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Fig. 2 | Nanoscale Research Letters

Fig. 2

From: Colorful Hydrophobic Poly(Vinyl Butyral)/Cationic Dye Fibrous Membranes via a Colored Solution Electrospinning Process

Fig. 2

Images (ae) are the prepared PVB/dyes colorful NFMs on aluminum foil substrates, where a is the pure PVB NFM, b PVB/X-GRL NFM, c PVB/X-10GFF NFM, d PVB/X-GB NFM, and e PVB/X-2RL NFM. The absorption spectra of these electrospun stained NFM (f) is also measured, where the inset color bar shows the color of visible light wavelengths within 380–700 nm

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