Hassan Alshamsi

8 Questions 203 Answers 0 Followers

Questions related from Hassan Alshamsi

What are the effects of climate change on poverty ?

What are the effects of climate change on poverty

22 November 2017 492 26 View

What your idea about imaging of species in picometer size(1×10−12 m)?

Today, microscopic systems like SEM,TEM and AFM are available at scientific institutions and research centers. Above techniques are involved in thousands of published articles to imaging...

01 September 2017 5,749 8 View

What are the reasons behind the weakness of original research in Iraqi universities?

In Iraq today,there are more than 70 university and about 50000 researcher .Acoording to SCImago Journal & Country Rank ,in 20 years ago, the total documents not more than 15000.In your...

24 August 2017 7,268 24 View

What are the new trends of dye sensitized solar cells( DSSCs) ,materials and fabrication?

What are the new developments in techniques and materials to fabricate low-cost and more efficient dye sensitized solar cell

07 April 2017 5,463 11 View

Which is better as adsorbent RGO-N or RGO-S?

I Synthesized graphene oxide and plane to functionalized RGO as RGO-N and RGO-S . Depending on experience, which is better as adsorbent for removal methlylene blue dye from aqueous solution?

13 January 2017 697 2 View

Which is better to measure the surface charge/zeta potential of nanocomposites?

I synthesized rGO/m-ZnO nanocomposites .One of applications of nanocomposites is photocatalytic degradation of an organic dye. Which is better , measure the z-potential of rGO/m-ZnO suspensions...

08 January 2017 1,928 5 View

To determine the concentration of reduced graphene oxide in aqueous solution, which technique is better?

I synthesized reduced graphene oxide(rGO) via eco-friendly process. Reduced graphene oxide has been identified by XRD ,FTIR, and EDX techniques .I need to determine of rGO concentration in...

05 January 2017 7,516 4 View

How to synthesis Co3O4-rGO-Co3O4 composite employing eco-friendly reduction of GO?

I prepared reduced graphene oxide (rGO )coating Co3O4 composites (denoted as rGO/Co3O4) employing a temperate coprecipitation method and using GO-MOFs . For comparision,I plan to prepare rGO...

03 January 2017 2,792 3 View