A5101678494- Carbon Nanotubes in Composites
- Graphene research and applications
- Nanopore and Nanochannel Transport Studies
- Mechanical and Optical Resonators
- Nanotechnology research and applications
- Nanowire Synthesis and Applications
- Diamond and Carbon-based Materials Research
- Supercapacitor Materials and Fabrication
- Fluid Dynamics and Turbulent Flows
- Thermal properties of materials
- Fiber-reinforced polymer composites
- Conducting polymers and applications
- Metal and Thin Film Mechanics
- Photonic and Optical Devices
- Fullerene Chemistry and Applications
- Advanced Sensor and Energy Harvesting Materials
- Semiconductor materials and interfaces
- Thermal Radiation and Cooling Technologies
- Plasma and Flow Control in Aerodynamics
- Turbomachinery Performance and Optimization
- Heat Transfer Mechanisms
- Boron and Carbon Nanomaterials Research
- Silicon Nanostructures and Photoluminescence
- Molecular Junctions and Nanostructures
- Plasmonic and Surface Plasmon Research
Third Xiangya Hospital
2025
Central South University
2025
Tsinghua University
2025
Xiangya Hospital Central South University
2025
Hunan Cancer Hospital
2025
Institute of Physics
2015-2024
Chinese Academy of Sciences
2015-2024
University of Chinese Academy of Sciences
2015-2024
Songshan Lake Materials Laboratory
2018-2024
Huazhong University of Science and Technology
2019-2024
Monostructured single-wall carbon nanotubes (SWCNTs) are important in both scientific research and electronic biomedical applications; however, the bulk separation of SWCNTs into populations single-chirality remains challenging. Here we report a simple effective method for large-scale chirality using single-surfactant multicolumn gel chromatography utilizing one surfactant series vertically connected columns. This is based on structure-dependent interaction strength with an allyl...
It is a great challenge to substantially improve the practical performance of flexible thermoelectric modules due absence air-stable n-type materials with high-power factor. Here an excellent film developed, which can be conveniently and rapidly prepared based on as-grown carbon nanotube continuous networks high conductivity. The optimum exhibits ultrahigh power factor ∼1,500 μW m-1 K-2 outstanding stability in air without encapsulation. Inspired by findings, we design successfully fabricate...
We report the use of temperature-controlled gel chromatography for high-efficiency single-chirality separation single-wall carbon nanotubes (SWCNTs). This new method uses temperature to selectively control interaction between sodium dodecyl sulfate (SDS)-wrapped SWCNTs and an allyl dextran-based gel. Temperature enhances differences in interactions various (n, m) with gel, enabling high-purity single-species a single-step process. With this technique, we successfully sorted seven including...
Abstract Establishing the relationship between electrical transport properties of single-wall carbon nanotubes (SWCNTs) and their structures is critical for design high-performance SWCNT-based electronic optoelectronic devices. Here, we systematically investigated effect chiral SWCNTs on by measuring performance thin-film transistors constructed eleven distinct ( n, m ) single-chirality SWCNT films. The results show that, even with same diameters but different angles, difference in on-state...
Industrial production of single-chirality carbon nanotubes is critical for their applications in high-speed and low-power nanoelectronic devices, but both growth separation have been major challenges. Here, we report a method industrial from variety raw materials with gel chromatography by increasing the concentration nanotube solution. The high-concentration individualized solution prepared ultrasonic dispersion followed centrifugation redispersion. With this technique, as-prepared...
Synthesizing single-walled carbon nanotubes (SWCNTs) with a narrow chirality distribution is essential for obtaining pure materials through postgrowth sorting techniques. Using monoxide chemical vapor deposition, we devise ruthenium (Ru) catalyst supported by silica the bulk production of SWCNTs containing only few ( n , m ) species. The result attributed to limited dissociation on Ru clusters, favoring growth small-diameter at comparable rates. resulting expedite high-purity single...
Large-area flexible transparent conductive films (TCFs) are highly desired for future electronic devices. Nanocarbon TCFs one of the most promising candidates, but some their properties mutually restricted. Here, a novel carbon nanotube network reorganization (CNNR) strategy, that is, facet-driven CNNR (FD-CNNR) technique, is presented to overcome this intractable contradiction. The FD-CNNR technique introduces an interaction between single-walled (SWNT) and Cu─-O. Based on unique mechanism,...
The separation of semiconducting and metallic single-wall carbon nanotubes (SWCNTs) by agarose gel chromatography was investigated. SWCNTs dispersed in sodium dodecyl sulfate (SDS) solution were applied to the top column. Metallic eluted with SDS solution. Subsequently, that remained column collected deoxycholate (DOC) as eluant. By successive addition DOC solutions concentrations ranging from 0.05 2 wt % fractional collection at each concentration, we found smaller-diameter enriched...
An ingenious strategy is put forward to evaluate accurately the thermoelectric performance of carbon nanotube (CNT) thin films, including thermal conductivity, electrical and Seebeck coefficient in same direction. The results reveal that as-prepared CNT interconnected films fibers possess enormous potential applications because their ultrahigh power factors. As a service our authors readers, this journal provides supporting information supplied by authors. Such materials are peer reviewed...
Abstract Single material-based monolithic optoelectronic integration with complementary metal oxide semiconductor-compatible signal processing circuits is one of the most pursued approaches in post-Moore era to realize rapid data communication and functional diversification a limited three-dimensional space. Here, we report an electrically driven carbon nanotube-based on-chip integrated circuit. We demonstrate that photovoltaic receivers, transmitters electronic can all be fabricated using...
