link.springer.com10.1007/s10967... · Web view3Department of Physics, Bose Institute, 93/1, Acharya...
6
Enhanced Anion Sensing by γ-Irradiated Polyphenol Capped Iron oxide Nanoparticles Zarina Ansari 1 , Kangkana Sarkar 1 , Abhijit Saha 2 , Achintya Singha 3 and Kamalika Sen 1* 1 Department of Chemistry, University of Calcutta, 92, APC Road, Kolkata 700009, India 2 UGC-DAE Consortium for Scientific Research, Kolkata Centre, III/LB-8, Bidhannagar, Kolkata 700098, India 3 Department of Physics, Bose Institute, 93/1, Acharya Prafulla Chandra Road, Kolkata 700009, India email: [email protected] 0 1 2 3 4 5 6 7 8 9 0 0.5 1 1.5 2 2.5 f(x) = 0.2410217207053 x + 0.529734100011634 R² = 0.990447833219228 1/[M], mM-1 1/ I-I0 Figure S1: Benesi Hildebrand plot for the Fe(III) PNS polyphenol complexation at 320 nm (λ max )
Transcript of link.springer.com10.1007/s10967... · Web view3Department of Physics, Bose Institute, 93/1, Acharya...
Enhanced Anion Sensing by -Irradiated Polyphenol Capped Iron oxide
Nanoparticles
Zarina Ansari1, Kangkana Sarkar1, Abhijit Saha2, Achintya Singha3 and Kamalika Sen1*
1Department of Chemistry, University of Calcutta, 92, APC Road, Kolkata 700009, India
2UGC-DAE Consortium for Scientific Research, Kolkata Centre, III/LB-8, Bidhannagar,
Kolkata 700098, India
3Department of Physics, Bose Institute, 93/1, Acharya Prafulla Chandra Road, Kolkata 700009,
India
email: [email protected]
Figure S1: Benesi Hildebrand plot for the Fe(III) PNS polyphenol complexation at 320 nm (max)
Figure S2a: IR spectra of PNS
Figure S2b: IR spectra of ION (set A)
Figure S2c: IR spectra of ION (set B)
Figure S2d: IR spectra of ION (set C)
abc
Figure S3: UV spectra of supernatant of perchlorate treated ION
(a) Non irradiated (b) 15mins irradiated (c) 24hrs irradiated
Figure S4: Spectral sensitivity of nanoparticles obtained from set A, B and C with different concentrations of ClO4-
Figure S5: IR spectrum of
(a) residue of perchlorate treated ION
Figure S5: IR spectrum of
(b) supernatant of perchlorate treated ION
Set A1.0000000000000005E-91.0000000000000005E-81.0000000000000006E-71.0000000000000006E-61.0000000000000003E-51.0000000000000002E-41.0000000000000002E-31.0000000000000002E-20.11105.8938000000000004E-20.387030000000000150.70000000000000007Set B1.0000000000000005E-91.0000000000000005E-81.0000000000000006E-71.0000000000000006E-61.0000000000000003E-51.0000000000000002E-41.0000000000000002E-31.0000000000000002E-20.11100.102900000000000020.159950000000000040.198259999999999990.37415000000000004Set C1.0000000000000005E-91.0000000000000005E-81.0000000000000006E-71.0000000000000006E-61.0000000000000003E-51.0000000000000002E-41.0000000000000002E-31.0000000000000002E-20.11100.312360000000000140.344010000000000040.38570000000000010.379120000000000070.301350000000000060.238700000000000020.271010000000000030.520440000000000010.745670000000000171.2112999999999998
[ClO4-], M
Absorbance
3.84999999999999884.349999999999999656.257.68999999999999951.441.621.69000000000000112.06999999999999982.3699999999999997
1/[M], mM-1
1/ I-I0
4000.0
3600
3200
2800
2400
2000
1800
1600
1400
1200
1000
800
600
400.0
