Fig. 8: Synthesis of hydrogels in information encryption study. | Nature Communications

Fig. 8: Synthesis of hydrogels in information encryption study.

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

Fig. 8

a Gel-0 is prepared in cuboid and exhibits no emission (PVA is abbreviated from polyvinyl alcohol; HNTs is abbreviated from halloysite nanotubes). b Gel-1 is prepared in letter sharp (HBU), which can emit blue luminescence under UV light (365 nm) and green luminescence under X-ray, respectively (HNTs@Na5Lu9F32:Tb3+ is abbreviated from Tb3+-doped Na5Lu9F32 anchored halloysite nanotubes; M3 represents boronic acid functionalized tetraphenylethylene). c Gel-2 is prepared in letter sharp (ET) and emit blue luminescence under UV light (365 nm).

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