High performance amorphous selenium lateral photodetector

Characterization of Low Dark-Current Lateral Amorphous-Selenium ...

It has a bandgap of 2.2 eV and can achieve high photodetection efficiency at short wavelengths less than 400 nm which makes it appealing for indirect conversion ...

Lateral metal-semiconductor-metal photodetectors based on ... - OUCI

We report a lateral metal-semiconductor-metal (MSM) photodetector (PD) based on an amorphous selenium (a-Se) ... high-speed photoresponse with a rise time of 50 ...

Co-axial silicon/perovskite heterojunction arrays for high ...

... high performance X-ray detection. In particular, to achieve pixelated ... amorphous Si (α-Si) photodetectors. However, such indirect-conversion method ...

High gain lateral amorphous selenium (a-Se) detector for medical ...

... speed and low dark current. Thus, we believe the lateral structure is also promising for high gain photodetector applications like PET. In this paper, we ...

Vertically stacked amorphous selenium based VUV photodetectors ...

... high purity selenium pellets stabilized with 0.2% arsenic and 10 ppm of chlorine. In the next stage, an electron beam thermal evaporator is ...

Karim S. Karim - Publications - The Academic Family Tree

Amorphous selenium lateral Frisch photodetector and photo multiplier for high performance medical x-ray and gamma-ray imaging applications Progress in ...

REVIEW - AAPM

New flat-panel x-ray detectors based on amorphous selenium technology offer extremely high quantum efficiency and high resolution, resulting in mammograms with ...

PROCEEDINGS OF SPIE - NSF PAR

and Karim, K., [Lateral Amorphous Selenium Detector for Large Area, High Speed, and High Energy. X-ray Imaging] (2010). [5] Lanyon, H. P. D., “Optical and ...

Vertical Architecture Solution-Processed Quantum Dot ... - OSTI.GOV

Title: Vertical Architecture Solution-Processed Quantum Dot Photodetectors with Amorphous Selenium Hole Transport Layer ... High‐Performance Photodetectors by ...

Image Quality and Radiation Dose on Digital Chest Imaging

Overall, the contrast-detail study showed a significantly better low-contrast performance of the amorphous silicon system compared with the amorphous selenium ...

High spatial resolution direct conversion amorphous selenium X-ray ...

Rodricks and G.F. Powell, Improved imaging performance of a 14"× 17" direct radiography system using a Se/TFT detector, in Medical Imaging 1998: ...

Indirect conversion amorphous selenium photodetectors for medical ...

Chapter 6 Development of high conversion gain a-Se photodetectors: Lateral ... In this section the performance of the lateral a-Se photodetector is compared with ...

Selenium microrods-based broadband photodetector - Researching

Low Dark-Current Lateral Amorphous-Selenium Metal–Semiconductor–Metal Photodetector. ... High-Performance t-Se Microtube Photodetector by ...

Controlled Growth of a Large-Size 2D Selenium Nanosheet and Its ...

Current Lateral Amorphous-Selenium Metal−Semiconductor−Metal. Photodetector. ... Arrays toward High-Performance Visible-Light Photodetectors ...

Selenium photomultiplier and method for fabrication thereof

... detector of very high performance. US6204087B1 1997-02 ... CHEN, K. S. KARIM: "Amorphous selenium lateral Frisch photodetector and photomultiplier for high ...

Publications - RADIOLOGICAL INSTRUMENTATION LABORATORY

... High performance amorphous selenium lateral photodetector,” Proc. SPIE Medical Imaging, 2012. S. Abbaszadeh, S. H. Majid, N. Allec, and K. S. Karim, “Amorphous ...

Broadband, Polarization-Sensitive, and Self-Powered High ...

High performance molybdenum disulfide amorphous silicon heterojunction photodetector. ... lateral heterostructures and photodetector application. ACS Appl ...

2012 publications | Silicon Thin-film Applied Research

Allec, and K.S. Karim, "High performance amorphous selenium lateral photodetector," in SPIE Medical Imaging 2012: Physics of Medical Imaging, San Diego, CA, ...

amorphous selenium flat-panel: Topics by Science.gov

For low dose imaging, electronic noise from the amorphous silicon thin film transistor (TFT) array degrades imaging performance. We have fabricated the first ...

‪Shiva Abbaszadeh‬ - ‪Google Scholar‬

Low dark-current lateral amorphous-selenium metal–semiconductor–metal photodetector. S Abbaszadeh, N Allec, K Wang, KS Karim. IEEE electron device letters 32 (9) ...