Is there any free software to simulate efficiency of thin film solar cells?

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11 December 2017 9,364 0 View

Can anyone suggest me the absorbance spectra attached here is the spectra of of SnO2-Al2O3 nanocomposite?

The spectra has been taken by dispersing the nanocomposite in water

05 June 2017 6,789 2 View

Can anyone give me the way to measure the absorbance of thin film deposited in steel substrate?

09 October 2016 9,574 0 View

Can anyone give me the circuit diagram to measure the dark I-V curve and power out curve for characterisation of pec cells?

09 October 2016 7,407 0 View

Can anyone help me to characterize the pl spectra of In2S3 nanoparticle?

the spectrum is here attached for reference

08 September 2016 9,674 2 View

Can any one help me to draw the plot of transmission and reflection spectra from an absorption spectrum?

I have an absorption spectrum of ZnS nanoparticle.

02 March 2015 6,570 5 View

Can anybody help me to find out how to determine the cause of deposition of thin films on SnO2-coated glass substrates?

Chemical bath deposition.

02 March 2014 5,510 2 View

How is the band gap of a semiconducting material calculated from the UV-visible absorption spectrum?

see above

02 March 2014 8,250 8 View

Is there any change in the band gap of semiconductor when dye is deposited on it?

I am working on DSSC. it is required to explain the mechanism of change of efficiency of solar cell. Actually in my experiment the efficiency is increasing after deposition of dye.

01 January 1970 7,846 0 View

Where can I find a good free software to calculate the efficiency of shunt resistance series resistance from power output curve?

Where can I find a good free software to calculate the efficiency of shunt resistance series resistance from power output curve? I have the I-V data of chalcogenide thin films

01 January 1970 6,415 2 View

Physics: Why do we describe light by referring to its wavelength, but microwaves and radar pulses by referring to their frequency?

In physics, the description of the properties of light generally refers to its wavelength (nm), while in the range of microwaves and radio waves we refer to the frequency of a signal (e.g. kHz or...

03 March 2021 1,682 3 View

Is there any effect of different colours of light (white, red, yellow, blue etc.) on the rate of photosynthesis? If yes, why?

Light is inevitable for the process of photosynthesis reaction. Naturally sunlight plays the vital role for this process. Light may be of different colours like white, red, yellow, blue etc....

02 March 2021 7,890 2 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View

What analysis to choose with a large neste dataset and clearly skewed or kurtotic distributions?

Hello! I have a dataset of n=3000 nested within 8 countries with approximately 200 or 400 responses in each country. I originally planned to perform multilevel modelling with 4 dependent variables...

02 March 2021 6,865 1 View

Can polymer concentrations be calculated based on the number average molecular weight?

Hello, I spin-cast two different polymers onto wafers and measure their height as a function of initial concentration. For polymer A, I have the weight-average molecular weight (Mw) as well as...

28 February 2021 7,882 2 View

In an eye with Tyndall, does each dot correspond to an individual cell?

When you observe the presence of Tyndall in an inflamed eye: Does each of the small floating dots correspond to an individual cell or to an aggregate of cells? Does a conventional slit lamp have...

27 February 2021 6,326 2 View

How to plot the probability paper of Gumbel distribution using R programing?

In R-studio, there are many commands of Gumbel package. Arguments are also different. I`m asking about the alpha parameter of the Copula which must be greater than 1. If this is the one used to...

25 February 2021 5,229 3 View

How can I obtain time series data by country on night-time light (brightness) ?

Hi everyone, Please, how can I obtain time series data by country on night-time light (brightness) ? I've tried, but so far all I can find are maps. I am looking for numerical data, especially in...

24 February 2021 8,625 4 View

Are there methods for automatically mapping floodplains, fans and terraces?

I want to map these river geoforms with as little subjectivity as possible. I have a high resolution DEM generated by drone data.

22 February 2021 7,800 3 View

What are difference between laser diodes, simple light emitting diodes and power light emitting diodes when operated in the visible spectrum ?

I want to illuminate a scene (small space) using LED to capture photographs or videos of some tiny objects inside the space. But am not sure if I should use a Laser LED, or simple LED or power...

22 February 2021 4,240 4 View