Harry Chou
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View article: Two-Step Growth of Uniform Monolayer MoS<sub>2</sub> Nanosheets by Metal–Organic Chemical Vapor Deposition
Two-Step Growth of Uniform Monolayer MoS<sub>2</sub> Nanosheets by Metal–Organic Chemical Vapor Deposition Open
To achieve large area growth of transition metal dichalcogenides of uniform monolayer thickness, we demonstrate metal-organic chemical vapor deposition (MOCVD) growth under low pressure followed by a high-temperature sulfurization process …
View article: A Library of Atomically Thin 2D Materials Featuring the Conductive‐Point Resistive Switching Phenomenon
A Library of Atomically Thin 2D Materials Featuring the Conductive‐Point Resistive Switching Phenomenon Open
Non‐volatile resistive switching (NVRS) is a widely available effect in transitional metal oxides, colloquially known as memristors, and of broad interest for memory technology and neuromorphic computing. Until recently, NVRS was not known…
View article: Two-dimensional materials synthesis, characterization, and devices : working with hexagonal boron nitride and graphene
Two-dimensional materials synthesis, characterization, and devices : working with hexagonal boron nitride and graphene Open
Two dimensional materials have unique properties that are anisotropic in-plane and out-of-plane. They further exhibit unique properties when they are thinned down to an isolated monolayer or a few layers. These properties have the potentia…
View article: Towards Universal Non-Volatile Resistance Switching in Non-metallic Monolayer Atomic Sheets
Towards Universal Non-Volatile Resistance Switching in Non-metallic Monolayer Atomic Sheets Open
Here, we report the intriguing observation of stable non-volatile resistance switching (NVRS) in single-layer atomic sheets sandwiched between metal electrodes. NVRS is observed in the prototypical semiconducting (MX2, M=Mo, W; and X=S, Se…
View article: Carbon-assisted chemical vapor deposition of hexagonal boron nitride
Carbon-assisted chemical vapor deposition of hexagonal boron nitride Open
We show that in a low-pressure chemical vapor deposition (CVD) system, the residual oxygen and/or air play a crucial role in the mechanism of the growth of hexagonal boron nitride (h-BN) films on Ni foil 'enclosures'. Hexagonal-B…
View article: Graphene-Al2O3-silicon heterojunction solar cells on flexible silicon substrates
Graphene-Al2O3-silicon heterojunction solar cells on flexible silicon substrates Open
The quest of obtaining sustainable, clean energy is an ongoing challenge. While silicon-based solar cells have widespread acceptance in practical commercialization, continuous research is important to expand applicability beyond fixed-poin…
View article: Laser-assisted oxidation of multi-layer tungsten diselenide nanosheets
Laser-assisted oxidation of multi-layer tungsten diselenide nanosheets Open
We report the structural and electrical characterization of tungsten oxides formed by illuminating multi-layer tungsten diselenide (WSe2) nanosheets with an intense laser beam in the ambient environment. A noninvasive microwave impedance m…