8 Questions 53 Answers 0 Followers
Questions related from Jafar Hussain Shah
I have doped BFO with Mn (0.025%, 0.05%, 0.075% and 0.1%) and observed that first photocatalytic water oxidation activity decreased than pure BFO for 0.025% and then it increased for 0.05% which...
13 August 2020 2,992 2 View
Hello everyone, I want to know during PLD, where from bound charges come at the surface of ferroelectric materials? I want to know their origin, their charge either positive or negative, and their...
18 December 2019 1,468 1 View
I want to know what is the long and short depletion region effect in semiconductor base photocatalysis? Like in conventional semiconductors it is um thick usually while in ferroelectrics base...
18 December 2019 4,487 0 View
Hello everyone, I want to do surface treatment for my sol-gel synthesized BiFeO3. For this purpose if anyone have a kind suggestions regarding methodology that how to do and which way is better...
27 December 2018 7,394 7 View
I want to ask about how to get the accurate valence statr of Cr in solution form? As from XPS I found it is +3 but somebody ask that Cr+3 can not be attached on material in acidic solution. So ask...
11 December 2018 2,642 3 View
Hello everyone, I want to study my material morphology that is in different shape. I want to study according to BFDH theory. Can anyone help me in understanding this theory or could share some to...
03 January 2018 5,114 6 View
Hi everyone, I am synthesizing Au seeds and colloidal solution color is according to literature but the problem is their washing and separation. So I want to know proper method how to wash and...
18 December 2017 3,447 4 View
hello everyone, I am using some type of magnetic materials for water splitting and I want to know how can I increase their activity in particle system and also in film system? Could you all...
28 November 2017 9,161 7 View
