Refined Puffball
型号：BNNT SP10-RBNNT SP10 "R" designation indicates "refined." These boron nitride nanotube puffballs have had nearly all of the elemental boron removed, leaving a product that is greater than 99% boron nitride. BN is in the form of boron nitride nanotubes and other nanoparticles including BNNS-like sheets and hollow BN cages. If your application requires materials free of elemental boron, SP10-R is the recommended BNNT form factor.
详细描述
BNNT SP10-R Refined Puffball
| BNNT SP10-R Refined Puffball | Tech Data |
| BN content | >99% (refined materials) |
| Residual Impurities | Refined materials contain <1 wt.% elemental boron |
| Tap Density | Low, ~0.25 mg/cm3 |
| Defect density | Extremely low (BNNTs flex and recover when bent) |
| Band gap | 5.7 eV (direct measurement by low energy EELS) |
| Surface area | up to 400 m2/g (by multipoint BET) |
| Network | many isolated tubes, bundles up to 5 tubes (by TEM) |
| Number of walls | 1 to 5 walls are typical, 2 or 3 walls are most common (by TEM) |
| BNNT length | up to 200 μm (by SEM), longer suspected |