Nov 26, 2025
Photomultiplication (PM) type organic photodetectors (OPDs) based on electron tunneling injection are achieved with a specific structure of
Dec 05, 2025
Photomultipliers are extremely sensitive photodetection devices based on the photoelectric effect and charge multiplication by secondary emission of electrons.
Feb 05, 2026
Photomultiplication type organic photodetectors (PM-OPDs) with a sandwich structure of ITO/PNDIT-F3N/P3HT: PCBM (100:1, wt/wt)/Al were successfully developed, exhibiting different
Mar 29, 2026
A fully vacuum‐processed photomultiplication‐type organic photodetector for near‐infrared (NIR) sensing with high and bias‐independent specific detectivity is achieved by efficient trap‐assisted
May 10, 2026
These devices with switchable photoresponse characteristics showcase potential applications in the areas of micro-spectrometers, hyperspectral imaging and optical communication.
Nov 07, 2025
In this study, we introduce photomultiplication-type organic photodetectors (PM-OPDs) utilizing non-fullerene acceptors (NFAs) with switchable functionalities. These OPDs can transition
Aug 14, 2025
Miniaturized spectrometers enabled by intelligent photodetectors with tunable spectral response. (a) Schematic and (b) spectral response as a function of biasing displacement field of the
Dec 08, 2025
Applications such as image sensors, spectrometers, the Internet of Things, and optical communications are in need of spectral selective
Mar 08, 2026
Here we report a microsized optical spectrometer that is based on an optical-spacer-integrated photomultiplication-type organic photodetector with a
Aug 12, 2025
Photomultiplication-type organic photodetector (PM-OPD), which converts the faint photon signals into amplified photocurrents, combines the benefits of intrinsic solution-processability and
Aug 18, 2025
A promising solution to this limitation is the development of photomultiplication-type OPDs (PMOPDs), which can self-amplify photocurrents under illumination and applied bias without
May 13, 2026
OverviewStructure and operating principlesHistoryUsage considerationsApplicationsBibliographyExternal links
Photomultiplier tubes (photomultipliers or PMTs for short) are extremely sensitive detectors of light in the ultraviolet, visible, and near-infrared ranges of the electromagnetic spectrum. They are members of the class of vacuum tubes, more specifically vacuum phototubes. These detectors multiply the current produced by incident light by as much as 100 million times or 10 (i.e., 160 dB), in multiple dynode stages, enabling (for
Oct 03, 2025
Photomultiplier tubes (PMTs) are the most common detectors in point scanning confocal microscopes. An incoming photon liberates an electron from the
Apr 11, 2026
Photomultiplication-type organic photodetectors (PM-OPDs) have garnered considerable attention for their ability to provide high sensitivity and tunable spectral response, positioning them as
Nov 07, 2025
How Does a Photomultiplier Work? A photomultiplier is an electronic device used to detect light and convert it into an electrical signal. It is commonly used in scientific research and
Feb 01, 2026
In this work, by adopting the synergy strategy of thermal-induced interfacial structural traps and blocking layers, we develop a dual-mode visible-near infrared organic photodiode with bias
Jul 19, 2025
Miniaturized spectrometers open new possibilities for on-chip and portable optical sensing. Here, we demonstrate a two-terminal organic
May 08, 2026
And in large-area detectors, the availability of scintillating fibres is again favouring the use of the PMT as an alternative to the slower multi-wire proportional counter. Not that development of the PMT itself
Jun 17, 2026
Built on the versatile chemistry of organic semiconductors, organic photodetectors offer efficient thin-film light absorption, mechanical flexibility,
Nov 14, 2025
A broadband photodetector is optimized using this nanocomposite to enhance the performance of a photomultiplication-based organic photodetector. Various weight percentages
Aug 09, 2025
When light is irradiated onto a rapidly flowing solution that co ntains cells or chromosomes, fluorescence and scattered light is released from the cells or chromosomes. Analyzing this fluorescence and
Apr 03, 2026
Abstract A broadband photomultiplication (PM)-type organic photodetector (OPD) is fabricated by incorporating ZnTCPP 2D metal–organic framework nanosheets (MONs) into a
Dec 09, 2025
Additionally, the photomultiplication photodiodes with light amplification function suffer from potential damages caused by high power consumption under strong light.
Mar 29, 2026
Here, we demonstrate a fully vacuum-deposited PM-OPD architecture that mitigates these limitations by integrating hole-blocking layers low-stoichiometry molecular trap engineering.
Apr 28, 2026
A photomultiplier is a device that converts incident photons into an electrical signal. Kinds of photomultiplier include: Photomultiplier tube, a vacuum tube converting incident photons into an
Jul 08, 2026
This review summarizes recent research advancements in materials, structures, performance, and applications of narrowband organic photodetectors,
Aug 24, 2025
Broad response organic photodetectors (OPDs) with a photomultiplication (PM) effect are achieved with one absorber layer and one
Jun 14, 2026
By using only a minimal amount of the costly NIR-sensitive material Y6 (P3HT : Y6, 100 : 1) and optimizing the thick bulk heterojunction active layer, we enhance electron trapping and
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