Recent progress on broadband organic photodetectors and their applications

Z Zhao, C Xu, L Niu, X Zhang… - Laser & Photonics …, 2020 - Wiley Online Library
As a promising candidate for next‐generation photodetectors, organic photodetectors
(OPDs) outperform the commercial inorganic photodetectors in terms of solution and large …

Heterogeneous and monolithic 3D integration technology for mixed-signal ICs

J Jeong, DM Geum, SH Kim - Electronics, 2022 - mdpi.com
For next-generation system-on-chips (SoCs) in diverse applications (RF, sensor, display,
etc.) which require high-performance, small form factors, and low power consumption …

High‐Performance MAPbI3/PM6:Y6 Perovskite/Organic Hybrid Photodetectors with a Broadband Response

Y Zhang, Z Qin, W Nie, Y Li, X Huo… - Advanced Optical …, 2022 - Wiley Online Library
Broadband photodetectors have a wide range of applications in the fields of biomedical
sensing, environmental monitoring, optical communications, and space exploration. Since …

Heterogeneous integration of III–V materials by direct wafer bonding for high-performance electronics and optoelectronics

D Caimi, P Tiwari, M Sousa… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
III-V materials, such as InGaAs and InP, are highly attractive for high-performance
electronics and optoelectronics owning to their high carrier mobilities and potential for …

Arrayed MoS2–In0.53Ga0.47As van der Waals Heterostructure for High‐Speed and Broadband Detection from Visible to Shortwave‐Infrared Light

DM Geum, S Kim, JH Khym, J Lim, SK Kim, SY Ahn… - Small, 2021 - Wiley Online Library
A high‐speed and broadband 5× 5 photodetector array based on MoS2/In0. 53Ga0. 47As
heterojunction is successfully demonstrated to take full advantage of the type‐II band …

Experimental demonstration of germanium-on-silicon slot waveguides at mid-infrared wavelength

J Lim, J Shim, DM Geum, S Kim - IEEE Photonics Journal, 2022 - ieeexplore.ieee.org
We first demonstrated a slot waveguide based on a Ge-on-Si (GOS) platform with a 3 μm
thickness of the Ge in the mid-infrared wavelength range at 4.2 μm. We numerically …

Long-term stable near-infrared–short-wave-infrared photodetector driven by the photothermal effect of polypyrrole nanostructures

H Xiang, C Xin, Z Hu, L Aigouy, Z Chen… - ACS Applied Materials …, 2021 - ACS Publications
Polypyrrole (PPy) is a conductive polymer and widely applied in different applications owing
to its broadband absorption in the UV–visible, near-infrared (NIR), and short-wave-infrared …

Dark Current in Broadband Perovskite–Organic Heterojunction Photodetectors Controlled by Interfacial Energy Band Offset

D Nodari, LJF Hart, OJ Sandberg, F Furlan… - Advanced …, 2024 - Wiley Online Library
Lead halide perovskite and organic semiconductors are promising classes of materials for
photodetector (PD) applications. State‐of‐the‐art perovskite PDs have performance metrics …

Tailoring bolometric properties of a TiOx/Ti/TiOx tri-layer film for integrated optical gas sensors

J Shim, J Lim, DM Geum, BH Kim, SY Ahn, SH Kim - Optics Express, 2021 - opg.optica.org
In this paper, we systematically investigated tailoring bolometric properties of a proposed
heat-sensitive TiO_x/Ti/TiO_x tri-layer film for a waveguide-based bolometer, which can play …

Organic bulk heterojunction enabled with nanocapsules of hydrate vanadium pentaoxide layer for high responsivity self-powered photodetector

H Dahiya, A Agrawal, GD Sharma… - Journal of …, 2022 - iopscience.iop.org
This article demonstrates the fabrication of organic-based devices using a low-cost solution-
processable technique. A blended heterojunction of chlorine substituted 2D-conjugated …