How is the energy level diagram of Mn doped zinc sulfide drawn?

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How to calculate hkl values from XRD without knowing lattice parameter?

I took XRD of my compound, It has three peaks. I have to calculate the hkl values for them. I calculated the 'd' for Bragg's Equation for all three peaks. I do not know the lattice parameter(a) of...

05 June 2016 4,582 5 View

Which is the best light source to construct solar simulator?

I am building solar similator at my laboratory. I used tungsten source which is giving only 12000 lux. I am looking for a source of 100,000 lux or so. Please suggest me.

10 November 2015 7,463 7 View

How can one coat synthesized polyaniline electrochemically?

I am trying to electrochemically deposit previously synthesized polyaniline blended with manganese doped zinc sulphide. Is there any way to do so or do I have to synthesis polyaniline...

11 December 2014 3,367 5 View

In which solvent will Zinc sulphide dissolve?

I am preparing a thin layer through the sol-gel method.

10 November 2014 2,599 4 View

How is thin layer perpared for polyaniline?

Other than solgel and spin coat method.

08 September 2014 8,191 9 View

How to extract the peak of XRD from JCPDS?

I was looking for the XRD peak of Mn Doped ZnS in The International Centre for Diffraction Data (JCPDS). But I could not get how to extract the data required.

11 December 2013 3,123 11 View

Which type of compound does lamda max of 218 indicate in a uv-vis spectrum of a partially purified compound through column and TLC?

A crude extract of fungal culture using EtOH was subjected to column and TLC and partially purified compound was obtained. UV vis spectrum of the compound/s has max absorbance at 218nm. The...

11 August 2024 9,801 2 View

Baseline drift in HPLC? What causes this?

Hello, Why do i see this baseline drift when i compare my blank (black) to the sample (blue)? Any suggestions as to why this happened? Thank you!

11 August 2024 3,770 4 View

How to calculate CCS for Sodiated adduct ions and Multiply Charged Ions?

I'm currently working on calculating the collision cross section (CCS) for various ions, and I'm facing challenges when dealing with sodiated and multiply charged ions. Most of the resources I’ve...

08 August 2024 8,329 0 View

How to prepare the nanoparticle treated fungal sample for Environmental SEM analysis?

A fungal strain was treated with nanoparticles. We want to do an environmental SEM analysis. So could anyone share your views on preparing the sample? Thank you.

07 August 2024 5,307 1 View

Why might the impedance values for DI water and 0.1X PBS buffer solution exhibit a decreasing and increasing trend, respectively over time (HP 4194A)?

Hello everyone, I'm encountering an issue with my electrochemical impedance spectroscopy (EIS) measurements and would appreciate some insights. Experimental Setup: Electrodes: Gold interdigitated...

05 August 2024 3,783 2 View

How can I find access to heavy metal reference doses from the EPA and WHO websites?

Reference dose and Maximum acceptable concentrations HMs

03 August 2024 8,230 4 View

Can a Conventional 50W visible LED Lamp Emit UV Light?

I'm researching light sources and their UV emissions. I'm curious if a 50W, 7500K conventional LED lamp emits any UV light. I found that a 200W tungsten lamp can emit up to 1.5 mW/cm² at 350 nm....

31 July 2024 3,843 7 View

Given the current level of natural phenomena cause by the climate change and environmental pollution, will the AI find the technological solutions?

AI-driven technologies offer previously unheard-of capabilities to process enormous volumes of data, extract insightful knowledge and improve predictive models, according to the UN’s World...

31 July 2024 9,733 3 View

Mossbauer spectroscopy Co0.6Mn0.4Fe2O4 MNPs?

Following curve related to Co0.6Mn0.4Fe2O4 Magnetic nanoparticles with extra phase a-Fe2O3. I will appreciate to help me to interpretation this spectroscopy, especially the blue line.

31 July 2024 9,140 2 View

¿Are oxygen vacancies in semiconductors capable to change the band gap?

Dear all! Oxygen vacancies do raise negatively the Fermi level by increasing the negative charge in the semiconductor crystal structure. In the case of n-type semiconductors, I wonder if this...

30 July 2024 8,339 2 View