Search Results - "Kidambi, Piran R."
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A Review of Scalable Hexagonal Boron Nitride (h‐BN) Synthesis for Present and Future Applications
Published in Advanced materials (Weinheim) (01-02-2023)“…Hexagonal boron nitride (h‐BN) is a layered inorganic synthetic crystal exhibiting high temperature stability and high thermal conductivity. As a ceramic…”
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Fundamental transport mechanisms, fabrication and potential applications of nanoporous atomically thin membranes
Published in Nature nanotechnology (06-06-2017)“…This Review examines the development of nanoporous atomically thin membranes, focusing on fundamental mechanisms of gas- and liquid-phase transport, membrane…”
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Dual hydrogen production from electrocatalytic water reduction coupled with formaldehyde oxidation via a copper-silver electrocatalyst
Published in Nature communications (31-01-2023)“…The broad employment of water electrolysis for hydrogen (H 2 ) production is restricted by its large voltage requirement and low energy conversion efficiency…”
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In Situ Observations during Chemical Vapor Deposition of Hexagonal Boron Nitride on Polycrystalline Copper
Published in Chemistry of materials (25-11-2014)“…Using a combination of complementary in situ X-ray photoelectron spectroscopy and X-ray diffraction, we study the fundamental mechanisms underlying the…”
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5
Observing Graphene Grow: Catalyst–Graphene Interactions during Scalable Graphene Growth on Polycrystalline Copper
Published in Nano letters (09-10-2013)“…Complementary in situ X-ray photoelectron spectroscopy (XPS), X-ray diffractometry, and environmental scanning electron microscopy are used to fingerprint the…”
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6
Metal Oxide Induced Charge Transfer Doping and Band Alignment of Graphene Electrodes for Efficient Organic Light Emitting Diodes
Published in Scientific reports (20-06-2014)“…The interface structure of graphene with thermally evaporated metal oxide layers, in particular molybdenum trioxide (MoO 3 ), is studied combining…”
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7
Time Evolution of the Wettability of Supported Graphene under Ambient Air Exposure
Published in Journal of physical chemistry. C (04-02-2016)“…The wettability of graphene is both fundamental and crucial for interfacing in most applications, but a detailed understanding of its time evolution remains…”
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8
The Parameter Space of Graphene Chemical Vapor Deposition on Polycrystalline Cu
Published in Journal of physical chemistry. C (25-10-2012)“…A systematic study of the parameter space of graphene chemical vapor deposition (CVD) on polycrystalline Cu foils is presented, aiming at a more fundamental…”
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Differences in water and vapor transport through angstrom-scale pores in atomically thin membranes
Published in Nature communications (07-11-2022)“…The transport of water through nanoscale capillaries/pores plays a prominent role in biology, ionic/molecular separations, water treatment and protective…”
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10
Selective Nanoscale Mass Transport across Atomically Thin Single Crystalline Graphene Membranes
Published in Advanced materials (Weinheim) (01-05-2017)“…Atomically thin single crystals, without grain boundaries and associated defect clusters, represent ideal systems to study and understand intrinsic defects in…”
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Insulator-to-Metallic Spin-Filtering in 2D-Magnetic Tunnel Junctions Based on Hexagonal Boron Nitride
Published in ACS nano (22-05-2018)“…We report on the integration of atomically thin 2D insulating hexagonal boron nitride (h-BN) tunnel barriers into magnetic tunnel junctions (2D-MTJs) by…”
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12
Introducing Carbon Diffusion Barriers for Uniform, High-Quality Graphene Growth from Solid Sources
Published in Nano letters (09-10-2013)“…Carbon diffusion barriers are introduced as a general and simple method to prevent premature carbon dissolution and thereby to significantly improve graphene…”
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13
In Situ Observations of Phase Transitions in Metastable Nickel (Carbide)/Carbon Nanocomposites
Published in Journal of physical chemistry. C (06-10-2016)“…Nanocomposite thin films comprised of metastable metal carbides in a carbon matrix have a wide variety of applications ranging from hard coatings to magnetics…”
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14
Isolating the Roles of Hydrogen Exposure and Trace Carbon Contamination on the Formation of Active Catalyst Populations for Carbon Nanotube Growth
Published in ACS nano (27-08-2019)“…Limited understanding of the factors influencing the yield of carbon nanotubes (CNTs) relative to the number of catalyst particles remains an important barrier…”
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Carbon-assisted catalyst pretreatment enables straightforward synthesis of high-density carbon nanotube forests
Published in Carbon (New York) (01-11-2019)“…Despite extensive academic and commercial development, a comprehensive understanding of the principles necessary for high-yield production of carbon nanotubes…”
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16
Catalyst Interface Engineering for Improved 2D Film Lift-Off and Transfer
Published in ACS applied materials & interfaces (07-12-2016)“…The mechanisms by which chemical vapor deposited (CVD) graphene and hexagonal boron nitride (h-BN) films can be released from a growth catalyst, such as widely…”
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Assessing the quality of large-area monolayer graphene grown on liquid copper for size-selective ionic/molecular membrane separations
Published in Materials research express (01-10-2023)“…Abstract Monolayer graphene growth on liquid copper (Cu) has attracted attention due to advantages of a flat/smooth catalytic growth surface, high synthesis…”
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State‐of‐the‐Art and Future Prospects for Atomically Thin Membranes from 2D Materials
Published in Advanced materials (Weinheim) (01-12-2018)“…Atomically thin 2D materials, such as graphene, hexagonal boron‐nitride, and others, offer new possibilities for ultrathin barrier and membrane applications…”
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19
High-yield parallel fabrication of quantum-dot monolayer single-electron devices displaying Coulomb staircase, contacted by graphene
Published in Nature communications (14-07-2021)“…It is challenging for conventional top-down lithography to fabricate reproducible devices very close to atomic dimensions, whereas identical molecules and very…”
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Subatomic species transport through atomically thin membranes: Present and future applications
Published in Science (American Association for the Advancement of Science) (05-11-2021)“…Atomically thin two-dimensional materials present opportunities for selective transport of subatomic species. The pristine lattice of monolayer graphene and…”
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