Muzaffar Imam

12 Questions 11 Answers 0 Followers

Questions related from Muzaffar Imam

Why thin intrinsic amorphous silicon is used as passivation layer? Can we use thin intrinsic microcrystalline silicon for the same?

Please explain the physics behind interface passivation by using intrinsic amorphous silicon. Can we replace amorphous silicon with microcrystalline silicon with similar quality?

30 August 2022 9,642 1 View

Is there any reported articles on perovskite/silicon tandem thin-film solar cells?

I am unable to find articles on perovskite/silicon tandem thin-film solar cells. Is there any? or is there any technical issues while fabricating perovskite/silicon tandem thin film solar cells?...

18 July 2022 1,646 5 View

What is the effect of interface defect density on Fill Factor?

How FF respond on increasing density of interface defect?

13 January 2022 9,098 3 View

Why FF and Voc are changing significantly but not Jsc when number of grain boundaries are increased?

I am doing grain boundary simulation of multi-crystalline silicon based thin-film solar cells using TCAD Silvaco. On increasing number of grain boundaries in mc-Si region, Voc and FF are changing...

06 December 2021 7,222 8 View

How can we include the effect of light induced degradation in Silvaco TCAD?

I try to study effect of light induced degradation in micromorph solar cells. I have taken the following statements in the model statements TRAP.LID BEAM.LID TIME.LID=1e5 GENRATE.LID=1e15 and...

26 October 2021 6,159 2 View

At what order interface recombination rate (/cm^2s^1) and bulk recombination rate (/cm^3s^1) differ?

I am working in modeling of interface recombination rate. I have taken, bulk density (10^18 /cm^3) and interface density (10^12 /cm^2). What would be the difference in order of recombination rate...

08 February 2021 9,699 0 View

How to get logarithmic colorbar in MATLAB R2012a for 3D surface plot?

I am trying to plot a 3d surface which has two axes in log scale. After the getting plot and x & z axes converted into log scale, colorbar is not changing linear to log scale. Please help me to...

05 February 2021 7,528 2 View

How quasi fermi level related with illumination level?

08 August 2019 5,851 0 View

Do depletion region will form at the adjacent of grain boundary in case of intrinsic polycrystalline silicon?

How carriers will be trapped in the grain boundary in case of intrinsic polysilicon? Will the space charge region there at the adjacent to grain boundary? Please explain anyone. Thank You

13 June 2019 7,835 2 View

How is the E-K diagram for Ploycrystalline Silicon at its grain boundaries?

Can anyone provide me the detailed physics of E-K diagram of polycrystalline silicon specially at their grain boundaries? Any Journals or books is that I should follow for the above topics?

13 June 2019 9,128 0 View

Why the fermi-level splits at grain boundary in between two grains with different orientations?

In polycrystalline silicon, there is a potential notch at the grain boundary in between two grains with different orientations. At no bias, if someone draw the fermi-level, it splits at the grain...

26 April 2019 3,614 1 View

Why there is a notch in the energy band diagram while introducing interface defect?

I am working on TCAD simulation for grain boundaries effect in microcrystalline silicon. For proper modeling of grain boundaries, I have incorporated interface defect that causing a notch in the...

28 March 2019 4,423 4 View