34.7
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54.0
cm-1
%T
3775.89
3399.42
2923.04
1618.39
1436.15
1383.61
1282.53
1162.35
1115.76
1063.92
773.76
641.98
4000.03600320028002400200018001600140012001000800600400.0
34.7
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54.0
cm-1
%T
3775.89
3399.42
2923.04
1618.39
1436.15
1383.61
1282.53
1162.35
1115.76
1063.92
773.76
641.98
300320340360380400
0.0
0.2
0.4
Absorbance
Wavelength, nm
only perchlorate
100mM perchlorate
1000mM perchlorate
280 300 320 340
0.0
0.5
Absorbance
Wavelength, nm
only perchlorate
1mM perchlorate
10mM perchlorate
100mM perchlorate
1000mM perchlorate
280 300 320 340
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
Absorbance
Wavelength, nm
only perchlorate
0.1mM perchlorate
1mM perchlorate
10 mM perchlorate
100 mM perchlorate
1000 mM perchlorate
4000.0
3600
3200
2800
2400
2000
1800
1600
1400
1200
1000
800
600
400.0
-2.5
0
5
10
15
20
25
30
35
40
45.9
cm-1
%T
3398.61
2025.70
1622.80
1140.94
1109.45
1087.86
940.63
685.22
679.92
636.53
626.23
590.43
571.99
4000.03600320028002400200018001600140012001000800600400.0
-2.5
0
5
10
15
20
25
30
35
40
45.9
cm-1
%T
3398.61
2025.70
1622.80
1140.94
1109.45
1087.86
940.63
685.22
679.92
636.53
626.23
590.43
571.99
4000.0
3600
3200
2800
2400
2000
1800
1600
1400
1200
1000
800
600
400.0
48.8
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
69.8
cm-1
%T
3409.48
2905.93
1642.09
1144.19
1111.90
1087.99
669.51
636.06
625.53
613.18
602.57
595.97
4000.03600320028002400200018001600140012001000800600400.0
48.8
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
69.8
cm-1
%T
3409.48
2905.93
1642.09
1144.19
1111.90
1087.99
669.51
636.06
625.53
613.18
602.57
595.97
4000.0
3600
3200
2800
2400
2000
1800
1600
1400
1200
1000
800
600
400.0
34.3
36
38
40
42
44
46
48
50
52
54
56
57.2
cm-1
%T
3378.99
2923.18
1614.76
1524.14
1445.78
1384.50
1283.81
1202.77
1114.84
1064.12
872.68
817.79
772.55
608.05
2852.45
1789.52
4000.03600320028002400200018001600140012001000800600400.0
34.3
36
38
40
42
44
46
48
50
52
54
56
57.2
cm-1
%T
3378.99
2923.18
1614.76
1524.14
1445.78
1384.50
1283.81
1202.77
1114.84
1064.12
872.68
817.79
772.55
608.05
2852.45
1789.52
4000.0
3600
3200
2800
2400
2000
1800
1600
1400
1200
1000
800
600
400.0
49.32
49.5
50.0
50.5
51.0
51.5
52.0
52.5
53.0
53.5
54.0
54.5
55.0
55.5
56.0
56.29
cm-1
%T
3350.80
2917.28
1634.34
1434.59
1380.61
1161.99
1108.92
1059.76
813.48
759.61
670.18
634.82
580.30
537.16
1699.61
4000.03600320028002400200018001600140012001000800600400.0
49.32
49.5
50.0
50.5
51.0
51.5
52.0
52.5
53.0
53.5
54.0
54.5
55.0
55.5
56.0
56.29
cm-1
%T
3350.80
2917.28
1634.341434.59
1380.61
1161.99
1108.92
1059.76
813.48
759.61
670.18
634.82
580.30
537.16
1699.61
4000.0
3600
3200
2800
2400
2000
1800
1600
1400
1200
1000
800
600
400.0
38.9
40
41
42
43
44
45
46
47
48
49
50
51
52
53.3
cm-1
%T
3349.07
2922.81
1616.98
1519.17
1439.06
1381.73
1282.53
1109.16
816.15
760.55
594.23
4000.03600320028002400200018001600140012001000800600400.0
38.9
40
41
42
43
44
45
46
47
48
49
50
51
52
53.3
cm-1
%T
3349.07
2922.81
1616.98
1519.17
1439.06
1381.73
1282.53
1109.16
816.15
760.55594.23
