Stability of photoelectrochemical cells based on colloidal quantum dots
Chemical Society Reviews,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
This
review
gives
systematic
analysis
of
degradation
reasons
QD-based
PEC
cell
and
strategies
improving
stability
from
aspects
including
band
structure,
shapes,
ligands
QDs,
QDs’
matrix,
co-catalysts,
encapsulation
counter-electrodes.
Язык: Английский
Coupling Water Oxidation and Oxygen Reduction for Photocatalytic H2O2 Production over ZnIn2S4/UiO66-NH2 Heterojunctions via Dual Channel Pathways
Inorganic Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 4, 2025
Artificial
photosynthesis
of
hydrogen
peroxide
(H2O2)
from
oxygen
and
water
is
a
promising
approach
for
converting
low-density
solar
energy
into
versatile
chemical
energy.
However,
the
generation
H2O2
through
single-channel
reduction
reaction
(ORR)
prevalent,
while
oxidation
(WOR)
frequently
neglected.
Herein,
we
constructed
Z-scheme
ZnIn2S4/UiO66-NH2
(ZIS/UNH)
heterojunctions,
integrating
ORR
WOR
dual
pathways
photocatalytic
without
noble
cocatalysts
sacrificial
agents.
The
optimized
ZIS/UNH
exhibits
highest
yield
0.85
mmol
g-1
h-1,
which
2.2
14
times
those
ZIS
UNH,
respectively.
formation
heterojunction
efficiently
promotes
separation
transfer
photogenerated
carriers
retaining
holes
with
high
oxidizing
ability
electrons
strong
reducing
ability.
free
radical
quenching
DMPO-ESR
trapping
experiments
demonstrate
that
heterojunctions
produce
in
dual-channel
mode
different
ZIS.
generated
by
consist
two-step
single-electron
·O2-
as
an
intermediate
product
direct
one-step
WOR.
Язык: Английский
Exploring Progress of Strategies in Enhancing the Photoanodic Production of H2O2: A Comprehensive Review
Materials Today Energy,
Год журнала:
2025,
Номер
unknown, С. 101845 - 101845
Опубликована: Фев. 1, 2025
Язык: Английский
Properties and modulation strategies of ZnIn2S4 for photoelectrochemical water splitting: opportunities and prospects
Energy Materials,
Год журнала:
2025,
Номер
5(7)
Опубликована: Апрель 1, 2025
The
global
energy
crisis
has
driven
significant
research
into
renewable
sources,
and
photoelectrochemical
(PEC)
water
splitting
stands
out
as
one
of
the
most
promising
solutions
for
hydrogen
production.
Among
various
materials
developed
PEC
splitting,
ternary
metal
sulfides,
particularly
ZnIn2S4,
have
garnered
considerable
attention
due
to
their
unique
combination
electronic,
optical,
chemical
properties.
This
paper
presents
a
comprehensive
analysis
structure
properties
explores
modification
strategies
ZnIn2S4-based
photoanodes,
discusses
application
in
splitting.
Furthermore,
we
address
challenges
limitations
photoanodes
highlight
prospects
future
development.
Язык: Английский
Environment‐benign Colloidal Quantum Dots‐modified Dual Photoelectrodes for Self‐biased Photoelectrochemical Water Splitting
ChemSusChem,
Год журнала:
2024,
Номер
unknown
Опубликована: Авг. 8, 2024
Photoelectrochemical
(PEC)
water
splitting
based
on
colloidal
quantum
dots
(QDs)
presents
a
promising
approach
for
utilizing
solar
energy
to
produce
green
hydrogen
energy.
Previous
research
has
been
mainly
focused
the
single-photoelectrode
QDs-PEC
device
operated
under
external
bias,
while
investigation
of
dual-photoelectrode
configuration
self-biased
system
is
still
lacking.
In
this
work,
two
types
eco-friendly
Cu-AISe/ZnSe:Cu
(CZAC)
and
Mn-AIS/ZnS@Cu
(MAZC)
QDs
were
used
respectively
sensitize
semiconductor
n-type
TiO
Язык: Английский
Photodynamic antibacterial activity of CoTiO3/ZnIn2S4 Z-type heterojunction and its efficient enhancement mechanism by reactive oxygen species
Ceramics International,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 1, 2024
Язык: Английский
Advancements in Eco‐Friendly Colloidal Quantum Dots and their Application in Light Emitting Diodes: Achieving Bright and Color‐Pure Emission for Displays
Laser & Photonics Review,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 21, 2024
Abstract
Solution‐processable
colloidal
quantum
dots
(QDs)
are
regarded
as
promising
light
emitters
for
next‐generation
displays
owing
to
their
high
photoluminescence
yield
(PLQY)
and
broad
color
tunability.
Even
though
cadmium
(Cd)‐based
QDs
relevant
electroluminescent
light‐emitting
diodes
(LEDs)
progressed
rapidly,
commercial
deployment
remains
prohibited
due
potential
environmental
concerns.
In
this
review,
recent
advances
in
synthesizing
eco‐friendly,
bright,
color‐pure
emitting
including
InP,
ZnSeTe,
AgInGaS
2
(AIGS)
toward
high‐performing
LEDs
presented.
particular,
the
synthetic
strategies
such
regulating
composition,
core/shell
structure,
surface
ligands
of
enhancing
PLQY
reducing
spectral
bandwidth
comprehensively
discussed.
Moreover,
various
techniques
obtain
high‐performance
QDs‐based
(QLEDs)
involving
device
architecture
interface
engineering
well
modification
electron
hole
transport
layers
overviewed.
Finally,
existing
challenges
outlook
regarding
optimization
QD's
synthesis
optical
properties
boosted
QLEDs
performance
put
forward
enable
prospective
advanced
displays.
Язык: Английский