Acid etch of colloidal nanoparticle IN SOLUTION?

Dear all, I'm trying to improve the quality, monodispersity, and size control of my Ge nanoparticle, which are coated with oleylamine as native ligand (Ge@Oam). Among the different options i'm...

06 July 2019 3,679 1 View

High temperature continuous flow addition?

06 July 2018 5,052 8 View

Solvent switch, how to plan a solvent density gradient for Np purification?

Dear all, I'm going through a hell of a lot of problem to purify my @Ge-Nps, at a scientific acceptable standard. -Centrifuge works, but not so good and usually, I end up with cluster -extraction...

05 June 2018 8,569 0 View

How to avoid metallic contamination due to the use o a thermocouple?

Dear all, I'm performing colloidal syntheses of Si and Ge nano-particles (NPs). Lately most of my result (XRD, EELS, Raman) are strongly effected by the presence of Nickel in my solution. The Ni...

02 March 2018 4,439 6 View

What would you say are the most relevant features that makes difficult to synthesized group IV nanoparticles?

synthesis, especially colloidal, of group IV nanoparticle like Ge and Si hasn't be fully pursued like for other binary or ternary semiconductors. Why do you think is more difficult with these...

09 October 2016 8,149 1 View

Can anybody please explain me which are the units of measure to use in a Tauc plot?

09 October 2016 9,820 3 View

Inquiry: What is the most interesting aspect about germanium nanoparticle for you?

01 January 1970 3,035 4 View

I need to image mesoporous silica nanoparticles that are in ~100 nm size and do high resolution TEM to look at mesopores. what grids should I use?

Need to image mesoporous silica nanoparticles using the TEM. Also, need high resolution TEM images to see the mesoporous structure. Kindly suggest what kind of grids to use. Thanks, Shatadru

02 March 2021 1,787 2 View

Which is the most efficient etching solution for nickel based alloys?

Which solution reveals the microstructure and features of nickel-based alloys?

02 March 2021 2,221 3 View

Can chitosan alone can act as a reducing agent for Cu(0) nanoparticle sythesis?

[Synthesizing Cu nanoparticles without using chemical reductants]

01 March 2021 8,359 1 View

What are the new 2D nanomaterials were used for Silver nanoparticles stabilization?

In the stabilization of AgNPs are vital in current research interest. However, some of the 2D nano-materials like graphene oxide, MoS2, etc... previously used to stabilize it. But still they shown...

01 March 2021 2,207 3 View

What is the state of the drug inside solid lipid nanoparticles (SLNs)?

I am a little confuse with the mechanism of solid lipid nanoparticles (SLNs). The main point of encapsulating drugs into SLNs is because some drugs have low solubility in water. Therefore, SLNs...

01 March 2021 3,703 3 View

How to check the uv-vis absorption of nanoparticle by surface plasmon resonance?

I try to check the uv-vis absorption of Indium nanoparticle. Now I am measuring in solution, can I measure it in the form of a film?

01 March 2021 930 3 View

How to remove the residual PDMS on the silicon mold?

Incompletely cross-linked pdms are difficult to remove.

01 March 2021 798 3 View

How to size battery banks?

I am designing a small grid connected solar PV power-plant. As the battery's capacity is specified in Ah and demand in kWh. What is the best way to size the battery bank? I have battery price in...

28 February 2021 1,638 3 View

How to model the battery pack in PSIM or PSCAD?

Hello, I have simulated a single battery cell using Thevenin equivalent circuit. For a battery pack, I have a large number of cells connected in series and parallel connections. Is there any way...

28 February 2021 2,116 1 View

Distribution of particles in metal matrix?

How would define the "good" and "poor" distribution of particles within the matrix. Is there a quantitative solution to assess the distribution of the particles, which then having denotation of...

28 February 2021 7,397 8 View