A5050302304- Nanomaterials for catalytic reactions
- Supercapacitor Materials and Fabrication
- Graphene research and applications
- Advancements in Battery Materials
- Catalytic Processes in Materials Science
- Electrocatalysts for Energy Conversion
- Asymmetric Hydrogenation and Catalysis
- Advanced battery technologies research
- Nanomaterials and Printing Technologies
- Catalysis and Hydrodesulfurization Studies
- Conducting polymers and applications
- Copper-based nanomaterials and applications
- Advanced Sensor and Energy Harvesting Materials
- Advanced biosensing and bioanalysis techniques
- Surface Chemistry and Catalysis
- Molecular Junctions and Nanostructures
- Gold and Silver Nanoparticles Synthesis and Applications
- Additive Manufacturing and 3D Printing Technologies
- Biosensors and Analytical Detection
- Environmental remediation with nanomaterials
- Ammonia Synthesis and Nitrogen Reduction
- Electrochemical sensors and biosensors
- Advanced Photocatalysis Techniques
- Nanocluster Synthesis and Applications
- Supramolecular Self-Assembly in Materials
Xidian University
2023-2025
National Center for Nanoscience and Technology
2015-2024
Weifang Medical University
2023
Northwestern Polytechnical University
2022
Center for NanoScience
2016-2021
Beijing University of Posts and Telecommunications
2021
Center for Excellence in Education
2019
Peking University
2007-2013
Max Planck Institute for Polymer Research
2009
China Agricultural University
2009
Recent progress in the study of graphene has triggered a gold rush for exploiting its possible applications various areas. Graphene-containing carbonaceous materials have long been selected as electrodes rechargeable lithium batteries. However, understanding relationship between material structure and electrode performance is still poor due to complexity carbon structures, which hinders development high Now it time focus on structure–property again, but from viewpoint graphene.
Silicon has been touted as one of the most promising anode materials for next generation lithium ion batteries. Yet, how to build energetic silicon-based electrode architectures by addressing structural and interfacial stability issues facing silicon anodes still remains a big challenge. Here, we develop novel kind self-supporting binder-free via encapsulation nanowires (SiNWs) with dual adaptable apparels (overlapped graphene (G) sheaths reduced oxide (RGO) overcoats). In resulted...
A novel strategy is developed for the large-scale fabrication of reduced graphene oxide films directly on flexible substrates in a controlled manner by combination rod-coating technique and room-temperature reduction oxide. The as-prepared display excellent uniformity, good transparency conductivity, great flexibility touch screen.
Novel graphene-confined tin nanosheets (G/Sn/G) are constructed using an elaborately designed glucose-assisted chemical protocol. The as-synthesized G/Sn/G featured with significantly enhanced lithium storage properties when compared other graphene-based 0D/2D composite nanostructures, disclosing the merits of 2D/2D a surface-to-surface integration formula between graphene and second 2D phase.
Abstract The stability of organic solar cells is a key issue to promote practical applications. Herein, we demonstrate that the device performance enhanced by an Ir/IrO x electron-transporting layer, benefiting from its suitable work function and heterogeneous distribution surface energy in nanoscale. Notably, champion -based devices exhibit superior stabilities under shelf storing ( T 80 = 56696 h), thermal aging 70 13920 maximum power point tracking 1058 compared ZnO-based devices. It can...
Tin-core/carbon-sheath coaxial nanocables directly integrated into a reduced graphene oxide (RGO) surface are constructed by new strategy involving RGO-mediated procedure. The as-synthesized (see figure), with uniform diameter and high aspect ratio, versatile exhibit excellent lithium storage properties, as revealed electrochemical evaluation.
The unique properties of graphene render it as a versatile material applying in various energy-related devices. Solar cells with transparent and conductive film window electrode have exhibited considerable power conversion efficiency. graphene-based materials used anode lithium ion secondary batteries displayed excellent cycling performance high capacities. Supercapacitors great potential for practical application been fabricated well using electrode. Graphene has emerged promising...
A novel high performance electrode material for supercapacitor applications, terephthalonitrile-derived nitrogen-rich network (TNN), is developed successfully via temperature-dependent cross-linking of terephthalonitrile monomers. This work opens up a new window seeing versatile modular toolbox derived from various aromatic nitrile monomers developing better materials in the future.
The nanostructuring of silicon (Si) has recently received great attention, as it holds potential to deal with the dramatic volume change Si and thus improve lithium storage performance. Unfortunately, such transformative materials design principle generally been plagued by relatively low tap density hence mediocre volumetric capacity (and also energy density) battery. Here, we propose demonstrate an electrode consisting a textured silicon@graphitic carbon nanowire array. Such unique...
