A5101511924- Carbon and Quantum Dots Applications
- Perovskite Materials and Applications
- Luminescence and Fluorescent Materials
- Nanocluster Synthesis and Applications
- 2D Materials and Applications
- Quantum Dots Synthesis And Properties
- Advanced Memory and Neural Computing
- Advanced Photocatalysis Techniques
- Metal-Organic Frameworks: Synthesis and Applications
- Electrocatalysts for Energy Conversion
- Ferroelectric and Negative Capacitance Devices
- Advanced battery technologies research
- MXene and MAX Phase Materials
- Luminescence Properties of Advanced Materials
- Catalytic Processes in Materials Science
- Advancements in Battery Materials
- Solid-state spectroscopy and crystallography
- Organic Light-Emitting Diodes Research
- Advanced Battery Materials and Technologies
- Molecular Sensors and Ion Detection
- Supercapacitor Materials and Fabrication
- Graphene research and applications
- Fuel Cells and Related Materials
- Conducting polymers and applications
- Smart Grid and Power Systems
Jilin University
2017-2025
State Key Laboratory of Inorganic Synthesis and Preparative Chemistry
2017-2025
Jilin International Studies University
2022-2025
State Key Laboratory of New Ceramics and Fine Processing
2018-2024
Dalian Institute of Chemical Physics
2024
Chinese Academy of Sciences
2024
Tsinghua University
2018-2024
Shanghai Electric (China)
2024
Hong Kong Polytechnic University
2024
University of Hong Kong
2024
Carbon dots (CDs) with red-emitting room-temperature phosphorescence (RTP) are rarely reported because of the increasing nonradiative decay excited states and decreasing energy gap between ground states. Herein, we demonstrate a facile strategy for modulating RTP properties CDs in terms donor–acceptor transfer (EnT) CDs-in-zeolite system. Upon tuning heteroatoms (Zn2+, Mn2+) doped aluminophosphate zeolite frameworks, CDs@zeolite composites green red have been prepared via situ hydrothermal...
Abstract High‐entropy materials (HEMs) have been in the spotlight as emerging catalysts for electrochemical water splitting. In particular, HEM feature multi‐element active sites and unsaturated coordination well entropy stabilization comparison with their single‐element counterparts. Herein, a comprehensive overview of used splitting is provided, covering both hydrogen evolution reaction (HER) oxygen (OER). Particularly, review begins discussions concept structure HEMs. addition, effective...
Abstract Understanding of fundamental mechanism and kinetics the oxygen evolution reaction (OER) is pivotal for designing efficient OER electrocatalysts owing to its key role in electrochemical energy conversion devices. In past few years, lattice oxidation (LOM) arising from anodic redox chemistry has attracted significant attention as it involves a direct O─O coupling thus bypasses thermodynamic limitations traditional adsorbate (AEM). Transition metal‐based oxyhydroxides are generally...
A new multifunctional Eu-MOF based on a cationic viologen ligand has been synthesized. It exhibits interesting photochromism, hydrochromism and sensing ability for detection of toxic Cr<sub>2</sub>O<sub>7</sub><sup>2−</sup> CrO<sub>4</sub><sup>2−</sup> anions.
Abstract High‐efficiency red room‐temperature phosphorescence (RTP) emissions have been achieved by embedding carbon dots (CDs) in crystalline Mn‐containing open‐framework matrices. The rationale of this strategy relies on two factors: 1) the source, which affects triplet energy levels resulting CDs and thus spectral overlap 2) coordination geometry Mn atoms frameworks, determines crystal‐field splitting emission spectra. Embedding into a matrix with 6‐coordinate centers resulted strong RTP...
Metal halide perovskites have been widely applied in optoelectronic fields, but their poor stability hinders actual applications. A perovskite-zeolite composite was synthesized via situ growth air from aluminophosphate AlPO-5 zeolite crystals and perovskite nanocrystals. The matrix provides quantum confinement for nanocrystals, achieving efficient green emission, it passivates the defects of by H-bonding interaction, which leads to a longer lifetime compared bulk film. Furthermore, also acts...
As essential units in an artificial neural network (ANN), synapses have to adapt various environments. In particular, the development of synaptic transistors that can work above 125 °C is desirable. However, it challenging due failure materials or mechanisms at high temperatures. Here, we report a transistor working hundreds degrees Celsius. It employs monolayer MoS2 as channel and Na+-diffused SiO2 ionic gate medium. A large on/off ratio 106 be achieved 350 °C, 5 orders magnitude higher...
Synaptic devices based on 2D-layered materials have emerged as high-efficiency electronic synapses and neurons for neuromorphic computing. Lateral 2D synaptic the advantages of multiple functionalities by responding to diverse stimuli, but they consume large amounts energy, far more than human brain. Moreover, current lateral employ several mechanisms conductive filaments grain boundaries (GBs), their formation is random difficult control, also hindering practical applications. Here,...
