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beatenblood
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Join Date: Dec 2008
Posts: 30
Good Answers: 1

Light Absorption in Solar Cell

09/08/2009 1:54 AM

Hi,

I am designing an amorphous silicon solar cell and i wanted some pointers on how I should calculate the width of the intrinsic layer to get maximum absorption of light into my cell.

I have designed my cell with the doping concentrations of p and n layer as 10^18 and 10^15 respectively.
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Masyood
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Join Date: Mar 2008
Location: MA 01864, USA
Posts: 453
Good Answers: 7
#1

Re: Light Absorption in Solar Cell

09/09/2009 9:27 AM

Light absorption of the cell depends on

1. Silver inke shadowing effect which is drectly related to print defination and thixotropic index.

2. ITO uniformity

3. Surface contamination of the amorpous silica. This effects in loss of photon and electron based on type of contamiantion you have. For example if you have transition iopns like iron, vanadium, chromium and copper you will have loss of photon and other side if you have sodium, potasium lithium etc you will have loss of electron and under both senario you loose fill factor and power efficiency and I guess that is what you are looking to maximize.

Masyood

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