Which is the best/correct precursor for NiOx to use as HTL for perovskite solar cells?

I am looking for solution process techniques(spin coating) for depositing NiOx(Nickel Oxide) as HTL for perovskite solar cells. But I am confused in choosing a correct precursor, as I have found...

11 October 2020 963 4 View

How to change orientation of the frames in a simscape multibody model?

Hi , i am stuck in trying to change the orientation of the frames in simscape multibody. I am trying to specify motion to the joints in a constrained way for which i need the orientation of the...

30 July 2018 5,802 1 View

Adding figures for submission in BioMed Central ?

Hello, I am willing to submit my manuscript in JNER of Biomed central journal. Regarding adding figures in latex file, in the authors guidelines , it says that the figures should be added...

17 June 2018 8,967 1 View

Can someone help me with the Johnson-Cook properties for HT9 steel?

22 May 2017 2,658 2 View

How to assess degree of river erosion threat on particular landmass?

River erosion may have different degree of impacts on a particular land mass. When can an erosion be considered a threat? what percentage of a landmass should be eroded in order to consider it as...

11 July 2016 7,889 0 View

Does the pressure(-600 mmHg) affects pH?

When I conducted the degassing experiment using decompression under anaerobic condition(and I used ferrous based chelating agent), the oxidized ferric were observerd. So, could you tell me the...

03 March 2021 4,892 5 View

Which database would give me this list of chemical components?

Dear colleagues: I would like to know if anyone knows of a database that gives me the parameters pH, K, K, Mg, P, C, N, Zn, Cu, Ni and Cd of common foods. I find a lot of information of proteins,...

26 February 2021 5,525 3 View

What would be the best method to study the seasonal variation in wetland vegetation?

I wanted to learn how the seasonal variation relate to climate change. The best samplimg methods are required. Therefore, any references or suggestions are welcome. Thank you

24 February 2021 8,589 3 View

Why is NH4OH added in heavy metals limit test?

The limit test I'm referring to is USP method II. In this procedure you need to dropwise add 6N of NH4OH to the sample until it the pH is alkali. After that you need to dilute and add HOAc until...

23 February 2021 2,049 3 View

Is there an ideal incubation time of RGO-modified SPCE before subsequent use, i.e., electrochemical characterization or further modification?

I notice that upon washing and air-drying of my RGO/SPCE surface and characterizing again via DPV, the current response towards ferricyanide probe significantly decreases. My worry is that the...

22 February 2021 5,324 3 View

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22 February 2021 9,932 11 View

Can anyone help or comment on solubilising chlorobutanol in aqueous injections in minimum time possible?

Please suggest solubilisation of chlorobutanol in injections. Tried pH and high temperature. But the issue is of assay drop. If anyone can suggest any solution. Its a commonly used excipient for...

21 February 2021 7,397 1 View

What reaction will occur when adding hexamine into ammonium nitrate in an acidic medium?

Hello, I am investigating properties of water in oil emulsion explosives. And adding hexamine (hexamethylenetetramine) into one of the phases that are used to make the emulsion should increase the...

21 February 2021 8,680 1 View

What properties of water shall be analyzed and evaluated to test the effectiveness of activated carbon?

I would like to ask what other properties of water (pH and such) shall be analyzed and evaluated to test the effectiveness of activated carbon from filtering the contaminants present in the water?

20 February 2021 9,422 8 View

Phenol-pH graphic?

We want to use phenol pH graphic to measure the pH of mediums before and after inhibitor application to cells. We have phenol absorbence values at 460, 560 and 720 nm wavelength. When we measure...

20 February 2021 7,700 3 View