Muhammad Tayyab

5 Questions 12 Answers 0 Followers

Questions related from Muhammad Tayyab

Have you ever experienced that the monochromatic 365 and 420 nm wavelengths have lower photocatalytic efficiency than the 450 and 475 nm wavelengths?

I am doing photocatalytic H2 evolution. This is the first time I am facing this problem, the monochromatic light 365 and 420 nm wavelengths give me lower photocatalytic efficiency than the 450 and...

11 January 2023 3,404 3 View

Why ZnS is showing negative photocurrent?

My sample ZnS is showing negative photocurrent, but CdS, CdZnS photocurrent is positive. why ZnS is showing negative current, i recheck it many times. I prepared CdZnS photocatalyst for hydrogen...

24 December 2020 6,588 0 View

How i can stabilized the photocatalytic activity of CdS-C3N4?

I make CdS nano balls on C3N4 by hydrothermal method (C3N4 from muffle furnace). when i checked its activity its showed 50 percent degradation in 10 mints and 75 percent degradation in 20 mints...

18 July 2020 9,189 0 View

How to further charaterize Manganese Quntum Dots and their Applications?

I check the UV of upper layer that give me two peaks at 240nm and 280nm. Then i checked PL that give me peaks at 333nm. it is useful ? is it Manganese QD in organic layer? i was doing experiment,...

08 November 2019 8,443 3 View

Which photocatalyst is best for water splitting ?

I want to select a photo-catalyst which is most suitable for Hydrogen production from water splitting. like TiO2, ZnO, CdS, N-ZnO-gC3N4 or any other composites which give us best results for...

07 November 2019 1,184 7 View