What is the significance of 'dark spectral response'?

Can anyone explain me the significance of ''dark spectral response'' or " Dark EQE" of solar cell and how it will help to improve the efficiency of solar cell?

03 April 2019 7,950 7 View

What is the difference between the Granular growth and Columnar growth?

what is the main difference between the growth mechanism of Granular and Columnar growth in microcrystalline silicon thin films?

04 May 2016 9,812 0 View

How can I create periodic texture on flexible substructures like polyimide (PI), PET?

I would like to create periodic texture structure on flexible substrates like Polyimide (PI), polyethylene terephthalate (PET) for multiple reflections of light. Can anyone suggest, how can I...

02 March 2015 6,933 6 View

In a-Si:H, are dandling bond defects present in thermal equilibrium conditions in the material identical to DB defects formed by optical degradation?

See above

07 August 2014 9,510 3 View

Can someone tell me how to etch polyimide substrate (Kapton) and will it dissolve in any solution?

I have this amorphous silicon, a-Si:H, film I want etch it from polyimide and I want to know how to approach it.

06 July 2014 3,791 7 View

What is the exact difference between photoelectric effect and photovoltaic effect?

In both cases electrons are ejected from the outer shell. Can anyone give me a clear explanation of the differences between the two?

03 April 2014 6,337 10 View

Why defect density of states have Gaussian distribution in a-Si:H?

In hydrogenated amorphous silicon why density of defect states following Gaussian distribution function and band tails are exponential distribution?

03 April 2014 9,869 5 View

Why are band tails exponential nature in amorphous materials?

In crystalline materials the conduction band (C.B) and valence band (V.B) are parabolic nature and has a sharp mobility edges. In amorphous case the sharp edge disappears because of defects but it...

02 March 2014 5,549 7 View

How does current density vary with respect to i-layer thickness?

I have read one journal where it states that with the thickness of the i-layer (0.5, 0.8,1, 2, 2.5 microns), the current density initially increases up to 1 micron and gets saturated. What is the...

31 December 2013 3,429 4 View

Up to which temperature can we continue to anneal?

31 December 2013 3,715 6 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

How climate change will influences human and animal behavioral change?

The role of climate change influencing the human behavior as well as economics interest

01 June 2021 0 0 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 March 2021 0 0 View

Why does blocking with my immunogenic peptide cause nuclear fluorescence in ICC?

Hi all, I am validating a polyclonal antibody raised against human ANT4, through WB and ICC. In most of my controls, the antibody shows very little off-target binding, but when I pre-incubate the...

03 March 2021 5,999 3 View

Why can't make aluminum nitride film successfully by use sputter?

We use reactive sputtering process to make aluminum nitride film, and want to make c-axis aluminum nitride film on a silicon substrate, but the crystal orientation cannot be seen with...

03 March 2021 7,975 3 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View