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Noble metal-free mesoscopic perovskite solar cell based on low-cost molybdenum (Mo) cathode has been developed for the first time. By optimizing the thickness of Mo electrode and combination with high quality perovskite layer, the Mo cathode-based perovskite solar cell exhibited a best power conversion efficiency as high as 15.06% with invariance of current density–voltage curves at different scan...
A new accepter unit, 4H-dithieno[3,2-c:2′,3′-e]azepine-4,6(5H)-dione, was prepared and utilized for the synthesis of the conjugated polymers containing electron donor–acceptor pair for OPVs. The dithienoazepinedione, bithiophene imide (BTI) group, is an attractive electron deficient unit since it demonstrates strong electron-withdrawing character, a planar architecture, and good solubility. The polymer...
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