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Updated: May 8, 2026

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多发射氧化石墨烯量子点具有显著的pH响应的长波长发射

Indrani Chakraborti1, Udayan Basak2, Subhadip Roy3

  • 1Department of Chemistry, Presidency University, 86/1 College Street, Kolkata 700073, India. dhruba.chem@presiuniv.ac.in.

Nanoscale
|May 19, 2025
PubMed
概括

石墨烯氧化物量子点 (GOQD) 显示基于pH值的可调光辐射. 这些GOQD可以用来为LED制造稳定的白色发光膜.

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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...