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. 2015 Jun 22;5:11398. doi: 10.1038/srep11398

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Copyright © 2015, Macmillan Publishers Limited

This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

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(a) TEM images of CTAB-coated GNRs with different aspect ratios: (i) CTAB-1, (ii) CTAB-2, (iii) CTAB-3, and (iv) CTAB-4. (b) Representative UV-Vis-NIR absorption spectra of CTAB-coated GNRs with four different aspect ratios. (c) UV-Vis-NIR absorption spectra of GNRs with CTAB, CTAB/PSS, CTAB/PAH, CTAB/PSS/PAH and CTAB/PAH/PSS coatings. (d) Zeta potentials of the GNRs with different coatings.