Thorium amidates function as single-source molecular precursors for thorium dioxide | Zendy

Mark D. Straub | Zendy; Erik T. Ouellette | Zendy; Michael A. Boreen | Zendy; Jacob A. Branson | Zendy; Alexander S. Ditter | Zendy; A. L. D. Kilcoyne | Zendy; Trevor D. Lohrey | Zendy; Matthew A. Marcus | Zendy; Maria V. Paley | Zendy; José Ramírez | Zendy; David K. Shuh | Zendy; Stefan G. Minasian | Zendy; John Arnold | Zendy

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Thorium amidates function as single-source molecular precursors for thorium dioxide

Author(s) -

Mark D. Straub,

Erik T. Ouellette,

Michael A. Boreen,

Jacob A. Branson,

Alexander S. Ditter,

A. L. D. Kilcoyne,

Trevor D. Lohrey,

Matthew A. Marcus,

Maria V. Paley,

José Ramírez,

David K. Shuh,

Stefan G. Minasian,

John Arnold

Publication year - 2021

Publication title -

chemical communications

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.837

H-Index - 333

eISSN - 1364-548X

pISSN - 1359-7345

DOI - 10.1039/d1cc00867f

Subject(s) - thorium , thorium dioxide , chemistry , radiochemistry , oxygen , ligand (biochemistry) , function (biology) , nuclear chemistry , materials science , organic chemistry , uranium , metallurgy , biochemistry , receptor , evolutionary biology , biology

We report the synthesis of four homoleptic thorium(iv) amidate complexes as single-source molecular precursors for thorium dioxide. Each can be sublimed at atmospheric pressure, with the substituents on the amidate ligands significantly impacting their volatility and thermal stability. These complexes decompose via alkene elimination to give ThO2 without need for a secondary oxygen source. ThO2 samples formed from pyrolysis of C-alkyl amidates were found to have higher purity and crystallinity than ThO2 samples formed from C-aryl amidates.

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