A5039804120- Electrochemical sensors and biosensors
- Analytical Chemistry and Sensors
- Molecular Junctions and Nanostructures
- Graphene research and applications
- Conducting polymers and applications
- Advanced Sensor and Energy Harvesting Materials
- Organic Electronics and Photovoltaics
- Advanced Memory and Neural Computing
- Graphene and Nanomaterials Applications
- 2D Materials and Applications
- Advanced biosensing and bioanalysis techniques
- Electrochemical Analysis and Applications
- Nanowire Synthesis and Applications
- MXene and MAX Phase Materials
- Supercapacitor Materials and Fabrication
- Gas Sensing Nanomaterials and Sensors
- Quantum and electron transport phenomena
- Luminescence and Fluorescent Materials
- Semiconductor materials and devices
- Mechanical and Optical Resonators
- Carbon and Quantum Dots Applications
- Perovskite Materials and Applications
- Nanomaterials and Printing Technologies
- Fluid Dynamics and Thin Films
- Advanced Nanomaterials in Catalysis
Brazilian Center for Research in Energy and Materials
2016-2025
Université de Strasbourg
2019-2024
Centre National de la Recherche Scientifique
2019-2024
Universidade Estadual de Campinas (UNICAMP)
2023-2024
Laboratório Nacional de Nanotecnologia
2016-2024
Institut de Science et d'Ingénierie Supramoléculaires
2022
Laboratório Nacional de Ciência e Tecnologia do Bioetanol
2017-2022
Pontifícia Universidade Católica de Campinas
2020
Universidade Federal de Alfenas
2019
Universidade Estadual Paulista (Unesp)
2011-2016
Antibody-antigen (Ab-Ag) recognition is the primary event at basis of many biosensing platforms. In label-free biosensors, these events occurring solid-liquid interfaces are complex and often difficult to control technologically across smallest length scales down molecular scale. Here a molecular-scale technique, such as single-molecule force spectroscopy, performed areas real electrode functionalized for immunodetection an inflammatory cytokine, viz. interleukin-4 (IL4). The statistical...
The electronic properties of two-dimensional semiconductors can be strongly modulated by interfacing them with atomically precise self-assembled molecular lattices, yielding hybrid van der Waals heterostructures (vdWHs). While proof-of-concepts exploited assemblies held together lateral unspecific interactions, the use 2D supramolecular networks relying on specific non-covalent forces is still unexplored. Herein, prototypical hydrogen-bonded cyanuric acid (CA) and melamine (M) are onto MoS2...
The development of systems capable responding to environmental changes, such as humidity, requires the design and assembly highly sensitive efficiently transducing elements. Such a challenge can be mastered only by disentangling role played each component responsive system, thus ultimately achieving high performance optimizing synergistic contribution all functional Here, we designed synthesized novel [1]benzothieno[3,2-b][1]benzothiophene derivative equipped with hydrophilic oligoethylene...
Abstract Graphene is regarded as the ultimate material for future flexible, high‐performance, and wearable electronics. Herein, a novel, robust, all‐green, highly reliable (yield ≥ 99%), upscalable technology reported applications comprising reduced graphene oxide (rGO) electroactive component in liquid‐gated transistors (LGTs). rGO formidable flexible due to its easy processability, excellent surface reactivity, large‐area coverage. A novel protocol established toward high‐yield fabrication...
Two-dimensional (2D) materials occupy a noteworthy place in nanophotonics providing for subwavelength light confinement and optical phenomena dissimilar to those of their bulk counterparts. In the mid-infrared, graphene-based heterostructures van der Waals crystals hexagonal boron nitride (hBN) overwhelmingly concentrate attention by exhibiting real-space nano-optics features from plasmons, phonon–polaritons, hybrid plasmon phonon–polaritons. Here we present prime study on mid-infrared talc,...
Laser reduction of graphene oxide (GO) is a promising approach for achieving flexible, robust, and electrically conductive graphene/polymer composites. Resulting composite materials show significant technological potential energy storage, sensing, bioelectronics. However, in the case insulating polymers, properties electrodes severely limited performance. To overcome these challenges, we report on post-processing redox treatment that allows tuning electrochemical laser-induced rGO/polymer...
Abstract Inspired by the functioning of human brain, organic synaptic transistors represent a promising avenue for developing neuromorphic technologies. However, achieving sustainability while maintaining performance and functionality remains critical challenge. Here, we report on an innovative strategy where synthetic melanin (Mel) – natural pigment known its improved ionic-electronic coupling, high volumetric capacitance, environmentally friendly characteristics is blended with benchmark...
