Results 11 to 20 of about 3,090 (200)

Current Progress of Excellent Photodetectors Based on Novel Semiconductor Nanomaterials [PDF]

open access: yesNanomaterials
Photodetectors have undergone widespread, gradual application. Correlation detectors with varying properties are used in diverse fields. This review systematically summarizes the principles, properties, and applications of various photoelectric detectors
Tianmeng Shang   +6 more
doaj   +2 more sources

Photomultiplication‐Type Organic Photodetectors for Near‐Infrared Sensing with High and Bias‐Independent Specific Detectivity

open access: yesAdvanced Science, 2022
Highly responsive organic photodetectors allow a plethora of applications in fields like imaging, health, security monitoring, etc. Photomultiplication‐type organic photodetectors (PM‐OPDs) are a desirable option due to their internal amplification ...
Shen Xing   +2 more
exaly   +2 more sources

The Role of Noise in Specific Detectivity of InAs/GaSb Superlattice MWIR Bariodes

open access: yesSensors, 2021
In this paper, the results of the electrical, noise, and optical characterization of p-i-n and p-B-i-n diodes with AlSb and 4 ML AlSb/8 ML GaSb superlattice barriers in High-Operating Temperature conditions, are presented.
Krzysztof Czuba   +2 more
exaly   +3 more sources

Three-Dimensional Dirac Semimetal/Organic Thin Film Heterojunction Photodetector With Fast Response and High Detectivity

open access: yesFrontiers in Physics, 2021
As a typical three-dimensional Dirac semimetal (3D DSM), Cd3As2 possess ultrahigh carrier mobility, high level of full spectral absorption, fast electron transmission speed, and high photocurrent response, which enable wide applications in infrared ...
Qi Liu   +7 more
doaj   +1 more source

Improved Detectivity for Detecting Gas Hydrates Using the Weighted Differential Fields of the Marine Controlled-Source Electromagnetic Data

open access: yesJournal of Marine Science and Engineering, 2022
Gas hydrate is seen as a kind of new energy resources, yet it may also be one of the main greenhouse gases as its dissociation may release methane into the atmosphere.
Gang Li   +4 more
doaj   +1 more source

Design, Fabrication and Characterization of a Wideband Metamaterial Absorber for THz Imaging

open access: yesEngineering Proceedings, 2023
In this paper, the design and optimization of a wideband THz metamaterial absorber (MMA) are proposed. By simulation, we reached four structures with absorptions higher than 50%, 70%, 80%, and 90%, with relative absorption bandwidths (RABWs) of 1.43, 1 ...
Zeynab Alipour   +2 more
doaj   +1 more source

Properties of Halide Perovskite Photodetectors with Little Rubidium Incorporation

open access: yesNanomaterials, 2022
This study investigates the effects of Rb doping on the Rb-formamidinium-methylammonium-PbI3 based perovskite photodetectors. Rb was incorporated in the perovskite films with different contents, and the corresponding photo-response properties were ...
Yuan-Wen Hsiao   +4 more
doaj   +1 more source

Dark Current Analysis on GeSn p-i-n Photodetectors

open access: yesSensors, 2023
Group IV alloys of GeSn have been extensively investigated as a competing material alternative in shortwave-to-mid-infrared photodetectors (PDs). The relatively large defect densities present in GeSn alloys are the major challenge in developing practical
Soumava Ghosh   +5 more
doaj   +1 more source

Preparation and Characterization of Nanostructured Inorganic Copper Zinc Tin Sulfide-Delafossite Nano/Micro Composite as a Novel Photodetector with High Efficiency

open access: yesPhotonics, 2022
A novel photodetector, based on Cu2ZnSnS4, CZTS, is deposited on Cu/CuFeO2 for wavelength and light power intensity detection. The preparation of CuFeO2 is carried out by the direct combustion of Cu foil wetted with Fe(NO3)2 solution.
Amira H. Ali   +8 more
doaj   +1 more source

Performance Analysis of Resonantly Driven Piezoelectric Sensors Operating in Amplitude Mode and Phase Mode

open access: yesSensors, 2023
Piezoelectric layers coupled to micromechanical resonators serve as the basis for sensors to detect a variety of different physical quantities. In contrast to passive sensors, actively operated sensors exploit a detuning of the resonance frequency caused
Phillip Durdaut, Michael Höft
doaj   +1 more source

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