Calcule the refractive index and extinction coefficient of multilayers?

hi, how can I calculate the equivalent refractive index and equivalent extinction coefficient of multilayers from the optical information of each layer, is there any simple software to calculate...

06 November 2019 5,507 6 View

How to define PEDOT: PSS in Silvaco?

I found a problem to define an organic material which is PEDOT: PSS in silvaco , could anyone helps me out?

26 June 2019 7,483 1 View

Layer by Layer (LbL) self-assembly methods?

I want to ask about Layer by Layer (LbL) self-assembly methods, and if it can be used to deposit thin film of metal.

24 May 2018 4,277 2 View

What are anisotropic electrical and optical properties of a semiconductor due to?

In some materials, properties such as band gap, thermal conductivity differ along different crystallographic axes. What are the basics?

01 March 2021 1,923 3 View

No title

25 February 2021 5,713 1 View

How can we determine the band gap of a composite material that is made up of a composition of direct and indirect band gap semiconductor materials?

I have a direct band gap material and an indirect band gap material. If I made a composite of both through physical mixing. Then how can I determine the band gap of such a material as the Tauc...

17 February 2021 8,104 4 View

Using SILVACO to design tandem organic solar cells?

Hi Can anyone please suggest me how can I study the parameters of solar cells made of graphene oxide and any other organic material composite using SILVACO. I would also like to know how I can add...

15 February 2021 5,795 3 View

I am desigining UWB antenna with ecllipse shaped patch on HFSS.Why gain is coming negative ?

I am attaching my design and result of Gains.S11 parameter is less than -10dB from 3.1 to 9.8 Ghz.Z11 magnitude also lies between 40 -60 ohm for this range .Still gain is negative. Pls help

29 January 2021 4,334 3 View

Where to add metamaterial unit cells in microstrip patch antenna to enhance the antenna parameters?

In order to enhance the antenna parameters, meta-material unit cells are added but where to load them is more advantageous either at ground plane or at the patch side, also is it necessary to add...

24 January 2021 2,999 4 View

Why the bandgap of CH3NH3PbCl3 films are different for spin-coating method and electrospinning method?

The observed bandgaps are 3.8 eV and 3.4 eV for spin-coated and electrospun films, respectively. What are the possible reasons?

08 January 2021 5,646 6 View

How to calculate the band potential of a semiconductor material using energy band gap?

I am looking for methods to calculate the band potential of ZnFe2O4 and Fe2O3.

05 January 2021 6,416 2 View

What is the best method to add nanoparticles in organic solar cell simulation using silvaco software ??

i built the structure of the organic solar cell (ito-P3HT_PCPM-PEDOT_PSS-al) then i used BEAM statement to add sunlight so what is the best method to add nanoparticles in layers

03 January 2021 7,107 11 View

Is there applied of types of injective modules with GAP programming ?

If you have any paper about types of injective modules and applied with GAP programming, please send me to the Email: [email protected]

28 December 2020 9,521 2 View