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Graphene oxide-Li+@C-60 donor-acceptor composites for photoenergy conversion

Title
Graphene oxide-Li+@C-60 donor-acceptor composites for photoenergy conversion
Authors
Supur, MustafaKawashima, YukiOhkubo, KeiSakai, HayatoHasobe, TakuFukuzumi, Shunichi
Ewha Authors
Shunichi Fukuzumi
SCOPUS Author ID
Shunichi Fukuzumiscopus
Issue Date
2015
Journal Title
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
ISSN
1463-9076JCR Link1463-9084JCR Link
Citation
vol. 17, no. 24, pp. 15732 - 15738
Publisher
ROYAL SOC CHEMISTRY
Indexed
SCI; SCIE; SCOPUS WOS
Abstract
An ionic endohedral metallofullerene (Li+@C-60) 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+@C-60 composite results in electron transfer from GO to the triplet excited state of Li+@C-60, leading to photocurrent generation at the OTE/SnO2 electrode.
DOI
10.1039/c5cp01403d
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자연과학대학 > 화학·나노과학전공 > Journal papers
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