Abstract Health monitoring is experiencing a radical shift from clinic‐based to point‐of‐care and wearable technologies, variety of nanomaterials transducers have been employed for this purpose. 2D materials (2DMs) hold enormous potential novel electronics, yet they struggle meet the requirements technologies. Here, aiming foster development 2DM‐based reduced graphene oxide (rGO)‐based liquid‐gated transistors (LGTs) cation sensing in artificial sweat endowed with distinguished performance...
The advent of immunotherapies with biological drugs has revolutionized the treatment cancers and auto-immune diseases. However, in some patients, production anti-drug antibodies (ADAs) hampers drug efficacy. concentration ADAs is typically range 1-10 pm; hence their immunodetection challenging. toward Infliximab (IFX), a used to treat rheumatoid arthritis other diseases, are focussed. An ambipolar electrolyte-gated transistor (EGT) immunosensor reported based on reduced graphene oxide (rGO)...
Abstract Ethanol is a biofuel used worldwide. However, the presence of excessive water either during distillation process or by fraudulent adulteration major concern in use ethanol fuel. High levels may cause engine malfunction, addition to being considered illegal. Here, we describe development simple, fast and accurate platform based on nanostructured sensors evaluate samples. The device fabrication facile, standard microfabrication thin-film deposition methods. sensor operation relies...
A new and green blend based on PEDOT:PSS synthetic melanin is demonstrated as an organic mixed ionic electronic conductor (OMIEC) with enhanced ionic–electronic coupling for electrochemical transistors supercapacitors.
This review summarizes a decade of research on oxidative debris (ODs) in graphene oxide (GO) and discusses the protocols for isolating ODs, their structural characteristics, influence several GO properties.
Abstract Ambipolar electrolyte‐gated transistors (EGTs) based on reduced graphene oxide (rGO) have been demonstrated as ultra‐sensitive and highly specific immunosensors. However, the physics chemistry ruling device operation are still not fully unraveled. In this work, aim is to elucidate nature of observed sensitivity device. Toward aim, a physical–chemical model that, coupled with experimental characterization rGO‐EGT, allows one quantitatively correlate biorecognition events at gate...
Organic thin-film transistors (OTFTs) are an ever-growing subject of research, powering recent technologies such as flexible and wearable electronics. Currently, many studies being carried out to push forward the state-of-the-art OTFT technology achieve characteristics that include high carrier mobility, low power consumption, flexibility, ability operate under harsh conditions. Here, we tackle this task by proposing a novel architecture exploring so-called rolled-up nanomembrane fabricate...
The charge transport in molecular systems is governed by a series of carrier-molecule quantum interactions, which result broad set chemical and physical phenomena. precise control such phenomena one the main challenges toward development novel device concepts. In systems, direct tunneling across 1–10 nm barriers activated hopping over longer distances have been described as mechanisms. continuous transition from mechanism to other, increasing distance, has mainly reported for chains...
Nanomembranes (NMs) are freestanding structures with few-nanometer thickness and lateral dimensions up to the microscale. In nanoelectronics, NMs have been used promote reliable electrical contacts distinct nanomaterials, such as molecules, quantum dots, nanowires, well support comprehension of condensed matter down nanoscale. Here, we propose a tunable device architecture that is capable deterministically changing both contact geometry current injection in nanoscale electronic junctions....
Ensemble molecular diodes employing carbon-based nanomaterials reveal a controllable current rectification ratio and direction inversion, both driven by temperature.
Abstract The monitoring of K + in saliva, blood, urine, or sweat represents a future powerful alternative diagnostic tool to prevent various diseases. However, several sensors are unable meet the requirements for development point‐of‐care (POC) sensors. To tackle this grand‐challenge, fabrication chemiresistors (CRs) based on 3D networks Au nanoparticles covalently bridged by ad‐hoc supramolecular receptors , namely dithiomethylene dibenzo‐18‐crown‐6 ether is reported here. A multi‐technique...
Control of supramolecular architectures inherent in layer-by-layer (LbL) films allows for synergistic effects between the film components, as reactions under controlled conditions. In this paper we show that a bienzyme system can be produced LbL films, which product reaction catalyzed by invertase (INV) is used catalysis process involving glucose oxidase (GOx). As proof principle, simultaneous detection and sucrose demonstrated an optimized architecture comprising poly allyllamine...
Graphene is a breakthrough 2D material due to its unique mechanical, electrical, and thermal properties, with considerable responsiveness in real applications. However, the coverage of large areas pristine graphene challenge derivatives have been alternatively exploited produce hybrid composite materials that allow for new developments, considering also handling using distinct methodologies. For electronic applications there significant interest investigation electrical properties related...