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Photoluminescence: Applications01:14

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Photoluminescence offers a wide range of applications due to its inherent sensitivity and selectivity. This technique allows for both direct and indirect analyses of the analyte. Direct quantitative analysis is possible when the analyte exhibits a favorable quantum yield for fluorescence or phosphorescence. However, an indirect analysis may be feasible if the analyte is not fluorescent or phosphorescent, or if the quantum yield is unfavorable. Indirect methods include reacting the analyte with...
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Supramolecular Multivalent Synergy Enabling Harsh-Condition Phosphorescence.

Min Qi1,2, Martina Plank1,3, Guangqiang Yin1,2

  • 1State Key Laboratory of Advanced Marine Materials, Zhejiang Key Laboratory of Extreme-environmental Material Surfaces and Interfaces, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, P. R. China.

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Researchers developed new organic harsh-condition phosphorescence (HCP) materials by stabilizing triplet excitons using supramolecular multivalent synergy. These robust materials maintain phosphorescence even under challenging environmental conditions.

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harsh‐condition phosphorescencemultivalent interactionsmulti‐environment utilitiesorganic phosphorescence materialsrobust emission

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Area of Science:

  • Materials Science
  • Photophysics
  • Organic Chemistry

Background:

  • Organic phosphorescence relies on triplet excitons, but these are unstable and prone to quenching by heat, oxygen, and solvents.
  • This instability limits the operational stability and durability of organic phosphorescent materials (OPMs).

Purpose of the Study:

  • To review recent advances in organic harsh-condition phosphorescence (HCP) materials.
  • To explore design strategies, properties, stabilization mechanisms, and applications of HCP materials.
  • To establish design principles for HCP materials through supramolecular multivalent synergy.

Main Methods:

  • Systematic review of recent literature on HCP materials.
  • Analysis of supramolecular multivalent synergy for triplet exciton stabilization.
  • Discussion of design, construction, and characterization of HCP materials.

Main Results:

  • Supramolecular multivalent synergy effectively stabilizes triplet excitons, enabling sustained phosphorescence under harsh conditions.
  • Development of robust HCP materials with enhanced stability and durability.
  • Identification of design principles for creating HCP materials.

Conclusions:

  • HCP materials offer a promising solution for overcoming the instability of OPMs.
  • Supramolecular strategies are key to achieving sustained phosphorescence in challenging environments.
  • Further research into HCP materials can unlock new practical applications.