Ayuob Aghaei

5 Questions 11 Answers 0 Followers

Questions related from Ayuob Aghaei

What standard you suggest, to measure the fluorescence quantum yield with excitation wavelength of 400 nm?

I synthesized nanoparticle with fluorescence excitation wavelength of 400 nm and emission wavelength of 450 nm. Therefore, to measure the quantum yield, we should use standards that have an...

13 May 2016 6,068 5 View

How can I decompose hydrogen gas (H2) during reaction in the reactor continuously?

I have synthesized hydrogen (H2) as lateral product in the reactor. The existence of H2 cause reaction reversibility, and it is bad. I want to decompose (or eliminate) H2 anyway due to its...

13 September 2015 3,408 8 View

What is reason disappearing the fluorescence of synthetic graphene quantum dots spontaneously?

I synthesis graphene (or carbon) quantum dots by a hydrothermal method. Synthetic QDs is blue-greenish fluorescent under UV light but disappear after one day Spontaneous without sedimentation. If...

07 September 2015 9,522 4 View

I need experimental data for validation of desorption langmuir kinetics model?

I want test validating desorption langmuir kinetics model on experimental data but I haven't this data. How does I find data to test?

30 August 2015 4,271 3 View

What is the best method to drying graphene quantum dots?

I have 20 ml water solvent containing graphene quantum dots and sodium salts. How do I prepare GQDs powder so it’s preserve the crystalline nature? I dried it in 100 C temperature but XRD spectrum...

23 August 2015 6,094 6 View