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Photoelectric Effect02:26

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When light of a particular wavelength strikes a metal surface, electrons are emitted. This is called the photoelectric effect. The minimum frequency of light that can cause such emission of electrons is called the threshold frequency, which is specific to the metal. Light with a frequency lower than the threshold frequency, even if it is of high intensity, cannot initiate the emission of electrons. However, when the frequency is higher than the threshold value, the number of electrons ejected...
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史无前例的基于银的混合热电,使宽光谱的光热电能够用于双断层光调制.

Xi Zeng1,2, Fu Li3, Yi Liu1

  • 1State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 350002, Fuzhou, Fujian, China.

Angewandte Chemie (International ed. in English)
|September 9, 2024
PubMed
概括

研究人员开发了一种新的基于银的混合火电材料 (N-CHM) Ag2I3,可实现光控制的双反射调制. 这一突破为先进的光学和光电子设备提供了新的战略.

关键词:
双重突破是一种突破无混合动力无混合动力摄影-热电电的电力.燃烧电的火力发电器

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科学领域:

  • 材料科学 材料科学 材料科学
  • 光电学是指光电子产品.
  • 晶体学 晶体学是指结晶学.

背景情况:

  • 双晶晶体对于操纵光学和光电子学中的偏光光是至关重要的.
  • 控制双断调制仍然是该领域的一个重大挑战.

研究的目的:

  • 引入一种新的基于银的混合热电材料, (N-CHM) Ag2I3,用于光诱导的双反射调制.
  • 为了研究光电效应及其在调节双折射中的应用.

主要方法:

  • 基于银的混合热电材料 (N-CHM) Ag2I3.3 的合成和表征.
  • 测量光热电性质,包括UV-NIR光谱中的极化和电压响应.
  • 通过火电效应对平面内双折光调节的评估.

主要成果:

  • 该材料 (N-CHM) Ag2I3 具有强烈的室温光热电性,极化度高 (~3.23 μC/cm2) 和电压响应度高 (~0.96 m2/C).
  • 证明了在高和值 (~1.68×10-2) 的平面内双折射的成功光调制.
  • 该材料无,解决了光电子产品中的环境问题.

结论:

  • 在 (N-CHM) Ag2I3 中广泛的光电效应为光控制的双折射提供了一个可行的策略.
  • 这种无材料显示出开发下一代智能光学和光电子设备的潜力.