Abstract
Sb2S3-based hybrid solar cells were prepared in the combination with electron transporting layer of TiO2 or ZnO nanoparticles in addition to poly(3-hexylthiophene)-2,5-diyl/(3, 4-ethylenedioxythiophene): poly(styrene sulfonate), zinc phthalocyanine (ZnPc), or MoO3 for hole transporting layer. Photovoltaic performance and durability of the hybrid solar cells were compared each other with or without encapsulation by using glass and UV cutoff film. Among these hybrid solar cells, it was found that a combination of glass-ITO/TiO2/Sb2S3/ZnPC/Au encapsulated with glass and UV cut filter has the highest durability with keeping the relative power conversion efficiency of 90% through the stability test under 1 sun at 63°C at a relative humidity of 50% for 1,500 h.
Highlights
Photovoltaic performance of the Sb2 S3 -based hybrid solar cells for 1 d.—The photovoltaic performance of the Sb2 S3 based hybrid solar cells with three different hole transporting layer (HTL) consisting of glass-indium-tin oxide (ITO)/TiO2 /Sb2 S3 /HTL
power conversion efficiency (PCE) of ca. 3% were attained with P3HT/PEDOT: PSS and zinc phthalocyanine (ZnPc)
Since relatively higher series resistance was observed in the case of MoO3, it might be estimated that the mobility in MoO3 is lower than other HTLs and resulted in low PCE
Summary
Stability improvement of photovoltaic performance in antimony sulfide-based hybrid solar cells.
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