Organometallic oligomer resolved by radial distribution function of X-ray diffraction analysis

The Journal of Physical Chemistry. B
Roberto MatassaRuggero Caminiti

Abstract

Platinum-organic oligomers are actively studied for their large physical and functional properties such as solubility, processability, color, luminescence, and optoelectronics related to the different metal groups and auxiliary coligands around the metal coordination spheres. Previous studies on nanotechnology devices have shown that the structural organization of handled metallopolymer generates several 2D or 3D nano-objects, but only based on trans polymorph chains. Here we report the first self-assembly of powder cis-Pt-DEBP oligomers that shows great self-assembling ability to form nanoscale supramolecular architectures. As a powder is obtained that shows a poor crystalline organization of the aggregates, the energy-dispersive X-ray diffraction is the nondestructive technique of choice to obtain short-range order structural parameters of a single nano-object by radial distribution function analysis. The supramolecular architecture of 8-units-long chains reveals a self-assembling organization of 18 chains exhibiting an overall linear inverted open square structure. The ensemble of oligomer chains form a parallelepiped shape with small internal square cavities of approximately 3.2 nm diameter capable of hosting smaller molecu...Continue Reading

References

Nov 23, 2000·Accounts of Chemical Research·J M Tour
Oct 26, 2001·Nature·J S WilsonR H Friend
Jul 3, 2003·Journal of the American Chemical Society·Hua Jiang, Wenbin Lin
Jul 28, 2004·Dalton Transactions : an International Journal of Inorganic Chemistry·Muhammad S KhanSimon J Teat
Feb 19, 2005·Chemical Communications : Chem Comm·Lin ZhangWenbin Lin
Feb 6, 2007·The Journal of Physical Chemistry. B·Roberto MatassaRuggero Caminiti
Oct 12, 2007·Dalton Transactions : an International Journal of Inorganic Chemistry·Wai-Yeung Wong
Jul 24, 2008·The Journal of Physical Chemistry. a·Chiara BattocchioGiovanni Polzonetti
Dec 5, 2008·Inorganic Chemistry·Daniel FortinPierre D Harvey
Aug 14, 2009·The Journal of Physical Chemistry. a·Rosa VitalianoMaria Vittoria Russo

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