Abstract
AbstractSince innovation, different dye‐sensitized solar cells (DSSCs) have endeavored with additional components to escalate the efficiency, cost‐effectiveness and long‐term stability. Various approaches have been executed to reduce the amount of costly platinum (Pt) used in DSSCs and/or to explore cheaper alternatives to Pt. In this work, cheaper elements based quaternary chalcogenide alloy; Cu2ZnSnS4 (CZTS) has been projected as a prominent counter electrode (CE) candidate to Pt in DSSCs. The CZTS thin film has been developed by an in‐situ synthesis employing a hydrothermal technique and further evaluating various physicochemical characterization. Our results manifest that using the CZTS CE, a power conversion efficiency (PCE) of 4.3 % was exhibited for TiO2 based photoanode. The highest PCE of 6.5 % was achieved for BaSnO3 based photoanode, a promising alternative oxide to TiO2 photoanode. This work further signifies a unique combination of newly developed BaSnO3(BSO)‐CZTS DSSCs, could be a promising competitor to TiO2‐Pt DSSCs.
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