Lianxi Zheng

ORCID: 0000-0003-4974-365X
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About
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Research Areas
  • Carbon Nanotubes in Composites
  • Graphene research and applications
  • GaN-based semiconductor devices and materials
  • Advanced Sensor and Energy Harvesting Materials
  • Conducting polymers and applications
  • Supercapacitor Materials and Fabrication
  • Semiconductor Quantum Structures and Devices
  • Ga2O3 and related materials
  • Semiconductor materials and devices
  • Polydiacetylene-based materials and applications
  • Advancements in Battery Materials
  • Photoreceptor and optogenetics research
  • ZnO doping and properties
  • Metal and Thin Film Mechanics
  • Fiber-reinforced polymer composites
  • Electromagnetic wave absorption materials
  • Smart Materials for Construction
  • Advanced Antenna and Metasurface Technologies
  • Electrochemical Analysis and Applications
  • Quantum Dots Synthesis And Properties
  • Electrochemical sensors and biosensors
  • Nanowire Synthesis and Applications
  • Nanotechnology research and applications
  • Advanced Photocatalysis Techniques
  • Analytical Chemistry and Sensors

Guangdong University of Technology
2025

Beijing Information Science & Technology University
2025

Khalifa University of Science and Technology
2015-2024

Chinese Academy of Sciences
1995-2024

Laboratoire de Physique et d’Étude des Matériaux
2024

Fujian Institute of Research on the Structure of Matter
2024

Nanyang Technological University
2009-2021

Tsinghua University
2018

University Town of Shenzhen
2018

Singapore Polytechnic
2014

Improved electron transport along a carbon nanotube (CNT) fiber when it is spun from an array of longer nanotubes reported. The effect chemical post-treatments also demonstrated. For example, the covalent bonding gold nanoparticles to CNT fibers remarkably improves conductivity (see figure), whereas annealing in hydrogen-containing atmosphere leads dramatic decrease conductivity. Supporting information for this article available on WWW under...

10.1002/adma.200602966 article EN Advanced Materials 2007-09-20

Carbon nanotube (CNT) fibers that are many times stronger and stiffer per weight than the best existing engineering over twenty better other reported CNT described (see figure). Additionally, these nonbrittle tough, making them far superior to materials for preventing catastrophic failure. Supporting information this article is available on WWW under http://www.wiley-vch.de/contents/jc_2089/2007/c0776_s.pdf or from author. Please note: The publisher not responsible content functionality of...

10.1002/adma.200700776 article EN Advanced Materials 2007-10-31

Bio-inspired multifunctional composite films based on reduced poly(vinyl alcohol)/graphene oxide (R-PVA/GO) layers are prepared by a facile solution casting method followed reduction procedure. The resulting with nacre-like, bricks-and-mortar microstructure have excellent mechanical properties, electrical conductivity, and biocompatibility.

10.1002/adma.201200452 article EN Advanced Materials 2012-06-22

Carbon fibers with a twist. Nanotube ribbons good continuity are initially pulled from carbon-nanotube (CNT) array of about 650 μm in diameter. The as-spun fiber is relatively loose noticeable spaces between CNTs or CNT bundles. After spinning and post-spin twisting the packing density increases (see figure). mechanical properties benefit longer treatment.

10.1002/smll.200600368 article EN Small 2007-01-29

Arrays of well-aligned, ca. 4.7 mm long carbon nanotubes (CNTs) are grown in a simple, safe, and cost-effective manner using an efficient Al2O3/Fe catalyst prepared by ion-beam assisted deposition technique (see figure). Importantly, the as-synthesized CNT arrays with lengths ranging from 500 μm to 1.5 conducive spinning, fibers spun such show remarkably improved tensile strength. Supporting information for this article is available on WWW under...

10.1002/adma.200601344 article EN Advanced Materials 2006-11-10

Here we report a new type of self-powered, visible-light photodetector fabricated from thermally reduced rGO–ZnO hybrid nanostructure. The photocurrent generation the photodetectors under zero-bias enables devices to work like photovoltaic cells, which could power themselves without electrical input. thermal treatment at elevated temperature not only reduces graphene oxide (GO) into (rGO), but also dopes ZnO nanoparticles with carbon atoms, enabling their photoresponse capability. pronounced...

10.1039/c1jm13920g article EN Journal of Materials Chemistry 2011-12-21

Fe/SiC hybrid fibers have been fabricated by electrospinning and subsequent high-temperature (1300 °C) pyrolysis in Ar atmosphere using polycarbosilane (PCS) Fe3O4 precursors. It is found that the introduction of Fe has had a dramatic impact on morphology, crystallization temperature, microwave electromagnetic properties fibers. In addition, particles acted as catalyst sites to facilitate growth SiCO nanowires surface As result, permittivity permeability enhanced effectively, high reflection...

10.1021/acsami.6b15721 article EN ACS Applied Materials & Interfaces 2017-02-06

A poly(vinyl alcohol) (PVA) based nanocomposite using fully exfoliated graphene oxide (GO) sheets and multi-walled carbon nanotubes (CNTs) were prepared via a simple procedure. It is confirmed from optical imaging that dispersion of CNTs in the PVA matrix can be significantly improved by adding GO sheets. Molecular dynamics (MD) simulations suggest GO–CNT interaction strong complex thermodynamically favorable over agglomerates CNTs. The scroll-like structure formed with hydrophilic outer...

