Ke Xiao

ORCID: 0009-0007-2886-5929
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About
Contact & Profiles
Research Areas
  • 2D Materials and Applications
  • Chalcogenide Semiconductor Thin Films
  • Perovskite Materials and Applications
  • Advancements in Battery Materials
  • Quantum Dots Synthesis And Properties
  • Advanced Thermoelectric Materials and Devices
  • Advanced Battery Materials and Technologies
  • Microfluidic and Bio-sensing Technologies
  • Micro and Nano Robotics
  • Graphene research and applications
  • Porphyrin and Phthalocyanine Chemistry
  • Image Processing and 3D Reconstruction
  • Liquid Crystal Research Advancements
  • Luminescence and Fluorescent Materials
  • Molecular Junctions and Nanostructures
  • X-ray Diffraction in Crystallography
  • Advanced oxidation water treatment
  • Crystallization and Solubility Studies
  • Mineral Processing and Grinding
  • Organic Electronics and Photovoltaics
  • Supramolecular Self-Assembly in Materials
  • Supercapacitor Materials and Fabrication
  • Lipid Membrane Structure and Behavior
  • Conducting polymers and applications
  • Silicon Carbide Semiconductor Technologies

Chinese Academy of Sciences
2023-2025

Institute of Solid State Physics
2023-2025

University of Science and Technology of China
2023-2025

Analysis and Testing Centre
2024

Xiamen University of Technology
2020-2024

Xiamen University
2019-2024

University of Hong Kong
2019-2024

Max Planck Institute of Microstructure Physics
2024

Shenzhen University
2023-2024

Jiangxi Copper (China)
2024

There is a need for the development of lead-free thermoelectric materials medium-/high-temperature applications. Here, we report thiol-free tin telluride (SnTe) precursor that can be thermally decomposed to produce SnTe crystals with sizes ranging from tens several hundreds nanometers. We further engineer SnTe-Cu2SnTe3 nanocomposites homogeneous phase distribution by decomposing liquid containing dispersion Cu1.5Te colloidal nanoparticles. The presence Cu within and segregated semimetallic...

10.1021/acsami.3c00625 article EN cc-by ACS Applied Materials & Interfaces 2023-05-04

Cu2-xS and Cu2-xSe have recently been reported as promising thermoelectric (TE) materials for medium-temperature applications. In contrast, Cu2-xTe, another member of the copper chalcogenide family, typically exhibits low Seebeck coefficients that limit its potential to achieve a superior figure merit, zT, particularly in low-temperature range where this material could be effective. To address this, we investigated TE performance Cu1.5-xTe-Cu2Se nanocomposites by consolidating...

10.1021/acsnano.3c00495 article EN ACS Nano 2023-04-18

Schematic illustration of hydrothermal exfoliation graphite to produce graphene with intercalant and stabilizer under stirring conditions.

10.1039/c3nr06219h article EN Nanoscale 2014-01-01

The cost-effective conversion of low-grade heat into electricity using thermoelectric devices requires developing alternative materials and material processing technologies able to reduce the currently high device manufacturing costs. In this direction, that do not rely on rare or toxic elements such as tellurium lead need be produced high-throughput involving temperatures long processes. Bi2Se3 is an obvious possible Te-free Bi2Te3 for ambient temperature applications, but its performance...

10.3390/nano11071827 article EN cc-by Nanomaterials 2021-07-14

Conbercept is a genetically engineered homodimeric protein for the treatment of wet age-related macular degeneration (wet AMD) that functions by blocking VEGF-family proteins. Its huge, highly variable architecture makes characterization and development functional assay difficult. In this study, primary structure, number disulfide linkages glycosylation state conbercept were characterized high-performance liquid chromatography, mass spectrometry, capillary electrophoresis. Molecular modeling...

10.1371/journal.pone.0057642 article EN cc-by PLoS ONE 2013-03-04

Excitons in monolayer transition metal dichalcogenides (TMDs) provide a paradigm of composite Boson two-dimensional system. This Letter reports photoluminescence and reflectance study excitons molybdenum diselenide (MoSe2) with electrostatic gating. We observe the repulsive attractive Fermi polaron modes band edge exciton, its excited state, spin-off excitons, which simple three-particle trion model is insufficient to explain. The contrasting energy shift between exciton charge-bound...

10.1021/acs.jpclett.1c00320 article EN The Journal of Physical Chemistry Letters 2021-03-08

The direct, solid state, and reversible conversion between heat electricity using thermoelectric devices finds numerous potential uses, especially around room temperature. However, the relatively high material processing cost limits their real applications. Silver selenide (Ag

10.1021/acsaelm.3c00055 article EN cc-by ACS Applied Electronic Materials 2023-05-05

Influences of growth parameters on the shape and ferroelectric properties a 2D-In<sub>2</sub>Se<sub>3</sub>layered structure grown by CVD were systematically studied.

10.1039/c9nr10207h article EN Nanoscale 2020-01-01

MoS 2 /Ni 3 S @C shows excellent sodium/potassium storage performance, which is due to carbon layer-confined heterostructure, creating more sites, shortening ions diffusion path and relieving the volume change of material.

10.1039/d3ta01792c article EN Journal of Materials Chemistry A 2023-01-01

The giant exciton binding energy and the richness of degrees freedom make monolayer transition metal dichalcogenide an unprecedented playground for exploring physics in 2D systems. Thanks to well energetically separated excitonic states, response discrete states electric field could be precisely examined. Here we utilize photocurrent spectroscopy probe under a static in-plane field. We demonstrate that leads significant orbital hybridization Rydberg with different angular momentum...

10.1103/physrevlett.131.036901 article EN Physical Review Letters 2023-07-17

The effects of cooling conditions on graphene growth by the atmospheric pressure chemical vapor deposition (APCVD) method platinum are investigated. It is found that key to better control coverage, thickness and uniformity films. A series experiments were carried out with different rates gas atmospheres. Various characterization techniques (SEM, Raman, AFM TEM) applied examine morphology quality. "three competitive reactions" mechanism proposed explain condition effects. Based optimized...

10.1039/c3nr00524k article EN Nanoscale 2013-01-01

Photonic circuit systems based on optical waveguiding heteroarchitectures have attracted considerable interest owing to their potential overcome the speed limitation in electronic circuits by modulating signal at micro- or nanoscale. However, controlling parameters, including wavelength and polarization of light outcoupling, as well sequence among different building blocks, remains a key issue. Herein, supramolecular made phosphorescent organometallic complexes Pt, Pd, Cu, Au are applied...

10.1002/adma.202204839 article EN Advanced Materials 2022-09-13

Efficient and long-range exciton transport is critical for photosynthesis opto-electronic devices, triplet-harvesting materials, triplet diffusion length ( LD ) coefficient D are key parameters in determining their performances. Herein, we observed that PtII PdII organometallic nanowires exhibit anisotropic of 5-7 μm along the M-M direction using direct photoluminescence (PL) imaging technique by low-power continuous wave (CW) laser excitation. At room temperature, via a combined...

10.1002/anie.202114323 article EN Angewandte Chemie International Edition 2021-12-23

This paper discusses new approaches to parameter estimation of gamma distribution based on representative points. In the first part, existence and uniqueness mean squared error points (MSE-RPs) are discussed theoretically. second by comparing three types points, we show that MSE-RPs perform well in simulation. The last part proposes a Harrel–Davis sample standardization technique. Simulation studies reveal standardized samples can be used improve performance or generate MSE-RPs. addition,...

10.3390/math11040927 article EN cc-by Mathematics 2023-02-12
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