Chemical Doping and Analysis in Nanostructures An
Preparation and doping of solutions for nanotechnology applications. Spectral analysis and characterization through UV-Vis and NMR techniques. Insights into the molarity, volumes, and properties of doped solutions. Explore the influence of FeCl3 doping on DPP-V-DPP solutions. Cyclic voltammetry data for electrochemical assessment of materials. Detailed images of chemical doping in low, intermediate, and high ranges.
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Presentation Transcript
Preparation of stocks and doped solutions Molarity of FeCl3 solution=0.123 M(in chlorobenzene) Molarity of DPP-V-DPP solution=9 x 1 -5 M(in chlorobenzene) In each vial: 200 ul of DPP-V-DPP stock solution(x) y ul of FeCl3 stock solution(y varies from 0 to 1000 ul) The total volume of the solution was maintained as 4.0 ml. Therefore, volume of chlorobenzene added= [4-{(x/1000)+(y/1000)}] ml. All solutions were prepared inside the glove box The doped solutions were stirred for 5 mins each.
Chemical Doping low range DPP-V-DPP DPP-V-DPP+50 ul FeCl3 DPP-V-DPP+20 ul FeCl3 DPP-V-DPP+10 ul FeCl3 DPP-V-DPP+60 ul FeCl3 DPP-V-DPP+80 ul FeCl3 0.8 0.6 Absorbance(a.u.) 0.4 0.2 0.0 400 600 800 1000 1200 1400 Wavelength(nm)
Chemical Doping intermediate range DPP-V-DPP+100 ul FeCl3 DPP-V-DPP+140 ul FeCl3 DPP-V-DPP+200 ul FeCl3 0.4 Absorbance(a.u.) 0.2 0.0 600 800 Wavelength(nm) 1000 1200 1400
Chemical Doping high range 6 5 DPP-V-DPP+400 ul FeCl3 DPP-V-DPP+600 ul FeCl3 DPP-V-DPP+800 ul FeCl3 DPP-V-DPP+1000 ul FeCl3 4 Absorbance(a.u.) 3 2 1 0 600 800 Wavelength(nm) 1000 1200 1400
Cyclic Voltammetry DVTDPP 1.0x10-4 5.0x10-5 Current (A) 0.0 -5.0x10-5 -1.0x10-4 -1.5x10-4 -2.0x10-4 2.0 1.5 1.0 0.5 0.0 -0.5 -1.0 -1.5 Potential vs. Ag/AgCl (V) 7
