A5049700830- 2D Materials and Applications
- MXene and MAX Phase Materials
- Graphene research and applications
- Perovskite Materials and Applications
- Fusion materials and technologies
- Conducting polymers and applications
- Chalcogenide Semiconductor Thin Films
- ZnO doping and properties
- Quantum Dots Synthesis And Properties
- Advancements in Battery Materials
- Electrochemical sensors and biosensors
- Supercapacitor Materials and Fabrication
- Diamond and Carbon-based Materials Research
- Polymer Surface Interaction Studies
- Catalytic Processes in Materials Science
- Electrocatalysts for Energy Conversion
- High-Temperature Coating Behaviors
- Advanced materials and composites
- Organic Light-Emitting Diodes Research
- Nanomaterials for catalytic reactions
- Adsorption and biosorption for pollutant removal
- Magnetic confinement fusion research
- Advanced battery technologies research
- Superconducting Materials and Applications
- Advanced Photocatalysis Techniques
Pennsylvania State University
2015-2024
Southwest Forestry University
2023
State Forestry and Grassland Administration
2023
Tsinghua University
2022
Southwest Petroleum University
2020-2021
Jilin University
2015-2021
Shanghai University
2021
Ministry of Public Security of the People's Republic of China
2018
Harbin Institute of Technology
2014-2017
Harbin University
2015-2017
A multistep diffusion-mediated process was developed to control the nucleation density, size, and lateral growth rate of WSe2 domains on c-plane sapphire for epitaxial large area monolayer films by gas source chemical vapor deposition (CVD). The consists an initial step followed annealing period in H2Se promote surface diffusion tungsten-containing species form oriented islands with uniform size controlled density. conditions were then adjusted suppress further laterally grow a fully...
We describe a flexible biosensor, based on Mn-doped MoS 2 , for low-level detection of dopamine in sweat and serum solution.
Chemical doping constitutes an effective route to alter the electronic, chemical, and optical properties of two-dimensional transition metal dichalcogenides (2D-TMDs). We used a plasma-assisted method introduce carbon-hydrogen (CH) units into WS2 monolayers. found CH-groups be most stable dopant carbon WS2, which led reduction bandgap from 1.98 1.83 eV, as revealed by photoluminescence spectroscopy. Aberration corrected high-resolution scanning transmission electron microscopy (AC-HRSTEM)...
Dilute magnetic semiconductors (DMS), achieved through substitutional doping of spin-polarized transition metals into semiconducting systems, enable experimental modulation spin dynamics in ways that hold great promise for novel magneto-electric or magneto-optical devices, especially two-dimensional (2D) systems such as metal dichalcogenides accentuate interactions and activate valley degrees freedom. Practical applications 2D magnetism will likely require room-temperature operation, air...
A defect-controlled approach for the nucleation and epitaxial growth of WSe2 on hBN is demonstrated. The domains exhibit a preferred orientation over 95%, leading to reduced density inversion domain boundaries (IDBs) upon coalescence. First-principles calculations experimental studies as function conditions substrate pretreatment confirm that are controlled by surface defect rather than thermodynamic factors. Detailed transmission electron microscopy analysis provides support role...
This paper summarizes the latest progress in ITER blanket system design as it proceeds through its final phase with Final Design Review planned for Spring 2013. The is constrained by demanding and sometime conflicting interface requirements from plasma systems such vacuum vessel, in-vessel coils manifolds. represents a major challenge, which highlighted this examples of solutions to accommodate some key integration requirements.
Structural defects govern various physical, chemical, and optoelectronic properties of two-dimensional transition-metal dichalcogenides (TMDs). A fundamental understanding the spatial distribution dynamics in these low-dimensional systems is critical for advances nanotechnology. However, such has remained elusive primarily due to inaccessibility (a) necessary time scales via standard atomistic simulations (b) required spatiotemporal resolution experiments. Here, we take advantage supervised...
Abstract The ERA5 reanalysis product has been compared with hourly near-surface wind speed and gust observations across Sweden for 2013–2017. shows closer agreement than the previous ERA-Interim regard to both mean measurements, although significant discrepancies are still found inland mountainous regions. Therefore, attempts have made improve formulations of parametrization used in by adding an elevation-dependency adjusting convective contribution. Major improvements, especially over...
This work evaluates the performance of graphene oxide (GO) - copper ferrite (CuFe2O4) nanohybrid in removal Congo Red (CR) dye from aqueous solutions. The adsorbent was prepared via a three-step method. Firstly, GO produced modified Hummers method, using graphite powder as starting material. Following this, surface treated with ionic surfactants, cetyltrimethylammonium bromide (CTAB) and poly(sodium-4-styrenesulfonate) (PSS). Subsequently, functionalized decorated magnetic CuFe2O4...
