A5052579194- Quantum Dots Synthesis And Properties
- Advanced Photocatalysis Techniques
- Perovskite Materials and Applications
- Copper-based nanomaterials and applications
- Advanced Sensor and Energy Harvesting Materials
- Advanced battery technologies research
- Fuel Cells and Related Materials
- MXene and MAX Phase Materials
- ZnO doping and properties
- 2D Materials and Applications
- Electrocatalysts for Energy Conversion
- Carbon and Quantum Dots Applications
- Ga2O3 and related materials
- Chalcogenide Semiconductor Thin Films
- Iron oxide chemistry and applications
- Gas Sensing Nanomaterials and Sensors
- Supercapacitor Materials and Fabrication
- Nanocluster Synthesis and Applications
- Graphene research and applications
- Polydiacetylene-based materials and applications
- Advancements in Battery Materials
- Acoustic Wave Resonator Technologies
- Luminescence and Fluorescent Materials
- GaN-based semiconductor devices and materials
- TiO2 Photocatalysis and Solar Cells
University of Shanghai for Science and Technology
2017-2025
Fudan University
2014-2023
Shanghai Research Institute of Materials
2018
A novel type of hierarchical nanocomposites consisted MoS 2 nanosheet coating on the self‐ordered TiO nanotube arrays is successfully prepared by a facile combination anodization and hydrothermal methods. The nanosheets are uniformly decorated tube top surface intertubular voids with film appearance changing from brown to black color. Anatase (NTAs) clean surfaces appropriate amount precursors key growth perfect compositing @MoS hybrids significantly enhanced photocatalytic activity...
There has been significant progress in the field of semiconductor photocatalysis, but it is still a challenge to fabricate low‐cost and high‐activity photocatalysts because safety issues non‐secondary pollution environment. Here, 2D hexagonal nanoplates α‐Fe 2 O 3 /graphene composites with relatively good distribution are synthesized for first time using simple, one‐step, template‐free, hydrothermal method that achieves effective reduction graphene oxide (GO) intimate large contact...
The treatment of environmental pollution has become one the most critical issues in world. Despite progress made study semiconductor photocatalysis, it is still a challenge to obtain photocatalysts with high activity through relatively simple fabrication processes. In this work, monodisperse CdS spherical nanoparticles (SNPs) various sizes and good crystallinity are obtained by only adjusting starting ratio reactants reaction temperature, exhibiting photocatalytic performances. rate constant...
Novel composites composed of α‐Fe 2 O 3 tetrakaidecahedrons and graphene oxide have been easily fabricated demonstrated to be efficient photoelectrodes for photoelectrochemical water splitting reaction with superior photocurrent response. are facilely synthesized in a green manner without any organic additives then modified oxide. The morphological structural properties /graphene composite intensively investigated by several means, such as X‐ray diffraction, field‐emission scanning electron...
Abstract Herein we report superior dye-adsorption performance for flower-like nanostructure composed of two dimensional (2D) MoS 2 nanosheets by a facile hydrothermal method, more prominent adsorption cationic dye compared with anodic indicates the strongly depends on surface charge nanosheets. The mechanism is analyzed, kinetic data fit well pseudo-second-order model, meanwhile capability at different equilibrium concentrations follows Langmuir indicating favorability and feasibility...
Abstract Efficient bifunctional oxygen reduction reaction (ORR) and evolution (OER) catalysts are of great importance for rechargeable metal–air batteries. Herein, FeN x /C synthesized by pyrolysis thiourea agarose containing α‐Fe 2 O 3 nanoplate as Fe precursor, where can prevent the aggregation carbon sheets to effectively improve specific surface area during carbonization process. The /C‐700‐20 catalyst displays excellent catalytic performance both ORR OER activity in alkaline conditions...
Shell-thickness dependent charge carrier dynamics and enhanced photoelectrochemical performance were studied in uniform core–shell CdS/TiO<sub>2</sub> composites.
Abstract Carbon dots (CDs) demonstrate great superiority in optoelectronic devices due to their tunable emission and photobleaching resistance properties. Although the fluorescence of CDs solution has been extensively studied, solid‐state (SSF) mechanism still remains largely unexplored experimentally. Herein, fluorescent with unique clusteroluminescence (CL) generated from clusterization‐triggered are designed based on condensation between precursors carboxyl amino groups. The obvious...