Multilevel luminescence materials have aroused wide attention for their advanced anti-counterfeiting abilities. However, various complicated stimuli factors involved in multilevel (MlLA) limit the practical applications of such materials. Herein, carbon dots (CDs) are situ introduced into Eu-substituted AlPO4 -5 zeolite (named CDs@EuAPO-5) via a solvent-free thermal crystallization method, which exhibits triple emissions including pink fluorescence mainly associated with Eu3+ framework, blue...
Luminescence multiplexing shows promising application prospects in information security, yet even outstanding time division can only carry limited luminescence information. Time-space greatly expand the capacity by simultaneously transferring both and space dimensions. Herein, time-dependent polychrome stereoscopic system has been successfully developed designing a 3D based on resonance energy transfer (RET), which afterglow lifetime easily regulated carbon dots-in-zeolite composites are...
Raman spectroscopy is a powerful technique to probe structural and doping behaviors of two-dimensional (2D) materials. In MoS2, the always coexisting in-plane (E2g1) out-of-plane (A1g) vibrational modes are used as reliable fingerprints distinguish number layers, strains, levels. this work, however, we report an abnormal behavior, i.e., absence A1g mode in cetyltrimethylammonium bromide (CTAB)-intercalated MoS2 superlattice. This unusual behavior quite different from softening induced by...
Metal-halide perovskites possess great potential for electrochemical water splitting that has not been realized due to their intolerance water. Here, methylammonium lead halide (MAPbX3 ) are used electrocatalyze oxidation in aqueous electrolytes by creating MAPbX3 @AlPO-5 host-guest composites. Due the protective feature of zeolite matrix, perovskite nanocrystals (NCs) confined aluminophosphate AlPO-5 zeolites achieve an excellent stability The resultant electrocatalyst undergoes dynamic...
Metal halide perovskites (MHPs), renowned for their outstanding optoelectronic properties, hold significant promise as photocatalysts hydrogen evolution reaction (HER). However, the low stability and insufficient exposure of catalytically active sites bulky MHPs seriously impair catalytic efficiency. Herein, we utilized an extra-large-pore zeolite ZEO-1 (JZO) a host to confine stabilize CsPbBr
Hierarchical copper silicate hydrate hollow spheres-reduced graphene oxide (RGO) composite is successfully fabricated by a facile hydrothermal method using silica as in situ sacrificing template. The electrochemical performance of the lithium-ion battery anode was studied for first time. Benefiting from synergistic effect hierarchical structure and conductive RGO matrix, exhibits excellent long-life rate capability. A capacity 890 mAh/g achieved after 200 cycles at mA/g 429 retained 800 1000...
CD@zeolite composites with tunable TADF emission <italic>via</italic> an energy transfer process between confined CDs.
Structural asymmetry of materials plays a crucial role in developing multipurpose devices. Layered metallic transition metal dichalcogenides (MTMDCs) have been proposed as promising electronics. However, they are still subject to native surface oxidation, limiting their practical applications. Combination protection and oxidation MTMDCs will create asymmetric structures for devices but has yet be explored. Here, we report bifunctional NbS2-based vertical heterostructure derived from...
Organic afterglow materials are highly desirable for optoelectronic applications, but they usually suffer from complex preparation process, low quantum efficiency, and short lifetime due to the ult...
Memtransistor is a multiterminal device combining the concepts of memristor and field-effect transistor with two-dimensional (2D) materials. The gate tunability resistive switching in 2D memtransistor enables multifunctional modulation promising applications neuromorphic network. However, ratio remains small seriously limits its practical application. Here, we investigate based on 3-layer MoS2 realize electric, light, their combined modulations. In electric mode, tunable large scale range...
Photodetectors based on two-dimensional (2D) transition metal dichalcogenides (TMDs) can only be operated in a single photovoltaic or photoconductive mode, showing either high detectivity responsivity, but not both. An effort to develop photodetector that dynamically switch its working mode is indispensable for practical applications. In this article, we demonstrate performance, phase-transition modulated, dual-mode WSe2/VO2 heterojunction. Enabled by the insulator-to-metal of VO2,...
Open AccessCCS ChemistryRESEARCH ARTICLE1 Dec 2021Lifetime-Engineered Phosphorescent Carbon Dots-in-Zeolite Composites for Naked-Eye Visible Multiplexing Xiaowei Yu, Kaikai Liu, Hongyue Zhang, Bolun Wang, Guoju Yang, Jiyang Li and Jihong Yu State Key Laboratory of Inorganic Synthesis Preparative Chemistry, College Jilin University, Changchun 130012 , Liu *Corresponding authors: E-mail Address: [email protected] Henan Diamond Optoelectronic Materials Devices, Material Physics, Ministry...