Lucas Fonseca Bezerra

6 Questions 2 Answers 0 Followers

Questions related from Lucas Fonseca Bezerra

Why aromatic imines are weakly fluorescent?

Most of aromatic conjugated imines I know are far less fluorescent than its aromatic precursor. What happens to the excited state when the imine is formed?

06 June 2019 237 2 View

What is the relationship between the pi-sextets and the absorption spectrum of a polyciclic aromatic hydrocarbon?

Could anyone suggest me some papers to get a better understanding of Clars model and UV-Vis spectroscopy ?

01 January 2019 5,816 2 View

Can anyone sugest me some articles to get familiar with Theoretical chemistry?

I want to get underground knowledge about this topic and more specifically DFT method.

05 May 2018 3,526 10 View

Is there any singlet oxygen sensor that can be used under UV irradiation?

I want to measure singlet oxygen generated by organic molecules under blue or UV light irradiation, however the most comon sensor DPBF undergoes photochemical degradation in this condition and I...

04 April 2018 7,888 3 View

Can I attribute sensitizer luminescence quenching caused by oxygen to singlet oxygen generation?

Molecular oxygen can quench luminescence signal of fluorophores. I want to know if I can attribute this phenomenon only to singlet oxygen generation in a organic media. I plan to perform...

04 April 2018 8,163 3 View

Can anyone help me in a syntheses of an aromatic imine (schiff base)?

I'm trying to react a aromatic aldehyde with the blue toluidine dye wich has a NH2 group atached on the aromatic ring. I performed it in methanol with molecular sieves adding 5 drops of acetic...

02 February 2018 6,973 5 View