A5033660374- Advanced Memory and Neural Computing
- Advanced Sensor and Energy Harvesting Materials
- Conducting polymers and applications
- Graphene research and applications
- 2D Materials and Applications
- Luminescence and Fluorescent Materials
- Perovskite Materials and Applications
- Carbon and Quantum Dots Applications
- Organic Electronics and Photovoltaics
- MXene and MAX Phase Materials
- Nanomaterials and Printing Technologies
- Supercapacitor Materials and Fabrication
- Polydiacetylene-based materials and applications
- Ferroelectric and Negative Capacitance Devices
- Nanocluster Synthesis and Applications
- Photoreceptor and optogenetics research
- Covalent Organic Framework Applications
- Organic Light-Emitting Diodes Research
- Transition Metal Oxide Nanomaterials
- Neuroscience and Neural Engineering
- Carbon Nanotubes in Composites
- Quantum Dots Synthesis And Properties
- X-ray Diffraction in Crystallography
- Semiconductor materials and devices
- Electrocatalysts for Energy Conversion
Nanjing Tech University
2016-2025
China University of Mining and Technology
2019-2024
The Synergetic Innovation Center for Advanced Materials
2014-2022
Harbin Institute of Technology
2021-2022
China University of Mining and Technology - Beijing
2021-2022
Shenzhen University
2021
Nanyang Technological University
2012-2016
Nanjing University of Posts and Telecommunications
2009-2013
Nanjing University
2009
Two-dimensional (2D) metal–organic framework (MOF) nanosheets have been recently regarded as the model electrocatalysts due to their porous structure, fast mass and ion transfer through thickness, large portion of exposed active metal centers. Combining them with electrically conductive 2D is anticipated achieve further improved performance in electrocatalysis. In this work, we situ hybridized cobalt 1,4-benzenedicarboxylate (CoBDC) Ti3C2Tx (the MXene phase) via an interdiffusion...
Abstract A facile method for exfoliation and dispersion of molybdenum disulfide (MoS 2 ) with the aid polyvinylpyrrolidone (PVP) is proposed. The resultant PVP‐coated MoS nanosheets, i.e., ‐PVP nanocomposites, are well dispersed in low‐boiling ethanol solvent, facilitating their thin film preparation device fabrication by solution processing technique. As a proof concept, flexible memory diode configuration reduced graphene oxide (rGO)/MoS ‐PVP/Al exhibited typical bistable electrical...
Abstract A simple thermal annealing method for layer thinning and etching of mechanically exfoliated MoS 2 nanosheets in air is reported. Using this method, single‐layer (1L) are achieved after the from double‐layer (2L) to quadri‐layer (4L) at 330 °C. The as‐prepared 1L nanosheet shows comparable optical electrical properties with exfoliated, pristine one. In addition, first time, mesh high‐density triangular pits also fabricated °C, which might arise anisotropic active edge sites. As a...
Transfer and integration of nanostructures onto target substrates is the prerequisite for their fundamental studies practical applications. Conventional transfer techniques that involve stamping, lift-off, and/or striping suffer from process-specific drawbacks, such as requirement chemical etchant or high-temperature annealing introduction surface discontinuities contaminations can greatly hinder properties functions transferred materials. Herein, we report a universal rapid method...
A flexible, all reduced graphene oxide non-volatile memory device, with lightly GO as an active layer and highly both top bottom electrodes, is fabricated by a full-solution process its performance characterized. It provides convenient method to construct other all-carbon devices. As service our authors readers, this journal supporting information supplied the authors. Such materials are peer reviewed may be re-organized for online delivery, but not copy-edited or typeset. Technical support...
Abstract Two‐dimensional materials have attracted increasing research interest owing to their unique electronic, physical, optical, and mechanical properties. We thus developed a general strategy for the fabrication of ultralong hybrid microfibers from mixture reduced graphene oxide transition‐metal dichalcogenides (TMDs), including MoS 2 , TiS TaS NbSe . Furthermore, we prepared fiber‐based solid‐state supercapacitors as proof‐of‐concept application. The performance thus‐prepared was...
Bioinspired bionic eyes should be self-driving, repairable and conformal to arbitrary geometries. Such eye would enable wide-field detection efficient visual signal processing without requiring external energy, along with retinal transplantation by replacing dysfunctional photoreceptors healthy ones for vision restoration. A variety of artificial have been constructed hemispherical silicon, perovskite heterostructure photoreceptors, but creating zero-powered retinomorphic system...
Abstract Artificial skin should embody a softly functional film that is capable of self-powering, healing and sensing with neuromorphic processing. However, the pursuit bionic combines high flexibility, self-healability, zero-powered photosynaptic functionality remains elusive. In this study, we report self-powered self-healable vision skin, featuring silver nanoparticle-doped ionogel heterostructure as photoacceptor. The localized surface plasmon resonance induced by light in nanoparticles...
A unique device structure with a configuration of reduced graphene oxide (rGO) /P3HT:PCBM/Al has been designed for the polymer nonvolatile memory device. The current−voltage (I−V) characteristics fabricated showed electrical bistability write-once-read-many-times (WORM) effect. exhibits high ON/OFF ratio (104−105) and low switching threshold voltage (0.5−1.2 V), which are dependent on sheet resistance rGO electrode. Our experimental results confirm that carrier transport mechanisms in OFF ON...
