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Questions related from John Peter Isaqu
Dear Researchers, How to know the Fermi level position of the nano particle?
03 March 2019 6,315 3 View
Dear Colleagues, I am working natural dyes based DSSC. It is known that the power conversion efficiency is purely depends on the pigments presented in the dye. How to find what are the pigments...
03 March 2019 5,740 3 View
Dear Researchers, Can we measure the light intensity from LUX meter.Is it correct or not?
07 July 2018 5,623 1 View
Dear Researchers, Is any possibility to make crystalline Sb2S3 annealed in AIR atmosphere instead of N2 atmosphere?
07 July 2018 1,074 0 View
Dear Researchers, Silver acetate is easily soluble in diluted acids and Is any other way to dissolve the silver acetate instead of acids?
06 June 2018 2,733 3 View
Some people use KOH as the electrolyte and some one use Na2SO4 as the electrolyte for a NiO nanoparticle? which one is better and how to choose the best electrolyte for our sample.
05 May 2018 1,180 0 View
For applying the post doctoral position, which qualification are expecting the abroad countries. (i) Academic background (ii) research background (means which application) (iii)...
05 May 2018 4,687 4 View
Dear Researchers, Is any website is there, to intimate the post doctoral positions in abroad or any where?
05 May 2018 876 0 View
05 May 2018 5,298 0 View
Dear colleagues, We know that anchoring groups in the dye is determined the efficiency of solar cell.. Hence how to know or find what are the anchoring group present in natural dye.
05 May 2018 5,607 0 View
05 May 2018 9,617 0 View
Which country gives much importance for research in renewable energy like solar cell, battery and thermoelectric applications and super capacitors.
05 May 2018 6,159 29 View
Renewable energy is one of the important alternative method to generate the power. Particularly in solar cell field, We know that till now Si solar cell is the best one and it to got around 33% of...
05 May 2018 928 0 View
How to calculate the HOMO and LUMO level of the semiconductor using Mott - schottky technique?
05 May 2018 2,926 3 View
Dear colleagues, We know that hummers method is one of the very famous method to make GO..after that we make GQDs from Graphene oxide.. Graphene oxide is a well conductor. After treat with GO in...
05 May 2018 4,896 3 View
Dear Colleaugues, We know about liquid junction photo-voltaic system.Here we use anode as a sensitizer, cathode as a hole collector, electrolyte and also one more thing used called"reference...
05 May 2018 3,710 0 View
Dear Researchers, In what purpose we use reference electrode in Cyclic voltametry?
05 May 2018 1,145 4 View
In DSSC gave a higher efficiency for low intensity light but (i) If increasing the light intensity efficiency is decreased. Why? (ii)Also to increase the temperature the eficiency is decreased. Why?
05 May 2018 4,071 2 View
Apart from the molecular structure, high absorption coefficient,we know that absorption is depending on the material band gap. From the band gap we easily determine the absorption wavelength...
05 May 2018 3,245 4 View
Normally the peoples are measuring the solar cell efficiency using solar simulator. But this time i try to measure the solar cell efficiency using some white light instead of simulator. To...
04 April 2018 9,240 6 View
Why normally peoples are measuring the solar cell efficiency using solar stimulator instead of incandescent lamps and other configuration lamps?
04 April 2018 2,885 11 View
Dear colleagues, I am working in the field of dye sensitized solar cell. Due to the lack of solar simulator I am not continue my research properly. And next i plan to measure the solar cell...
04 April 2018 4,006 5 View
Dear Frds, I am working in the field of Sb2S3 based solar cells. From the literature they stated that after coating Sb2S3 film in CBD technique, the film kept in the N2 or Ar atmosphere at 300 C....
04 April 2018 5,942 3 View
Till now which material to got the higher efficiency in DSSC. Please send the details or papers.
04 April 2018 9,450 3 View
Dear colleagues, Normally peoples are measuring the solar cell efficiency using solar stimulator instead of incandescent lamps and other configuration lamps.why?
04 April 2018 5,865 0 View
Normally peoples are used to measure the solar cell efficiency using solar simulator. But lack of this, can we use metal halide lamp?
04 April 2018 1,229 4 View
Hi, Normally the peoples are used to measuring the HOMO and LUMO level of the semiconductors (like ZnO, TiO2 and some inorganic semiconductors) in cyclic voltametry techniques. These are all the...
04 April 2018 1,797 0 View
How to calculate conduction and valance band position of the semiconductor in cyclic voltametry technique?
04 April 2018 5,781 1 View
I am very much interest to working in GRAPHENE based materials. But I want to calculate the carbon to oxygen ratio, how to measure this?
04 April 2018 6,129 1 View
We know that Graphene Quantum Dots (GQDs) is nothing but a small spherical sheet (3D confinement). Many researchers stated that GQDs is either poly crystalline or single crystalline nature (...
04 April 2018 6,576 2 View
Dear friends, During the preparation of Sb2S3 sensitized solar cell, the orange-yellowish Sb2S3 film was kept at 300 deg for 30 min in AIR atmosphere.After removing from the furnace i didnt got...
02 February 2018 4,036 1 View
Dear Colleagues, Which measurement is more suitable for measuring the intensity of light? Thank You
01 January 1970 2,780 4 View
