High‐Performance UV–Vis–NIR Photodetectors Based on PEDOT Obtained by Plasma‐Enhanced Chemical Vapor Deposition
physica status solidi (a),
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 19, 2025
This
study
presents
the
fabrication
of
organic
UV–vis–NIR
photodetectors
based
on
poly(3,4‐ethylenedioxythiophene)
(PEDOT)
thin
films
synthesized
via
a
plasma‐enhanced
chemical
vapor
deposition
at
10,
20,
and
30
W
plasma
power.
The
effects
power
polymerization,
as
well
optical,
structural,
morphological,
optoelectronic
properties,
are
analyzed
using
UV–vis,
Fourier
transform
infrared
spectroscopy,
scanning
electron
microscope,
microscopy–energy‐dispersive
X‐ray.
films,
exhibiting
bandgap
3.52–3.59
eV,
uniformly
coated
Si
surfaces.
Photodiode
photodetector
performance
is
evaluated
through
current–voltage
current–transient
measurements
under
varying
light
intensities
wavelengths.
PEDOT
10
exhibit
superior
performance,
with
maximum
responsivity
detectivity
0.0975
A
−1
1.65
×
1
0
cm
Hz
0.5
900
nm,
noise‐equivalent
5.38
−
2
/
.
Maximum
external
quantum
efficiency
recorded
23.975%
450
nm.
These
results
emphasize
suitability
low‐power
for
applications
due
to
their
morphology
characteristics.
Language: Английский
Wave‐Interference Photonic Crystals and Space Charge Engineering Enable Efficient Broadband Faint Light Detection in Organic/Inorganic Hybrid Photodetectors
Yibo Zhang,
No information about this author
Sara M. Almenabawy,
No information about this author
Gloria Vytas
No information about this author
et al.
Advanced Optical Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 25, 2025
Abstract
Noise
current,
detectivity,
quantum
efficiency,
and
response
speed
are
critical
metrics
in
evaluating
organic/inorganic
photodiodes.
Herein,
these
simultaneously
advanced
poly(3,4‐ethylenedioxythiophene):poly(styrenesulfonate)
(PEDOT:PSS)/native
SiO
x
/n‐Si
hybrid
photodetectors,
achieving
excellent
performance
detecting
broadband
faint
light.
Wave‐interference
photonic
crystals,
comprising
periodic
microstructured
inverse
pyramids
with
nanometer‐scale
mesa
widths,
integrated
into
the
Si
absorber
to
effectively
couple
incident
light
for
increased
absorption,
thereby
balancing
optics
conformal
contact
coverage.
The
developed
photodetector
comprises
a
deep
depletion
region
interfacial
layer,
enabling
diffusion‐mitigated
photocarrier
transport
effective
charge
collection,
suppressing
carrier
tunneling
processes
low‐noise.
An
ultralow
reverse
dark
current
density
of
≈2.46
×
10
−8
A
cm
−2
at
−0.4
V
is
realized
nanowatt‐level
detection.
showcases
superlative
properties
among
reported
PEDOT:PSS–based
inorganic
heterojunctions,
including
external
efficiency
>≈80%
from
340
960
nm
(internal
>≈90%
380
840
nm),
detectivity
>≈10
12
Jones
300
1140
nm,
microsecond
speed.
This
study
provides
practical
insight
combining
high‐absorption
microstructures
space
engineering
development
high‐performance
photodetectors.
Language: Английский
High‐Performance Self‐Powered PEC Photodetectors Based on 2D BiVO4/MXene Schottky Junction
Siqin Zhou,
No information about this author
Chenxiao Jiang,
No information about this author
Jinlu Han
No information about this author
et al.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 5, 2024
Abstract
As
an
emerging
field,
self‐powered
photoelectrochemical
(PEC)
photodetectors
have
gradually
attracted
extensive
attention
thanks
to
the
unique
working
characteristics
of
low
preparation
cost,
strong
tunability
device
performance,
and
environmental
friendliness.
