623 citations · 2.1k across the 20 of their papers we have counts for
20 papers
Naturally occurring van der Waals materials
Riccardo Frisenda, Yue Niu, Patricia Gant +2
The exfoliation of two naturally occurring van der Waals minerals, graphite and molybdenite, arouse an unprecedented level of interest by the scientific community and shaped a whol…
Long-Term Stabilization of Two-Dimensional Perovskites by Encapsulation with Hexagonal Boron Nitride
Michael Seitz, Patricia Gant, Andres Castellanos-Gomez +1
Metal halide perovskites are known to suffer from rapid degradation, limiting their direct applicability. Here, the degradation of phenethylammonium lead iodide (PEA2PbI4) two-dime…
Direct transformation of crystalline MoO into few-layers MoS
Felix Carrascoso, Gabriel Sanchez-Santolino, Chun-wei Hsu +9
We fabricate large-area atomically thin MoS layers through the direct transformation of crystalline molybdenum MoS (MoO) by sulfurization at relatively low temperatures…
A system to test 2D optoelectronic devices in high vacuum
Qinghua Zhao, Felix Carrascoso, Patricia Gant +3
The exploration of electronic and optoelectronic properties of two-dimensional (2D) materials has become one of the most attractive line of research since the isolation of graphene…
A system for the deterministic transfer of 2D materials under inert environmental conditions
Patricia Gant, Felix Carrascoso, Qinghua Zhao +5
The isolation of air-sensitive two-dimensional (2D) materials and the race to achieve a better control of the interfaces in van der Waals heterostructures has pushed the scientific…
Tailored Graphenic Structures Directly Grown on Titanium Oxide Boost the Interfacial Charge Transfer
Roberto Munoz, Carlos Sanchez-Sanchez, Pablo Merino +7
The successful application of titanium oxide-graphene hybrids in the fields of photocatalysis, photovoltaics and photodetection strongly depends on the interfacial contact between…
Thickness determination of MoS2, MoSe2, WS2 and WSe2 on transparent stamps used for deterministic transfer of 2D materials
Najme S. Taghavi, Patricia Gant, Peng Huang +7
Here, we propose a method to determine the thickness of the most common transition metal dichalcogenides (TMDCs) placed on the surface of transparent stamps, used for the determini…
A strain tunable single-layer MoS2 photodetector
Patricia Gant, Peng Huang, David Pérez de Lara +3
Strain engineering, which aims to tune the bandgap of a semiconductor by the application of strain, has emerged as an interesting way to control the electrical and optical properti…
Moiré Intralayer Excitons in a MoSe/MoS Heterostructure
Nan Zhang, Alessandro Surrente, Michal Baranowski +4
Spatially periodic structures with a long range period, referred to as moiré pattern, can be obtained in van der Waals bilayers in the presence of a small stacking angle or of latt…
Towards Air Stability of Ultra-Thin GaSe Devices: Avoiding Environmental and Laser-Induced Degradation by Encapsulation
Qinghua Zhao, Riccardo Frisenda, Patricia Gant +7
Gallium selenide (GaSe) is a novel two-dimensional material, which belongs to the layered III-VIA semiconductors family and attracted interest recently as it displays single-photon…
Optical contrast and refractive index of natural van der Waals heterostructure nanosheets of franckeite
Patricia Gant, Foad Ghasemi, David Maeso +7
We study mechanically exfoliated nanosheets of franckeite by quantitative optical microscopy. The analysis of transmission mode and epi-illumination mode optical microscopy images…
Thickness-Dependent Differential Reflectance Spectra of Monolayer and Few-Layer MoS2, MoSe2, WS2 and WSe2
Yue Niu, Sergio Gonzalez-Abad, Riccardo Frisenda +12
The research field of two dimensional (2D) materials strongly relies on optical microscopy characterization tools to identify atomically thin materials and to determine their numbe…
Elucidating the Methylammonium (MA) Conformation in MAPbBr3 Perovskite with Application in Solar Cells
Carlos A. López, María Victoria Martínez-Huerta, María Consuelo Alvarez-Galván +6
Hybrid organic-inorganic perovskites, MAPbX3 (X= halogen), containing methylammonium (MA: CH3-NH3+) in the large voids conformed by the PbX6 octahedral network, are the active abso…
Recent progress in the assembly of nanodevices and van der Waals heterostructures by deterministic placement of 2D materials
Riccardo Frisenda, Efrén Navarro-Moratalla, Patricia Gant +4
Designer heterostructures can now be assembled layer-by-layer with unmatched precision thanks to the recently developed deterministic placement methods to transfer two-dimensional…
Characterization of highly crystalline lead iodide nanosheets prepared by room-temperature solution processing
Riccardo Frisenda, Joshua O. Island, Jose L. Lado +15
Two-dimensional semiconducting materials are particularly appealing for many applications. Although theory predicts a large number of two-dimensional materials, experimentally only…
Photodiodes based in La0.7Sr0.3MnO3/single layer MoS2 hybrid vertical heterostructures
Yue Niu, Riccardo Frisenda, Simon A. Svatek +9
The fabrication of artificial materials by stacking of individual two-dimensional (2D) materials is amongst one of the most promising research avenues in the field of 2D materials.…
Dielectrophoretic assembly of liquid-phase-exfoliated TiS3 nanoribbons for photodetecting applications
R. Frisenda, E. Giovanelli, P. Mishra +8
Liquid-phase-exfoliation is a technique capable of producing large quantities of two-dimensional material in suspension. Despite many efforts in the optimization of the exfoliation…
Lithography-free electrical transport measurements on 2D materials by direct microprobing
Patricia Gant, Yue Niu, Simon A. Svatek +6
We present a method to carry out electrical and opto-electronic measurements on 2D materials using carbon fiber microprobes to directly make electrical contacts to the 2D materials…
Micro-reflectance and transmittance spectroscopy: a versatile and powerful tool to characterize 2D materials
Riccardo Frisenda, Yue Niu, Patricia Gant +9
Optical spectroscopy techniques such as differential reflectance and transmittance have proven to be very powerful techniques to study 2D materials. However, a thorough description…
Highly responsive UV-photodetectors based on single electrospun TiO2 nanofibres
Aday J. Molina-Mendoza, Alicia Moya, Riccardo Frisenda +9
In this work we study the optoelectronic properties of individual TiO2 fibres produced through coupled sol-gel and electrospinning, by depositing them onto pre-patterned Ti/Au elec…