Jafar Hussain Shah

5 Questions 40 Answers 0 Followers

Questions related from Jafar Hussain Shah

Effect of Mn-doping on BiFeO3 photocatalytic activity?

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 2,980 2 View

Surface treatment and finishing for BiFeO3?

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 7,367 7 View

How to check valence state of Cr using UV vis spectroscopy?

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 2,611 3 View

Gold Seed washing and sepration?

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 3,434 4 View

How to increase Photocatalytic activity for water oxidation/reduction?

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 9,148 7 View