Photoconductive Materials

Owens, A.R.

doi:10.1002/9781119579182.ch10

Cited by 3 publications

(1 citation statement)

References 190 publications

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“…However, both typical Si & Ge semiconductor and NaI (Tl) scintillation detectors have drawbacks due to their low detection e ciencies and their low intrinsic resolution. Si & Ge semiconductors are expensive and need more cooling systems as well [9][10][11]. In recent years, to overcome these limitations, Cadmium Telluride (CdTe) & Cadmium Zinc Telluride (CZT) semiconductor detectors were developed.…”

Section: Introductionmentioning

confidence: 99%

A Simulation Study for Optimal Pinhole Collimator Design in Gamma Camera Systems

Ghoneim,

Elsharkawy

2024

Preprint

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A pinhole collimator was designed and simulated to achieve the desired level of resolution and sensitivity in a gamma camera by utilizing a CdTe semiconductor detector. To conduct this objective, a simulation toolkit based on the Geant4 Application for Tomographic Emission (GATE) was employed. The image capabilities of the proposed system were assessed by varying the magnification factor and pinhole diameter to estimate spatial resolution and sensitivity. Moreover, a hot rod phantom was designed to evaluate the system's overall imaging functionality. Results revealed that an increase in the pinhole diameter was correlated with an increase in sensitivity, while the spatial resolution was decreasing. There were distinct variations in sensitivity and spatial resolution depending on changes in the magnification factor as well. Finally, by analyzing trade-off curves, 1.38 ± 0.081 mm was approximately the optimal pinhole diameter for our proposed system.

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Section: Introductionmentioning

confidence: 99%

A Simulation Study for Optimal Pinhole Collimator Design in Gamma Camera Systems

Ghoneim,

Elsharkawy

2024

Preprint

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Photoconductivity: Fundamental Concepts

Kasap

2022

Photoconductivity and Photoconductive Materials

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Light‐Responsive Materials in Droplet Manipulation for Biochemical Applications

Cheng,

Kuan,

Lou

et al. 2024

Advanced Materials

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Miniaturized droplets, characterized by well‐controlled microenvironments and capability for parallel processing, have significantly advanced the studies on enzymatic evolution, molecular diagnostics, and single‐cell analysis. However, manipulation of small‐sized droplets, including moving, merging, and trapping of the targeted droplets for complex biochemical assays and subsequent analysis, is not trivial and remains technically demanding. Among various techniques, light‐driven methods stand out as a promising candidate for droplet manipulation in a facile and flexible manner, given the features of contactless interaction, high spatiotemporal resolution, and biocompatibility. This review therefore compiles an in‐depth discussion of the governing mechanisms underpinning light‐driven droplet manipulation. Besides, light‐responsive materials, representing the core of light‐matter interaction and the key character converting light into different forms of energy, are particularly assessed in this review. Recent advancements in light‐responsive materials and the most notable applications are comprehensively archived and evaluated. Continuous innovations and rational engineering of light‐responsive materials are expected to propel the development of light‐driven droplet manipulation, equip droplets with enhanced functionality, and broaden the applications of droplets for biochemical studies and routine biochemical investigations.This article is protected by copyright. All rights reserved

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Photoconductive Materials

Cited by 3 publications

References 190 publications

A Simulation Study for Optimal Pinhole Collimator Design in Gamma Camera Systems

A Simulation Study for Optimal Pinhole Collimator Design in Gamma Camera Systems

Photoconductivity: Fundamental Concepts

Light‐Responsive Materials in Droplet Manipulation for Biochemical Applications

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