10.1039/c1jm11359c article EN Journal of Materials Chemistry 2011-01-01

Abstract TiO 2 is a promising photocatalytic material for hydrogen generation. However, the fast recombination of electron–holes restricts performance . Herein, this study demonstrates 2D‐layered carbon/TiO (C/TiO ) architecture via CO oxidation 2D‐Ti 3 C , in which 2D carbon layers provide electron transport channels and improve hole–electron separation efficiency. Compared to Ti support, thickness derived supports significantly reduced, enhances light intensity arriving at surface The...

10.1002/admi.201700577 article EN Advanced Materials Interfaces 2017-09-12

NiCo-LDH/PANI/BC exhibits excellent electrochemical performance, high tensile strength and outstanding stability during bending stretching.

10.1039/c8ta05673k article EN Journal of Materials Chemistry A 2018-01-01

This study summarizes the unique advantages of CNTs and graphene in battery applications, updates most recent progress, compares prospects challenges for future full utilization energy storage applications.

10.1039/c6ta01546h article EN Journal of Materials Chemistry A 2016-01-01

Hafnium carbide (HfC) phase, with a high melting point, excellent strength, and electrical conductivity, could be suitable addition to enhance the microwave absorption properties of one-dimensional silicon (SiC) nanomaterials without sacrificing its high-temperature thermal stability. In present work, HfC/SiC hybrid nanofiber mats different HfC loading contents are fabricated by electrospinning pyrolysis. hybrids sizes 5–10 nm embedded in SiC nanofibers. As content increases from 0 6.3 wt %,...

10.1021/acsami.8b07980 article EN ACS Applied Materials & Interfaces 2018-07-25

Abstract The increasing demand for wearable optoelectronics in biomedicine, prosthetics, and soft robotics calls innovative transformative technologies that permit facile fabrication of compact flexible photodetectors with high performance. Herein, by developing a single‐step selective laser writing strategy can finely tailor material properties through incident photon density control lead to the formation hierarchical hybrid nanocomposites, e.g., reduced graphene oxide (rGO)–zinc (ZnO),...

10.1002/advs.201800496 article EN cc-by Advanced Science 2018-06-06

Plasmon-assisted visible light photocatalysis presents a possible solution for direct solar-to-fuel production. Here we investigate the plasmon-enhanced photocatalytic water splitting using different TiO2/Au electrode structures. Experimental data demonstrates that Au embedded in TiO2 (Au-in-TiO2) greatly outperforms sitting on (Au-on-TiO2) electrode. Numerical simulation shows local electric field is very intense semiconductor near nanoparticles, which causes enhancement of electron-hole...

10.1021/am404738a article EN ACS Applied Materials & Interfaces 2014-01-06

The rapid development of wearable electronics needs flexible conductive materials that have stable electrical properties, good mechanical reliability, and broad environmental tolerance. Herein, ultralow‐density all‐carbon conductors show excellent elasticity high stability when subjected to bending, stretching, compression at strains, which are superior previously reported elastic conductors, demonstrated. These fabricated from carbon nanotube forms, with their joints being selectively...

10.1002/adfm.201606220 article EN Advanced Functional Materials 2017-02-22

Fiber alignment is a key factor that determines the physical properties of nanofiber mats. In this work, SiC mats with or without fiber are fabricated via electrospinning and microwave electromagnetic their silicone resin composites (5 wt %) investigated in 2–18 GHz. By comparing composite containing whisker, it found show superior dielectric loss minimal reflection (RL) around −49 dB at 8.6 GHz 4.3 mm thickness, associated broad effective absorption (<−10 dB) bandwidth (EAB) about 7.2 2.8...

10.1021/acsami.7b13634 article EN ACS Applied Materials & Interfaces 2017-11-15

The construction of photocatalytic systems that have strong redox capability, effective charge separation, and large reactive surfaces is great scientific practical interest. Herein, an edge-connected 2D/2D Z-scheme system combines the facet junction interfacial heterojunction to achieve long-range separation surface exposure designed fabricated. heterostructure realized by selective growth 2D-layered MoS

10.1002/advs.202200346 article EN Advanced Science 2022-04-24

This article focuses on the development of triboelectric nanogenerator (TENG) by utilizing advanced 2D nanomaterials with innovative design and easy fabrication method to achieve durable TENG high-power density improved cycling performance. Herein, we fabricated a layer-by-layer stacked vertical contact-separation (CS) mode TENG. In this unique design, incorporated thin film micron-sized Ti3C2Tx-MXene ultrathin sheets (TMSs) into polyethylene terephthalate (PET) based tribo-negative...

10.1016/j.cej.2023.144281 article EN cc-by Chemical Engineering Journal 2023-06-21

Anisotropic growth is observed for GaN(0001) during molecular beam epitaxy both the step-flow mode and two-dimensional (2D) nucleation mode. Using scanning tunneling microscopy, we find that in mode, anisotropy strongly influences shape of terrace edges, making them strikingly different between hexagonal cubic films. In 2D anisotropic results triangularly shaped islands. The importance understanding to achieve better grown GaN films discussed.

10.1103/physrevlett.82.2749 article EN Physical Review Letters 1999-03-29
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