Issue 22, 2014

Electron transfer mediation by aqueous C60 aggregates in H2O2/UV advanced oxidation of indigo carmine

Abstract

C60 fullerene has long been known to exhibit favorable electron accepting and shuttling properties, but little is known about the possibility of electron transfer mediation by fullerene aggregates (nC60) in water. In this study, we investigated the electron shuttling capabilities of nC60 using UV/H2O2 as a model oxidation process in the presence of an electron donor, indigo carmine (IC). nC60 addition to the IC/H2O2 system was found to drastically increase IC degradation and shift the reactive oxygen species (ROS) balance, favoring the formation of superoxide and perhydroxyl radical species compared to hydroxyl radicals. Results indicate that nC60 can act as an electron mediator, where the adsorbed IC donates an electron to nC60, which is subsequently transferred to H2O2 or perhydroxyl radical.

Graphical abstract: Electron transfer mediation by aqueous C60 aggregates in H2O2/UV advanced oxidation of indigo carmine

Supplementary files

Article information

Article type
Paper
Submitted
01 Jul 2014
Accepted
31 Aug 2014
First published
03 Sep 2014

Nanoscale, 2014,6, 13579-13585

Author version available

Electron transfer mediation by aqueous C60 aggregates in H2O2/UV advanced oxidation of indigo carmine

L. Ge, K. Moor, B. Zhang, Y. He and J. Kim, Nanoscale, 2014, 6, 13579 DOI: 10.1039/C4NR03647F

To request permission to reproduce material from this article, please go to the Copyright Clearance Center request page.

If you are an author contributing to an RSC publication, you do not need to request permission provided correct acknowledgement is given.

If you are the author of this article, you do not need to request permission to reproduce figures and diagrams provided correct acknowledgement is given. If you want to reproduce the whole article in a third-party publication (excluding your thesis/dissertation for which permission is not required) please go to the Copyright Clearance Center request page.

Read more about how to correctly acknowledge RSC content.

Social activity

Spotlight

Advertisements