Low-dimensional ternary copper iodide metal halide with strong quantum confinement effects has made great progress in optoelectronic fields. However, efficient regulation of anisotropic growth halides single crystal still remains a challenge. Herein, 2 cm size CsCu2 I3 crystals tunable aspect ratio and the trap states (ntrap ) as low 5.38 × 109 cm-3 are fabricated by optimized anti-solvent vapor-assisted method, which cycle is shortened half. Evidenced real-time observation LaMer model,...
Single crystal copper halide perovskites (CsCu2I3) have gained extensive interest since their nontoxic composition and superior ultraviolet (UV) photodetect abilities. However, the surface defects of single CsCu2I3, especially iodine...
The improved PEC performance and in-depth charge carrier analysis were studied in CdS/C composites obtained by a facile synthesis.
Abstract The dangling‐bond‐free surfaces of 2D materials enable them to possess various degrees freedom form heterostructures with non‐2D materials. This allows for the combination advantages different dimensional fabricate van der Waals (vdW) heterostructures, thereby improving device performance and even bringing diversity novelty. Herein, a mixed‐dimensional vdW heterostructure photodiode comprising 1D tellurium (Te) nanowire molybdenum ditelluride (MoTe 2 ) flake is demonstrated. Forward...
Abstract Biosafe wearable healthcare monitor has attracted significant attention owing to their applicability electronics. However, the narrow sensing range and poor response limit application of flexible devices for comprehensive monitoring human health‐related physiological signals (i.e., pulse diagnosis). Critical challenges remain in development biocompatible materials design bio‐integrated platforms these purposes, targeting performance approaching those conventional wafer‐based...
The primary challenge for resonant-gravimetric gas sensors is the synchronous improvement of sensitivity and response time, which restricted by low adsorption capacity slow mass transfer in sensing process remains a great challenge. In this study, novel 2D/2D Cu-TCPP@ZnIn2S4 composite successfully constructed, Cu-TCPP MOF used as core substrate growth 2D ultrathin ZnIn2S4 nanosheets with well-defined {0001} crystalline facets. sensor exhibited high (1.5 Hz@50 2.3 Hz@100 ppb), limit detection...
With the rapid growth in wearable electronics sensing devices, flexible devices that monitor human body have shown great promise personalized healthcare. In study, high-quality GaN pn junction microwire arrays with different aspect ratios and large-area uniformity are fabricated through an easy, repeatable fabrication process. The piezoelectric coefficient (d33 ) of increases from 7.23 to 14.46 pm V-1 increasing ratio, which is several times higher than bulk material. Furthermore,...
Abstract Ultraviolet band C photodetectors (UVC PDs), which can convert the UVC light (200–280 nm) signals into detectable signals, have received tremendous attention due to their wide applications in bio‐medicine, communications, and imaging fields. However, current research primarily focuses on either conversion of electrical or its visible signals. Here, a flexible dual‐detectable PD based Ca 2 Nb 3 O 10 nanosheets CsCu I film is reported, simultaneously achieving visual detection for...
Fully exploiting plasmonic coupling of nanostructured metals is an effective method to promote surface-enhanced Raman scattering (SERS) performance for trace detection molecules. Herein, we propose a cross-section strategy maximize silver nanoparticles (AgNPs) in graphene-based membrane. Specifically, AgNPs are isolated by water-dispersible graphene (W-Gr) and enriched the vicinity W-Gr edges when assembling into macroscopic membrane, thus affording on cross section with uniform proper gaps...
g-C3N4/Cu2O p–n junction composites with different crystal facets were prepared by a simple one-step route, which showed strong facet-dependent photoactivity, where the degradation rate value k for 20% C3N4–Cu2O truncated cubes {100} heterojunction was ∼2.5 times higher than that of pure Cu2O cubes. Meanwhile, octahedra {111} exceeds factor ∼1.9. heterojunctions type II energy alignment are determined XPS analysis. Larger band offset (0.96 eV ΔECBO, 1.73 ΔEVBO) observed in compared (0.85...