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- W817372101 abstract "Transparent semiconducting oxide films of ITO have beendeposited using screen printing techniques for fabricatingheterostructure solar cells. The ITO material used is a readymadecombination of organometallic compounds of indium and tin,dissolved in a suitable organic vehicle to make a screenprintableink or paste. The paste is then printed onto substratesin the desired configurations.The effect of various firing temperatures, from 450°C to650 °c, on the film properties were observed. The sheetresistances, Ra, changed as the firing temperature varied. Ravalues could be decreased by annealing the films in an inert gasor in vacuum conditions. An annealing temperature of 300°Cseemed to be optimum for annealing the ITO films. This decreasedthe sheet resistance by a factor of more than ten. The lowestsheet resistance of the ITO films was about 290 n/sq, measuredduring annealing under vacuum conditions at a temperature of 300°C. This gradually increased up to about 1 Kn/sq after the filmwas aged for a few days in a laboratory atmosphere.The solar cell structures of ITO/p-Si and ITO/Sn/p-Si weremade in this research. The first structure suffered from anexcessive oxide interfacial layer thickness and it was abandoned.The second structure was then made to overcome the problemsresulting from the interfacial oxide. The Sn layer was producedby using evaporation prior to the screen printing of ITO. Thethickness of the Sn layer was about 100 nm. After evaporation,screen printing methods were used to complete the heterostructuresolar cell. The best typical values of these cells are, opencircuit voltage, V~= 0.360 Volt, short circuit current density,Jsc= 16.4 mA/cm2 with fill factor, FF = 0.34 and efficiency, 1) =2.5% under 80 mW/cm2 simulated illumination, where thisillumination is equivalent to air mass 2, (AM2)." @default.
- W817372101 created "2016-06-24" @default.
- W817372101 creator A5051509169 @default.
- W817372101 date "1989-01-01" @default.
- W817372101 modified "2023-09-28" @default.
- W817372101 title "The preparation and properties of ITO/tin/silicon solar cells" @default.
- W817372101 hasPublicationYear "1989" @default.
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