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Questions related from Shaikat Debnath
I am doing DFT calculations for electrolytes of batteries. Is there any software with which I can place my electrolytes inside a battery and can know how those electrolytes will be actually...
12 December 2018 835 3 View
I need some help about GPVDM software. It would be very kind you if anybody is there who has worked with GPVDM and can help me about it. Thank you in advance
08 August 2017 4,001 6 View
Most probably the best thing of a perovskite solar cell is their easiness to fabricate and low cost. But I am more interested about the drawbacks of perovskite solar cells. Your kind comments on...
05 May 2015 8,817 4 View
Metals nanoparticles (NP) are used on top of solar cell to enhance the light absorption in thin film solar cell. Now, lets say NP-A has its absorption range in between 6-18 eV frequency with peak...
03 March 2015 2,218 3 View
I have seen a lot that people use core-shell structures for nanoparticles in plasmonic application. Any special significance of core-shell structures? Any paper on that? Thanking you in advance
03 March 2015 6,103 4 View
Using DFT calculation of inorganic X-Y nanoalloys I have got a very wide optical absorption in the frequency range of 950 THz to 4300 THz. i.e., 315nm to 70 nm. So I was just thinking whether this...
03 March 2015 8,778 2 View
for example, Ag has its experimental optical peak at 3.2 eV. Now, at what eV/Hz do the Al and Cu have their optical peak? I am looking for any theoretical or, experimental calculation on that....
02 February 2015 4,481 4 View
I want to know the potential of a nano-alloy for solar cell and catalysis application. I don't have any experimental set up and can only do DFT calculations. So, I have picked a 7 atoms structure...
01 January 2015 7,541 1 View
We have seen silver and gold nanoparticles have been used on top of plasmonic solar cell to increase the light absorption. Now, the magnetic properties of silver and gold have any effect on solar...
01 January 2015 3,891 5 View
I want to know the potential of a nano-alloy for solar cell and catalysis application. I don have any experimental set up and can only do DFT calculations. So, I have picked a 7 atoms structure of...
01 January 2015 7,116 2 View
Bangladesh is listed at 36th best country when it comes about PPP GDP but 155th when nominal GDP is considered. So, if I want to know the real economy state of a country, which one should I look...
01 January 2015 4,370 5 View
I am only aware of doping into an intrinsic semiconductor. Most probably doping into a metal conductor (lets say silver/aluminium/copper): does it actually make any sense? Just want to know. Any...
01 January 2015 1,639 6 View
Lets say if we dope a monovalent atom into a 13 atom Ag cluster to make a 13-electrons system with icosahedron symmetry, will it actually fit in the jellium model?
11 November 2014 7,139 4 View
Lets say, X nano-particle has an optical peak at 3 eV, Y nano-particle has an optical peak at 4 eV. Now for the applications of solar cell or opto-electronics, which nano-particle is better and why?
11 November 2014 5,849 4 View
If a cluster has electron affinity (EA) of 1.2 eV, and ionization potential (IP) as 5.5 eV, how good that cluster be for any catalysis application? What is the requirement of IP, EA for being good...
07 July 2014 7,021 1 View
I am not finding the data about the Ionization Potential, electron affinity and cohesive energy of francium.
06 June 2014 5,517 1 View
My sample (expect it to be sodium nanosphere) is sandwiched between two quartz slides. Now, I want to know the element of the sample (whether it is sodium, or not), fabricated metal's size and...
01 January 2014 2,535 3 View
I am working with 13 atom Icosahedral Ag cluster. The prime attraction force among these 13 atoms that keep them together is metal-metal bond, but is there any van der waals force also involved in...
12 December 2013 7,825 6 View
I am working with 13 atom Icosahedral, Decahedral and Octahedral Ag cluster. I want to replace one/many atoms of Ag structure by some other metals and see what difference it makes in the...
12 December 2013 5,620 2 View
I have seen people make alloy of 13 atom icosahedral Ag with Nickel and Copper. What is the criteria needed for this alloy metal? Can I make alloy of 13 atom Ag icosahedral with Na/K?
11 November 2013 4,352 1 View
With a nano-colloid maker device, I want to explode a sodium wire in an Argon environment. The supply voltage might be around 25KV for few microseconds. Might there be any risk of hazard?
11 November 2013 2,581 1 View
Binding energy is a property that tells you about the stability of a nanocluster. The less the binding energy of a nanocluster, the more stable it is. Other than Binding energy, what other...
11 November 2013 2,865 0 View
I want to check the stability of a nanocluster. For that, I have to check the binding energy and total energy of the nanocluster. Is it that the higher the binding energy, the more stability it...
11 November 2013 183 5 View
In thermal evaporation we heat either powder/bulk metal inside a vacuum in a specific pressure and temperature and the result is some nanoparticles in the substrate. Why does this happen, and what...
10 October 2013 9,339 2 View
I want to grow nano-spheres/nanorods/nanowires of a metal in the glass substrate in the sizes of around 80-120 nm radius using that metal's powders through thermal evaporation. The boiling...
10 October 2013 5,174 6 View
My fabricated material nanowire is kept away from the air. So, I plan to put that fabricated metal sandwiched between two glass slides and seal it then. So, if I want to characterize that, I might...
10 October 2013 6,871 16 View
My lab has hydrazine sulphate. I need to convert it to hydrazine hydrate. How can I do this?
10 October 2013 5,480 1 View
I need sodium nano-powder, most preferably around 80-120 nm sized grain. As sodium is ductile, I can't go for ball-milling. So, are there any chemical processes or, any other process to get sodium...
10 October 2013 3,236 10 View
I want to get a full list of all the metals which have been fabricated already in nanoscale with their fabrication method. From a review paper from Dr. Zhong L. Wang, I got the list of Metal...
10 October 2013 2,142 2 View
Calculations show that even if I make the vacuum chamber as low pressure as 10^-8 atm, still there is lots of oxygen. Can anyone suggest any chemical/any other process to make the inside of a...
10 October 2013 9,626 21 View
I want to grow sodium nanowires/nanoroots of around 80-100 nm over glass substrate. As sodium is very reactive, I can't go for any chemical process and I don't have Electron Beam Deposition...
10 October 2013 9,217 0 View
I want to grow sodium nanowires/nanoroots of around 80-100 nm over glass substrate. As sodium is very reactive, I can't go for any chemical process and I don't have electron beam deposition...
10 October 2013 7,068 0 View
