Controlled Assemblies of Multistacked 2Catenanes with Azo-Conjugated Branched Chain for Enhanced Photothermal Conversion

Key Points

• The research aims to enhance the photothermal conversion efficiency of multistacked [2]catenanes with azo-conjugated branched chains.
• Controlled assembly of multistacked [2]catenanes was conducted.
• Photothermal conversion efficiency was measured with values ranging from 73.8% to 75.6%.
• Electron paramagnetic resonance measurements were utilized to analyze organic radicals.
• Photothermal conversion efficiency achieved was between 73.8% to 75.6%.
• EPR measurements indicated significant contributions from photogenerated organic radicals to efficiency.
• Findings suggest new strategies for designing effective photothermal materials.