paper
Full-text available
In the last decade, perovskite solar cell (PSC) technology showed an efficiency improvement from 9.7% to 25.2% approaching the Si record of more than 26%. The low-cost perspective of PSCs is achievable only if scalable processes in manufacturing conditions such as pilot line or plant factory are designed and optimized for the full device stack. Her...
Article
Full-text available
Large-scale solution printing perovskite photovoltaics is one of the key technological advantages in comparison to the manufacturing of wafer-based solar cells (Si, GaAs etc.). In this work, we demonstrate all-slot-die coated perovskite solar cells (PSCs) in p-i-n (inverse) configuration with a process fully performed out of the Glove Box in ambien...
Preprint
Full-text available
In the ever-increasing energy demand scenario, the development of novel photovoltaic (PV) technologies is considered to be one of the key solutions to fulfil the energy request. In this context, graphene and related two-dimensional (2D) materials (GRMs), including nonlayered 2D materials and 2D perovskites, as well as their hybrid systems, are emer...
Article
Full-text available
Our world is facing an environmental crisis that is driving scientists to research green and smart solutions in terms of the use of renewable energy sources and low polluting technologies. In this framework, photovoltaic (PV) technology is one of the most worthy of interest. Dye-sensitized solar cells (DSSCs) are innovative PV devices known for the...
Article
Metal halide perovskites are the first solution processed semiconductors that can compete in their functionality with conventional semiconductors, such as silicon. Over the past several years, perovskite semiconductors have reported breakthroughs in various optoelectronic devices, such as solar cells, photodetectors, light emitting and memory devic...
Article
Full-text available
Among the new generation photovoltaics, perovskite solar cell (PSC) technology reached top efficiencies in a few years. Currently, the main objective to further develop PSCs is related to the fabrication of stable devices with cost-effective materials and reliable fabrication processes to achieve a possible industrialization pathway. In the n-i-p d...
Article
Full-text available
Nanocluster aggregation sources based on magnetron-sputtering represent precise and versatile means to deposit a controlled quantity of metal nanoparticles at selected interfaces. In this work, we exploit this methodology to produce Ag/MgO nanoparticles (NPs) and deposit them on a glass/FTO/TiO2 substrate, which constitutes the mesoscopic front ele...
Article
In the ever-increasing energy demand scenario, the development of novel photovoltaic (PV) technologies is considered to be one of the key solutions to fulfil the energy request. In this context, graphene and related two-dimensional (2D) materials (GRMs), including nonlayered 2D materials and 2D perovskites, as well as their hybrid systems, are emer...
Article
Full-text available
A comparison between k→·p→ and tight-binding methods for the analysis of InAs/GaAs quantum dot bandstructures is presented based on a fully coupled computation of electromechanical effects. Electromechanical effects are addressed using a continuum elastic model for the k→·p→ method and a pre-conditioned Valence Force Field algorithm for the tight-b...
Article
All-dielectric nanophotonics is a powerful tool for improvement of thin-film optotelectronic devices because of low optical losses, strong light localization, and chemical robustness against such materials as halide perovskites. However, large-scale and low-cost approaches to create functional nanostructures are still not developed. In our work, we...
Article
Full-text available
Recent studies of lead halide perovskites demonstrate outstanding optoelectronic properties for thin-film semiconductor device application. Perovskite photovoltaic and light-emitting diodes are on the way to the mass production and spread in commercial semiconductor devices. The lab-to-fab transition of perovskite devices requires adaptation of per...
Article
The perovskite solar cell technology is showing rapid progress in delivering high power conversion efficiency. This is not limited to conventional 1 SUN illumination, but state-of-the-art results have also been also demonstrated for a low-light condition such as indoor illumination. In this work, we show that very efficient low-light perovskite sol...
Article
Full-text available
GaN-based light emitting diodes (LEDs) have been shown to effectively operate down to nanoscale dimensions, which allows further downscaling the chip-based LED display technology from micro- to nanoscale. This brings up the question of what resolution limit of the illumination pattern can be obtained. We show two different approaches to achieve ind...
Article
Full-text available
Despite the ideal performance demonstrated by mixed perovskite materials when used as active layers in photovoltaic devices, the factor which still hampers their use in real life remains the poor stability of their physico-chemical and functional properties when submitted to prolonged permanence in atmosphere, exposure to light and/or to moderately...
Conference Paper
Full-text available
Perovskite Solar Technology nowadays is reaching impressive results, with efficiencies over 25.5%. However, these results are based on small area cell (active area <0.09cm2). We need to bring these numbers over large areas to get the research community heard by companies and politics, achieving results on module base perovskite devices. Perovskite...
Article
High band gap semi-transparent solar cells based on CH3NH3PbBr3 perovskite are attractive for building integration, tandem cells and electrochemical applications. The lack of control of the CH3NH3PbBr3 perovskite growth limit the exploitation of CH3NH3PbBr3-based perovskite solar cells. In this paper, we introduce a post-treatment performed after t...
Article
Full-text available
Perovskite solar modules (PSMs) have been attracting the photovoltaic market, owing to low manufacturing costs and process versatility. The employment of flexible substrates gives the chance to explore new applications and further increase the fabrication throughput. However, the present state-of-the-art of flexible perovskite solar modules (FPSMs)...
Conference Paper
Halide Perovskite photovoltaic technology can be scaled to large area modules and panels using printing processes and laser patterning. Here, we will present the progress made to scale up from small area solar cells to modules and panels up to a dimension of 0.5 sqm. Specific efforts have been devoted to developing a deposition process out of the g...
Article
Full-text available
Recent research into miniaturized illumination sources has prompted the development of alternative microscopy techniques. Although they are still being explored, emerging nano-light-emitting-diode (nano-LED) technologies show promise in approaching the optical resolution limit in a more feasible manner. This work presents the exploration of their c...
Article
Full-text available
Carbon perovskite solar cells (C-PSCs), using carbon-based counter electrodes (C-CEs), promise to mitigate instability issues while providing solution-processed and low-cost device configurations. In this work, we report the fabrication and characterization of efficient paintable C-PSCs obtained by depositing a low-temperature-processed graphene-ba...
Article
Full-text available
The recent advances in chip-size microscopy based on optical scanning with spatially resolved nano-illumination light sources are presented. This new straightforward technique takes advantage of the currently achieved miniaturization of LEDs in fully addressable arrays. These nano-LEDs are used to scan the sample with a resolution comparable to the...