High-detectivity ultraviolet-B photodetector based on SnO2 thin film/Si heterojunction

K Ozel, A Yildiz - Semiconductor Science and Technology, 2021 - iopscience.iop.org
Composed of a metal oxide (MO x) material-based emitter layer, p–n heterojunction
photodetectors (HPDs) challenge their homojunction counterparts for use in new generation …

A route towards enhanced UV photo-response characteristics of SnO2/p-Si based heterostructures by hydrothermally grown nanorods

K Ozel, A Atilgan, NE Koksal, A Yildiz - Journal of Alloys and Compounds, 2020 - Elsevier
Integrating nanorods (NRs) into the structure of pn heterojunction-based devices proposes a
promising approach to overcome limited light absorption and charge transfer in …

Engineering graphene quantum dots for enhanced ultraviolet and visible light p-Si nanowire-based photodetector

I Mihalache, A Radoi, R Pascu… - … applied materials & …, 2017 - ACS Publications
In this work, a significant improvement of the classical silicon nanowire (SiNW)-based
photodetector was achieved through the realization of core–shell structures using newly …

A self-powered dual-functional hybrid Cu2O/SiNWs heterojunction with applications in broadband photodetectors and ozone gas sensors

CY Huang, XR He, JJ Jhang, JH Wu, TH Wu… - Sensors and Actuators A …, 2022 - Elsevier
Dual-functional sensors can replace two or more individual sensors in a platform so they
decrease the system area. However, these devices have a major limitation in that they …

Fast switching photodetector based on HfO2 thin film deposited using electron beam evaporation technique

B Moirangthem, MW Alam, NK Singh - Applied Physics A, 2023 - Springer
This study reports the electrical properties of a fast-switching photodetector based on a
Hafnium Oxide (HfO2) thin film (TF) device with gold (Au) Schottky electrodes. It also …

A self-powered ultraviolet photodiode using an amorphous InGaZnO/p-silicon nanowire heterojunction

CY Huang, CP Huang, H Chen, SW Pai, PJ Wang… - Vacuum, 2020 - Elsevier
This study proposes a novel photodetector (PD) that uses an amorphous InGaZnO
(IGZO)/silicon nanowires (SiNWs) heterojunction, in which the IGZO functions as an …

UV photodetector based on vertically aligned Ta2O5 nanorods

ER Singh, NK Almulhem, MW Alam, NK Singh - Optical Materials, 2024 - Elsevier
This work presents the investigation of the GLAD technique to fabricate Tantalum pentoxide
(Ta 2 O 5) Nanorods for the application of ultraviolet (UV) photodetector. X-ray diffraction …

Investigation of the effect of light on the electrical parameters of Si/TiO2 heterojunctions produced by anodic oxidation on p-type Si wafer

F Unal, MS Kurt, S Durdu - Journal of Materials Science: Materials in …, 2022 - Springer
Fabrication of heterojunctions of Si combined with TiO2 oxide-based semiconductors is an
alternative method to produce cost effective photodiodes at last decade. In this study, to …

Fast-response ultraviolet photodetector based on Ta2O5 thin film

ER Singh, MW Alam, B Souayeh, NK Singh - Journal of Materials Science …, 2023 - Springer
The deposition of a Ta2O5 thin film (TF) onto n-Si substrates was carried out using a
conventional electron beam evaporation method. The amorphous structural nature of the …

Low Dark Current and High Responsivity UV Detector Based on TiO2 Nanowire/RGO Thin Film Heterostructure

P Deb, JC Dhar - IEEE Transactions on Electron Devices, 2019 - ieeexplore.ieee.org
A UV detector was fabricated using glancing angle deposition (GLAD)-synthesized TiO 2
nanowires (NWs) over spin-coated reduced graphene oxide (RGO) thin films (TFs) on a Si …