A5003339166- Molecular Junctions and Nanostructures
- Electronic and Structural Properties of Oxides
- Semiconductor materials and devices
- Graphene research and applications
- Diamond and Carbon-based Materials Research
- Electrocatalysts for Energy Conversion
- Organic Electronics and Photovoltaics
- ZnO doping and properties
- 2D Materials and Applications
- Electrochemical Analysis and Applications
- Advanced battery technologies research
- Advanced Photocatalysis Techniques
- Advanced Memory and Neural Computing
- Fuel Cells and Related Materials
- Quantum and electron transport phenomena
- Magnetic and transport properties of perovskites and related materials
- Copper-based nanomaterials and applications
- Gas Sensing Nanomaterials and Sensors
- Conducting polymers and applications
- MXene and MAX Phase Materials
- Perovskite Materials and Applications
- Transition Metal Oxide Nanomaterials
- Surface Chemistry and Catalysis
- Quantum Dots Synthesis And Properties
- Advancements in Battery Materials
Queensland University of Technology
2018-2025
Guizhou University
2025
First Affiliated Hospital of Anhui Medical University
2025
Anhui Medical University
2025
Tianjin Chengjian University
2022
National University of Singapore
2006-2021
Brisbane School of Theology
2019-2021
Nanyang Technological University
2021
Institute of New Materials
2021
Anhui University
2021
Epitaxial graphene thermally grown on 6H-SiC(0001) can be p-type doped via a novel surface transfer doping scheme by modifying the with electron acceptor, tetrafluoro-tetracyanoquinodimethane (F4-TCNQ). Synchrotron-based high-resolution photoemission spectroscopy reveals that from to adsorbed F4-TCNQ is responsible for of graphene. This modification appropriate molecular acceptors represents simple and effective method nondestructively dope epitaxial future nanoelectronics applications.
Gallium oxide (Ga2O3) is an emerging wide bandgap semiconductor that has attracted a large amount of interest due to its ultra-large 4.8 eV, high breakdown field 8 MV/cm, and thermal stability. These properties enable Ga2O3 promising material for range applications, such as power electronic devices solar-blind ultraviolet (UV) photodetectors. In the past few years, significant process been made growth high-quality bulk crystals thin films device optimizations electronics solar blind UV...
Metal halide perovskites represent a family of the most promising materials for fascinating photovoltaic and photodetector applications due to their unique optoelectronic properties much needed simple low-cost fabrication process. The high atomic number (Z) constituents significantly higher carrier mobility also make perovskite semiconductors suitable detection ionizing radiation. By taking advantage that, direct soft-X-ray-induced photocurrent is demonstrated in both rigid flexible...
Abstract Although the carbon‐supported single‐atom (SA) electrocatalysts (SAECs) have emerged as a new form of highly efficient oxygen reduction reaction (ORR) electrocatalysts, preferable sites carbon support for anchoring SAs are somewhat elusive. Here, KOH activation approach is reported to create abundant defects/vacancies on porous graphitic nanosphere (CNS) with selective adsorption capability toward transition‐metal (TM) ions and innovatively utilize created controllably anchor TM–SAs...
Aqueous electrolytes with a low voltage window (1.23 V) and prone side reactions, such as hydrogen evolution reaction cathode dissolution, compromise the advantages of high safety cost aqueous metal-ion batteries. Herein, introducing catechol (CAT) into electrolyte, an outer sphere electron transfer mechanism is initiated to inhibit water reactivity, achieving electrochemical 3.24 V. In typical Zn-ion battery, electrons jump from CAT Zn2+-H2O at geometrically favorable situation between...
We report direct evidence of room-temperature ferromagnetic ordering in O-deficient ZnO:Cu films by using soft x-ray magnetic circular dichroism and absorption. Our measurements have revealed unambiguously two distinct features Cu atoms associated with (i) magnetically ordered ions present only the oxygen-deficient samples (ii) disordered regular ${\mathrm{Cu}}^{2+}$ all samples. find that a sufficient amount both oxygen vacancies (${V}_{\mathrm{O}}$) impurities is essential to observed...
Abstract Organic–organic heterojunctions (OOHs) are critical features in organic light‐emitting diodes, ambipolar field‐effect transistors and solar cells, which fundamental building blocks low‐cost, large‐scale, flexible electronics. Due to the highly anisotropic nature of π‐conjugated molecules, molecular orientation thin films can significantly affect device performance, such as light absorption charge‐carrier transport, well energy level alignment at OOH interfaces. This Feature Article...
