11 March 2017 1 4K Report

I have tried already DMSO and DMF , ethanol and water

More Krishnayya Setty Kallamadi's questions See All
How the Band Gap energy is corrected with dopant concentration in the host?

With increase of concentration of the dopant in the host,...the Band Gap energy of the nanostructure is increasing..may i know the reason.. with the increase in the concentration of the...

11 November 2017 6,434 3 View

What is the engine behavior when vehicle is equipped with Dual clutch transmission (DCT). How exactly the DCT is fuel efficient?

Engine rpm vs vehicle speed curve. How the engine is affected w.r.t DCT

13 August 2017 9,300 2 View

Tansition states for Ce3+ doped TiO2

TiO2 is doped with Ce3+.  the emission wavelengths are found to be 489, 542,653,705,730nm.  could any one give the transitions states pertaining to the mentioned wavelengths...(excitation...

25 May 2017 6,235 0 View

May i know the fall of refractive index (or increase of of bandgap energy) with the increase of dopant concentration of Nano structures???

why refractive index decreases and band gap energy increases with the dopant concentration of nano structure...Plz give the reason for same...

25 May 2017 7,632 3 View

What is the theoritical explanation for the narrow band emission of emitter (of photonic crystals) in thermophotovoltaics ?

we have seen emission peaks in 1-D gratings, which picture will help to understand whether waves or rays picture?

22 April 2016 2,352 2 View

How do I prepare TiO2?

I am purely nuclear physics teacher...I need more chemistry to prepare the Nano materials. Kindly help me to How to prepare the TiO2  nano material using the main precursor as Titanium(IV)...

14 December 2015 3,006 7 View

How can I calculate the concentration for dopant with another material?

I need to calculate the concentration for dopant with another material. Can anyone help me out to learn the calculations? How can I calculate the 0.1mol% of Europium Nitrate with TiO2 material?...

11 December 2015 5,451 20 View

How can I convert bromo to isopropyl on pyrazole 4th position? Can anyone suggest ?

I tried suziki coupling with isopropyl boronic acid and negishi coupling with isopropyl zinc bromide.sm is major

12 October 2015 6,799 3 View

How can I find interfacial resistance when electron movies from semiconductor to electrode?

one considersation is energy level mismatch another is diffusion are there any other considerations do i need  to take

03 May 2015 9,362 4 View

What is the best solvent for nano TiO2 powder for UV visible spectrophotometer?

I need to study the Eg for TiO2 using UV visible spectrophotometer. Kindly may I know the best solvent for nanoTiO2 powder? or necessary of sonification if not a good solvent? Or dispersion of the...

12 January 2015 7,210 6 View

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