Oxidative desulfurization by oxygen using amphiphilic quaternary ammonium
peroxovanadium polyoxometalates
Meilin Tao a, Hongwei Zhenga, Junyou Shic, Shengtian Wang a, Xiaohong Wanga,*, Guohui
Huangb,*
a
Key Lab of Polyoxometalate Science of Ministry of Education, Faculty of Chemistry, Northeast
Normal University, Changchun 130024, P. R. China
b
School of Biology, Northeast Normal University, Changchun 130024, P. R. China
c
Wood Material Science and Engineering Key laboratory of Jilin Province, Beihua University,
Jilin, 132013, P. R. China
Fig. S1. FTIR spectra of different catalysts.
(a) C8PMo10V2(O2)2, (b) C12PMo10V2(O2)2, (c) C16PMo10V2(O2)2, and (d)
C18PMo10V2(O2)2
(A)
(B)
Fig. S2 X-ray powder diffraction of
(A) H5PMo10V2O40 (a, JCPDS no. 84-0234) and C16PMo10V2(O2)2 before (b) and after (c) the
oxidation.
(B) A family of catalysts Q+[PMo10V2(O2)2] with different quaternary ammonium cations
(a) (C18H37)N+(CH3)3, (b)(C16H33)N+(CH3)3, (c) (C12H25)N+(CH3)3, and (d) (C8H17)N+(CH3)3
3505.7
3640.3.
3670.8
Intens. [a.u.]
3000
4000
3500
4500
M/Z
Fig. S3. Positive-ion MALDI-TOF mass spectrum of C16PMo10V2(O2)2
-5.44
-4.63
（b）
（a）
δ (ppm)
δ (ppm)
Fig. S4. The 31P MAS NMR spectra of H5PMo10V2O40 (a) and C16PMo10V2(O2)2 (b).
Fig. S5 Survey XPS patterns before and after the reaction (a) and the O 1s XPS (b) of
[C16H33N(CH3)3]5[PMo10V2O38(O2)2] catalyst
Fig. S6 The EDAX spectrum of [C16H33N(CH3)3]5PMo10V2O38(O2)2
Fig. S7 Sulfur specific GC-FID chromatograms for the oxidation of DBT with O2 in decalin.
Fig. S8 The conversion of DBT vs. substrate’s concentrations with the O2 flowing rate 0.04 m3/h,
the catalyst 0.06mmol at 70 °C
Fig. S9. Uv-Vis spectrum of C16PMo10V2(O2)2 dissolved in decalin.
Table S1 The elementary analysis of the compounds
Elementary results (calculated values in parenthesis)/wt%
Catalyst
H
P
V
Mo
C8PMo10V2(O2)2
1.89(1.97)
2.30(2.33)
7.77(7.67)
72.12(72.21)
C12PMo10V2(O2)2
2.44(2.47)
2.13(2.24)
7.45(7.36)
69.11(69.29)
C16PMo10V2(O2)2
2.88(2.94)
2.07(2.15)
7.15(7.07)
66.70(66.59)
C18PMo10V2(O2)2
3.22(3.16)
2.20(2.11)
6.84(6.94)
65.33(65.32)