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2020•Key engineering materialsOpen access

Progress in Preparation of Electron Transport Layer in Perovskite Solar Cell

Li Han, Yan Gao, Ying Kai Guo, Xing Gao, Wen He

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Abstract

Electron transport layer (ETL) plays an important role in improving the performance and stability of perovskite solar cells (PSCs). SnO2 is a good semiconductor material with high electromigration and wide band gap. TiO2 has the advantages of superior position of conducting band (CB), long electronic life and low preparation cost, so SnO2 and TiO2 are often used in ETL of PSCs. In this paper, the preparation progress of SnO2, TiO2 and SnO2/TiO2 composite ETL is reviewed.

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What this paper is about

Electron transport layer (ETL) plays an important role in improving the performance and stability of perovskite solar cells (PSCs). SnO2 is a good semiconductor material with high electromigration and wide band gap. TiO2 has the advantages of superior position of conducting band (CB), long electronic life and low preparation cost, so SnO2 and TiO2 are often used in ETL of PSCs. In this paper, the preparation progress of SnO2, TiO2 and SnO2/TiO2 composite ETL is reviewed.

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Available abstract

Electron transport layer (ETL) plays an important role in improving the performance and stability of perovskite solar cells (PSCs). SnO2 is a good semiconductor material with high electromigration and wide band gap. TiO2 has the advantages of superior position of conducting band (CB), long electronic life and low preparation cost, so SnO2 and TiO2 are often used in ETL of PSCs. In this paper, the preparation progress of SnO2, TiO2 and SnO2/TiO2 composite ETL is reviewed.

Key concepts: Materials science, Perovskite (structure), Layer (electronics), Semiconductor, Electromigration, Nanotechnology, Optoelectronics, Perovskite solar cell

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