Sakthivel Gandhi

3 Questions 25 Answers 0 Followers

Questions related from Sakthivel Gandhi

Does porosity play any role in luminescence efficiency?

Instead of pure inorganic crystalline phosphor, polycrystalline porous phosphor has been synthesized. The luminescence efficiency of the later one is three times higher than the previous one. What...

11 November 2013 1,901 8 View

How does energy transfer happen from Sm3+ to Eu3+?

Energy transfer happens from Sm3+ to Eu3+ but not Eu3+ to Sm3+, if we reduce Eu3+ to Eu2+, then how will be the energy transfer from Sm3+ to Eu2+?

04 April 2013 7,971 13 View

Can anybody suggest 'how does the energy transfer occur from Ba to Eu?'

I had synthesized some inorganic composites namely Gd2O3:Eu3+ and Gd2O3:Ba:Eu3+. The second sample showed high intense red emission at 615 nm compared to the first one. What may be the reason? How...

03 March 2013 8,829 14 View