Bibekananda De

4 Questions 6 Answers 0 Followers

Questions related from Bibekananda De

Why carbon dot shows the highest PL intensity at excitation wavelength of 350-380 nm, although it shows maximum absorbance at 270-310 nm?

Most of the reported carbon dot shows maximum absorbance at 270-310 nm in optical absorption spectra. So, actually it should exhibit highest PL intensity at excitation wavelength of 270-310 nm....

09 August 2015 4,453 7 View

Among the Cu, CuO and Cu2O nanoparticles, which one is the most antimicrobially active and why?

I have prepared these three nanoparticles and among them Cu2O np is showing very low antimicrobial activity.

27 January 2014 9,351 2 View

Do all Cu and Cu related nanoparticles (like CuS, CuO, Cu2O) exhibit antimicrobial activity?

I want to prepare polymer/Cu or Cu related antimicrobial nanocomposites. CuS is not showing any antimicrobial activity. What is the main mechanism of Cu or Cu related nps to show antimicrobial...

14 January 2014 2,983 10 View

Can anyone assign all the XRD peaks of the Bentonite clay?

Here I have attached my XRD of Bentonite and organically modified bentonite clay. One peak I have assigned as d(001) from literature. What will the others be?

13 December 2013 3,337 8 View