Conference Record of the Twenty-Ninth IEEE Photovoltaic Specialists Conference, 2002.
DOI: 10.1109/pvsc.2002.1190482
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Thin multicrystalline silicon solar cells with silicon nitride front and rear surface passivation

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“…The performance of mc-Si solar cells could increase or decrease when the wafer thickness is reduced depending on the values of device parameters such as bulk lifetime and back surface recombination velocity (S r ) [6,7]. An improvement in V oc when decreasing the thickness can be observed if S r on the back of the p-type wafer is kept below a critical value given by S r,cr = D/L (D: Diffusion constant for minority carriers, L = diffusion length of minority carriers in the base region) as is evident from equation 1, where J ob (dark saturation current of base) increases for values greater than S r,cr .…”
Section: Effect Of Reducing the Wafer Thickness On The Performance Of...mentioning
confidence: 99%
“…The performance of mc-Si solar cells could increase or decrease when the wafer thickness is reduced depending on the values of device parameters such as bulk lifetime and back surface recombination velocity (S r ) [6,7]. An improvement in V oc when decreasing the thickness can be observed if S r on the back of the p-type wafer is kept below a critical value given by S r,cr = D/L (D: Diffusion constant for minority carriers, L = diffusion length of minority carriers in the base region) as is evident from equation 1, where J ob (dark saturation current of base) increases for values greater than S r,cr .…”
Section: Effect Of Reducing the Wafer Thickness On The Performance Of...mentioning
confidence: 99%