We report room temperature ferromagnetism in partially hydrogenated epitaxial graphene grown on 4HSiC(0001). The presence of was confirmed by superconducting quantum interference devices measurements. Synchrotron-based near-edge x-ray absorption fine structure and high resolution electron energy loss spectroscopy measurements have been used to investigate the hydrogenation mechanism origin ferromagnetism. partial induces formation unpaired electrons graphene, which together with remnant...
Surface transfer doping of diamond has been demonstrated using MoO3 as a surface electron acceptor material. Synchrotron-based high resolution photoemission spectroscopy reveals that electrons are transferred from the to MoO3, leading formation sub-surface quasi 2-dimensional hole gas within diamond. Ex-situ electrical characterization an increase in carrier concentration 1.00 × 1013/cm2 for air-exposed hydrogen-terminated 2.16 following deposition. This demonstrates potential improve...
<bold>Hole for faster OER:</bold> The hole state induced by Fe<sup>4+</sup> promotes the OER process. It reduces energy barrier electron transfer at interface and facilitates a from reaction intermediates to catalyst.
Transition metal oxides are being actively pursued as low-cost electrocatalysts for the oxygen evolution reaction (OER) in many electrochemical energy devices. A fundamental understanding of oxide electronic structures, along with ability to rationally tune them, is a key step toward designing highly active catalysts. Here, we report tuning structure NiO via Li doping (LixNi1–xO) enhance OER activities. We identified that Li0.5Ni0.5O (LiNiO2) has highest activity, comparable or exceeding...
Surface transfer doping of hydrogen-terminated diamond has been achieved utilising V2O5 as a surface electron accepting material. Contact between the oxide and promotes electrons from into revealed by synchrotron-based high resolution photoemission spectroscopy. Electrical characterization Hall measurement performed before after deposition shows an increase in hole carrier concentration 3.0 × 1012 to 1.8 1013 cm−2 at room temperature. High temperature measurements up 300 °C atmosphere reveal...
2D black phosphorus (BP) is one promising electrocatalyst toward hydrogen evolution reaction (HER) and oxygen (OER) catalysis. The too strong adsorption of intermediates during OER, while the weak intermediate HER, however, greatly compromise its practical water splitting applications with overpotentials as high 450 mV for OER 420 HER to achieve 10 mA cm-2 under alkaline conditions. Herein, by rationally introducing nanosized iridium (Ir) modifier together optimized exposing surface...
Hydrogen-rich organic molecules such as alcohols are widely used hydrogen donors in transfer hydrogenation. Nevertheless, water a more abundant and ecofriendly source has hardly been due to the high difficulty splitting molecules. Herein, we designed photocatalytic water-donating hydrogenation (PWDTH) technique, which was extracted from under light illumination then situ added different unsaturated bonds (C═C, C═O, N═O) for chemical synthesis. Platinum-loaded carbon nitride (Pt/CN) model...
Abstract 2D materials based on main group element compounds have recently attracted significant attention because of their rich stoichiometric ratios and structure motifs. This review focuses the phases in various binary including III–VI, IV–VI, V–VI, III–V, IV–V, V–V materials. Reducing 3D to introduces confinement surface effects as well stabilizes unstable form. Their crystal structures, stability, preparation, applications are summarized theoretical predictions experimental explorations....
CuWO<sub>4</sub> is an n-type oxide semiconductor with a bandgap of 2.2 eV which exhibits great potential for photoelectrochemical (PEC) conversion solar energy into chemical fuels.
Double perovskite oxides are one of the most promising bifunctional electrocatalysts for efficient oxygen evolution reaction (OER) and reduction (ORR) due to their adjustable electronic structures via doping with different metal cations or engineering defects. Herein, we report a systematic study on tuning structure La2–xSrxNiMnO6 0 ≤ x 1.0 promote OER/ORR activity. The index (ΔE) is substantially reduced increasing Sr contents achieves an optimal value 0.85 V La1.4Sr0.6NiMnO6, exceeding...
Abstract 2D heterostructures provide another exciting opportunity for extending the application of materials in energy conversion and storage devices, due to their flexibility electronic structure modulations surface chemistry regulations. Herein, by coupling liquid‐exfoliated mildly oxidized black phosphorus nanosheets (BP‐NSs) with wet‐chemically synthesized nickel Ni(OH) 2 (NH‐NSs), 2D/2D heterostructured (BNHNSs) are rationally constructed a favorable transition electron desired...