Zeitschrift für Chemieingenieurwesen und Prozesstechnologie
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Abstrakt

Device Fabrication and Optimisation of P3HT:PCBM based Organic Photovoltaics

Jishna.M

The maximum efficiency for the prominent material system in OPVs, namely the mixture of poly(3-hexylthiophene):[6,6]- phenyl-C61butyricacidmethylester(P3HT:PCBM) is calculated to be 33%. But in practical maximum reported efficiency is 6%. This is because of four types of loses; optical,exciton,recombination and collection loses. Hence it’s essential to optimize the device fabrication conditions. This work attempts the fabrication and analysis of I-V curve obtained for the mentioned combination. Various parameters like mixing ratio, temperature, pressure, inert atmosphere, vacuum condition, spin coating speed, thickness and compounds used for intermediate layers were varied and the cell was optimized for maximum photocurrent and best power conversion efficiency