Concepedia

Polymorphism of Ag<sub>29</sub>(BDT)<sub>12</sub>(TPP)<sub>4</sub><sup>3−</sup> cluster: interactions of secondary ligands and their effect on solid state luminescence

Abhijit Nag, Papri Chakraborty, Mohammad Bodiuzzaman, Tripti Ahuja, Sudhadevi Antharjanam, Thalappil Pradeep

Nanoscale · 2018 · 84 citations · 27 references

DOI

Concepts

Abstract

We present the first example of polymorphism (cubic & trigonal) in single crystals of an atomically precise monolayer protected cluster, Ag29(BDT)12(TPP)43-. We demonstrate that C-Hπ interactions of the secondary ligands (TPP) are dominant in a cubic lattice compared to a trigonal lattice, resulting in a greater rigidity of the structure, which in turn, results in a higher luminescence efficiency in it.

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