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A two-dimensional model for an in-plane organic photo-conductive bilayer sensor

Wouter Woestenborghs, Patrick De Visschere UGent, Filip Beunis UGent and Kristiaan Neyts UGent (2014) JOURNAL OF PHYSICS D-APPLIED PHYSICS. 47(35).
abstract
In this work we present a two-dimensional (2D) model for an organic thin film photo-conductive sensor containing a planar heterojunction and in-plane electrodes. The model simulates the flow of charge carriers based on the standard one-dimensional semiconductor transport and continuity equations, and combines this with a 2D model for the electric field. This procedure results in a hybrid differential/integral equation formulation. We present and analyse simulation results that resemble very well measured current–voltage characteristics of a real sensor under different illumination levels. We find that for currents below a critical value the sensor behaves like a resistor. Above this critical current the current increases much more slowly due to space charge accumulation close to the cathode. We explain the critical current as the maximum reverse current of the solar cell formed by the heterojunction covering the cathodic electrode.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
TRANSPORT, DEVICES, INTERFACE, HETEROJUNCTION, SEMICONDUCTOR, SIMULATION, LAYER, organic electronics, photoconductor, PTCBI, simulation
journal title
JOURNAL OF PHYSICS D-APPLIED PHYSICS
J. Phys. D: Appl. Phys.
editor
Taylor Bailey and David Bowden
volume
47
issue
35
article number
355103
pages
10 pages
Web of Science type
Article
Web of Science id
000341353800008
JCR category
PHYSICS, APPLIED
JCR impact factor
2.721 (2014)
JCR rank
27/144 (2014)
JCR quartile
1 (2014)
ISSN
0022-3727
DOI
10.1088/0022-3727/47/35/355103
project
TARDIS II
language
English
UGent publication?
yes
classification
A1
copyright statement
I have transferred the copyright for this publication to the publisher
id
5673810
handle
http://hdl.handle.net/1854/LU-5673810
alternative location
http://iopscience.iop.org/0022-3727/47/35/355103
date created
2014-08-18 12:14:37
date last changed
2016-12-21 15:41:24
@article{5673810,
  abstract     = {In this work we present a two-dimensional (2D) model for an organic thin film photo-conductive sensor containing a planar heterojunction and in-plane electrodes. The model simulates the flow of charge carriers based on the standard one-dimensional semiconductor transport and continuity equations, and combines this with a 2D model for the electric field. This procedure results in a hybrid differential/integral equation formulation. We present and analyse simulation results that resemble very well measured current--voltage characteristics of a real sensor under different illumination levels. We find that for currents below a critical value the sensor behaves like a resistor. Above this critical current the current increases much more slowly due to space charge accumulation close to the cathode. We explain the critical current as the maximum reverse current of the solar cell formed by the heterojunction covering the cathodic electrode.},
  articleno    = {355103},
  author       = {Woestenborghs, Wouter and De Visschere, Patrick and Beunis, Filip and Neyts, Kristiaan},
  editor       = {Bailey, Taylor and Bowden, David},
  issn         = {0022-3727},
  journal      = {JOURNAL OF PHYSICS D-APPLIED PHYSICS},
  keyword      = {TRANSPORT,DEVICES,INTERFACE,HETEROJUNCTION,SEMICONDUCTOR,SIMULATION,LAYER,organic electronics,photoconductor,PTCBI,simulation},
  language     = {eng},
  number       = {35},
  pages        = {10},
  title        = {A two-dimensional model for an in-plane organic photo-conductive bilayer sensor},
  url          = {http://dx.doi.org/10.1088/0022-3727/47/35/355103},
  volume       = {47},
  year         = {2014},
}

Chicago
Woestenborghs, Wouter, Patrick De Visschere, Filip Beunis, and Kristiaan Neyts. 2014. “A Two-dimensional Model for an In-plane Organic Photo-conductive Bilayer Sensor.” Ed. Taylor Bailey and David Bowden. Journal of Physics D-applied Physics 47 (35).
APA
Woestenborghs, W., De Visschere, P., Beunis, F., & Neyts, K. (2014). A two-dimensional model for an in-plane organic photo-conductive bilayer sensor. (T. Bailey & D. Bowden, Eds.)JOURNAL OF PHYSICS D-APPLIED PHYSICS, 47(35).
Vancouver
1.
Woestenborghs W, De Visschere P, Beunis F, Neyts K. A two-dimensional model for an in-plane organic photo-conductive bilayer sensor. Bailey T, Bowden D, editors. JOURNAL OF PHYSICS D-APPLIED PHYSICS. 2014;47(35).
MLA
Woestenborghs, Wouter, Patrick De Visschere, Filip Beunis, et al. “A Two-dimensional Model for an In-plane Organic Photo-conductive Bilayer Sensor.” Ed. Taylor Bailey & David Bowden. JOURNAL OF PHYSICS D-APPLIED PHYSICS 47.35 (2014): n. pag. Print.