Modeling and visualization of carrier motion in organic films by optical second harmonic generation and Maxwell-displacement current

M Iwamoto, T Manaka, D Taguchi - Journal of Physics D: Applied …, 2015 - iopscience.iop.org
The probing and modeling of carrier motions in materials as well as in electronic devices is a
fundamental research subject in science and electronics. According to the Maxwell …

Sol-gel-based metal-oxide thin-film transistors for high-performance flexible NMOS inverters

SJ Park, TJ Ha - Journal of Alloys and Compounds, 2022 - Elsevier
High-performance metal-oxide thin-film transistors (oxide-TFTs) with high-k zirconium
dioxide (ZrO 2) dielectric and indium-gallium-zinc oxide (IGZO) semiconducting films were …

Time‐of‐Flight Method for Determining the Drift Mobility in Organic Semiconductors

M Funahashi - Organic Semiconductors for Optoelectronics, 2021 - Wiley Online Library
Electronic properties of organic semiconductors are determined by the carrier density and
carrier mobility. The time‐of‐flight (TOF) method is one of the techniques used for the …

Comprehensive analysis of two-dimensional charge transport mechanism in thin-film transistors based on random networks of single-wall carbon nanotubes using …

H Shin, SJ Park, BC Kang, TJ Ha - Nano Research, 2022 - Springer
Understanding charge transport mechanisms in thin-film transistors based on random
networks of single-wall carbon nanotubes (SWCNT-TFTs) is essential for further advances to …

The charge transport in organic field-effect transistor as an interface charge propagation: The Maxwell–Wagner effect model and transmission line approximation

M Weis, J Lin, D Taguchi, T Manaka… - Japanese Journal of …, 2010 - iopscience.iop.org
By analyzing electric field migration in the pentacene organic field-effect transistor channel
(OFET), visualized using the time-resolved microscopic optical second harmonic generation …

Examination of Au, Cu, and Al contacts in organic field-effect transistors via displacement current measurements

Y Liang, HC Chang, P Paul Ruden… - Journal of Applied …, 2011 - pubs.aip.org
Displacement current measurements (DCM) on long-channel capacitors (LCCs) were used
to examine carrier injection and extraction processes in organic field-effect transistors …

Revealing the mechanism of carrier transport in host-guest systems of organic materials with a modified Poisson and drift-diffusion solver

JY Huang, JH Lee, YR Wu, TY Chen, YC Chiu… - Physical Review …, 2020 - APS
A numerical solver based on two-dimensional Poisson and drift-diffusion equations with
Gaussian-shaped density of states, the Poole-Frenkel field mobility model, and the Ising …

Tying together multiscale calculations for charge transport in P3HT: Structural descriptors, morphology, and tie-chains

ED Miller, ML Jones, E Jankowski - Polymers, 2018 - mdpi.com
Evaluating new, promising organic molecules to make next-generation organic
optoelectronic devices necessitates the evaluation of charge carrier transport performance …

Influence of traps on transient electric field and mobility evaluation in organic field-effect transistors

T Manaka, F Liu, M Weis, M Iwamoto - Journal of Applied Physics, 2010 - pubs.aip.org
A significant difference between the transient electric field profiles of the pentacene organic
field-effect transistors (OFETs) with SiO 2 and poly (methyl-methacrylate)(PMMA) insulators …

Field-effect bulk mobilities in polymer semiconductor films measured by sourcemeters

Z Qin, S Han, D Li, C Zhai, W Lu, P Wei… - Review of Scientific …, 2023 - pubs.aip.org
Semiconducting polymers inherently exhibit polydispersity in terms of molecular structure
and microscopic morphology, which often results in a broad distribution of energy levels for …