Electron injection and scaffold effects in perovskite solar cells

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Electron injection and scaffold effects in perovskite solar cells.

In spite of the impressive efficiencies reported for perovskite solar cells (PSCs), key aspects of their working principles, such as electron injection at the contacts or the suitability of the utilization of a specific scaffold layer, are not yet fully understood. Increasingly complex scaffolds attained by the sequential deposition of TiO2 and SiO2 mesoporous layers onto transparent conducting...

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Electron injection and scaffold effects in perovskite solar cells† †Electronic supplementary information (ESI) available. See DOI: 10.1039/c6tc04639h Click here for additional data file.

1 Instituto de Ciencia de Materiales de Sevilla, CSIC, Avenida Américo Vespucio s/n, Isla de La Cartuja, 41092 Sevilla, Spain 2 Department of Physics, University of Oxford, Clarendon Laboratory, Parks Road, Oxford, X1 3PU, United Kingdom. 3 School of Chemistry, University of Lincoln, Beevor Street, Lincoln LN6 7DL, UK 4 Institute of Advanced Materials (INAM), Universitat Jaume I, 12006 Castelló...

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A polymer scaffold for self-healing perovskite solar cells

Advancing of the lead halide perovskite solar cells towards photovoltaic market demands large-scale devices of high-power conversion efficiency, high reproducibility and stability via low-cost fabrication technology, and in particular resistance to humid environment for long-time operation. Here we achieve uniform perovskite film based on a novel polymer-scaffold architecture via a mild-tempera...

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Planar perovskite solar cells using fullerene C70 as electron selective transport layer

Owing amongst other to its high electron mobility, fullerene C70, has been widely used as an electron transporting layer in organic solar cells. In this research, we report the use of C70 thin films as electron transport layers of planar perovskite solar cells (PSCs) using a conventional device structure. The thickness of the C70 layer has been optimized to achieve the best efficiency of 12%. I...

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One-Dimensional Electron Transport Layers for Perovskite Solar Cells

The electron diffusion length (Ln) is smaller than the hole diffusion length (Lp) in many halide perovskite semiconductors meaning that the use of ordered one-dimensional (1D) structures such as nanowires (NWs) and nanotubes (NTs) as electron transport layers (ETLs) is a promising method of achieving high performance halide perovskite solar cells (HPSCs). ETLs consisting of oriented and aligned...

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ژورنال

عنوان ژورنال: Journal of Materials Chemistry C

سال: 2017

ISSN: 2050-7526,2050-7534

DOI: 10.1039/c6tc04639h