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UV–Vis Spectrometers01:14

UV–Vis Spectrometers

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The absorbance of UV and visible (UV–visible) radiations is measured using a UV–visible spectrophotometer. Deuterium lamps, which emit UV radiation, and tungsten lamps, which produce radiation in the visible region, are used as light sources in UV–visible spectrophotometers. A monochromator or prism is used for diffraction grating, i.e., to split the incoming radiation into different wavelengths. A system of slits is used to focus the desired wavelength on the sample cell.
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Ultraviolet and Visible (UV–Vis) Spectroscopy: Overview01:02

Ultraviolet and Visible (UV–Vis) Spectroscopy: Overview

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Ultraviolet–visible (UV–visible or UV–Vis) spectroscopy is an analytical technique that investigates the interaction between matter and UV–Vis light within the electromagnetic spectrum. This method is widely used for its versatility, simplicity, and relatively quick data acquisition, making it valuable for both qualitative and quantitative analysis. When UV–Vis radiation passes through a material,  molecules absorb light depending on the energy required for...
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Updated: Jan 13, 2026

Light Enhanced Hydrofluoric Acid Passivation: A Sensitive Technique for Detecting Bulk Silicon Defects
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Light Enhanced Hydrofluoric Acid Passivation: A Sensitive Technique for Detecting Bulk Silicon Defects

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基于的紫外线光检测技术的进步

Arif Kamal1,2, Seongin Hong1,2,3, Heongkyu Ju2,3

  • 1Department of Semiconductor Engineering, Gachon University, Seongnam-si 13120, Republic of Korea.

Micromachines
|October 29, 2025
PubMed
概括

(Si) 对可见光检测具有成本效益,但由于其特性,它与紫外线 (UV) 光相斗争. 本综述探讨了基于Si的和混合型紫外线光探测器,强调了克服改善紫外线检测局限性的策略.

关键词:
紫外线光电探测器 紫外线光电探测器响应性的响应性是一种.表面工程 表面工程是什么?宽带差距 宽带差距 宽带差距

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相关实验视频

Last Updated: Jan 13, 2026

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科学领域:

  • 半导体物理 半导体物理
  • 光电学是指光电子产品.
  • 材料科学 材料科学 材料科学

背景情况:

  • (Si) 是一种成熟的,具有成本效益的半导体,用于可见光和近红外光检测.
  • 的狭窄带隙和表面缺陷阻碍了有效的紫外线 (UV) 光检测.
  • 现有的紫外线检测方法通常涉及宽带间隙半导体或混合Si结构.

研究的目的:

  • 审查紫外线光探测器机制和技术.
  • 讨论基于Si的紫外线检测的挑战和解决方案.
  • 探索混合宽带间隙半导体/Si结构,以增强紫外线光检测.

主要方法:

  • 审查有关UV光探测器的现有文献.
  • 根据检测机制对紫外线探测器进行分类.
  • 对Si.表面缺陷减轻技术的分析.
  • 对混合宽带间隙半导体和Si结构的检查.

主要成果:

  • 的内在特性对紫外线检测提出了挑战.
  • 宽带间隙半导体提供紫外线敏感性,但需要与集成.
  • 混合结构显示协同效应,改善紫外线检测能力.
  • 表面缺陷最小化对于有效的基于Si的紫外线探测器至关重要.

结论:

  • 基于Si的紫外线光探测器需要克服内在局限性的策略.
  • 混合宽带间隔半导体/Si设备为先进的紫外线检测提供了一个有希望的途径.
  • 对于下一代紫外线探测器,需要进一步研究协同效应和缺陷控制.