Let’s face it, organic chemistry can seem difficult to learn. category: copper-catalyst. Especially from a beginner’s point of view. Like category: copper-catalyst, Name is Cuprous thiocyanate. In a document type is Article, introducing its new discovery.
Solution-processed copper (I) thiocyanate (CuSCN) for highly efficient CdSe/CdTe thin-film solar cells
Solution-processed CuSCN serving as hole transport, electron reflecting layer (HTL, ERL) and Cu dopant source for CdSe/CdTe thin-film solar has demonstrated high power conversion efficiency (PCE) of ~17%. Two types of solvent, diethyl sulfide (DES) and aqueous ammonia (NH4OH), are explored to deposit CuSCN on CdTe, and both can enhance the performance of CdSe/CdTe solar cells. However, NH4OH solvent is less toxicity, leading to a smoother surface than DES solvent, enabling the deposition of ultra-thin CuSCN layer and avoiding the high cost of DES. Temperature-dependent current-voltage (J-V-T) and capacitance-voltage (C-V-T) measurements reveal that the use of CuSCN HTL increases hole concentration in CdTe absorber and significantly reduces back-contact barrier height. High power conversion efficiency is achievable with the optimal thickness of the CuSCN layer. Our results demonstrate solution-processed CuSCN HTL for enhancing the efficiency and reducing the cost of CdTe thin-film solar cells.
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Reference：
Copper catalysis in organic synthesis – NCBI,
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”