Voltammetry of Nanoparticle Coupled Imine Linkage Based Receptors for Sensing of Al(III)
Voltammetry of nanoparticle coupled imine linkage based receptors for sensing of Al(III) and Co(II) ions
Susheel K Mittal*a, Rashmi Sharmaa, Manisha Sharmaa, Narinder Singhb, Jasminder Singhb, Navneet Kaurc and Manmohan Chhibbera
aSchool of Chemistry & Biochemistry, Thapar University, Patiala 147004, India
bDepartment of Chemistry, Indian Institute of Technology, Ropar (Pb) 140001, India
cDepartment of Nanoscience and Nanotechnology, Panjab University, Chandigarh 160014, India
Table of contents:-
Fig. S1 XRD pattern of zinc oxide nanoparticles
Fig. S2 SEM images of T4 coated with ZnO
Fig. S3 SEM images of T5 coated with ZnO
Fig. S4 SEM image of T6 coated with ZnO
Fig. S5 Differential Pulse Voltammograms of (a) T4 (b) T5 and (c) T6 (5×10-4M) showing the effect
of scan rate in DMSO: H20 (8:2, v/v). Scan rates are (10, 30, 50, 70, 100 mVsec-1), Modulation
amplitude 50mVsec-1
Fig. S6 Differential Pulse Voltammograms of (a) T4 (b) T5 and (c) T6 at different concentrations
(0.5mM to 0.01mM), scan rate 20mV sec-1 and Modulation amplitude 50mVsec-1
Fig. S7 Cyclic voltammograms of T4 (5×10-4M) in different solvents using 0.1M TBAP as
supporting electrolyte (GC working electrode scan rate 20 mVsec-1 E vs Ag/Ag+)
Fig. S8 Cyclic voltammograms of T4 (5×10-4M) in different solvents: H2O (8: 2, v/v) using 0.1M
TBAP as supporting electrolyte (GC working electrode scan rate 20mVsec-1 E vs Ag/Ag+)
Fig. S9 Cyclic voltammograms of (a) T5 (5×10-4M), (b) T6 (5×10-4M) in different solvents using
0.1M TBAP as supporting electrolyte (GC working electrode scan rate 20 mVsec-1 E vs
Ag/Ag+)
Fig. S10 Differential Pulse Voltammograms of T4, T5 and T6 with 0.10µM of different metal ions
(Na+, K+, Ca2+, Co2+,Mg2+, Al3+) in HEPES buffered DMSO/H20 (8:2, v/v) scan rate 20
mVsec-1 E vs Ag/Ag+
Fig. S11 Voltammograms of T4 and T5 (0.30µM) with 0.0-0.42µM of Al3+; T6 (0.30µM) with 0.0-
0.42µM of Co2+ in HEPES buffered DMSO/H20 (8:2, v/v) scan rate 20mVsec-1 E vs Ag/Ag+
Fig. S12 HOMO – LUMO structures of T4, T5, T6 and their metal complexes by using
Gaussian 03W software
Fig. S1 XRD pattern of zinc oxide nanoparticles
Fig. S2 SEM images of T4 coated with ZnO
Fig. S3 SEM images of T5 coated with ZnO Fig. S4 SEM image of T6 coated with ZnO
Fig. S5 Differential Pulse Voltammograms of (a) T4 (b) T5 and (c) T6 (5×10-4M) showing the
effect of scan rate in DMSO: H20 (8:2, v/v). Scan rates are (10, 30, 50, 70, 100 mVsec-1),
Modulation amplitude 50mVsec-1
Fig. S6 Differential Pulse Voltammograms of (a) T4 (b) T5 and (c) T6 at different concentrations
(0.5mM to 0.01mM), scan rate 20mV sec-1 and Modulation amplitude 50mVsec-1
Fig. S7 Cyclic voltammograms of T4 (5×10-4M) in different solvents using 0.1M TBAP as
supporting electrolyte (GC working electrode scan rate 20 mVsec-1 E vs Ag/Ag+)
Fig. S8 Cyclic voltammograms of T4 (5×10-4M) in different solvents: H2O (8: 2, v/v) using 0.1M
TBAP as supporting electrolyte (GC working electrode scan rate 20 mVsec-1 E vs
Ag/Ag+)
Fig. S9 Cyclic voltammograms of (a) T5 (5×10-4M), (b) T6 (5×10-4M) in different solvents using
0.1M TBAP as supporting electrolyte (GC working electrode scan rate 20 mVsec-1 E vs
Ag/Ag+)
Fig. S10 Differential Pulse Voltammograms of (a) T4, (b) T5 and (c) T6 with 0.10µM of different
metal ions (Na+, K+, Ca2+, Co2+,Mg2+, Al3+) in HEPES buffered DMSO/H20 (8:2,
v/v) using 0.1 M TBAP as supporting electrolyte (GC working electrode, scan rate 20
mVsec-1 E vs Ag/Ag+)
Fig. S11 Differential Pulse Voltammograms of (a) T4 and (b) T5 (0.30µM) with 0-0.42µM of Al3+;
(c) T6 (0.30µM) with 0-0.42µM of Co2+ in HEPES buffered DMSO/H20 (8:2, v/v) using
0.1 M TBAP as supporting electrolyte (GC working electrode, scan rate 20 mVsec-1 E vs
Ag/Ag+)
Fig. S12 HOMO – LUMO structures of T4, T5, T6 and their metal complexes by using
Gaussian 03W software