Questions tagged [nanotechnology]

For questions relating to the synthesis of supramolecular, or colloidal structures and their properties or manufacturing processes of characterization for nano-featured structures.

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60 views

Are there economical ways of synthesizing nanotubes?

I've heard Nanotubes will replace Li-ion batteries in the future and it is much more relevant. I just wanted to know could it really replace Li-ion batteries? Is synthesizing nanotubes economic?
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361 views

What is Nano Zinc Oxide?

First of all, I have zero chemical background, but I seek for an easy explanation about Nano Zinc Oxide. I was told that the name of "Nano Zinc Oxide" couldn't possibly exist. Instead, it should be ...
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1answer
223 views

Producing carbon nanotubes from graphite

I am searching for the carbon nanotubes for very low cost. I have one idea, which is to use graphite (such as that found in pencils.) Can it be converted to carbon nanotubes? If so, what would be the ...
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1k views

Intermolecular forces in Carbon Nanotubes?

What are the intermolecular forces that can be found in Carbon Nanotubes?
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1answer
71 views

Letting Copper sit in NaOH for 5 min (for monolayer assembly)

i made a self-assembled monolayer of dodecanethiol on copper, before that i let the copper in a solution of $\ce{NaOH}$ for 5 min, and i need to know what this step is for, anyone can help me?
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0answers
103 views

Synthesizing monodisperse PbS quantum dots

For a research project, I am trying to synthesize lead (II) sulfide quantum dots using the method of Li et al.. I am injecting sulfur dissolved in 1-octadecene into a mixture of $\ce{PbO}$, oleic ...
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1answer
189 views

Is there a good sol gel method for carbon nanotube thin film deposition?

I was searching for a sol gel method for deposition of carbon nanotube thin films and there aren't too many articles on that. Does anybody know the reason? Is it because Carbon nanotubes are ...
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0answers
92 views

TiO2 nanotube application in cement [closed]

I am perparing for a presentation on the application of TiO2 nanotubes in cement which is a recent topic in cement chemistry. Do you happen to have any papers (or know of any accessible on Internet) ...
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2answers
9k views

What's the difference between graphite, nanotubes, and fullerenes?

I understand that all of these are made up of carbon atoms but I don't understand what differentiates them. Since they are carbon they all must have covalent bonds, right?
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1answer
384 views
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346 views

Producing gold nano flakes

In terms of producing gold nano flakes, Guo et al. [1] added aniline to the solution of chloroauric acid in ethylene glycol at 95 °C. However, I couldn't figure out the step by step chemical reaction ...
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1answer
600 views

What are simple applications of Monte Carlo simulations in chemistry, that can be done in Matlab?

I am trying to learn simulation myself and I have installed Matlab on my machine for that purpose. In web I have gone through some of the basics of Monte Carlo simulation, but I am unable to find a ...
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2answers
490 views

Gold nanoparticles in a water/oil environment

I am currently investigating the assembly of gold nanoparticles in a mixture of water and oil. The thing is the following: If we have gold nanoparticles (35nm diameter) dispersed in water and we put ...
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2answers
12k views

What is the difference between graphite oxide and graphene oxide?

I am considering making a sheet of graphene using the LightScribe technique and I have read that I need graphite oxide. However when I look up graphite oxide for sale, graphene oxide pops up. Are ...
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4answers
914 views

large wavelength range and list of x/y numerical data points of elements

I'm trying to get a set of FTIR or (FTIR like range) x/y numerical data points for a couple of elements, namely Silver, Platinum, Palladium, Gold and Sodium. I've looked on line and found images ...
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1answer
72 views

What is the mechanism of functionalisation of nanoparticle using long chain alcohols

How can long chain alcohols(not thiols) be functionalised on the surface of silver or gold nanoparticles? I have read in an article that Polyvinyl alcohol is used as a capping agent for silver ...
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2answers
1k views

Why do shape and size have the greatest effect on the optical properties of nanoparticles?

The LSPR properties of nanoparticles depend on a number of factors, including shape, size, material, crystal structure, dielectric environment, etc. However, it has been consistently shown that shape ...
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1answer
179 views

Simulation of a particle and chemical molecule

I am currently studying the basics of simulation and want to try out some experiments. It is a known fact that gold nanoparticles can bind to chemical groups which contains thiol (R–SH group). I want ...
5
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1answer
3k views

What is burst nucleation? [closed]

Can you tell me what is a burst nucleation process, and how can it be used for synthesising uniform nanoparticles? Can you also provide (if possible) any links to papers or materials regarding ...
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1answer
13k views

What is the bandgap value of SiO2?

Using Diffuse Reflectance Spectroscopy, I have obtained the band gap for $\small\ce{SiO2}$ (purchased from a chemical retailer) in the range of 3.25 to 4.75 eV. I would like to know if the values ...
3
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2answers
193 views

Can nanotechnology reduce electrode losses in electrochemical cells?

I'm just curious about this topic, as most portable, "clean" energy sources or carriers (in the sense of not being a primary energy source -fuel cell hydrogen, for example) are in essence ...
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1answer
238 views

What does the charge distribution around a Stone-Wales defect look like?

I'm reading a book on carbon nanotubes (P.J.F. Harris, Carbon Nanotube Science, to be specific) at the moment and puzzling about Stone-Wales or 5775 defects. This is where two adjacent carbons undergo ...

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