期刊
MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING
卷 156, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.mssp.2022.107273
关键词
Third generationsolar cell; DSSC; Photovoltaic performance; Transition metal chalcogenides; Counter electrode
Dye-sensitized solar cells (DSSCs) are equipped with a counter electrode (CE) that collect electrons and catalyze the iodide/triiodide (I-/I3-) redox reaction. Platinum (Pt) has traditionally been used as the CE material, but its high cost and corrosion issues have prompted researchers to explore alternative materials. This review focuses on the recent advancements in using binary and ternary transition metal chalcogenides (TMC) and their composites as efficient CEs in Pt-free DSSCs.
Dye-sensitized solar cell (DSSC) is considered as an excellent indoor photovoltaic (PV) technology because it shows better performance even in scattered indoor light, low cost, high flexibility, semi-transparency in nature and availability of variety of colors. Counter Electrode (CE) is one of a crucial component in DSSC as it collects electrons from the external circuit and also act as a catalyzer towards iodide/triiodide (I -/I3-) redox couple in the electrolyte. Platinum (Pt) noble metal is commonly used as a CE material for designing DSSC. But, due to high cost and corrosion activity towards the I -/I3- reduction process, Pt lost its application. Hence, in order to develop a Pt-free CE, several new materials have been explored to fabricate highly efficient DSSC. In this review, the recent progress of binary and ternary transition metal chalcogenides (TMC) and their composites as an effective CE to replace expensive Pt metal CE in DSSC are discussed.
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