A review of phototransistors using metal oxide semiconductors: Research progress and future directions

H Yoo, IS Lee, S Jung, SM Rho, BH Kang… - Advanced …, 2021 - Wiley Online Library
Metal oxide thin‐film transistors have been continuously researched and mass‐produced in
the display industry. However, their phototransistors are still in their infancy. In particular …

Vertically graded oxygen deficiency for improving electrical characteristics and stability of indium gallium zinc oxide thin-film transistors

CS Yoon, HT Kim, MS Kim, H Yoo… - … Applied Materials & …, 2021 - ACS Publications
We investigated a facile fabrication method, which is an insertion of a carrier-induced
interlayer (CII) between the oxygen-rich a-IGZO channel and the gate insulator to improve …

Modulation of the Al/Cu2O Schottky Barrier Height for p-Type Oxide TFTs Using a Polyethylenimine Interlayer

HJ Kim, SP Park, WK Min, D Kim, K Park… - ACS Applied Materials …, 2021 - ACS Publications
We introduced an organic interlayer into the Schottky contact interface to control the contact
property. After inserting an 11-nm-thick polyethylenimine (PEI) interlayer between the …

Simultaneously defined semiconducting channel layer using electrohydrodynamic jet printing of a passivation layer for oxide thin-film transistors

S Hong, JW Na, IS Lee, HT Kim, BH Kang… - … applied materials & …, 2020 - ACS Publications
A simple fabrication method for homojunction-structured Al-doped indium–tin oxide (ITO)
thin-film transistors (TFTs) using an electrohydrodynamic (EHD) jet-printed Al2O3 …

Metal-Rich Zn-Sn-ON Channel-Based Thin Film Transistor Photodetectors

JY Ren, XH Liu, T Li, YJ Qian, PX Hu… - … on Electron Devices, 2024 - ieeexplore.ieee.org
Oxide semiconductor photodetectors (PDs) are frequently employed in applications such as
the Internet of Things (IoT) due to their high mobility and low off-state current. To balance …

Rapid and selective green laser activation of InGaZnO thin-film transistors through metal absorption

JW Park, WG Kim, H Yoo, HT Kim, DH Choi… - Journal of Information …, 2022 - Taylor & Francis
We used a pulsed green laser to activate indium gallium zinc oxide thin-film transistors
(IGZO TFTs). The IGZO films with large bandgaps (> 3 eV) were easily activated by heat …

Enhancement of electrical characteristics and stability of self-patterned In–Zn–O thin-film transistors based on photosensitive precursors

HJ Kim, J Jung, HJ Kim - Scientific reports, 2020 - nature.com
We report a novel self-patterning method for solution-processed indium zinc oxide (IZO) thin
films based on photosensitive precursors. This approach is an alternative and evolutionary …