Scientists have recently tweaked the material of ternary organic solar cells (TOSCs) and achieved efficiencies in reach of their conventional solar-cell cousins. The results were published recently in the journal Advanced Materials. The study was conducted by researchers from the Qingdao Institut
Researchers have enhanced the efficiency of ternary organic solar cells by introducing a “guest” component. This modification allows for improved sunlight absorption and optimized solar cell operations. Through strategic placement and modification of this guest component, they achieved power conversion efficiency gains of over 19 percent.
However, OSCs have lower power conversion efficiencies than inorganic solar cells. TOSCs have changed the situation to some extent. Unlike the traditional binary organic solar cells, which consist of a donor material and an acceptor material, TOSCs include an additional third component, often referred to as the “guest.
There are three different location possibilities: embedded in the donor material, embedded in the acceptor material, or dispersed in some way between the interface of donor and acceptor, forming blended,-like structures . But until now, very little attention has been paid to playing around with guest component location.In their study, the researchers used a guest component called LA1 in the TOSC.
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