Highly active nonprecious-metal single-atom catalysts (SACs) toward catalytic transfer hydrogenation (CTH) of α,β-unsaturated aldehydes are great significance but still deficient. Herein, we report that Zn–N–C SACs containing Zn–N3 moieties can catalyze the conversion cinnamaldehyde to cinnamyl alcohol with a 95.5% and selectivity 95.4% under mild temperature atmospheric pressure, which is first case Zn-species-based heterogeneous for CTH reaction. Isotopic labeling, in situ FT-IR...
Graphene combines with single-stranded DNA by a self-assembly process under strong ultrasonication and in the resulting water-dispersible graphene-DNA hybrids, monolayers of globular ss-DNA molecules are adsorbed on both sides graphene sheets non-covalent π–π stacking. The cyclic voltammetry results hybrids coated electrodes demonstrate well-defined nearly symmetrical redox characteristic which means an enhanced electron transfer electrode surface as compared to uncoated glassy carbon...
A strategy for the ultra-sensitive detection of Pb(2+) in aqueous media has been developed. The combination oxidative exfoliation graphite and subsequent chemical amination resulted an amine functionalized graphene oxide, which showed ultra-high sensitivity detecting Pb(2+), as it is active material modified anodic stripping voltammetry. limit low 10(-13) M (0.1 pM) reached, comparable to result obtained from atomic absorption spectrometry, but dramatically lower than that other reported...
Many effective strategies have been developed in order to inhibit the hydrodechlorination selective hydrogenation of chloronitrobenzenes chloroanilines which are important intermediates chemistry and industry dyes, herbicides, pesticides medicines. However, hydrogenolysis carbon-halogen bond as a defect process could not be avoided completely over metal catalysts reported previously, especially at complete conversion substrates. Recently we overcame this problem by invention nanocomposite...
Cr doped WO<sub>3</sub> nanofibers enriched with surface oxygen vacancies have been developed to smartly detect the 3H-2B biomarker for real-time monitoring of <italic>Listeria monocytogenes</italic>.
Polydopamine nanoparticles were used to stabilize a nano-Pt catalyst relieve tumor hypoxia for enhanced photodynamic therapy and photothermal therapy.
Abstract Well dispersible and stable single atom catalysts (SACs) with hydrophilic features are highly desirable for selective hydrogenation reactions in solvents towards important chemicals pharmaceutical intermediates. A general strategy is reported the fabrication of SACs by cation‐exchange approach. The between metal ions (M = Ni, Fe, Co, Cu) Na + introduced skeleton oxide (TiO 2 or ZrO ) nanoshells plays key role forming M 1 /TiO /ZrO SACs, which efficiently prevents aggregation...
Surface-enhanced Raman scattering (SERS) technology, as an important analytical tool, has been widely applied in the field of chemical and biomedical sensing. Automated testing is often combined with biochemical analysis technologies to shorten detection time minimize human error. The present SERS substrates for sample are time-consuming subject high error, which not conducive combination automated testing. Here, a novel honeycomb-inspired microarray designed large-area urease saliva samples...
Manipulating the local coordination environment of central metal atoms in single-atom catalysts (SACs) is a powerful strategy to exploit efficient SACs with optimal electronic structures for various applications. Herein, Co-SACs featured by Co single coordinating S second shell dispersed nitrogen-doped carbon matrix have been developed toward selective hydrogenation halo-nitrobenzene. The location atom model Co-SAC verified through synchrotron-based X-ray absorption spectroscopy and...
Limitation of 3D construction ability, complex preparation processes and developing customer demands have promoted people to find low-cost, rapid prototyping, simple operation methods produce novel functional devices in the near future. Among various techniques, 3D-printed technology is a promising candidate for fabrication biosensors biomedical detection with wide variety potential applications. This review offers four important printing techniques their The principle process technologies...
A novel water-soluble hexa-peri-hexabenzocoronene (HBC) derivative with peripheral functional groups, which facilitates a two-step assembly process in water that includes fiber formation via π stacking and subsequent peptide probing electrostatic interactions, is reported. In the first step, HBC self-assembles into red-fluorescent fibers serve as templates for further functionalization biomolecules. second groups bind green-fluorescent fluorescein-conjugated peptides, leading to of...
In this work, the hydrogen-induced effects on CVD growth of high-quality graphene have been systematically studied by regulating parameters mainly related to hydrogen. Experimental results demonstrate that under a high hydrogen flow rate, competitive etching effect during process is more prominent and even shows macroscopic selectivity. Based these understandings, hexagonal domains with diverse edge modalities are controllably synthesized large scale elaborately managing existed formation...