Search Results - "Gutierrez, Humberto R"
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One-pot growth of two-dimensional lateral heterostructures via sequential edge-epitaxy
Published in Nature (London) (04-01-2018)“…An approach is developed for the continuous fabrication of lateral multi-junction heterostructures of transition-metal dichalcogenides, in which the sequential…”
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Extraordinary Room-Temperature Photoluminescence in Triangular WS2 Monolayers
Published in Nano letters (14-08-2013)“…Individual monolayers of metal dichalcogenides are atomically thin two-dimensional crystals with attractive physical properties different from those of their…”
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3
Strong room-temperature ferromagnetism in VSe2 monolayers on van der Waals substrates
Published in Nature nanotechnology (01-04-2018)“…Reduced dimensionality and interlayer coupling in van der Waals materials gives rise to fundamentally different electronic 1 , optical 2 and many-body quantum…”
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Controlled Synthesis and Transfer of Large-Area WS2 Sheets: From Single Layer to Few Layers
Published in ACS nano (25-06-2013)“…The isolation of few-layered transition metal dichalcogenides has mainly been performed by mechanical and chemical exfoliation with very low yields. In this…”
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Single‐Pore versus Dual‐Pore Bipyridine‐Based Covalent–Organic Frameworks: An Insight into the Heterogeneous Catalytic Activity for Selective CH Functionalization
Published in Small (Weinheim an der Bergstrasse, Germany) (01-06-2021)“…Exponential growth in the field of covalent–organic frameworks (COFs) is emanating from the direct correlation between designing principles and desired…”
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Identification of individual and few layers of WS2 using Raman Spectroscopy
Published in Scientific reports (30-04-2013)“…The Raman scattering of single- and few-layered WS 2 is studied as a function of the number of S-W-S layers and the excitation wavelength in the visible range…”
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Bandgap Engineering in 2D Lateral Heterostructures of Transition Metal Dichalcogenides via Controlled Alloying
Published in Small (Weinheim an der Bergstrasse, Germany) (01-03-2022)“…2D heterostructures made of transition metal dichalcogenides (TMD) have emerged as potential building blocks for new‐generation 2D electronics due to their…”
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8
Tip-Enhanced Photoluminescence of Freestanding Lateral Heterobubbles
Published in ACS applied materials & interfaces (02-03-2022)“…Two-dimensional (2D) semiconducting materials have promising applications in flexible optoelectronics, nanophotonics, and sensing based on the broad tunability…”
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9
Nitrogen-doped graphene: beyond single substitution and enhanced molecular sensing
Published in Scientific reports (17-08-2012)“…Graphene is a two-dimensional network in which sp 2 -hybridized carbon atoms are arranged in two different triangular sub-lattices (A and B). By incorporating…”
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10
Photosensor Device Based on Few-Layered WS2 Films
Published in Advanced functional materials (26-11-2013)“…Few‐layered films of WS2, synthesized by chemical vapor deposition on quartz, are successfully used as light sensors. The film samples are structurally…”
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Thermal Phase Control of Two-Dimensional Pt-Chalcogenide (Se and Te) Ultrathin Epitaxial Films and Nanocrystals
Published in Chemistry of materials (26-10-2021)“…The controlled synthesis and modification of the composition of layered compounds are essential prerequisites for their deployment in electronic or chemical…”
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Probing Graphene Edges via Raman Scattering
Published in ACS nano (27-01-2009)“…We present results of a Raman scattering study from the region near the edges of n-graphene layer films. We find that a Raman band (D) located near 1344 cm−1…”
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In-Plane Anisotropy in the Layered Topological Insulator Ta2Ni3Te5 Investigated via TEM and Polarized Raman Spectroscopy
Published in ACS nano (13-02-2024)“…Layered Ta2M3Te5 (M = Pd, Ni) has emerged as a platform to study 2D topological insulators, which have exotic properties such as spin-momentum locking and the…”
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14
Laser‐Assisted Chemical Modification of Monolayer Transition Metal Dichalcogenides
Published in Advanced functional materials (12-09-2018)“…Laser‐assisted chemical modification is demonstrated on ultrathin transition‐metal dichalcogenides (TMDs), locally replacing selenium by sulfur atoms. The…”
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15
Facile Morphological Qualification of Transferred Graphene by Phase‐Shifting Interferometry
Published in Advanced materials (Weinheim) (01-09-2020)“…Post‐growth graphene transfer to a variety of host substrates for circuitry fabrication has been among the most popular subjects since its successful…”
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Progress, Challenges, and Opportunities in Two-Dimensional Materials Beyond Graphene
Published in ACS nano (23-04-2013)“…Graphene’s success has shown that it is possible to create stable, single and few-atom-thick layers of van der Waals materials, and also that these materials…”
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Two-dimensional transition metal dichalcogenides: Clusters, ribbons, sheets and more
Published in Nano today (01-10-2015)“…•Electronic and optical properties of atomically thin layers of semiconducting di-chalcogenides are reviewed.•Top-down and bottom-up methods for mono- and…”
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Biexcitons in monolayer transition metal dichalcogenides tuned by magnetic fields
Published in Nature communications (13-09-2018)“…We present time-integrated four-wave mixing measurements on monolayer MoSe 2 in magnetic fields up to 25 T. The experimental data together with time-dependent…”
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Probing nano-heterogeneity and aging effects in lateral 2D heterostructures using tip-enhanced photoluminescence
Published in Optical materials express (01-04-2019)“…Interest in two-dimensional (2D) transition metal dichalcogenide materials has recently grown due to their tunable band gap, large exciton binding energy, and…”
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n-Type Behavior of Graphene Supported on Si/SiO2 Substrates
Published in ACS nano (01-10-2008)“…Results are presented from an experimental and theoretical study of the electronic properties of back-gated graphene field effect transistors (FETs) on Si/SiO2…”
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