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Questions related to Solar Cells
The character of grains and their sizes are the most characteristic structural Parameters of material made by solidification technology which highly influence the mechanical properties.
27 May 2021 6,748 4 View
Hello I'm trying to fabricate PEN/ITO/PEDOT: PSS/MAPbI3 thin film via the sequential spin-dip coating method but I constantly get microstructure with cubiod&needle-like particles rather than...
22 May 2021 3,426 3 View
a)Perovskite HOMO=5.30eV and HTL HOMO=5.50eV b)Perovskite HOMO=5.30eV and HTL HOMO=5.10eV * In each case valance band offset is same (0.2 eV)
21 May 2021 3,274 4 View
Good day community, I work with perovskite solar and I recently got strange J-V curves as you can see in the attached file when I use silver as the electrode ( BEW027_JV.jpg). and when I use gold...
21 May 2021 2,510 3 View
The possibility of semiconducting BaSi2 films for potential application in thin-film solar cells has already been explored by several research groups. Literature review reveals that to grow...
19 May 2021 5,733 5 View
Hello everyone Are renewable energy certificates greenwashing? What is the guarantee that solar cells that are depreciated are not harmful to the environment? By increasing renewable energy...
17 May 2021 6,054 2 View
I would like to increase the mobility of positive charges in a p-type polymer to have a pn junction and be able to collect at the end a short circuit current and an open circuit voltage, thank...
16 May 2021 9,467 3 View
I am trying to simulate solar cell using Lumerical DEVICE smulation software. I need to add material data for electrical and thermal properties. Where to find those? I require data for PCBM,...
15 May 2021 10,001 2 View
Dear all, When i have varied the thickness of the acceptor material, i have observed a decrease in the performance of the device. I'm wondering if the fermi level can change by increasing the...
12 May 2021 427 5 View
hello everyone, in my recent project i want to deposit tungsten by thin film of ruthenium by PVD method, as increasing temperature to melt ruthenium, part of it evaporate and deposit and another...
12 May 2021 872 4 View
We know that the reduction potential of Sn2+ is -0.14V, so it easily oxidized to Sn4+ into an open atmosphere reaction condition. Is there any method by which I can prevent this oxidation? If So,...
12 May 2021 8,430 7 View
See the Figure1, it's my I-V simulation result about PDs, however, the photocurrent remains the same (Figure 2). According to the literature read in the past, the photocurrent changes under...
06 May 2021 6,223 4 View
While simulating the Gate All Around Nanowire FET, I am facing this issue process interrupted by signal SEGV and warning: Electrode 1 is totally embedded- flowlines not possible. Please help me out.
04 May 2021 282 0 View
For different samples, i got decrease of particle size with annealing. Can anyone explain me about this?
03 May 2021 6,685 16 View
I am trying to do a computational study for some conducting polymers I've prepared. I wonder if there is a cif file for polyaniline or polypyrrole (not derivative) since I've been searching for a...
02 May 2021 7,251 3 View
Dear Professors, Researchers in the RG, Kindly suggest me middle ranked journal in area of thin film solar cells IF>1. Non-paid or paid journal. Below I past abstract of our...
01 May 2021 2,466 9 View
I have seen in simulation-based works, defect density in CH3NH3SnI3 layer is normally used as 1e14 cm-3. But in some of them, it is also stated that this value of defect density is too low for...
30 April 2021 491 5 View
(vid. attached images) The Isc and Voc are as expected, but the initial curve appears to show a decline as the voltage increases, which is characteristic of a high resistance and low FF, but...
28 April 2021 372 16 View
I am working on perovskite solar cells. In many papers i have found that the electron affinity and band gap is changed in simulation study. But normally electron affinity and band gap is constant...
27 April 2021 9,886 7 View
Should I add in 3A molecular sieves into the SnO2 solution with isopropanol added? I am planning to use it on top of perovskite (MAPbI3) layer but the water comes with the SnO2 solution can damage...
27 April 2021 3,866 5 View
I am working on Supercapacitor applications. I have done electrochemical impedance spectroscopy (EIS) using CH instrument and trying to plot equivalent circuit using ZView software. As I am new to...
26 April 2021 491 4 View
Hello everyone! If you take the output current equation of a solar cell in open circuit condition, you get: R_sh = V_oc/(I_ph - I_0*(exp(V_oc/V_T)-1)); where R_sh is the shunt-resistor V_oc is...
25 April 2021 5,880 5 View
I am currently working on the simulation of solar cells using SCAPS. In most research papers perovskite layer was introduced to SCAPS as either pure donor or pure acceptor. however, I saw that...
23 April 2021 8,141 1 View
deterination of refractive index and extinction coefficient of solar cell absorbing layer
20 April 2021 6,978 3 View