Trimethylplatinum(IV) Complexes for MOCVD Applications: A Physicochemical Study

S. I. Dorovskikh; Доровских С. И.; N. V. Kuratieva; Куратьева Н. В.; I. V. Korolkov; Корольков И. В.; T. V. Basova; Басова Т. В.; I. Yu. Ilyin; Ильин И. Ю.

doi:10.31857/S0132344X22600679

Trimethylplatinum(IV) Complexes for MOCVD Applications: A Physicochemical Study

Authors: Dorovskikh S.I.¹, Kuratieva N.V.¹, Korolkov I.V.¹, Basova T.V.¹, Ilyin I.Y.¹
Affiliations:
1. Nikolaev Institute of Inorganic Chemistry, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
Issue: Vol 49, No 8 (2023)
Pages: 493-503
Section: Articles
URL: https://journals.eco-vector.com/0132-344X/article/view/667491
DOI: https://doi.org/10.31857/S0132344X22600679
EDN: https://elibrary.ru/SAOFHU
ID: 667491

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Abstract
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Abstract

The structure of trimethylplatinum(IV) iodide [(CH3)3PtI]4 (I) (CIF file CCDC no. 22330007) is refined. The structure of the synthesized for the first time trimethylplatinum(IV) complex with tridentate N,N,O-iminoketonate [(CH3)3Pt(C9H17N2O)] (II) is determined by X-ray diffraction (XRD) (CIF file CCDC no. 22330008). The purity of the isolated phases is confirmed by elemental analysis and IR and NMR spectroscopy. The thermal behavior of complex II is studied by thermogravimetry. The energies of ionization and fragmentation of the molecules of complex II leading to the formation of the most stable fragment [(CH3)3Pt]+ are estimated by quantum-chemical calculations. Complex II is tested in the MOCVD processes. The Pt films with the pronounced (111) texture and particle sizes about 100 nm are prepared on Si plates in the presence of oxygen.

Keywords

trimethylplatinum(IV) complexes, XRD, thermogravimetry, DFT, MOCVD

References

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