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Questions related from Saianand Gopalan
Can some one please inform how to acquire J-V curves for perovskite solar cells?Fabricated structure is ITO/PEDOT:PSS/Perovskite/PCBM71/Al. The perovskite precursor used here is equimolar PbI2:MAI...
06 November 2015 3,159 9 View
Please suggest some suitable organic solvent for Cu nanopowder dispersion? Also advice on the concentration. I would like to use this dispersion to fabricate a film atop the water soluble...
19 June 2015 9,513 3 View
I have tried fabricating with the same spec (that gave best PCE of 3.67% for P3HT PCBM61 with 3% DIO) for P3HT ICBA61, but witnessed poor PCE of < 2.50 %. Awaiting for your kind advice/suggestions.
24 November 2014 4,628 6 View
Can some one please suggest suitable solvent for etching/cleaning Vanadium oxytriisoppropoxide (VTIP) solution (a precursor solution dispersed in Isopropyl alcohol)? We have tried etching...
15 September 2014 3,079 7 View
Can some one suggest alternative storage place for photoactive materials like P3HT, PCBM, etc. We dont have sophiscated glove-box environment for storage and solar cell fabrication. It is known...
29 August 2014 2,903 4 View
Can some one please advice on the best cleaning procedures for ITO substrates for organic/polymer solar cell applications? Is this going to determine the overall performance parameters of the...
12 August 2014 1,567 11 View
Many report says thicker active blend film will be good for obtaining decent PCE? However, in our laboratory environment, thinner active film (~ 90 to 100 nm for both P3HT:PCBM/ICBA) is showing...
03 July 2014 3,541 12 View
I tried fabricating thinner blend layer (P3HT:ICBA) films (without pre-thermal annealing) with the conventional structure of ITO/PEDOT:PSS/Active Layer/Al (125 nm), but the results wasn't...
24 March 2014 9,000 12 View
Someone please inform us on the device fab procedure for obtaining PCE. We work on ITO coated glass and PEN substrates. If possible, please provide information on published literature. Thanks in...
29 January 2014 6,575 2 View
Is it fine to extract HOMO and LUMO from HOMO= − (E[onset,ox] + 4.66) and LUMO= − (E[onset,red] + 4.66) equation from CV measurements. But I noticed in many reports, researchers are obtaining HOMO...
25 January 2014 3,487 17 View