What is the use of having multi-wavelength absorption measurements in Aethalometer?

Aethalometers are used to estimate the light-absorbing aerosols or Black Carbon (BC) or Soot particles. There are widely used aethalometers which are measuring light absorption in multiple...

06 September 2020 1,050 3 View

How to identify the planes and directions in the pole figures obtained from TSL OIM Analysis 7?

I have provided the images reported in journal papers. Which technique in TSL OIM Analysis 7 is used to identify the planes and directions in the EBSD map? How is it colour coded with the pole...

03 August 2020 8,078 1 View

Can pearlite form (traces/locally) in an ultra-low carbon steel with a carbon percentage of <0.005%?

If the ultra-low carbon steel is held at high isothermal temperatures will it be possible to form pearlite? How can the formation of pearlite be confirmed other than morphological confirmation?

14 July 2020 9,251 4 View

Can publishing a prepublished research as a new book chapter be acceptable in the academic world?

Research papers are in brief, book chapters are in detail. Can publishing a prepublished research as a new expanded book chapter be acceptable in the academic world?

19 March 2020 6,221 9 View

Why does the universe expand despite self-gravity?

We are in an expanding Universe as per the big-bang cosmology. Does it really mean that the outward thermal pressure now beats the inward gravitational pressure in the Universe? What is the exact...

14 March 2020 4,196 37 View

What are the different projects launched with a strong mission to make knowledge globally free?

What are the different projects launched with a strong mission to make knowledge and its resources globally free so that unprivileged and underprivileged scholars could pursue higher education in...

28 December 2019 9,526 3 View

How can we prevent ear-problems often encountered by passengers after a flight journey?

The vertical atmospheric air pressure differences encountered during flight journeys often create ear-problems well realized by passengers after landing. How can we prevent them easily?

26 November 2019 9,015 12 View

What is the significance of dynamical system analysis in cosmology and dark energy study??

What is the reason that we modify our system as dynamical systems while studying dark energy? And further, what is the criteria for choice of the dimensionless variables x,y,z.??

29 September 2019 7,687 1 View

How to get low energy model Hamiltonian of a material from DFT calculation?

I need to find the low energy model Hamiltonian for a material (semimetal). I heard that this is possible by using Wannier90 clubbed with VASP or QE. It would be very helpful for me if someone...

18 September 2019 6,649 2 View

What are the additional advantages that a Fano resonance possesses in comparison to normal dipolar resonance in Optical systems?

Fano resonance is a distinctive spectroscopic behavior in many optical systems. There're certain differences in terms of physics and behavior of Fano resonance compare to dipole resonance which is...

30 May 2019 4,244 2 View

LEDs on Vis Light photo degradation of MB water sol via N doped TiO2 in a mini flume?

Good day to all, I have no experience with light emitting diodes. I am building a glass mini flume to demonstrate the photo degradation of Methylene Blue in water running over self cleaning...

26 February 2021 4,026 5 View

How can we confirm the formation of heterojunction in nanocomposite systems ?

IV measurement and KPFM

21 December 2020 9,658 4 View

Is it any standard method to preparation of active layer materials (blend donor & acceptor ) for organic bulk heterojunction solar cell ?

Hello friends , when I prepare blend donor and acceptor for active layer of organic solar cell I am take donor and acceptor in 1:1 ratio and concentration variation between 10mg/ml to 16mg/ml. I...

16 December 2020 3,876 4 View

What is the reason of suddenly increasing the concentration while evaluating the photocatalytic performance by RhB dye degradation?

I am doing a photocatalytic performance evaluation by RhB dye degradation. I am facing a problem which is: After achieving the absorption -desorption equilibrium, I checked the concentration and...

04 December 2020 3,922 20 View

What is the influence of reduced graphene oxide (rGO) in a p-n ternary photocatalyst?

04 December 2020 9,019 2 View

How to remove TiO2 nanoparticles from dye solution, in order to acquire an absorbance graph for the dye alone ?

I'm working on the degradation of various pollutants with bare and composite TiO2. Since the size of TiO2 is too small, the particles won't be settling down as we take the dye solution at...

01 December 2020 2,139 8 View

How can I calculate valence band maxima of a semiconductor using XPS?

I just need to calculate the valence band maxima for a semiconductor which is actually in a heterojunction with another semiconductor. The motivation is to find the exact energy level of VB and CB...

01 December 2020 3,774 7 View

How Important Is the Rate of Heating During the Synthesis of Carbon Nitride?

09 November 2020 6,096 2 View

Which PEIE to use?

Hello all Thanks for answering my previous questions. I am making perovskite LED and intend to use PEIE on zinc oxide layer as ETL. But I am not sure what version of PEIE to us. There is the one...

08 November 2020 5,710 3 View

What is the difference between p-n and type-II heterojunctions?

In a p-n heterojunction under internal electric field, the photogenerated electrons and holes will transfer to the n-type semiconductor and the p-type one, respectively. It can be assigned to the...

12 September 2020 6,464 8 View