Abstract
After 10 4 h of continuous aqueous electrolysis with K 2CO 3 as the electrolyte, highly stable novel inorganic hydride compounds such as KH KHCO 3 and KH were isolated and identified by time of flight secondary ion mass spectroscopy (ToF-SIMS). The existence of novel hydride ions was determined using X-ray photoelectron spectroscopy (XPS) and solid state magic-angle spinning proton nuclear magnetic resonance spectroscopy ( 1H MAS NMR). A novel hydride ion formed by plasma electrolysis of a K 2CO 3, Rb 2CO 3, or Cs 2CO 3 electrolyte was also observed by high resolution visible spectroscopy at 407.0 nm corresponding to its predicted binding energy of 3.05 eV.
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