Issue 27, 2021

Utilizing the coffee-ring effect to synthesize tin tetraiodide intercalated fullerene (C60) microcrystals by evaporative-driven self-assembly with enhanced photoluminescence

Abstract

Exodo-metallofullerene microcrystals of SnI4 intercalated C60 architectures were fabricated by utilizing the “coffee-ring” effect during a simple drop-drying process, which self-assemble into SnI4–fullerene hybrid structures on a pinned circle brink, due to capillary flow and concentrating both reagents. Nanoscopic and associated EDX imaging analysis revealed the homogeneity of the distribution of SnI4 within fullerene crystals which exhibit tetrahedral C60(SnI4)2 structures, confirmed by a subsequent XRD survey. The primary impetus for this spontaneous self-assembly is van der Waals interaction between iodide and fullerene, allowing the generalization of this protocol in constituting a variety of metal-centered iodo–fullerene composites. Relative to endo-metallofullerene structures, these exodo-metallofullerene complex networks exhibit many compelling characteristics, such as cost-effective and equipment-free preparation, scalable manufacture and considerably high production yield. This method represents an alternative route for constituting functional metal-fullerene hybrids.

Graphical abstract: Utilizing the coffee-ring effect to synthesize tin tetraiodide intercalated fullerene (C60) microcrystals by evaporative-driven self-assembly with enhanced photoluminescence

Supplementary files

Article information

Article type
Paper
Submitted
23 Dec 2020
Accepted
09 Jun 2021
First published
09 Jun 2021

New J. Chem., 2021,45, 11992-11998

Utilizing the coffee-ring effect to synthesize tin tetraiodide intercalated fullerene (C60) microcrystals by evaporative-driven self-assembly with enhanced photoluminescence

Y. Pan, H. Yi and B. Nie, New J. Chem., 2021, 45, 11992 DOI: 10.1039/D0NJ06198K

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