We demonstrate the coating of various 2D nanomaterials including MoS2 nanosheets, graphene oxide (GO), and reduced (rGO) with zeolitic imidazolate frameworks (i.e., ZIF-8) via a facile procedure. Additionally, ternary core–shell structures like Pt-MoS2@ZIF-8, Pt-GO@ZIF-8, Pt-rGO@ZIF-8 have also been prepared. As proof-of-concept application, memory device based on MoS2@ZIF-8 hybrid was fabricated it exhibited write-once-read-many-times (WORM) effect high ON/OFF ratio long operating lifetime....
A facile, environmentally friendly, and economical synthetic route for production of large-amounts (gram scale) two-dimensional (2D) layered SnS2 nanoplates is presented. The electrode fabricated from the nanoplate exhibits excellent lithium-ion battery performance with highly reversible capacity, good cycling stability capacity retention after 30 cycles.
A mixed film consisting of 2D MoS2 and graphene oxide (GO) nanosheets is used to fabricate memory devices. The conductive component in the MoS2-GO increases conductivity, thus facilitating oxygen migration GO. film-based device exhibits rewritable, nonvolatile, electrical bistable switching with low voltage (≤1.5 V) high ON/OFF current ratio (≈102).
Semiconducting nanosheets with microscale lateral size are attractive building blocks for the fabrication of electronic and optoelectronic devices. The phase-controlled chemical synthesis semiconducting is particular interest, because their intriguing properties not only related to shape, but also phase-dependent. Herein, a facile method phase-pure, microsized, two-dimensional (2D) CuSe an average thickness approximately 5 nm demonstrated. These hexagonal-phased were transformed into...
In the past decades, various alternating current electroluminescent (ACEL) devices, especially flexible ones, have been developed and used in flat panel display, large-scale decorating, logo display lighting, optical signaling, etc. Transparent plastics are usually as substrates ACEL devices; however, they undegradable may cause serious environmental pollution. Herein, we a transient device based on transparent fish gelatin (FG) films. The FG films were made from scales, which sustainable,...
Abstract Low‐dimensional MXene materials including quantum dots (MQDs) and nanosheets have attracted extensive attention owing to their unique structures novel properties, but most attractive features are still less explored than expected. A systematic study of the memory effects MQD‐based electronics is reported. Monodisperse MQDs prepared by using a one‐step facile hydrothermal synthetic method. By varying MQD content in polyvinylpyrrolidone (PVP) hybrid composite films, electrical...
Neuromorphic electronics, which use artificial photosensitive synapses, can emulate biological nervous systems with in-memory sensing and computing abilities. Benefiting from multiple intra/interactions strong light-matter coupling, two-dimensional heterostructures are promising synaptic materials for photonic synapses. Two primary strategies, including chemical vapor deposition physical stacking, have been developed layered heterostructures, but large-scale growth control over wet-chemical...
Highly reduced graphene oxide (rGO) films are fabricated by combining reduction with smeared hydrazine at low temperature (e.g., 100 degrees C) and the multilayer stacking technique. The prepared rGO film, which has a lower sheet resistance ( approximately 160-500 Omega sq(-1)) higher conductivity (26 S cm(-1)) as compared to other obtained commonly used chemical methods, is fully characterized. effective can be attributed large "effective depth" in GO (1.46 microm) high C1s/O1s ratio...
We report a green and efficient method for chemoselective deoxidization of graphene oxide via the ultraviolet irradiation catalyzed with 2,2,6,6-tetramethyl-4-piperidinol. While sp(2)-hybridized oxygen functional groups are removed after reduction, epoxy hydroxyl retained in chemoselectively reduced (CrGO). The obtained CrGO nanosheets exhibit high solubility excellent electronic stability, which allows fabrication thin film devices through solution processing. As proof concept, CrGO-based...
Assembly of noble metal nanocrystals into free-standing two-dimensional (2D) nanostructures with a regular shape is still challenge. Here we report the preparation novel 2D AuAg nanosheet length 1.50 ± 0.30 μm, width 510 160 nm, and thickness ∼100 nm via assembly ultrathin nanowires in presence triblock copolymer Pluronic P123. The self-assembly P123 fusion behavior during process are key reasons for formation nanosheets Furthermore, obtained nanosheet@P123 used as active material memory...
MoS2, TaS2, TiS2, WSe2 and TaSe2 nanobelts decorated with a PtAg alloy or Pt NPs have been successfully synthesized by etching 2D nanosheets under mild reaction condition followed subsequent nanosheet-to-nanobelt transformation mediated the PVP template. The PtAg-MoS2 hybrid nanobelt coated is used as active material in memory device, which exhibits hysteresis behavior function of dynamic random access memory. As service to our authors readers, this journal provides supporting information...
Woven into your memories: Aligned multi-walled carbon nanotube (MWCNT) fibers are coated by a thin layer of graphene oxide (GO). The MWCNT work as the top and bottom electrodes while GO acts active layer. By simply cross-stacking two MWCNT@GO fibers, memory cell obtained shows write-once-read-many-times effect (see picture).
A transient and flexible polymer memristor was fabricated.
We report a simple and efficient approach for fabrication of novel graphene-polysulfide (GPS) anode materials, which consists conducting graphene network homogeneously distributed polysulfide in between chemically bonded with sheets. Such unique architecture not only possesses fast electron transport channels, shortens the Li-ion diffusion length but also provides very reservoirs. As consequence, GPS materials exhibit an ultrahigh reversible capacity, excellent rate capability superior...