Tahseen Iqbal

6 Questions 3 Answers 0 Followers

Questions related from Tahseen Iqbal

How to find out the values for Vbi and Vr to estimate charge carrier mobility in hole-only and electron only devices of organic solar cells?

could anyone please be kind enough to share how to find the value of Vbi and Vr, as shown in the graph below? I measured current under dark conditions but dont know how to find the value of Vbi...

06 September 2023 7,337 0 View

How to calculate Fluorescence Quantum Yield and select a suitable standard for organic dyes?

I am engaged in synthesis of organic dyes. Could anyone be kind enough to help me find a way toward fluorescence quantum yield? I would appreciate your time!

08 February 2023 5,702 4 View

How can we resolve solubility of insoluble organic synthetic compounds?

A chichibabin reaction of aromatic aldehyde with aromatic ketone and ammonium acetate was charged in acetic acid. Upon completion of reaction, it was washed with cold water. After filteration, the...

03 August 2016 7,948 11 View

How to neutralise tryptamine hydrochloride?

i ran a pectet-spengler reaction using equimolar amounts of tryptamine hydrochloride and aldehyde refluxed in methanol with catalytic amount of acetic acid but even after 107 h, both reactants did...

15 July 2016 2,632 11 View

Can anyone suggest a better workup procedure in compound purification for organic synthesis?

I have a crude reaction mixture, consisting of Potassium Carbonate, organic polar compound (the required one) and some polar but possibly organic impurities. I have possible two options to workup....

29 August 2015 6,647 19 View

How to purify and isolate required compound from a reaction mixture?

At the end of reaction, the mixture was containing a little water and my required compound, dissolved in it. As it was acidic (pH=3), i added aqueous solution of sodium bicarbonate to neutralize...

20 April 2015 2,277 8 View