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Photoactive carbon monoxide-releasing coordination polymer particles.

Arnau Carné-Sánchez1,2, Shuya Ikemura1,3, Reiko Sakaguchi1

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Researchers synthesized photoactive coordination polymer particles that release carbon monoxide. Using manganese(I) carbonyl complexes prevents self-quenching, enabling solid-state applications for these novel materials.

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Area of Science:

  • Materials Science
  • Coordination Chemistry
  • Photochemistry

Background:

  • Coordination polymers offer tunable properties for various applications.
  • Photoactive materials that release therapeutic gases are of significant interest.
  • Aggregation-induced self-quenching can limit the effectiveness of photoactive solid-state materials.

Purpose of the Study:

  • To synthesize novel photoactive carbon monoxide-releasing coordination polymer particles.
  • To investigate the use of manganese(I) carbonyl complexes in coordination polymer synthesis.
  • To overcome limitations associated with aggregation-induced self-quenching in solid-state photoactive materials.

Main Methods:

  • Assembly of manganese(I) carbonyl complexes with bis(imidazole) ligands.
  • Characterization of the resulting coordination polymer particles.
  • Evaluation of photoactivity and carbon monoxide release properties.

Main Results:

  • Successful synthesis of photoactive coordination polymer particles.
  • Demonstration of carbon monoxide release upon photoactivation.
  • Manganese(I) carbonyl complexes effectively prevented aggregation-induced self-quenching.
  • The coordination polymers are suitable for solid-state applications.

Conclusions:

  • Photoactive carbon monoxide-releasing coordination polymers were successfully synthesized.
  • The use of manganese(I) carbonyl complexes is advantageous for solid-state applications by preventing self-quenching.
  • These materials hold promise for applications requiring controlled release of carbon monoxide in the solid state.