Dr K Manjunath

13 Questions 25 Answers 0 Followers

Questions related from Dr K Manjunath

How can i get crystallographica search match software and pdf-2 latest versions?

I have Crystallographica search match software and pdf-2 2003 version with complete licence. But now i would like to upgrade to the latest version of the same software. Any one can suggests how to...

03 March 2017 4,950 0 View

What is the effect of magnetic Fe2O3 nanoparticles in Photocatalysis?

Can you give some solutions how magnetic Fe2O3 nanoparticles play a role in improving Photocatalysis with TiO2 nanoparticles. I want to know the electrochemical activity of Fe2O3 in Photocatalysis.

11 November 2014 7,495 3 View

Why is there no absorption spectra of TiO2, RGO observed when added to CuS?

I prepared CuS nanoflowers, CuS-TiO2, CuS-TiO2-RGO and clearly observed the adhesion of TiO2 nanoparticles on the petals of CuS flowers through SEM images. In case of absorption spectra I didn't...

11 November 2014 9,457 3 View

What is the band gap type of CuS-TiO2?

I have prepared CuS covellite phase and TiO2 anatase phase. Suggests some references how to calculate direct band gap or indirect band gap semiconductor.

10 October 2014 2,880 4 View

I need this book "Structural Inorganic Chemistry By A.F. Wells, 5th edition, Oxford University Press".

If any one has this book ( soft copy) please share with me. it will be grateful to you. I searched in our library it is not available so, suggests me how to get online.

09 September 2014 7,060 4 View

Can anyone teach me how to synthesize very small size Fe2O4 nanoparticles?

I would like to synthesize Fe2O4 ferromagnetic nanoparticles around 10-20 nm in size. Can any experts in the same topic suggest to me the method to synthesize the Fe2O4 nanoparticles, if possible...

09 September 2014 1,326 6 View

How do we calculate percentage of composition of different compounds from XRD pattern?

I prepared a sample which contains mixture of compounds and i got XRD pattern for the same but I need to calculate the percentage of composition of each compound through Rietveld refinement...

09 September 2014 2,394 4 View

Can anybody suggest a good book or material regarding BET surface area of nanomaterials especially for metal oxides?

I want some detailed information about BET surface area. If you know or have any material or book regarding this send me. Thank you

08 August 2014 1,574 3 View

What is the best composite material to use with TiO2 as a photocatslyst for Hydrogen production?

Many Researchers have prepared tiO2 composite materials? But I want to know which type of composite materials works better with TiOs for Hydrogen production? Does RGO work better?

06 June 2014 4,823 4 View

How do we calculate d-spaces from SAED pattern?

I have taken SAED pattern of my Titania sample. It is showing that the sample is polycrystalline with clear boundaries. I calculated d-spaces using Image-J, but the d-spaces values are not...

06 June 2014 6,414 18 View

Can you suggests what is the best core/shell composite for Photocatalytic hydrogen production?

I am planning to prepare core/shell composites for photocatalytic hydrogen production. Could you suggests some best composites and method of preparation?

06 June 2014 9,572 8 View

We synthesized TiO2 foam but it is showing less hydrogen production, can you give any suggestions regarding this?

TiO2 foam is generally highly porous in nature, but for my sample it is showing very less around 600 micromoles for 2.5 hours. Can you give some suggestions about this comment?

05 May 2014 7,005 3 View

Can you suggest how we calculate the percentage of anatase and rutile phase when both are in a combined state?

I have prepared TiO2 nanomaterial in which I got both anatase and rutile phases. I want to calculate the amount of anatase and rutile phases present in that. Please suggest how I can calculate the...

04 April 2014 2,198 6 View