Publication

Sub-Nanometer Conformal TiO2 Blocking Layer for High Efficiency Solid-State Perovskite Absorber Solar Cells

Michael Graetzel, Mohammad Khaja Nazeeruddin, Peng Gao, Aswani Yella, Aravind Kumar Chandiran, Matthew Thomas Mayer
2014
Journal paper

Abstract

A mere 2 nm conformal titanium dioxide overlayer coated by atomic layer deposition is shown to act as a blocking layer for high-efficiency solid-state perovskite (CH3NH3PbI3) absorber-based solar cells. Surpassing the existing multilayer passivation, this ultrathin sub-nanometer layer leads to a photovoltaic power conversion efficiency of 11.5%.

Official source

https://infoscience.epfl.ch/record/201226?ln=en

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Sub-Nanometer Conformal TiO2 Blocking Layer for High Efficiency Solid-State Perovskite Absorber Solar Cells

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