Green Chemistry,
Journal Year:
2024,
Volume and Issue:
27(3), P. 623 - 632
Published: Nov. 12, 2024
The
direct
electron
transfer
mechanism
of
single-layer
Bi
2
MoO
6
ultrathin
nanosheets
promotes
the
efficient
regeneration
photocatalytic
coenzyme
NAD(P)H.
The
conversion
of
CO2
into
value-added
chemicals
and
fuels
using
stable,
cost-effective,
eco-friendly
metal-free
catalysts
is
a
promising
technology
to
mitigate
the
global
environmental
crisis.
In
Calvin
cycle
natural
photosynthesis,
reduction
(CO2R)
achieved
cofactor
NADPH
as
reducing
agent
through
2e–/1H+
or
H–
transfer.
Consequently,
inspired
by
NAD(P)H,
series
organohydrides
with
adjustable
reducibility
show
remarkable
potential
for
efficient
CO2R.
this
review,
we
first
summarize
photosensitizers
NAD(P)H
regeneration
list
representative
photoenzyme
CO2R
system.
Then,
introduce
NAD(P)H-inspired
their
applications
in
redox
reactions.
Furthermore,
discuss
recent
progress
breakthroughs
utilizing
catalysts.
Moreover,
delve
reaction
mechanisms
these
organohydrides,
shedding
light
on
sustainable
alternatives
metal-based
Finally,
offer
insights
prospects
directions
advancing
intriguing
avenue
organohydride-based
ACS Sustainable Chemistry & Engineering,
Journal Year:
2023,
Volume and Issue:
12(1), P. 37 - 47
Published: Dec. 18, 2023
Integrating
efficient
enzyme
catalysis
and
sustainable
photocatalysis
is
considered
an
eco-friendly
promising
approach
for
substance
conversion.
In
this
work,
employing
a
highly
selective
ketoreductase
metal-free
photocatalyst
covalent
organic
framework
(COF),
we
rationally
constructed
coimmobilized
biocatalyzed
artificial
photosynthesis
system
mediated
by
cofactor
regeneration
chiral
alcohol
synthesis.
COFs
(denoted
as
TTA-T0
TTA-T2)
were
rapidly
fabricated
at
moderate
condition
comparative
studies,
demonstrating
that
donor–acceptor
(D–A)
structural
TTA-T2
possessed
superior
photochemical
activity
virtue
of
intramolecular
charge
transfer.
With
98.3%
yield
NADH
in
40
min,
was
applied
to
cascade
NADH-dependent
ChKRED20
the
asymmetric
reduction
acetophenone,
providing
(R)-1-phenylethanol
excellent
enantioselectivity
(ee
>
99%).
Further,
into
green
matrix
achieve
protection
well
convenient
recycling
both
enzyme.
After
optimizing
loading
amount
other
parameters,
achieved
satisfactory
compatibility
reusability,
with
more
than
75%
photobiocatalytic
remaining
after
four
batches
operation.
This
work
highlights
potential
advantages
tailorable
photocatalysts,
strategy
coimmobilizing
enzymes
photocatalysts
could
be
extended
solar-driven
fine
chemical
production
further
development
photosynthesis.
Nanotechnology Reviews,
Journal Year:
2025,
Volume and Issue:
14(1)
Published: Jan. 1, 2025
Abstract
Photocatalytic
materials
have
emerged
as
pivotal
in
addressing
global
challenges
such
environmental
pollution,
energy
scarcity,
and
industrial
sustainability.
This
review
delves
into
the
principles,
mechanisms,
applications
of
photocatalytic
systems,
emphasizing
their
roles
photodegradation
renewable
production.
United
Nations
(UN)
specified
a
guideline
for
sustainable
development
strategies.
UN
determined
17
goals
services
underwent
4
these
to
reflect
distinguishable
interest
importance
different
many
fields
various
purposes.
Advances
material
design,
nanotechnology,
system
integration
significantly
advanced
this
field,
aligning
it
with
goals.
Key
like
TiO
2
,
ZnO,
g-C
3
N
quantum
dots
are
highlighted
unique
properties
enhanced
activity
through
modifications
doping,
heterostructure
formation,
biopolymer-supported
photocatalysts.
Practical
wastewater
treatment,
hydrogen
production,
air
purification,
carbon
dioxide
reduction
comprehensively
analyzed,
case
studies
demonstrating
successful
pollutants.
The
also
explores
photocatalysis
sources,
charge
carrier
recombination
photocatalyst
stability.
Interdisciplinary
approaches,
including
computational
modeling
machine
learning,
discussed
designing
next-generation
photocatalysts,
innovations
sustainability
initiatives.
ACS Applied Materials & Interfaces,
Journal Year:
2023,
Volume and Issue:
15(3), P. 3925 - 3933
Published: Jan. 11, 2023
In
the
past
20
years,
enzymatic
conversions
have
been
intensely
examined
as
a
practical
and
environmentally
friendly
alternative
to
traditional
organocatalytic
for
chemicals
pharmaceutical
intermediate
production.
Out
of
all
commercial
enzymes,
more
than
one-fourth
are
oxidoreductases
that
operate
in
tandem
with
coenzymes,
typically
nicotinamide
adenine
dinucleotide
(NADH)
or
phosphate
(NADPH).
Enzymes
utilize
coenzymes
source
electrons,
protons,
holes.
Unfortunately,
can
be
exorbitant;
thus,
recycling
is
paramount
establishing
sustainable
affordable
cell-free
catalyst
system.
Herein,
cost-effective
transition
metal
dichalcogenides
(TMDCs),
2H-MoS2,
2H-WS2,
2H-WSe2,
were
employed
first
time
direct
electrochemical
reduction
NAD+
active
form
NADH
(1,4-NADH).
Of
three
TMDCs,
2H-WSe2
shows
optimal
activity,
producing
1,4
at
rate
6.5
μmol
cm-2
h-1
faradaic
efficiency
45%
-0.8
V
vs
Ag/AgCl.
Interestingly,
self-induced
surface
reorganization
process
was
identified,
where
native
oxide
grown
air
spontaneously
removed
process,
resulting
activation
TMDCs.