1. Cov ntaub ntawv khoom siv yooj yim
Khoom npe:Tib -Walled Carbon Nanotube Powder
Tshuaj muaj pes tsawg leeg:Pure carbon (sp² hybridized qauv)
CAS Nr:.308068-56-6 (General rau carbon nanotubes)
Qhov tsos:Dub, fluffy hmoov; siab - qib purity tshwm grey tsaus.
Cov yam ntxwv ntawm tus qauv:Seamless tubular qauv tsim los ntawm dov ib txheej ntawm graphene, feem ntau 0.8-2.0 nm inch.
2. Core Performance Parameters
Txoj kab uas hla:0.8-2.0 nm (Kev faib tawm tshwj xeeb muaj los ntawm cov txheej txheem tswj)
Ntev Ntau:1-30 μm (Kev cai ntev muaj)
Cov pa roj carbon purity: >90% (Standard), >99% (High Purity)
Hlau impurities: <5% (Standard), <1% (High Purity)
Ib cheeb tsam tshwj xeeb (SSA):400-1300 m² / g (Theoretical siab tshaj plaws)
Bulk Density:0.05-0.15 g / cm³
3. Cov khoom siv hluav taws xob
Volume Resistivity:
Intrinsic: 10⁻⁴ - 10⁻³ Ω·cm (Hloov hom)
Macroscopic Powder: ~0.1 - 10 Ω·cm (Tshwj xeeb cuam tshuam los ntawm kev tiv thaiv tiv thaiv)
Hauv Composites: 10⁻¹ - 10³ Ω·cm (nyob ntawm kev thauj khoom thiab kev sib cais)
Surface Resistivity:
Nyias zaj duab xis / Txheej: 10² - 10⁵ Ω/sq (Rau daim ntawv thov pob tshab)
Percolation Threshold: 0.01 - 0.1 wt% (Qhov tseem ceeb qis dua MWCNTs)
4. Yam ntxwv Dispersion
Inherent Challenge:Cov tub rog van der Waals muaj zog ua rau muaj pob.
Txoj kev Dispersion:
Lub cev:Ultrasonication (kev sojntsuam / da dej), siab -siab homogenization, pob milling.
Tshuaj:Surfactants (SDS, SDBS), polymer wrapping (PVP, DNA).
Covalent Functionalization:Carboxylation, amination, fluorination.
Tsis yog-Covalent Functionalization:π-π kev sib cuam tshuam-raws li kev hloov kho.
Dispersion Stability:Kev ua haujlwm zoo SWCNTs tuaj yeem tsim kev ruaj khov hauv dej lossis cov kuab tshuaj organic rau lub lis piam mus rau hli.
5. Lub cev muaj zog
Mechanical Properties:
Tensile zog: 50-200 GPa (Theoretical)
Young's Modulus: ~ 1 TPa
Flexibility: tuaj yeem khoov rau cov ces kaum siab yam tsis muaj kev tawg.
Thermal Properties:
Thermal conductivity: 3000-6000 W / (m·K) (Axial)
Thermal Stability: 400-600°C in air; >1500℃nyob rau hauv inert cua.
Optical Properties:
Broadband absorption ntawm UV rau NIR.
Txoj kab uas hla -nyob ntawm qhov kho qhov muag bandgap.
Tunable photoluminescence.
6. Daim Ntawv Thov & Lub Hom Phiaj Kev Lag Luam
Electronics & Zaub:
Yooj yim pob tshab conductive films (ITO hloov).
Nyias- zaj duab xis transistor (TFT) channel cov ntaub ntawv.
Kov npo sensors.
Zog Cia & Hloov Hloov:
Conductive additive rau Li-Ion roj teeb (txhim kho tus nqi peev xwm).
Cov khoom siv electrode rau supercapacitor.
Catalyst txhawb nqa roj hlwb.
Advanced Composites:
Ultra- muaj zog, sib xyaw ua ke rau aerospace.
Multifunctional ntse ntaub ntawv (tus kheej-sensing, tus kheej- kho).
Electromagnetic cuam tshuam (EMI) shielding cov ntaub ntawv.
Sensing Technology:
Siab -sensitivity gas/biosensors.
Lub zog / kev ntxhov siab sensors.
Electrochemical sensors.
Biomedical:
Cov neeg muab tshuaj xa tuaj.
Bioimaging contrast agents.
Neural interface electrode cov ntaub ntawv.
7. Ntsiab Cai & Synthesis
Cov khoom ntawm SWCNTs yog txiav txim los ntawm lawv cov chiral indices (n, m):
Chirality Dictates Properties:Nws yog xim hlau thaum n-m=3k (k yog integer); lwm yam semiconducting.
Synthesis Methods:
Arc Discharge:Siab zoo, tsis tshua muaj txiaj ntsig.
