Fig. 4: Preparation of X-ray-sensitive polyurethane foam. | Nature Communications

Fig. 4: Preparation of X-ray-sensitive polyurethane foam.

From: Water-dispersible X-ray scintillators enabling coating and blending with polymer materials for multiple applications

Fig. 4

a Polyurethane foam (PUF); b Tb3+-doped Na5Lu9F32 anchored halloysite nanotubes (HNTs@Na5Lu9F32:Tb3+); c Tb3+-doped Na5Lu9F32 anchored halloysite nanotubes coated polyurethane foam (HNTs@Na5Lu9F32:Tb3+@PUF). HNTs@Na5Lu9F32:Tb3+@PUF is prepared by immersing PUF in the HNTs@Na5Lu9F32:Tb3+ aqueous dispersion by fully compressing and soaking.

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