Triarylboryl-functionalized dibenzoylmethane and its phosphorescent platinum(II) complexes

Area of Science:

• Organometallic Chemistry
• Luminescent Materials
• Chemical Sensing

Background:

• Acetylacetonato ligands are versatile in coordination chemistry.
• Platinum(II) complexes are known for their phosphorescent properties.
• Development of selective sensors for anions like fluoride is crucial.

Purpose of the Study:

• To synthesize novel dibenzoylmethane (dbm) ligands functionalized with dimesitylboryl groups.
• To develop phosphorescent N^C-chelate Platinum(II) compounds utilizing these new ligands.
• To evaluate the efficacy of these compounds as turn-on phosphorescent sensors for fluoride ions.

Main Methods:

• Ligand synthesis involving functionalization of dibenzoylmethane with a dimesitylboryl group.
• Preparation of N^C-chelate Platinum(II) complexes.
• Photophysical characterization of the synthesized compounds.
• Testing sensor performance for fluoride ion detection under air.

Main Results:

• Successful synthesis of novel dibenzoylmethane-based ligands.
• Formation of phosphorescent N^C-chelate Pt(II) compounds.
• Demonstration of effective turn-on phosphorescent sensing for fluoride ions.
• Sensor operates effectively under ambient air conditions.

Conclusions:

• The novel dimesitylboryl-functionalized dbm ligand enables the creation of efficient phosphorescent Pt(II) sensors.
• These sensors exhibit a 'turn-on' response specific to fluoride ions.
• The developed sensor system shows promise for practical applications in fluoride detection.