Fig. 1: Preparation of CDs and PVA–CDs–SP hydrogel. | Nature Communications

Fig. 1: Preparation of CDs and PVA–CDs–SP hydrogel.

From: A tough and robust hydrogel constructed through carbon dots induced crystallization domains integrated orientation regulation

Fig. 1: Preparation of CDs and PVA–CDs–SP hydrogel.

a Schematic diagram of the preparation of CDs. b Transmission electron microscopy (TEM) images of CDs and its particle size distribution (inset). c Raman spectrum of CDs. d X-ray diffraction (XRD) spectrum of CDs. e Schematic diagram of the preparation of PVA–CDs–SP hydrogel. f Scanning electron microscopy (SEM) images of the surfaces (up) and cross-sections (down) of PVA, PVA–CDs, and PVA–CDs–SP hydrogel.

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