The corrosion inhibition of Alternanthera philoxeroides extract (APE) for cold rolled steel (CRS) in Cl3CCOOH solution was examined by weight loss and electrochemical measurements. AFM, SEM, CLSM XPS techniques were executed to determine the mechanism. results show that APE acts as an excellent inhibitor CRS 0.10 M with efficiency (ηw) 94% at 200 mg L-1. adsorption on surface follows Langmuir model 20 30 oC, while Freundlich isotherm 40 50 oC. is a mixed type mainly retards anodic reaction....
A 3D VFG-nanocup hybrid structured electrode shows great promise for future utilization in high-performance supercapacitors.
Among post-graphene two dimensional (2D) materials, transition metal dichalcogenides (TMDs, such as MoS2) have attracted significant attention due to their superior properties for potential electronic, optoelectronic and energy applications. Scalable controllable powder vapor transport (PVT) methods been developed synthesize 2D MoS2 with morphologies (i.e. horizontal vertical), yet the growth mechanism from vertical orientation is not clearly understood. Here, we combined experimental...
A correlation exists between the degree of defects, wettability and supercapacitor properties VFG grown by PECVD.
Surface functionalization of metallic and semiconducting 2D transition metal dichalcogenides (TMDs) have mostly relied on physi- chemi-sorption at defect sites, which can diminish the potential applications decorated materials, as structural defects substantial drawbacks electronic optoelectronic characteristics. Here, we demonstrate a spontaneous defect-free method consisting attaching Au single atoms to monolayers MoS
Abstract The ability to control the density and spatial distribution of substitutional dopants in semiconductors is crucial for achieving desired physicochemical properties. Substitutional doping with adjustable levels has been previously demonstrated 2D transition metal dichalcogenides (TMDs); however, dopant remains an open field. In this work, edge termination as important characteristic TMD monocrystals that affects dopants. Particularly, chemical vapor deposition (CVD)‐grown monolayer...
The solid oxide electrolysis cell (SOEC) holds great promise to efficiently convert renewable energy into hydrogen. However, traditional modeling methods are limited a specific or reported SOEC system. Therefore, four machine learning models developed predict the performance of processes various types, operating parameters, and feed conditions. impact these features on SOEC's outputs is explained by Shapley additive explanations partial dependency plot analyses. preferred model integrated...
The effective use of the van der Waals 2D materials relies on their successful transfer from growth substrate onto other target substrates in form large films or flakes. In particular, it is important to such atomically thin samples various with minimal sample damage and exposure etchants chemicals realize applications. Here we develop a universal method that not only free reactive etchants, but also can maintain film morphology intact no tears cracks. We show variety different crystals...
Low-temperature synthesis of two-dimensional (2D) transition metal dichalcogenides (TMDs) is a key challenge for their integration with complementary metal-oxide-semiconductor (CMOS) technology at 'back-end-of-line (BEOL)'. Most low-temperature utilizes alkali salts, oxide-based metals, and methyl-group based chalcogen precursors which do not meet current BEOL requirements contaminant-free manufacturing process scalability. In this study, we benchmark carbon salt-free fully coalesced,...
Atomically thin two-dimensional (2D) transition metal dichalcogenides (TMDs) can be easily synthesized on SiO2/Si substrates by chemical vapor deposition (CVD). However, for practical applications, those 2D crystals usually need to retrieved and placed onto target substrates. Hence, a robust effective transfer process is required. Currently, the most widely used approach transferring CVD-grown TMDs involves spin-coating of poly(methyl methacrylate) (PMMA) support layer, followed wet etching...
We strategically created defects on the side surfaces of VFG <italic>via</italic> defect engineering using rotary plasma etching, which not only improves wettability with electrolyte, but also provides more electroactive sites.
Inversion asymmetry in two-dimensional materials grants them fascinating properties such as spin-coupled valley degrees of freedom and piezoelectricity, but at the cost inversion domain boundaries if epitaxy grown 2D layer -- on a polar substrate cannot adequately distinguish what are often near-degenerate 0{\deg} 180{\deg} orientations. We employ first-principles calculations to identify method lift this near-degeneracy: energetic distinction between eclipsed staggered configurations during...
Multi-interest candidate matching plays a pivotal role in personalized recommender systems, as it captures diverse user interests from their historical behaviors. Most existing methods utilize attention mechanisms to generate interest representations by aggregating item embeddings. However, these only capture overall item-level relevance, leading coarse-grained that include irrelevant information. To address this issue, we propose the Diffusion Multi-Interest model (DMI), novel framework for...