XPS study of sulfur and phosphorus compounds with different oxidation states

Kim Shyong Siow, Leanne Britcher, Sunil Kumar, Hans J. Griesser

Research output: Contribution to journalArticle

Abstract

In this report, we demonstrate that continuous improvement in XPS instruments and the calibration standards as well as analysis with standard component-fitting procedures can be used to determine the binding energies of compounds containing phosphorus and sulfur of different oxidation states with higher confidence. Based on such improved XPS analyses, the binding energies (BEs) of S2p signals for sulfur of increasing oxidation state are determined to be 166-167.5 eV for S=O in dimethyl sulfoxide, 168.1 eV for S=O2 in polysulfone, 168.4 eV for SO3 in polystyrene sulfonate and 168.8 eV for SO4 in chondroitin sulfate. The BEs of P2p signals show the following values: 132.9 eV for PO3 in triisopropyl phosphite, 133.3 eV for PO4 in glycerol phosphate, 133.5 eV for PO4 in sodium tripolyphosphate and 134.0 eV for PO4 in sodium hexametaphosphate. These results showed that there are only small increases in the binding energy when additional oxygen atoms are added to the S-O chemical group. A similar result is obtained when the fourth oxygen or poly-phosphate environment is added to the phosphorus compound. These BE values are useful to researchers involved in identifying oxidation states of phosphorus and sulfur atoms commonly observed on modified surfaces and interfaces found in applications such as biomaterials, super-capacitors and catalysis.

Original languageEnglish
Pages (from-to)1913-1922
Number of pages10
JournalSains Malaysiana
Volume47
Issue number8
DOIs
Publication statusPublished - 1 Aug 2018

Fingerprint

Phosphorus Compounds
Sulfur Compounds
Binding energy
X ray photoelectron spectroscopy
Oxidation
Sulfur
Phosphorus
Phosphates
Oxygen
Atoms
Chondroitin Sulfates
Biocompatible Materials
Dimethyl Sulfoxide
Glycerol
Catalysis
Capacitors
Calibration

Keywords

  • Binding energies
  • Oxidation state
  • Phosphorus
  • Sulfur
  • XPS

ASJC Scopus subject areas

  • General

Cite this

XPS study of sulfur and phosphorus compounds with different oxidation states. / Siow, Kim Shyong; Britcher, Leanne; Kumar, Sunil; Griesser, Hans J.

In: Sains Malaysiana, Vol. 47, No. 8, 01.08.2018, p. 1913-1922.

Research output: Contribution to journalArticle

Siow, Kim Shyong ; Britcher, Leanne ; Kumar, Sunil ; Griesser, Hans J. / XPS study of sulfur and phosphorus compounds with different oxidation states. In: Sains Malaysiana. 2018 ; Vol. 47, No. 8. pp. 1913-1922.
@article{03a5097966c04218aa285022279f95ae,
title = "XPS study of sulfur and phosphorus compounds with different oxidation states",
abstract = "In this report, we demonstrate that continuous improvement in XPS instruments and the calibration standards as well as analysis with standard component-fitting procedures can be used to determine the binding energies of compounds containing phosphorus and sulfur of different oxidation states with higher confidence. Based on such improved XPS analyses, the binding energies (BEs) of S2p signals for sulfur of increasing oxidation state are determined to be 166-167.5 eV for S=O in dimethyl sulfoxide, 168.1 eV for S=O2 in polysulfone, 168.4 eV for SO3 in polystyrene sulfonate and 168.8 eV for SO4 in chondroitin sulfate. The BEs of P2p signals show the following values: 132.9 eV for PO3 in triisopropyl phosphite, 133.3 eV for PO4 in glycerol phosphate, 133.5 eV for PO4 in sodium tripolyphosphate and 134.0 eV for PO4 in sodium hexametaphosphate. These results showed that there are only small increases in the binding energy when additional oxygen atoms are added to the S-O chemical group. A similar result is obtained when the fourth oxygen or poly-phosphate environment is added to the phosphorus compound. These BE values are useful to researchers involved in identifying oxidation states of phosphorus and sulfur atoms commonly observed on modified surfaces and interfaces found in applications such as biomaterials, super-capacitors and catalysis.",
keywords = "Binding energies, Oxidation state, Phosphorus, Sulfur, XPS",
author = "Siow, {Kim Shyong} and Leanne Britcher and Sunil Kumar and Griesser, {Hans J.}",
year = "2018",
month = "8",
day = "1",
doi = "10.17576/jsm-2018-4708-33",
language = "English",
volume = "47",
pages = "1913--1922",
journal = "Sains Malaysiana",
issn = "0126-6039",
publisher = "Penerbit Universiti Kebangsaan Malaysia",
number = "8",

