Search Results - "Kaul, Anupama B."
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Two-dimensional layered materials: Structure, properties, and prospects for device applications
Published in Journal of materials research (14-02-2014)“…Graphene's layered structure has opened new prospects for the exploration of properties of other monolayer-thick two-dimensional (2D) layered crystals. The…”
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Stability and degradation in triple cation and methyl ammonium lead iodide perovskite solar cells mediated via Au and Ag electrodes
Published in Scientific reports (03-11-2022)“…Perovskite solar cells (PSCs), particularly based on the methyl ammonium lead iodide (MAPbI 3 ) formulation, have been of intense interest for the past decade…”
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Dramatic Enhancement of Optoelectronic Properties of Electrophoretically Deposited C60–Graphene Hybrids
Published in ACS applied materials & interfaces (10-07-2019)“…Fullerene (C60) and multilayer graphene hybrid devices were fabricated using electrophoretic deposition, where the C60 clusters are electrically charged upon…”
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Methylammonium Lead Tri-Iodide Perovskite Solar Cells with Varying Equimolar Concentrations of Perovskite Precursors
Published in Applied sciences (01-12-2021)“…During recent years, power conversion efficiencies (PCEs) of organic-inorganic halide perovskite solar cells (PSCs) have shown remarkable progress. The…”
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Light–matter interactions in two-dimensional layered WSe2 for gauging evolution of phonon dynamics
Published in Beilstein journal of nanotechnology (2020)“…Phonon dynamics is explored in mechanically exfoliated two-dimensional WSe2 using temperature-dependent and laser-power-dependent Raman and photoluminescence…”
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Ultra-High Optical Absorption Efficiency from the Ultraviolet to the Infrared Using Multi-Walled Carbon Nanotube Ensembles
Published in Small (Weinheim an der Bergstrasse, Germany) (08-04-2013)“…The optical absorption efficiencies of vertically aligned multi‐walled (MW)‐carbon nanotube (CNT) ensembles are characterized in the 350−7000 nm wavelength…”
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Progress and Application of Halide Perovskite Materials for Solar Cells and Light Emitting Devices
Published in Nanomaterials (Basel, Switzerland) (20-02-2024)“…Halide perovskite materials have attracted worldwide attention in the photovoltaic area due to the rapid improvement in efficiency, from less than 4% in 2009…”
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Light Confinement in Twisted Single-Layer 2D+ Moiré Photonic Crystals and Bilayer Moiré Photonic Crystals
Published in Photonics (01-01-2024)“…Twisted photonic crystals are photonic analogs of twisted monolayer materials such as graphene and their optical property studies are still in their infancy…”
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Electromechanical Carbon Nanotube Switches for High-Frequency Applications
Published in Nano letters (01-05-2006)“…We describe the fabrication and characterization of a nanoelectromechanical (NEM) switch based on carbon nanotubes. Our NEM structure consists of single-walled…”
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Selective CW Laser Synthesis of MoS2 and Mixture of MoS2 and MoO2 from (NH4)2MoS4 Film
Published in Micromachines (Basel) (09-02-2024)“…Very recently, the synthesis of 2D MoS2 and WS2 through pulsed laser-directed thermolysis can achieve wafer-scale and large-area structures, in ambient…”
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Carrier photodynamics in 2D perovskites with solution-processed silver and graphene contacts for bendable optoelectronics
Published in NPJ 2D materials and applications (25-03-2021)“…Silver (Ag) and graphene (Gr) inks have been engineered to serve as efficient electrical contacts for solution-processed two-dimensional (2D) organo-halide (CH…”
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Förster Resonance Energy Transfer and Enhanced Emission in Cs4PbBr6 Nanocrystals Encapsulated in Silicon Nano-Sheets for Perovskite Light Emitting Diode Applications
Published in Nanomaterials (Basel, Switzerland) (03-10-2024)“…Encapsulating Cs4PbBr6 quantum dots in silicon nano-sheets not only stabilizes the halide perovskite, but also takes advantage of the nano-sheet for a…”
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Photophysical Dynamics in Semiconducting Graphene Quantum Dots Integrated with 2D MoS2 for Optical Enhancement in the Near UV
Published in ACS applied materials & interfaces (03-02-2021)“…The hybrid structure of zero-dimensional (0D) graphene quantum dots (GQDs) and semiconducting two-dimensional (2D) MoS2 has been investigated, which exhibit…”
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Inkjet-Printed Organohalide 2D Layered Perovskites for High-Speed Photodetectors on Flexible Polyimide Substrates
Published in ACS applied materials & interfaces (04-03-2020)“…The synthesis of solution-processed two-dimensional (2D) layered organohalide (CH3(CH2)3NH3)2(CH3NH3) n−1Pb n I3n+1 (n = 2, 3, and 4) perovskites is presented,…”
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Quantum Multibody Interactions in Halide-Assisted Vapor-Synthesized Monolayer WSe2 and Its Integration in a High Responsivity Photodetector with Low-Interface Trap Density
Published in Chemistry of materials (10-12-2019)“…Among the two-dimensional (2D) transitional-metal dichalcogenides, monolayer (1L) tungsten diselenide (WSe2) has recently attracted a great deal of interest…”
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Ultra-high Photoresponsivity in Suspended Metal-Semiconductor-Metal Mesoscopic Multilayer MoS2 Broadband Detector from UV-to-IR with Low Schottky Barrier Contacts
Published in Scientific reports (19-01-2018)“…The design, fabrication, and characterization of ultra-high responsivity photodetectors based on mesoscopic multilayer MoS 2 is presented, which is a less…”
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Electron and hole-doping for influencing the electronic transport properties of MoS2 devices at room temperature
Published in IEEE sensors journal (15-10-2023)“…In this work, MoS2 flakes were mechanically exfoliated onto oxidized silicon substrates and electrically contacted using electron-beam lithography and physical…”
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Chemical exfoliation efficacy of semiconducting WS2 and its use in an additively manufactured heterostructure graphene–WS2–graphene photodiode
Published in RSC advances (2019)“…In the present work, various chemical exfoliation routes for semiconducting two-dimensional (2D) layered material WS2 are explored, which include magnetic…”
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Dramatic Enhancement of Optoelectronic Properties of Electrophoretically Deposited C 60 -Graphene Hybrids
Published in ACS applied materials & interfaces (10-07-2019)“…Fullerene (C ) and multilayer graphene hybrid devices were fabricated using electrophoretic deposition, where the C clusters are electrically charged upon the…”
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Role of metal contacts and effect of annealing in high performance 2D WSe2 field-effect transistors
Published in Surface & coatings technology (15-01-2020)“…Among the two dimensional (2D) transition metal dichalcogenides (TMDCs), tungsten diselenide (WSe2) have recently attracted much attention owing to its…”
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