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We investigate the performance of the indium tin oxide (ITO)-free low-band-gap polymer solar cells (PSCs) with a multilayer as a transparent electrode. For the device with a 60-nm-thick active layer, the efficiency is improved by 26.5% when compared with that of the device with an ITO electrode. The improvement can be attributed to the resonance effect of the...
We report on the fabrication of the ITO-free polymer solar cells with the structure of silver (Ag)/ tungsten trioxide (WO3)/regioregular poly-(3-hexylthiophene) (RR-P3HT): [6,6]-phenyl C60 butyric acid methyl ester (PCBM)/ lithium fluoride (LiF)/ aluminum (Al). The Ag/WO3, which is processed from vacuum deposition method, is used as the anode to instead of the traditional high cost indium tin oxide...
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