Recent progress on sum-frequency spectroscopy

CS Tian, YR Shen - Surface Science Reports, 2014 - Elsevier
Second harmonic generation (SHG) and sum frequency spectroscopy (SFS) have provided
unique opportunities to probe surfaces and interfaces. They have found broad applications …

Optical second-harmonic generation measurement for probing organic device operation

T Manaka, M Iwamoto - Light: Science & Applications, 2016 - nature.com
We give a brief overview of the electric-field induced optical second-harmonic generation
(EFISHG) technique that has been used to study the complex behaviors of organic-based …

[HTML][HTML] Nature of Ohmic and Schottky contacts on pentacene-based organic field-effect transistor

M Hanic, T Vincze, V Rezo, M Weis - Synthetic Metals, 2024 - Elsevier
Organic field-effect transistors (OFETs) have become promising components for a wide
range of applications in the fast-growing field of organic electronics. Nevertheless, with the …

Monitoring the charge accumulation process in polymeric field-effect transistors via in situ sum frequency generation

TC Anglin, DB O'Brien, AM Massari - The Journal of Physical …, 2010 - ACS Publications
Vibrational sum frequency generation (VSFG) spectroscopy is used to probe the polymer−
silica interface of poly (3-hexylthiophene)(P3HT) organic field-effect transistors (oFETs) in …

Electrochemical mechanism of ion current rectification of polyelectrolyte gel diodes

T Yamamoto, M Doi - Nature communications, 2014 - nature.com
Polyelectrolyte gel diodes that are double layers of two oppositely charged polyelectrolyte
gels, sandwiched by two symmetric electrodes, are emergent ionic devices. These diodes …

Anisotropic charge transport study of highly oriented P4T2F-HD thin film fabricated at air–liquid interface through second harmonic generation (SHG) analysis

R Shyam, T Manaka, R Prakash - RSC Applied Interfaces, 2024 - pubs.rsc.org
This study delves into the anisotropic carrier transport characteristics of unidirectionally
aligned films made from poly (4-terthiophen-2-yl-difluorobenzothiadiazole)(P4T2F-HD) by …

Analysis of transient currents in organic field effect transistor: The time-of-flight method

M Weis, J Lin, D Taguchi, T Manaka… - The Journal of Physical …, 2009 - ACS Publications
The transient current generated from an organic field effect transistor (OFET) is analyzed,
and the modified time-of-flight (TOF) method is employed for evaluating the carrier mobility …

Direct probing of photovoltaic effect generated in double-layer organic solar cell by electric-field-induced optical second-harmonic generation

D Taguchi, T Shino, L Zhang, J Li, M Weis… - Applied physics …, 2011 - iopscience.iop.org
By using time-resolved electric-field-induced optical second-harmonic generation (EFISHG)
measurement, we directly probed photovoltaic effect generated in double-layer …

Charge modulated reflectance topography for probing in-plane carrier distribution in pentacene field-effect transistors

T Manaka, S Kawashima, M Iwamoto - Applied Physics Letters, 2010 - pubs.aip.org
By using charge modulated reflectance (CMR) topography, we showed that the in-plane
carrier distribution in pentacene field-effect transistors (FETs) can be directly probed under …

Molecular structure and carrier distributions at semiconductor/dielectric interfaces in organic field-effect transistors studied with sum frequency generation microscopy

IF Nakai, M Tachioka, A Ugawa, T Ueda… - Applied Physics …, 2009 - pubs.aip.org
Infrared-visible sum frequency generation (SFG) microscopy was applied to the observation
of semiconductor/dielectric interfaces in organic field-effect transistors fabricated with …