10.1021/am507451c.s001
Janardhan Balapanuru
Janardhan
Balapanuru
Gordon Chiu
Gordon
Chiu
Chenliang Su
Chenliang
Su
Na Zhou
Na
Zhou
Zhu Hai
Zhu
Hai
Qing-hua Xu
Qing-hua
Xu
Kian Ping Loh
Kian Ping
Loh
Photoactive PDI–Cobalt Complex Immobilized
on Reduced Graphene Oxide for Photoelectrochemical Water Splitting
American Chemical Society
2015
noncovalent interactions
cycle testing
5 h
Reduced Graphene Oxide
photoelectrochemical hydrogen evolution reaction
HER
graphene oxide
turnover number
electrocatalytic activity
coordination polymer
rGO
PDI
TON vs CoII
Photoelectrochemical Water SplittingWe report
perylene dye
charge transfer interactions
2015-01-14 00:00:00
Journal contribution
https://acs.figshare.com/articles/journal_contribution/Photoactive_PDI_Cobalt_Complex_Immobilized_on_Reduced_Graphene_Oxide_for_Photoelectrochemical_Water_Splitting/2215984
We report the synthesis of a perylene
derivative (perylene tetracarboxylic di(propyl imidazole), abbreviated
as PDI) that is coordinated with Co(II) ions to form a coordination
polymer [PDI–Co(Cl)<sub>2</sub>(H<sub>2</sub>O)<sub>2</sub>]<sub><i>n</i></sub> (abbreviated as PDI-Co). The PDI-Co
complex combines the photoactivity of the perylene dye with the electrocatalytic
activity of the “Co(II)” center for photoelectrochemical
hydrogen evolution reaction (HER). To improve charge transfer interactions,
the PDI-Co complex is immobilized on reduced graphene oxide (rGO)
via noncovalent interactions to form the rGO–PDI-Co complex.
The composite shows good performance in multiple cycle testing and
the turnover number (TON vs Co<sup>II</sup>) of this hybrid material
for hydrogen evolution reaction (754 after 5 h) is considerably higher
than previously reported dye-sensitized cobalt-based catalysts.