Fig. 2: Structural characterization of TFE-HF and TFE-HF-QD. | Nature Communications

Fig. 2: Structural characterization of TFE-HF and TFE-HF-QD.

From: Tough, stable and self-healing luminescent perovskite-polymer matrix applicable to all harsh aquatic environments

Fig. 2

a Transmittance spectra of TFE-HF film (0.2 mm) in the photo. b The XRD patterns of CsPbBr3, TFE-HF-QD and the standard patterns of pure CsPbBr3. c A typical TEM image of TFE-HF-QD. Scale bar, 0.5 μm. d Fluorescence images of TFE-HF-QD film with an excitation wavelength of 488 nm. Scale bar for 2D image, 200 μm. e F 1 s spectra of pure TFE-HF and TFE-HF-QD composite films. f 19F SSNMR spectra of pure TFE-HF and TFE-HF-QD composite films. g AFM images of the CsPbBr3 film (left) and TFE-HF-QD film (right).

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