We report a gel column chromatography method for easily separating the optical isomers (i.e., left- and right-handed structures) of single-chirality carbon nanotubes. This uses difference in interactions two chiral single-wall nanotube (SWCNT) with an allyl dextran-based gel, which result from selective interaction moieties isomers. Using this technique, we sorted nine distinct (n, m) species HiPco SWCNTs, is maximum number isolable SWCNTs reported to date. Because its advantages technical...
Submilligram-scale separation of near-zigzag single-chirality carbon nanotubes has been achieved by gel chromatography.
Al2O3 ceramic nano-particles, which were regarded as an inactive catalyst in the growth of carbon nanotubes past, have been prepared for single-walled nanotube (SWCNT) using alcohol chemical vapor deposition method. Dense SWCNTs successfully synthesized, indicating that serves efficient catalyst. Moreover, it was found many also grown from irregular large particles ranging several tens nanometers to hundreds nanometers, has never observed case metallic particles. These results give more...
Various materials have been found to "catalyze" carbon nanotube growth in chemical vapor deposition (CVD) when they become nano-sized particles. These involve not only metals, such as Pd, Pt, Au, Ag, and Cu, but also semiconductors, Si, Ge, SiC. Alumina diamond nanoparticles produce nanotubes. "catalysts", which are better called "seeds", can be categorized into two types: one type forms a eutectic liquid or highly-mobile alloy with carbon, atoms precipitate from the alloy; other remains...
Recent development in epidermal and bionic electronics systems has promoted the increasing demand for supercapcacitors with micrometer‐thickness good compatibility. Here, a highly flexible free‐standing supercapacitor (SC‐E) merely 1 μm thickness high performance is developed. Single‐walled carbon nanotube/poly(3,4‐ethylenedioxythiophene) hybrid films unique inner‐connected reticulation are adopted as electrodes ultrathin structure electric conductivity. Then, based on two substrates...
Formalin-fixed paraffin-embedded (FFPE) samples represent a valuable resource for clinical researches.However, FFPE are usually considered an unreliable source gene expression analysis due to the partial RNA degradation.In this study, through comparing profiles between and paired fresh-frozen (FF) three cancer types, we firstly showed that measurements of thousands genes had at least two-fold change in compared with FF samples.Therefore, transcriptional signature based on risk scores...
In order to meet the growing need for smart bionic devices and epidermal electronic systems, biaxial stretchability is essential energy storage units. Based on porous single-walled carbon nanotube/poly(3,4-ethylenedioxythiophene) (SWCNT/PEDOT) hybrid fiber, we designed fabricated a biaxially stretchable supercapacitor, which possesses unique configuration of parallel buckled fiber array. Owing reticulate SWCNT film improved fabrication technique, retained its architecture both outwardly...
Although individual carbon nanotubes (CNTs) are superior to polymer chains, the mechanical and thermal properties of CNT fibers (CNTFs) remain inferior synthetic because failure embedding CNTs effectively in superstructures. Conventional techniques resulted a mild improvement target while degrading others. Here, double-drawing technique is developed rearrange constituent CNTs. Consequently, resulting CNTFs can simultaneously reach their highest performances with specific strength ~3.30 N...
Abstract In the present work, a review of metallic (M) and semiconducting (S) separation single‐wall carbon nanotubes (SWCNTs) using polysaccharide gels is presented. First, progress M/S described, including following: discovery high‐yield agarose gel electrophoresis, SWCNTs without an electric field, such as through use freeze squeeze method, development continuous column chromatography, single‐chirality multicolumn with dextran‐based gel. Next, mechanism discussed, in which achieved by...
The predicted extraordinary properties of carbon nanotubes (CNTs) from theoretical calculations have great potential for many applications. However, reliable experimental determination intrinsic at the single-tube level is currently a matter concern, and challenges remain because unhandled nanoscale size individual nanotubes. Here, we demonstrated prototype to detect thermal conductivity single-wall nanotube (SWCNT) verify significant non-resonant optical absorption behavior on tiny by...
Abstract The selective interaction is systematically explored between the surfactants (sodium deoxycholate (DOC), sodium dodecyl sulfate (SDS), and cholate (SC)) single‐wall carbon nanotubes (SWCNTs) by gel chromatography technique. results show that DOC preferentially interacts with small‐diameter semiconducting SWCNTs (S‐SWCNTs), exhibiting strongest strength for SWCNTs, highest structural selectivity. surfactant SC shows high selectivity toward chiral angles of SWCNTs. Its recognition...
Carbon nanotubes (CNTs) are considered to be highly promising nanomaterials for multiwavelength, room-temperature infrared detection applications. Here, we demonstrate a single-tube diode photodetector monolithically integrated with Fabry–Pérot microcavity. A ∼6-fold enhanced optical absorption can achieved, because of the confined effect designed mode. Furthermore, taking advantage Van-Hove-singularity band structures in CNTs, open possibility developing chirality-specific (n,m)...
Photoluminescence (PL) from single-wall carbon nanotubes (SWCNTs) enables structural identification, but to derive the content rate of specific chirality species it is necessary know quantum yield each chirality. However, in PL SWCNTs, because Stokes shift small, photon reabsorption effect dominant and apparent spectral shape emission intensity are greatly modified depending on concentration. This problem makes quantitative identification SWCNTs by difficult. In this study, concentration...