To meet the challenge of continuously increasing global energy demands,organic-inorganic halide based perovskite solar cells(PSCs) have garnered great attention from the photovoltaic research community for their low c...To meet the challenge of continuously increasing global energy demands,organic-inorganic halide based perovskite solar cells(PSCs) have garnered great attention from the photovoltaic research community for their low cost and high efficiency.The efficiency of perovskite-based mesoscopic solar cells increases rapidly,from 3.8%in 2009 to22.1%in 2016.N-type metal-oxide electron transport layer,as one of the important components in mesoscopic PSCs(MPSCs),acts as not only a scaffold layer for the growth of perovskite crystals,but also a layer to supply transfer pathways for electrons injected from perovskites.In this review,we discussed recent published reports of MPSCs with the focus on n-type metal-oxide electron transport layer in MPSCs.The scaffold materials,scaffold nanostructure,and scaffold/perovskite interface engineering are considered,and the effects of these modifications of scaffolds on the performance of MPSCs are summarized in this review.展开更多
基金supported by the National Natural Science Foundation of China(91433203 and 61474049)the Ministry of Science and Technology of China(2015AA034601)+1 种基金the 111 Project(B07038)the Science and Technology Department of Hubei Province(2013BAA090)
文摘To meet the challenge of continuously increasing global energy demands,organic-inorganic halide based perovskite solar cells(PSCs) have garnered great attention from the photovoltaic research community for their low cost and high efficiency.The efficiency of perovskite-based mesoscopic solar cells increases rapidly,from 3.8%in 2009 to22.1%in 2016.N-type metal-oxide electron transport layer,as one of the important components in mesoscopic PSCs(MPSCs),acts as not only a scaffold layer for the growth of perovskite crystals,but also a layer to supply transfer pathways for electrons injected from perovskites.In this review,we discussed recent published reports of MPSCs with the focus on n-type metal-oxide electron transport layer in MPSCs.The scaffold materials,scaffold nanostructure,and scaffold/perovskite interface engineering are considered,and the effects of these modifications of scaffolds on the performance of MPSCs are summarized in this review.