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Updated: Jun 4, 2025

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通过宏观循环策略抑制TADF发射器中的非辐射衰变:一项实验研究

Xin Xie1,2, Teng Gao1,2, Shaogang Shen1,2

  • 1Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China.

Organic letters
|December 24, 2024
PubMed
概括

宏观循环结构显著影响热激活延迟光 (TADF) 分子中的非辐射衰变速率. 一个新的宏环分子 (L环) 显示了较慢的衰变和更高的效率,展示了先进的OLED应用的潜力.

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Tachyphylaxis is described as a rapid decrease in response to a drug after repeated or continuous administration of the same drug dose. It is a phenomenon where the body becomes less responsive to a particular substance or intervention over time, requiring higher doses or stronger interventions to achieve the same effect. It results from adaptive changes in the body's receptors, signaling pathways, or physiological processes that occur in response to prolonged exposure to a stimulus.
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Luminescence, the emission of light by a substance that has absorbed energy, is a process that involves the interaction of molecules with light. The energy-level diagram, or Jablonski diagram, is a graphical representation of these interactions, illustrating the various states and transitions a molecule can undergo. In a typical Jablonski diagram, the lowest horizontal line represents the ground-state energy of the molecule, which is usually a singlet state. This state represents the energies...
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Thermal cycloadditions are reactions where the source of activation energy needed to initiate the reaction is provided in the form of heat. A typical example of a thermally-allowed cycloaddition is the Diels–Alder reaction, which is a [4 + 2] cycloaddition. In contrast, a [2 + 2] cycloaddition is thermally forbidden.
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