Thickness-Independent Semiconducting-to-Metallic Conversion in Wafer-Scale Two-Dimensional PtSe2 Layers by Plasma-Driven Chalcogen Defect Engineering

MS Shawkat, J Gil, SS Han, TJ Ko… - … applied materials & …, 2020 - ACS Publications
Platinum diselenide (PtSe2) is an emerging class of two-dimensional (2D) transition-metal
dichalcogenide (TMD) crystals recently gaining substantial interest, owing to its …

Vertically Aligned 2D MoS2 Layers with Strain-Engineered Serpentine Patterns for High-Performance Stretchable Gas Sensors: Experimental and Theoretical …

MA Islam, H Li, S Moon, SS Han… - … Applied Materials & …, 2020 - ACS Publications
Two-dimensional (2D) molybdenum disulfide (MoS2) with vertically aligned (VA) layers
exhibits significantly enriched surface-exposed edge sites with an abundance of dangling …

Atomic-scale characterization of structural heterogeny in 2D TMD layers

H Li, C Yoo, TJ Ko, JH Kim, Y Jung - Materials Advances, 2022 - pubs.rsc.org
The heterogeneity features in 2-dimensional (2D) transition metal dichalcogenide (TMD)
layered materials endow them with distinctive properties for a vast array of novel …

Growth Mechanism of Periodic-Structured MoS2 by Transmission Electron Microscopy

A Mukundan, YM Tsao, SB Artemkina, VE Fedorov… - Nanomaterials, 2021 - mdpi.com
Molybdenum disulfide (MoS2) was grown on a laser-processed periodic-hole sapphire
substrate through chemical vapor deposition. The main purpose was to investigate the …

Emerging transmission electron microscopy solutions for electrocatalysts: from synthesis to deactivation

L Wei, Z Xu, X Wu, X Ke, M Sui - Materials Chemistry Frontiers, 2024 - pubs.rsc.org
Clean energy innovation has triggered the thriving development of electrocatalysts which
maximize the utilization of renewable energy. Structural characterization of electrocatalysts …

Large-area vertically aligned 2D MoS2 layers on TEMPO-cellulose nanofibers for biodegradable transient gas sensors

C Yoo, J Yoon, MG Kaium, B Osorto, SS Han… - …, 2022 - iopscience.iop.org
Crystallographically anisotropic two-dimensional (2D) molybdenum disulfide (MoS 2) with
vertically aligned (VA) layers is attractive for electrochemical sensing owing to its surface …

Investigation of Atomic‐Scale Mechanical Behavior by Bias‐Induced Degradation in Janus and Alloy Polymorphic Monolayer TMDs via In Situ TEM

HY Sung, CT Chen, YT Tseng, YL Chueh… - Small …, 2023 - Wiley Online Library
The 2D Janus transition‐metal dichalcogenides (TMDs) and alloyed TMDs are a widely
studied emerging class of 2D materials that have been extensively used in electronic …

In situ characterization of transformations in nanoscale layered metal chalcogenide materials: a review

N Kondekar, PP Shetty, SC Wright… - …, 2021 - Wiley Online Library
Layered metal chalcogenide materials, such as MoS2 and Bi2Te3, have found important
applications as 2D materials in emerging electronic devices. To create nanoscale layered …

Studying the Effect of Oxidation on the Thermolysis of (NH4)2WS4 with In‐ and Ex‐Situ Electron Microscopy

CF Rowe, JT Allen, HL Threlkeld, EV Formo - ChemNanoMat, 2024 - Wiley Online Library
Thermolysis is a common technique in materials synthesis; however, oxidation of precursors
used in these processes destroys the ability to generate end‐products with the desired …

Atomic-scale mechanisms on the stepwise growth of Mo x W 1− x S 2 into hexagonal flakes

J Huang, Z Zhang, Y Ying, M Gan, H Huang… - Chemical …, 2022 - pubs.rsc.org
The systematic in situ transmission electron microscopy (TEM) analysis suggests three
stepwise formation stages during the growth of MoxW1− xS2 hexagonal flakes, which are …