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. 2018 Nov 28;9(12):628. doi: 10.3390/mi9120628

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© 2018 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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(a) Visible light absorbance spectra of PET[PDDA/SWNT-DOC]_n (n = 1–10) LbL thin films. (b) Visible light absorbance spectra of PET[PVA/GNP-PSS]_n (n = 1–10) LbL thin films. (c) Visible light absorbance of PET[PDDA/SWNT-DOC]_n (n = 1–10) (solid line) and PET[PVA/GNP-PSS]_n (n = 1–10) (dotted line) at 550 nm wavelength. (d) Visible light transmittance of PET[PDDA/SWNT-DOC]_n (n = 1–10) (solid line) and PET[PVA/GNP-PSS]_n (n = 1–10) (dotted line) at 550 nm wavelength. (e) Images of PET[PDDA/SWNT-DOC]_n (n = 3, 5, 10) and PET[PVA/GNP-PSS]_n (n = 3, 5, 10) with control (0 BL) samples. In the LbL samples above, the silver material on each sample surface is silver paste applied for four-point probe measurement.