Utilizing dendritic scaffold for feasible formation of naphthalene excimer

Journal of Chemical Sciences

Edamana Prasad1¹  P K Lekha¹  Tufan Ghosh¹ 

[1] Department of Chemistry, Indian Institute of Technology Madras, Chennai 600036, India$$

关键词: PAMAM dendrimer;    dendrimer aggregation;    static excimer;    naphthalene excimer.;   

DOI  :  

来源: Indian Academy of Sciences

【 摘 要 】

Peripheral functionalization of PAMAM dendrimers with naphthalene units leads to significant ground state aggregation in the system above the critical aggregation concentrations (CAC). Upon photoexcitation of the ground state aggregates, static type excimer formation of naphthalene moiety is observed. Significant red-shifted emission from naphthalene excimers is achieved through generating the static type excimers in polar solvents such as methanol and acetonitrile-water mixtures. Control experiments suggest that the presence of dendritic scaffold in the system play a pivotal role in generating intense static excimer emission in naphthalene modified PAMAM dendrimers, in solution phase at room temperature.

【 授权许可】

Unknown