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Issue 24, 2015
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Graphene oxide–Li+@C60 donor–acceptor composites for photoenergy conversion

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Abstract

An ionic endohedral metallofullerene (Li+@C60) with mild hydrophilic nature was combined with graphene oxide (GO) to construct a donor–acceptor composite in neat water. The resulting composite was characterised by UV-Vis and Raman spectroscopy, powder X-ray diffraction, dynamic light scattering measurements and transmission electron microscopy. Theoretical calculations (DFT at the B3LYP/6-31(d) level) were also utilized to gain further insight into the composite formation. As detected by electron paramagnetic resonance spectroscopy, photoexcitation of the GO–Li+@C60 composite results in electron transfer from GO to the triplet excited state of Li+@C60, leading to photocurrent generation at the OTE/SnO2 electrode.

Graphical abstract: Graphene oxide–Li+@C60 donor–acceptor composites for photoenergy conversion

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Supplementary files

Article information


Submitted
10 Mar 2015
Accepted
11 May 2015
First published
13 May 2015

Phys. Chem. Chem. Phys., 2015,17, 15732-15738
Article type
Paper
Author version available

Graphene oxide–Li+@C60 donor–acceptor composites for photoenergy conversion

M. Supur, Y. Kawashima, K. Ohkubo, H. Sakai, T. Hasobe and S. Fukuzumi, Phys. Chem. Chem. Phys., 2015, 17, 15732
DOI: 10.1039/C5CP01403D

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