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. 2019 Apr 5;7:167. doi: 10.3389/fchem.2019.00167

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Copyright © 2019 Vines, Yoon, Ryu, Lim and Park.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Particle diameter of Au on the absorption spectra and the plasmon bandwidth. (A) UV/ Visual absorption spectra of 9, 22, 48, and 99 nm gold nanoparticles in water. All spectra are normalized at their absorption maxima, which are 517, 521, 533, and 575 nm, respectively. (B) The plasmon bandwidth Δλ as a function of particle diameter. Re-printed with permission from American Chemistry Society Publications 1999 (Link and El-Sayed, 1999).