}

TY - JOUR

T1 - XPS study of sulfur and phosphorus compounds with different oxidation states

AU - Siow, Kim Shyong

AU - Britcher, Leanne

AU - Kumar, Sunil

AU - Griesser, Hans J.

PY - 2018/8/1

Y1 - 2018/8/1

N2 - In this report, we demonstrate that continuous improvement in XPS instruments and the calibration standards as well as analysis with standard component-fitting procedures can be used to determine the binding energies of compounds containing phosphorus and sulfur of different oxidation states with higher confidence. Based on such improved XPS analyses, the binding energies (BEs) of S2p signals for sulfur of increasing oxidation state are determined to be 166-167.5 eV for S=O in dimethyl sulfoxide, 168.1 eV for S=O2 in polysulfone, 168.4 eV for SO3 in polystyrene sulfonate and 168.8 eV for SO4 in chondroitin sulfate. The BEs of P2p signals show the following values: 132.9 eV for PO3 in triisopropyl phosphite, 133.3 eV for PO4 in glycerol phosphate, 133.5 eV for PO4 in sodium tripolyphosphate and 134.0 eV for PO4 in sodium hexametaphosphate. These results showed that there are only small increases in the binding energy when additional oxygen atoms are added to the S-O chemical group. A similar result is obtained when the fourth oxygen or poly-phosphate environment is added to the phosphorus compound. These BE values are useful to researchers involved in identifying oxidation states of phosphorus and sulfur atoms commonly observed on modified surfaces and interfaces found in applications such as biomaterials, super-capacitors and catalysis.

AB - In this report, we demonstrate that continuous improvement in XPS instruments and the calibration standards as well as analysis with standard component-fitting procedures can be used to determine the binding energies of compounds containing phosphorus and sulfur of different oxidation states with higher confidence. Based on such improved XPS analyses, the binding energies (BEs) of S2p signals for sulfur of increasing oxidation state are determined to be 166-167.5 eV for S=O in dimethyl sulfoxide, 168.1 eV for S=O2 in polysulfone, 168.4 eV for SO3 in polystyrene sulfonate and 168.8 eV for SO4 in chondroitin sulfate. The BEs of P2p signals show the following values: 132.9 eV for PO3 in triisopropyl phosphite, 133.3 eV for PO4 in glycerol phosphate, 133.5 eV for PO4 in sodium tripolyphosphate and 134.0 eV for PO4 in sodium hexametaphosphate. These results showed that there are only small increases in the binding energy when additional oxygen atoms are added to the S-O chemical group. A similar result is obtained when the fourth oxygen or poly-phosphate environment is added to the phosphorus compound. These BE values are useful to researchers involved in identifying oxidation states of phosphorus and sulfur atoms commonly observed on modified surfaces and interfaces found in applications such as biomaterials, super-capacitors and catalysis.

KW - Binding energies

KW - Oxidation state

KW - Phosphorus

KW - Sulfur

KW - XPS

UR - http://www.scopus.com/inward/record.url?scp=85053633848&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85053633848&partnerID=8YFLogxK

U2 - 10.17576/jsm-2018-4708-33

DO - 10.17576/jsm-2018-4708-33

M3 - Article

VL - 47

SP - 1913

EP - 1922

JO - Sains Malaysiana

JF - Sains Malaysiana

SN - 0126-6039

IS - 8

ER -