Meiraba Chirom

4 Questions 2 Answers 0 Followers

Questions related from Meiraba Chirom

What are difficulties one encounters while doping Eu2+ and the necessary steps that I can use to get in +2 state and to make it stable in the future?

I am planning to using Eu2+ as a dopant, as this one is usually found in the +3 state and usually gets oxidised from +2 to +3 for Phosphor materials. I usually found it to be more useful in the +2...

05 May 2017 8,828 2 View

Why is Eu2+ used instead of Eu3+ for phosphor application?

Eu3+ is the stable form, but why do people have to go through the laborious task to reduce it to Eu2+ for phosphor application. And also kindly suggest a low temperature (not higher than 200oC)...

05 May 2017 2,845 6 View

What's the latest research on warm white light LED with max CRI and CCT~3000K?

Phosphors

05 May 2017 3,435 0 View

Is there any possibility to have a single compound(phosphors) that can emit both red end and yellow of the spectrum?

I am looking for the structure of the host and the dopants. As we usually use Ce3+ and Eu2+ for both the colours, can we have a host with necessary added other dopants that can generate both. This...

05 May 2017 3,874 5 View