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Updated: Aug 27, 2025

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使用二烯光开关的PbS半导体纳米晶体的可光切换NIR光发光

Lili Hou1, Rasmus Ringström1, Andrew B Maurer1

  • 1Department of Chemistry and Chemical Engineering, Chalmers University of Technology, Gothenburg 41296, Sweden.

Journal of the American Chemical Society
|September 23, 2022
PubMed
概括

研究人员使用半导体纳米晶体和光开关开发了一种用于控制近红外光发光 (PL) 的新系统. 这一突破使得PL的可逆开/关功能成为先进材料和生物应用的关键.

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相关概念视频

Photoluminescence: Fluorescence and Phosphorescence01:23

Photoluminescence: Fluorescence and Phosphorescence

Photoluminescence is a process where a molecule absorbs light energy and re-emits it in the form of light. This phenomenon occurs when a substance absorbs photons, promoting its electrons to higher energy level excited states, followed by a relaxation process in which the electrons return to their original ground state energy levels and emit light. Photoluminescence is widely observed in various materials, including semiconductors, and organic and inorganic compounds.
A pair of electrons in a...
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