Search Results - "Lee, Zonghoon"
-
1
Determination of the Local Chemical Structure of Graphene Oxide and Reduced Graphene Oxide
Published in Advanced materials (Weinheim) (25-10-2010)“…The local atomic structure of graphene oxide (GO) and reduced annealed graphene oxide (raGO) is determined via ultra‐high‐resolution transmission electron…”
Get full text
Journal Article -
2
Substrate-Free Gas-Phase Synthesis of Graphene Sheets
Published in Nano letters (01-07-2008)“…We present a novel method for synthesizing graphene sheets in the gas phase using a substrate-free, atmospheric-pressure microwave plasma reactor. Graphene…”
Get full text
Journal Article -
3
Growth of High-Crystalline, Single-Layer Hexagonal Boron Nitride on Recyclable Platinum Foil
Published in Nano letters (10-04-2013)“…Hexagonal boron nitride (h-BN) is gaining significant attention as a two-dimensional dielectric material, along with graphene and other such materials. Herein,…”
Get full text
Journal Article -
4
High‐Performance Hydrogen Evolution by Ru Single Atoms and Nitrided‐Ru Nanoparticles Implanted on N‐Doped Graphitic Sheet
Published in Advanced energy materials (01-07-2019)“…The most efficient electrocatalyst for the hydrogen evolution reaction (HER) is a Pt‐based catalyst, but its high cost and nonperfect efficiency hinder…”
Get full text
Journal Article -
5
Ultralow-dielectric-constant amorphous boron nitride
Published in Nature (London) (25-06-2020)“…Decrease in processing speed due to increased resistance and capacitance delay is a major obstacle for the down-scaling of electronics 1 – 3 . Minimizing the…”
Get full text
Journal Article -
6
Large-area single-crystal AB-bilayer and ABA-trilayer graphene grown on a Cu/Ni(111) foil
Published in Nature nanotechnology (01-04-2020)“…High-quality AB-stacked bilayer or multilayer graphene larger than a centimetre has not been reported. Here, we report the fabrication and use of…”
Get full text
Journal Article -
7
The Origin of Improved Electrical Double-Layer Capacitance by Inclusion of Topological Defects and Dopants in Graphene for Supercapacitors
Published in Angewandte Chemie International Edition (24-10-2016)“…Low‐energy density has long been the major limitation to the application of supercapacitors. Introducing topological defects and dopants in carbon‐based…”
Get full text
Journal Article -
8
Low-Temperature Synthesis of Large-Scale Molybdenum Disulfide Thin Films Directly on a Plastic Substrate Using Plasma-Enhanced Chemical Vapor Deposition
Published in Advanced materials (Weinheim) (16-09-2015)“…By plasma‐enhanced chemical vapor deposition, a molybdenum disulfide (MoS2) thin film is synthesized directly on a wafer‐scale plastic substrate at below 300…”
Get full text
Journal Article -
9
Immiscible bi-metal single-atoms driven synthesis of electrocatalysts having superb mass-activity and durability
Published in Applied catalysis. B, Environmental (05-08-2020)“…[Display omitted] •Immiscible bimetal single atoms synthesized for the first time, with enhanced atomistic active surface area and durability.•High performance…”
Get full text
Journal Article -
10
Graphitization of graphene oxide films under pressure
Published in Carbon (New York) (01-06-2018)“…Lightweight, flexible graphite foils that are chemically inert, high-temperature resistant, and highly electrically and thermally conductive can be used as…”
Get full text
Journal Article -
11
Direct exfoliation and dispersion of two-dimensional materials in pure water via temperature control
Published in Nature communications (15-09-2015)“…The high-volume synthesis of two-dimensional (2D) materials in the form of platelets is desirable for various applications. While water is considered an ideal…”
Get full text
Journal Article -
12
Highly Oriented Monolayer Graphene Grown on a Cu/Ni(111) Alloy Foil
Published in ACS nano (26-06-2018)“…Fast-growth of single crystal monolayer graphene by CVD using methane and hydrogen has been achieved on “homemade” single crystal Cu/Ni(111) alloy foils over…”
Get full text
Journal Article -
13
Controllable synthesis of molybdenum tungsten disulfide alloy for vertically composition-controlled multilayer
Published in Nature communications (23-07-2015)“…The effective synthesis of two-dimensional transition metal dichalcogenides alloy is essential for successful application in electronic and optical devices…”
Get full text
Journal Article -
14
Structural and Optical Properties of Single- and Few-Layer Magnetic Semiconductor CrPS4
Published in ACS nano (28-11-2017)“…Atomically thin binary two-dimensional (2D) semiconductors exhibit diverse physical properties depending on their composition, structure, and thickness. By…”
Get full text
Journal Article -
15
Atomic transistors based on seamless lateral metal-semiconductor junctions with a sub-1-nm transfer length
Published in Nature communications (22-08-2022)“…The edge-to-edge connected metal-semiconductor junction (MSJ) for two-dimensional (2D) transistors has the potential to reduce the contact length while…”
Get full text
Journal Article -
16
Atomic Scale Study on Growth and Heteroepitaxy of ZnO Monolayer on Graphene
Published in Nano letters (11-01-2017)“…Atomically thin semiconducting oxide on graphene carries a unique combination of wide band gap, high charge carrier mobility, and optical transparency, which…”
Get full text
Journal Article -
17
Carbon Nanotubes/Heteroatom-Doped Carbon Core-Sheath Nanostructures as Highly Active, Metal-Free Oxygen Reduction Electrocatalysts for Alkaline Fuel Cells
Published in Angewandte Chemie International Edition (14-04-2014)“…A facile, scalable route to new nanocomposites that are based on carbon nanotubes/heteroatom‐doped carbon (CNT/HDC) core–sheath nanostructures is reported…”
Get full text
Journal Article -
18
Fast Synthesis of High-Performance Graphene Films by Hydrogen-Free Rapid Thermal Chemical Vapor Deposition
Published in ACS nano (28-01-2014)“…The practical use of graphene in consumer electronics has not been demonstrated since the size, uniformity, and reliability problems are yet to be solved to…”
Get full text
Journal Article -
19
Oxidation behavior of graphene-coated copper at intrinsic graphene defects of different origins
Published in Nature communications (16-11-2017)“…The development of ultrathin barrier films is vital to the advanced semiconductor industry. Graphene appears to hold promise as a protective coating; however,…”
Get full text
Journal Article -
20
Conversionless efficient and broadband laser light diffusers for high brightness illumination applications
Published in Nature communications (18-03-2020)“…Laser diodes are efficient light sources. However, state-of-the-art laser diode-based lighting systems rely on light-converting inorganic phosphor materials,…”
Get full text
Journal Article