Nanomaterials

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Questions related to Nanomaterials

Why are silica nanoparticles aggregating when I am trying to disperse them in aqueous and n-hexane solutions for reverse osmosis membrane fabrication?

Prior research articles incorporating silica nanoparticles into the polyamide layer of a thin film composite reverse osmosis membrane state that they are able to disperse silica nanoparticles in...

19 May 2022 3,931 7 View

How can we effectively remove CTAB during mesoporous silica nanoparticles (MSN)?

Dear professor and friends, Many reports suggested that ammonium nitrate + Ethanol can be used to remove CTAB from newly synthesized MSN. But in our place (India) ammonium nitrate is banned due to...

14 May 2022 4,780 2 View

Why 0% Silver content in copper to copper brazing joints?

In-Refrigeration plant, needed copper-copper brazing joints. The chemical Composition of brazing rod is Phosphorous : 7-7.5 % Copper : Remaining

14 March 2022 8,997 1 View

Where can I obtain data for streamflow for hydroelectricity production in Laja Chile?

Hello everyone, I am working on a project on maximization of water system performance in a river basin in Chile. Now, I am looking for streamfow data for hydroelectricity production in the Laja...

14 December 2021 4,603 5 View

Is it possible to perform regenerative braking by using a BLDC Motor?

I am considering on doing a research in regard of studying the efficiency of BLDC Motors in regenerative braking for my final year project. I would like to know what parameters should be measured...

19 September 2021 835 3 View

Method(s) for identification of step-flow growth in bulk SiC grown by PVT?

Please suggest different characterization techniques employed in knowing/ evaluating the growth steps (probably step-flow) in contest to bulk SiC crystals grown using Physical Vapor Transport...

31 March 2021 9,381 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...

02 March 2021 2,534 3 View

Apart from Nanosilica and CNT's what are the other nanomaterials readily available to use in concrete mixture?

Nanotechnology in concrete materials

02 March 2021 3,620 3 View

What is the best substrate for exfoliating few layers of hexagonal boron nitride (hBN) using traditional scotch tape method?

Unlike graphene, it is usually very difficult to exfoliate few layers (~10 nm thick) of hBN on SiO2 substrate due to lip-lip interaction at the edges. Au substrates have been proven very useful...

17 February 2021 2,880 2 View

Will you suggest recent literature regarding photocatalytic applications of nanomaterials?

Dear esteemed researcher, Please, suggest recent literature links related to photocatalytic applications of nanomaterials. Regards, Dr. Vinaya Tari

27 January 2021 4,056 9 View

Why are nanobubbles typically negatively charged?

Nanobubbles of air in water tend to have a negative charge. Intuitively, one could think the water is not charged, air is not charged: why are nanobubbles charged? Looking closer, water has both...

15 January 2021 3,738 3 View

What are the procedures for environment friendly and effective methods to prepare silicon QDs, Si nanotubes and silicene (2D materials)?

There are different nanostructures of silicon like nanotubes, QDs and silicene. I need to know what are the 'green' or other effective methods for preparing them..please share the procedures of...

11 January 2021 3,558 1 View

How to calculate the concentration for as prepared nanomaterials?

if we are taking 2 materials of different concentrations (one is the precursor and the other one is the stabilizing agent) for synthesizing nanoparticles as a catalyst, how can I calculate the...

09 January 2021 632 4 View

Shortcomings or consequences of biological synthesis of silver nanoparticles?

Here I want to ask about the shortcomings and consequences of the biological synthesis of nanomaterials. Especially plant and microbial synthesis. Suggest me some reference paper. Thank you

21 December 2020 9,101 3 View

Is calcination necessary for synthesis of Pd deposited CeO2 nanomaterials?

I want to synthesize Pd deposited CeO2 mixed metal oxide composites

04 December 2020 3,349 6 View

I have a question about the softwares used for calculating DFT of nanomaterials and nanocomposites?

Hi everybody ; I have a question about the softwares used for calculating DFT of nanomaterials and nanocomposites? And the methods used for optimised this composites. regards

01 December 2020 9,714 4 View

How can remove SDS surfcant form nanomaterials?

If I use hot water , ethaol and centrifugation to remove SDS surfcant form nanomaterials, only a little sample is left. Someone said PVP will works, why? Who can solve this problem and even do...

29 November 2020 2,033 4 View

Anyone can assist with the use of logarithmic mixing rules for high dielectric constant values ?

I am a research scholar from KL University. I am working on microwave dielectric ceramic nanomaterials. I have a doubt on the Dielectric permittivity values, because of some of the papers reported...

10 November 2020 3,077 2 View

Carbon allotrope based nanomaterials for virus imaging?

I would like to know if any carbon allotrope based nanomaterials (such as fullerenes, nanotubes, graphene, reduced graphene, graphene oxide, nanohorns, nanoonions, graphene quantum dots, carbon...

09 November 2020 5,985 3 View

How to hydroxylate the surface of bismuth telluride nanoparticles?

Would it be possible to add -OH functional groups to Bi2Te3 nanoparticles?

08 October 2020 6,703 3 View

What are the optimum ratios for mixing nano materials with coating to improve its properties, for air pollutant treatment?

Improving the properties of local paints

03 October 2020 4,845 3 View

Given a TEM image and molar concentration of a given nanomaterial, what is the best way to convert to particle, surface area, and mass concentrations?

Often research reports will only include only one concentration metric when characterizing nanomaterials. However, often it is necessary to convert among different concentration metrics, does an...

29 August 2020 6,900 5 View

Is there new researches concerned with the effect of nanomaterials on limiting the spread of Covid 19?

Is there research concerned with the effect of nanomaterials on limiting the spread of Covid 19?

06 August 2020 1,686 8 View

Is there a gentle method to reduce cuprous oxide to copper while maintaining the original morphology?

Hello, Recently, I have synthesized some cuprous oxide nanomaterials and want to reduce them to metal while maintaining the morphology. Is there a way to do this?

05 August 2020 4,985 3 View

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