How do we increase the resolution of an image?

I have an image having DPI value 100 but the publisher want it to be of atleast of 300 dpi...so what will be the solutions..please answer as soon as possible. Thanks

07 August 2018 5,796 5 View

What is the significance of cyclic voltammetry (CV) measurements in the field of counter electrodes for DSSCs?

I have prepared three carbon based electrodes like graphene, MWCNTs, GRAPHENE OXIDE etc. and need to note CV of these. Please tell is this measurement is necessary for these counter electrodes...

10 November 2017 6,677 4 View

Is it suitable to use drop casting method for depositing films of counter electrodes of DSSCs?

I am to deposite films of MWCNTs and graphene for counter electrode for DSSC. Actually I need some research papers that can explain this technique in a detailed way....thanks in advanced.

09 October 2017 3,061 3 View

Can cyclic voltammerty is possible for powdered samples without coating films?

If yes, please suggest me the way..for doing this. If NO then why?

06 July 2017 1,475 2 View

What is the basic theory behind Tauc's Law for optical band gap calculation?

Please answer with literature references. Thanks in advance.

01 February 2017 2,067 3 View

What is the theory on which Tauc plot is based upon for band gap measurements?

01 February 2017 3,334 5 View

Can we find porosity values of thin film using ImageJ software?

01 February 2017 7,764 5 View

Where does the HUMO and LUMO levels locate in Black Dye?

i want to know the exact energy level values..please attach some papers regarding use of black dye in DSSC.

01 February 2017 7,664 0 View

What are the absorbance regions of black dye as i have used it in DSSC? can i get some papers?

I have used N749 black dye as sensitizer in DSSC.

09 October 2016 5,298 2 View

What is the maximum reported efficiency of DSSC device with carbon materials as counter electrodes?

So As to compare platinum CE device with the carbon materials CE like carbon nanotubes, graphene etc.

06 July 2016 4,513 3 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

Would fecal samples stored at -20C for over a year impact metagenomic analysis?

Dear All, I have access to some rodent fecal samples that have been stored at -20C instead of -80C. Anyone have experience with the impact of stowage condition on comparative metagenomic analysis...

01 March 2021 2,512 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

1 nm thick MgO thin-film to be deposited on Si wafer using thermal evaporation. What will be the optimum deposition conditions?

Favourable conditions of base pressure, rate of deposition. Also, by which characterisation technique to be used to verify the thickness of the deposited film.

28 February 2021 3,640 3 View

Does different dilution factors affect negatively on NH3 reading ?

I have a sample of treated water sample & asked to obtain ammonia conc. in sample using a machine with 5-25 ppm detection range. However, upon testing with different dilution factors, all...

27 February 2021 8,483 3 View

How to compare 2 samples recruited with different sampling methods?

If I want to compare characteristics of 2 groups of patients, one group is recruited from a random sample of the general public while another group is from a sample with a fixed gender (male to...

26 February 2021 3,526 3 View

Can random sampling have inclusion criteria?

As random sampling means that everyone in the population have an equal chance to be chosen, can it have inclusion criteria? My research participants have been chosen based on the inclusion...

26 February 2021 6,905 10 View

What information can be had from raman at higher wavenumber?

i have recorded raman spectra of strontium oxide thin film. the spectra were recorded in the range 400 to 4000 cm-1. i have reference to peaks upto 1000cm-1. but i couldn't find literature for...

26 February 2021 2,499 1 View

How can I find a Raman spectrum wavenumber corresponding to what compound?

I have several Raman spectra with very distinct peaks at certain wavenumbers, such as 277, 359, 466, 583, 623, 686, and 795cm-1. How can I identify them to what compound(s)? The RRUFF and others...

24 February 2021 363 3 View

How to calculate Z (the number of molecules in a unit cell) for calculating theoretical density?

I am trying to calculate the theoretical density of my ceramics materials. I use the formula below to calculate the theoretical density: Theoretical density = (Molecular weight x No. of molecules...

24 February 2021 3,823 2 View