However,
short
absorption
wavelength
range,
efficiency
visible
light
utilization,
responsivity
remain
challenges
for
performance
improvements.
Here,
PEC
based
on
2D
BiVO
4
/MXene
Schottky
junction
structure,
which
shows
excellent
with
high
photocurrent
density
(≈3.90
mA
cm
−2
at
0
V
SCE
under
AM
1.5
G,
150
mW
),
good
(790.2
W
−1
447
nm),
fast
response
time
(
t
r
/
f
=
8/14
ms),
long‐term
stability
(keep
17
000
s
22
cycles)
are
fabricated.
These
can
be
attributed
built‐in
electric
field
interface,
accelerates
transfer
photogenerated
electrons
holes,
inhibits
interfacial
charge
recombination.
Additionally,
MXene
nanosheets
improve
visible‐light‐induced
photons
valence
band
.
properties
show
that
this
work
provides
a
scientific
experimental
reference
further
development
photodetectors.
Language: Английский
Facile fabrication of self-powered UV-Vis-NIR Photodetector based on Lavandula angustifolia extract
Sensors and Actuators A Physical,
Journal Year:
2025,
Volume and Issue:
389, P. 116545 - 116545
Published: April 8, 2025
Language: Английский
Ultrahigh stability photovoltaic performance of M-Mo6+ (M=Fe3+, Co2+, Ni2+) co-doped BiVO4 films
Jing Qin,
No information about this author
Z. Tian,
No information about this author
Gang Chen
No information about this author
et al.
Nano Energy,
Journal Year:
2024,
Volume and Issue:
130, P. 110143 - 110143
Published: Aug. 23, 2024
Language: Английский
Advanced Organic-Inorganic Hybrid Solar-Blind UV Photodetector With $\beta$-Ga$_{\text{2}}$O$_{\text{3}}$ Film From Thermal Oxidation
Jiarong Liang,
No information about this author
Weisen Li,
No information about this author
Jili Xie
No information about this author
et al.
IEEE Transactions on Electron Devices,
Journal Year:
2024,
Volume and Issue:
71(9), P. 5450 - 5455
Published: July 8, 2024
Language: Английский
Synthesis of BiSbS3@BiSbO4/CNH nanocomposite for wastewater treatment and electrochemical application
Materials Advances,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
A
carbon
nanohorn
(CNH)-modified
BiSbS
3
/BiSbO
4
(BiSbS
@BiSbO
/CNH)
nanocomposite
was
synthesized
by
hydrothermal
method
to
remove
pentachlorophenol
(5-CP)
via
photocatalysis.
Language: Английский
Bifunctional BiVO4/Cu2O photoelectrode for bias-free solar water splitting tandem cells
Xiangchen Shu,
No information about this author
Ruyi Wang,
No information about this author
Lei Yang
No information about this author
et al.
Solar Energy Materials and Solar Cells,
Journal Year:
2024,
Volume and Issue:
282, P. 113386 - 113386
Published: Dec. 24, 2024
Language: Английский
Extra-large photocurrent in acceptor-donor co-doped single-layer BiVO4 film
Journal of Power Sources,
Journal Year:
2024,
Volume and Issue:
621, P. 235325 - 235325
Published: Sept. 2, 2024
Language: Английский
A BiVO4/Bi2Mo2O9 heterostructure towards oriented charge transfer for efficient photoelectrochemical water oxidation
Yuli Xiong,
No information about this author
Nan Zhou,
No information about this author
Yuting Zhou
No information about this author
et al.
Sustainable Energy & Fuels,
Journal Year:
2024,
Volume and Issue:
8(18), P. 4263 - 4271
Published: Jan. 1, 2024
A
BiVO
4
/Bi
2
Mo
O
9
heterostructure
is
prepared
by
the
SILAR
method,
demonstrating
3.4
times
higher
photocurrent
compared
to
Bi
due
oriented
photogenerated
hole
transfer.
Language: Английский