Rationalization of the X-ray photoelectron spectroscopy of aluminium phosphates synthesized from different precursors

Victoria Bemmer; Michael Bowker; James H. Carter; Philip R. Davies; Lee E. Edwards; Kenneth D.M. Harris; Colan E. Hughes; Fiona Robinson; David J. Morgan; Matthew G. Thomas

doi:10.1039/c9ra08738a

Rationalization of the X-ray photoelectron spectroscopy of aluminium phosphates synthesized from different precursors

Victoria Bemmer, Michael Bowker, James H. Carter, Philip R. Davies^*, Lee E. Edwards, Kenneth D.M. Harris, Colan E. Hughes, Fiona Robinson, David J. Morgan, Matthew G. Thomas

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The aim of this paper is to clarify the assignments of X-ray photoelectron spectra of aluminium phosphate materials prepared from the reaction of phosphoric acid with three different aluminium precursors [Al(OH)₃, Al(NO₃)₃ and AlCl₃] at different annealing temperatures. The materials prepared have been studied by X-ray photoelectron spectroscopy (XPS), powder X-ray diffraction (XRD), infrared spectroscopy and high-resolution solid-state ³¹P NMR spectroscopy. A progressive polymerization from orthophosphate to metaphosphates is observed by XRD, ATR-FTIR and solid state ³¹P NMR, and on this basis the oxygen states observed in the XP spectra at 532.3 eV and 533.7 eV are assigned to P-O-Al and P-O-P environments, respectively. The presence of cyclic polyphosphates at the surface of the samples is also evident.

Iaith wreiddiol	Saesneg
Tudalennau (o-i)	8444-8452
Nifer y tudalennau	9
Cyfnodolyn	RSC Advances
Cyfrol	10
Rhif cyhoeddi	14
Dynodwyr Gwrthrych Digidol (DOIs)	https://doi.org/10.1039/c9ra08738a
Statws	Cyhoeddwyd - 26 Chwef 2020
Cyhoeddwyd yn allanol	Ie

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10.1039/c9ra08738aTrwydded: CC BY

RSC paper FRFersiwn derfynol wedi’i chyhoeddi, 1.42 MBTrwydded: CC BY

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@article{0249cd0a0406496f85ea089047946cf3,

title = "Rationalization of the X-ray photoelectron spectroscopy of aluminium phosphates synthesized from different precursors",

abstract = "The aim of this paper is to clarify the assignments of X-ray photoelectron spectra of aluminium phosphate materials prepared from the reaction of phosphoric acid with three different aluminium precursors [Al(OH)3, Al(NO3)3 and AlCl3] at different annealing temperatures. The materials prepared have been studied by X-ray photoelectron spectroscopy (XPS), powder X-ray diffraction (XRD), infrared spectroscopy and high-resolution solid-state 31P NMR spectroscopy. A progressive polymerization from orthophosphate to metaphosphates is observed by XRD, ATR-FTIR and solid state 31P NMR, and on this basis the oxygen states observed in the XP spectra at 532.3 eV and 533.7 eV are assigned to P-O-Al and P-O-P environments, respectively. The presence of cyclic polyphosphates at the surface of the samples is also evident.",

author = "Victoria Bemmer and Michael Bowker and Carter, {James H.} and Davies, {Philip R.} and Edwards, {Lee E.} and Harris, {Kenneth D.M.} and Hughes, {Colan E.} and Fiona Robinson and Morgan, {David J.} and Thomas, {Matthew G.}",

year = "2020",

month = feb,

day = "26",

doi = "10.1039/c9ra08738a",

language = "English",

volume = "10",

pages = "8444--8452",

journal = "RSC Advances",

issn = "2046-2069",

publisher = "Royal Society of Chemistry",

number = "14",

}

TY - JOUR

T1 - Rationalization of the X-ray photoelectron spectroscopy of aluminium phosphates synthesized from different precursors

AU - Bemmer, Victoria

AU - Bowker, Michael

AU - Carter, James H.

AU - Davies, Philip R.

AU - Edwards, Lee E.

AU - Harris, Kenneth D.M.

AU - Hughes, Colan E.

AU - Robinson, Fiona

AU - Morgan, David J.

AU - Thomas, Matthew G.

PY - 2020/2/26

Y1 - 2020/2/26

N2 - The aim of this paper is to clarify the assignments of X-ray photoelectron spectra of aluminium phosphate materials prepared from the reaction of phosphoric acid with three different aluminium precursors [Al(OH)3, Al(NO3)3 and AlCl3] at different annealing temperatures. The materials prepared have been studied by X-ray photoelectron spectroscopy (XPS), powder X-ray diffraction (XRD), infrared spectroscopy and high-resolution solid-state 31P NMR spectroscopy. A progressive polymerization from orthophosphate to metaphosphates is observed by XRD, ATR-FTIR and solid state 31P NMR, and on this basis the oxygen states observed in the XP spectra at 532.3 eV and 533.7 eV are assigned to P-O-Al and P-O-P environments, respectively. The presence of cyclic polyphosphates at the surface of the samples is also evident.

AB - The aim of this paper is to clarify the assignments of X-ray photoelectron spectra of aluminium phosphate materials prepared from the reaction of phosphoric acid with three different aluminium precursors [Al(OH)3, Al(NO3)3 and AlCl3] at different annealing temperatures. The materials prepared have been studied by X-ray photoelectron spectroscopy (XPS), powder X-ray diffraction (XRD), infrared spectroscopy and high-resolution solid-state 31P NMR spectroscopy. A progressive polymerization from orthophosphate to metaphosphates is observed by XRD, ATR-FTIR and solid state 31P NMR, and on this basis the oxygen states observed in the XP spectra at 532.3 eV and 533.7 eV are assigned to P-O-Al and P-O-P environments, respectively. The presence of cyclic polyphosphates at the surface of the samples is also evident.

U2 - 10.1039/c9ra08738a

DO - 10.1039/c9ra08738a

M3 - Article

AN - SCOPUS:85081138781

VL - 10

SP - 8444

EP - 8452

JO - RSC Advances

JF - RSC Advances

SN - 2046-2069

IS - 14

ER -

Rationalization of the X-ray photoelectron spectroscopy of aluminium phosphates synthesized from different precursors

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