Room temperature graphene mid-infrared bolometer with a broad operational wavelength range

S Yuan, R Yu, C Ma, B Deng, Q Guo, X Chen, C Li… - Acs …, 2020 - ACS Publications
The past decade has witnessed the realization of numerous different types of graphene
photodetectors with a strong focus on the visible and near-infrared spectral range, in which …

Nanomechanical spectroscopy of 2D materials

JN Kirchhof, Y Yu, G Antheaume, G Gordeev… - Nano …, 2022 - ACS Publications
We introduce a nanomechanical platform for fast and sensitive measurements of the
spectrally resolved optical dielectric function of 2D materials. At the heart of our approach is …

Fabrication of microbolometer arrays based on polymorphous silicon–germanium

R Jimenez, M Moreno, A Torres, A Morales, A Ponce… - Sensors, 2020 - mdpi.com
This work reports the development of arrays of infrared sensors (microbolometers) using a
hydrogenated polymorphous silicon–germanium alloy (pm-SixGe1-x: H). Basically …

Antenna-based reduced IR absorbers for high-performance microbolometers

S Jagan Mohan Rao, DS Kim, S Namgung, D Lee - Optics Letters, 2022 - opg.optica.org
Absorbers for long-wavelength infrared (LWIR) are designed to have a reduced geometry
fitted to a gold cross antenna and numerically studied. Compared to the square membrane …

Electrical and infrared optical properties of vanadium oxide semiconducting thin-film thermometers

MF Zia, M Abdel-Rahman, M Alduraibi, B Ilahi… - Journal of Electronic …, 2017 - Springer
A synthesis method has been developed for preparation of vanadium oxide thermometer
thin film for microbolometer application. The structure presented is a 95-nm thin film …

Study of conductive polymer PEDOT: PSS for infrared thermal detection

J Li, Z Li, J Wang, X Chen - Optical Materials Express, 2019 - opg.optica.org
We study a conductive polymer PEDOT: PSS for infrared thermal detection. We propose to
use PEDOT: PSS simultaneously as the thermal sensitive material, infrared absorption layer …

Temperature-dependent resistive properties of vanadium pentoxide/vanadium multi-layer thin films for microbolometer & antenna-coupled microbolometer …

M Abdel-Rahman, M Zia, M Alduraibi - Sensors, 2019 - mdpi.com
In this study, vanadium oxide (VxOy) semiconducting resistive thermometer thin films were
developed, and their temperature-dependent resistive behavior was examined. Multilayers …

Conducting‐Polymer Bolometers for Low‐Cost IR‐Detection Systems

A Håkansson, M Shahi, JW Brill… - Advanced Electronic …, 2019 - Wiley Online Library
Semiconducting polymers are promising materials for manufacturing optoelectronic devices,
such as large‐area solar cells or small light‐emitting diodes, through the use of printing …

[HTML][HTML] Electrical, Optical and Thermal Properties of Ge-Si-Sn-O Thin Films

F Vadakepurathu, M Rana - Materials, 2024 - mdpi.com
This work evaluates the electrical, optical and thermal properties of Sn-doped GexSi1-xOy
thin films for use as microbolometer sensing materials. The films were prepared using a …

Thermal annealing effects on microstructural and thermo-optical properties of V/V2O5 alternating layers structure

A Khalfaoui, S Ilahi, S Ktifa, N Yacoubi - Optics & Laser Technology, 2022 - Elsevier
In this work, the effect of annealing time on structural, optical, and thermal properties of V x O
y used as functional material in microbolometer applications is studied. A suitable thermal …