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Meeting 2022 TMS Annual Meeting & Exhibition
Symposium 2D Materials – Preparation, Properties & Applications
Presentation Title Novel Approach to Wafer Scale Integration of Graphene and h-BN Related 2-D Materials
Author(s) Jagdish Narayan
On-Site Speaker (Planned) Jagdish Narayan
Abstract Scope The device integration of graphene and reduced graphene oxide (rGO) is impeded by scalability and high temperature (>2000 K) treatment required for high-quality rGO. We present a novel approach for direct laser writing of heavily rGO films by nanosecond laser melting of amorphous carbon, where the quenching from the undercooled melt leads to the formation of large-area rGO films. The laser-irradiated rGO films exhibit electron mobility of 220 cm2/Vs and charge carrier concentration of -1.2x1021/cc at 300 K. Temperature-dependent electrical measurements and Raman spectroscopic investigations suggest low disorder and charge transport via 2D Mott variable range hopping (VRH) between the graphene islands for rGO films. The ultrafast regrowth of rGO creates an atomically sharp interface between n-type rGO and p-type amorphous carbon, resulting in a p–n junction heterojunction diodes This unique laser processing also solves the problems of traps and defects associated with equilibrium-based rGO fabrication methods.
Proceedings Inclusion? Planned:

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A Comprehensive Understanding of the Gas Sensing Properties of 2D Materials Using the Framework of Density Functional Theory
Bandgap-Temperature Modeling in Semiconductors - An Overview
Chemisorption of gadolinium ions on 2D-g-C3N4 for an efficient piezo-photocatalytic remediation of kanamycin sulfate
Corrosion behaviour of atomic layers of graphene on nickel surfaces exposed to aggressive microbial environments
Czochralski process for a rational design of Copper Crystals for Microbial Corrosion Applications
Dispersing two-dimensional Ti3C2Tx MXene nanosheets in Nonpolar Organic Solvents Within Minutes
Effect of Pore Alignment in the Mechanical Properties of 2D Material 3D Foam – Polymer Composites
Effect of Temperature and Acoustic Pressure During Ultrasound Liquid Phase Processing of Graphite in Water
Elastic Response and Strain Solitons Behavior of Molybdenum Ditelluride (MoTe2) Based 2D Van der Waals Heterostructure
Enhanced Emission at Telecommunication Wavelength from Silicon-Phosphorene Hybrid Device Doped with Erbium
Ferromagnetism in Q-carbon Balls as a Function of Their Size
High fidelity multi-physics numerical modelling of ultrasonic bubble dynamics and liquid exfoliation of 2D graphite
High Throughput Computational Investigation of Two Dimensional Ferroelectric Materials for Photocatalytic Applications
Immobilization of Glycine molecules on Graphene Oxide for Enhanced Piezoelectricity
Novel approach to produce thick CNT based Bucky paper for Radar Absorption and EMI Shielding Applications
Novel Approach to Wafer Scale Integration of Graphene and h-BN Related 2-D Materials
Preparation and Electro-sorption Performance of Lotus Petiole-Based Activated Carbon
Raman and Transport Characterization of Semiconducting and Superconducting Selenide-based Transition Metal Dichalcogenides
Rapid Exfoliation of Low-defectivity Graphene in Alkali Lignin Aqueous Media
Structural Phase Transition and Pseudoelastic Behavior in Strained Monolayer Molybdenum Ditelluride (MoTe2 )
Synthesis and Characterization of Laser-Induced Graphene for Gas Sensing Applications
Synthesis and characterization of MnCo2O4 /GQDs nano-composites for super capacitor electrodes
Well-defined 3D printing of titanium carbide (Ti3C2Tx) MXene nanosheets into complex and hierarchical microarchitectures with high aspect ratio

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