Study on sublimation of solid electrolyte (AgI) 0.5‐ (AgPO 3 ) 0.5  with Knudsen effusion mass spectrometry | Zendy

Bardi Ugo | Zendy; Caporali Stefano | Zendy; Tolstogouzov Alexander | Zendy

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Study on sublimation of solid electrolyte (AgI) 0.5‐ (AgPO 3 ) 0.5 with Knudsen effusion mass spectrometry

Author(s) -

Bardi Ugo,

Caporali Stefano,

Tolstogouzov Alexander

Publication year - 2009

Publication title -

rapid communications in mass spectrometry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.528

H-Index - 136

eISSN - 1097-0231

pISSN - 0951-4198

DOI - 10.1002/rcm.3865

Subject(s) - chemistry , sublimation (psychology) , ion , analytical chemistry (journal) , mass spectrometry , dimer , mass spectrum , iodine , electrolyte , silver iodide , inorganic chemistry , chromatography , psychology , organic chemistry , electrode , layer (electronics) , psychotherapist , silver halide

Knudsen high‐temperature mass spectrometry was used to study the process of sublimation of a solid electrolyte (AgI) 0.5‐ (AgPO 3 ) 0.5 . Monoatomic iodine ions were found to be the dominant species in the electron ionization mass spectra below 600°C. With an increase in temperature, the relative content of phosphorus oxide ions, mainly [PO] + and [P 4 O 10 ] + , increased. Under further heating, we observed silver iodide and iodine dimer ions together with phosphorus dimer and tetramer ions and clusters [IPO 2 ] + , [IP 2 ] + , [I 3 P] + . Using the experimental logarithmic dependencies of ion signal intensities versus the reciprocal absolute temperature of the effusion cell, the apparent sublimation enthalpies Δ s H of the ions giving the most intense signals were estimated. Copyright © 2008 John Wiley & Sons, Ltd.

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