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Exploring the Properties of Niobium Oxide Films for Electron Transport Layers in Perovskite Solar Cells.

ABSTRACT: In this work, niobium oxide films were deposited by reactive magnetron sputtering under different oxygen flow rate and applied as electron transport layer in perovskite solar cells. It was found that the deposition made using 3.5 sccm of oxygen flow resulted in films with better electrical properties which helped the extraction of the photogenerated electrons to the external circuit, improving the Jsc and consequently the device efficiency. In addition, by photoluminescence measurements, we found a better charge transfer from perovskite to TiO2/niobium oxide film deposited at 3.5 sccm of oxygen flow.

SUBMITTER: Fernandes SL

PROVIDER: S-EPMC6372548 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature

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Exploring the Properties of Niobium Oxide Films for Electron Transport Layers in Perovskite Solar Cells.

Fernandes Silvia Leticia SL Albano Luiz Gustavo Simão LGS Affonço Lucas Jorge LJ da Silva José Humberto Dias JHD Longo Elson E Graeff Carlos Frederico de Oliveira CFO

Frontiers in chemistry 20190206

In this work, niobium oxide films were deposited by reactive magnetron sputtering under different oxygen flow rate and applied as electron transport layer in perovskite solar cells. It was found that the deposition made using 3.5 sccm of oxygen flow resulted in films with better electrical properties which helped the extraction of the photogenerated electrons to the external circuit, improving the J<sub>sc</sub> and consequently the device efficiency. In addition, by photoluminescence measuremen ...[more]

PMID: 30788340

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