Rajaraman Ts

4 Questions 5 Answers 0 Followers

Questions related from Rajaraman Ts

TiO2 amorphous powder convertion to nanocrystalline powder?

I have a commerical cheap TiO2 white powder with me. I suppose it is amorphous and not nanocrsytalline (as it did not cost me much). I was wondering if this amorphous powder can be converted to...

10 October 2019 2,502 5 View

I am preparing black TiO2 by sol gel method. How to obtain very fine particles after calcination by sol gel method?

Hello everyone, I am actually carrying out my research in the synthesis of Black TiO2 by sol gel method. Took TTIP in Diethylene Glycol as precursor and later did hydrolysis leading to formation...

03 March 2019 3,841 5 View

Are the nanoparticles formed by sol gel method indeed in the nano size range?

I am trying to make black TiO2 by sol gel method. In this I am taking a titanium precursor (TTIP) solution in diethylene glycol followed by its hydrolysis and condensation to form a gel. Drying...

02 February 2019 9,788 6 View

When I calcined my TiO2 gel at 300 deg C, they turned black. But when I kept in oven first and then calcined, I got black and white mixture. Reason?

I am actually working on synthesis of black TiO2 using sol gel method. When I directly calcined the gel in the muffle furnace at 300 deg C, they turned black in colour but when I first dried it in...

02 February 2019 431 7 View