Persulfurated
Coronene: A New Generation of “Sulflower”
Posted on 2017-01-27 - 00:00
We report the first
synthesis of a persulfurated polycyclic aromatic
hydrocarbon (PAH) as a next-generation “sulflower.”
In this novel PAH, disulfide units establish an all-sulfur periphery
around a coronene core. The structure, electronic properties, and
redox behavior were investigated by microscopic, spectroscopic and
electrochemical methods and supported by density functional theory.
The sulfur-rich character of persulfurated coronene renders it a promising
cathode material for lithium–sulfur batteries, displaying a
high capacity of 520 mAh g–1 after 120 cycles at
0.6 C with a high-capacity retention of 90%.
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Dong, Renhao; Pfeffermann, Martin; Skidin, Dmitry; Wang, Faxing; Fu, Yubin; Narita, Akimitsu; et al. (2017). Persulfurated
Coronene: A New Generation of “Sulflower”. ACS Publications. Collection. https://doi.org/10.1021/jacs.6b12630
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AUTHORS (12)
RD
Renhao Dong
MP
Martin Pfeffermann
DS
Dmitry Skidin
FW
Faxing Wang
YF
Yubin Fu
AN
Akimitsu Narita
MT
Matteo Tommasini
FM
Francesca Moresco
GC
Gianaurelio Cuniberti
RB
Reinhard Berger
KM
Klaus Müllen
XF
Xinliang Feng
KEYWORDS
sulflowerall-sulfur peripheryretentionnovel PAHdisulfide unitshydrocarbonredox behaviorelectrochemical methodssulfur-rich charactercapacitydensitypersulfurated polycyclic0.6 CmAh120 cyclespersulfurated coronenesynthesisNew Generationcoronene corespectroscopiclithiumPersulfurated CoroneneSulflowerbatteriecathode materialnext-generation