Laser Ablation:High purity, siab nqi.
Chemical Vapor Deposition (CVD):Feem ntau, scalable.
Substrate kev loj hlob: Uniform txoj kab uas hla, yuav tsum tau sau.
Floating catalyst: Direct hmoov ntau lawm.
Kev sib cais:
Qhov ceev gradient ultracentrifugation (chirality sib cais).
Chromatography.
Aqueous ob -theem rho tawm.
8. Kev Tswj Xyuas Zoo
Raw Material Control:
Catalyst purity >99.9%.
Carbon source gas purity >99.99%.
Precise tswj cov pa piv.
Txheej Txheem Saib Xyuas:
Tiag -lub sij hawm ntsuas kub (± 1℃raug).
Automated gas ntws tswj.
Hauv -situ Raman spectroscopy rau txoj kab uas hla.
Cov khoom tiav kev xeem:
Qauv:TEM (inch), Raman (D / G piv<0.1), UV-vis-NIR (purity).
Kev sib xyaw:TGA (cov ntsiab lus hlau), XPS (nto chemistry).
Kev ua tau zoo:Plaub -point sojntsuam (conductivity), TGA (thermal stability).
9. Cov ntaub ntawv kuaj mob
Hluav taws xob Performance:
Field-effect mobility: 10,000-100,000 cm²/(V·s) (Semiconducting).
Current-carrying capacity: >10⁹ A / cm² (Metallic).
On/Off piv: 10⁴ - 10⁷ (Semiconducting FETs).
Composite Enhancement (Piv txwv):
0.1 wt% loading: Epoxy resin conductivity nce 10⁸ zaug.
0.5 wt% loading: Polymer thermal conductivity nce 200%.
1.0 wt% loading: Cov neeg kho tshuab lub zog nce 50%.
10. Ntim & Cia
Ntim Ntim:
Kaw iav vials nyob rau hauv inert gas (Ar/N₂).
Muab ob npaug rau- txheej tiv thaiv- zoo li qub aluminium hnab nrog desiccant.
Lub tshuab nqus tsev ntim khoom muaj.
Secondary Ntim:
Shock-absorbent ua npuas ncauj nyob rau hauv lub thawv nruj nreem.
Clear "light{0}}sensitive," "moisture-sensitive" daim ntawv lo.
Muaj Qhov Loj:
R & D: 100 mg, 500 mg, 1 g.
Pilot- nplai: 5 g, 10 g, 25 g.
Ntim: 50g, 100g, 500g.
Kev cia khoom:
Kub: 4-25℃(4℃pom zoo rau lub sijhawm ntev).
Humidity:<30% RH.
Khaws kom deb ntawm lub teeb thiab oxygen.
11. Lub Tuam Txhab Peev Xwm & Kev Pabcuam
Technology Platform
Nano-Materials Engineering Center:20 teeb ntawm tag nrho cov tshuab CVD; muaj peev xwm txhua xyoo ntawm 100kg- nplai.
Analytical Platform:
HR-TEM/STEM (sub-nanometer daws teeb meem).
Micro{0}}Raman Spectrometer (532/785/1064 nm lasers).
Atomic Force Microscopy (conductive / mechanical modes).
Application Development Lab:
Composite Processing Center (npib- ntsia hlau extrusion, txhaj tshuaj molding).
Pilot Txheej Kab (R2R, tshuaj tsuag txheej).
Roj teeb/Supercapacitor Device Test Platform.
Cov Txheej Txheem Zoo
Cov ntawv pov thawj:ISO 9001: 2015, ISO 14001, OHSAS 18001.
Standardization:Pab txhawb rau 3 lub teb chaws / kev lag luam qauv rau nanomaterials.
Traceability:Ua kom tiav ntau lawm thiab cov ntaub ntawv xeem rau txhua pawg.
Kev sib koom tes R & D
Academic Network:Cov chav sib koom ua ke nrog ntau dua 10 sab saum toj- cov tsev kawm qib siab (xws li Tsinghua, Peking University, CAS).
IP Portfolio:50+ core patents, suav nrog 15 PCT patents.
Customization:Cov kev pab cuam muaj xws li kev sib cais chirality, functionalization, thiab kev cai dispersion npaj.
Kev Pab Txhawb Cov Neeg Siv Khoom
Daim Ntawv Thov Kev Qhia:Ph.D.-level technical team rau daim ntawv thov tsim.
Kev sim ua piv txwv:Cov qauv pub dawb thiab kev ntsuas kev ntsuas.
Txheej txheem Optimization:Pab nrog dispersion thiab formulation optimization.
Cim npe nrov: single-walled carbon nanotubes swcnts, Tuam Tshoj ib leeg-walled carbon nanotubes swcnts manufacturers, lwm tus neeg, Hoobkas
