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Nano-structured TiO2 grown by low-temperature reactive sputtering for planar perovskite solar cells

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Nano-structured TiO2 grown by low-temperature reactive sputtering for planar perovskite solar cells. / Alberti, Alessandra; Smecca, Emanuele; Sanzaro, Salvatore; Bongiorno, Corrado; Giannazzo, Filippo; Mannino, Giovanni; La Magna, Antonino; Liu, Maning; Vivo, Paola; Listorti, Andrea; Calabro', Emanuele; Matteocci, Fabio ; Di Carlo, Aldo.

In: ACS Applied Energy Materials, Vol. 2, No. 9, 16.08.2019, p. 6218-6229.

Research output: Contribution to journalArticleScientificpeer-review

Harvard

Alberti, A, Smecca, E, Sanzaro, S, Bongiorno, C, Giannazzo, F, Mannino, G, La Magna, A, Liu, M, Vivo, P, Listorti, A, Calabro', E, Matteocci, F & Di Carlo, A 2019, 'Nano-structured TiO2 grown by low-temperature reactive sputtering for planar perovskite solar cells', ACS Applied Energy Materials, vol. 2, no. 9, pp. 6218-6229. https://doi.org/10.1021/acsaem.9b00708

APA

Alberti, A., Smecca, E., Sanzaro, S., Bongiorno, C., Giannazzo, F., Mannino, G., ... Di Carlo, A. (2019). Nano-structured TiO2 grown by low-temperature reactive sputtering for planar perovskite solar cells. ACS Applied Energy Materials, 2(9), 6218-6229. https://doi.org/10.1021/acsaem.9b00708

Vancouver

Alberti A, Smecca E, Sanzaro S, Bongiorno C, Giannazzo F, Mannino G et al. Nano-structured TiO2 grown by low-temperature reactive sputtering for planar perovskite solar cells. ACS Applied Energy Materials. 2019 Aug 16;2(9):6218-6229. https://doi.org/10.1021/acsaem.9b00708

Author

Alberti, Alessandra ; Smecca, Emanuele ; Sanzaro, Salvatore ; Bongiorno, Corrado ; Giannazzo, Filippo ; Mannino, Giovanni ; La Magna, Antonino ; Liu, Maning ; Vivo, Paola ; Listorti, Andrea ; Calabro', Emanuele ; Matteocci, Fabio ; Di Carlo, Aldo. / Nano-structured TiO2 grown by low-temperature reactive sputtering for planar perovskite solar cells. In: ACS Applied Energy Materials. 2019 ; Vol. 2, No. 9. pp. 6218-6229.

Bibtex - Download

@article{865c48af369e4feb96dd1ad5842e74f0,
title = "Nano-structured TiO2 grown by low-temperature reactive sputtering for planar perovskite solar cells",
abstract = "Low-temperature nanostructured electron-transporting layers (ETLs) for perovskite solar cells are grown by reactive sputtering at 160 °C with thickness in the range 22–76 nm and further stabilization in air at 180 °C to improve the lattice structure and to consequently reduce charge recombination during solar cell operation. In addition, the post-deposition treatment aims at leveling differences among samples to ensure material reproducibility. Nanostructured TiO2 has a further added value in promoting the structural coupling with the perovskite layer and establishing conformal interfaces in favor of the charge extraction from the active material. Nanostructuring of the ETLs also allows the shaping of the band gap width and position with a beneficial impact on the electrical parameters, as tested in standard architecture containing methylammonium lead iodide perovskites. A balance among parameters is achieved using a 40-nm-thick TiO2 ETL with a maximum efficiency of ∼15{\%} reached without surface treatments or additional layers. The proposed growth methodology would be compatible with the use of flexible substrates after appropriated ETL structural adaptation. It can be likewise applied in perovskite/silicon-heterojunction tandem solar cells to fulfill the industrial demand for clean, solvent-free, reproducible, reliable, and high-throughput processes.",
author = "Alessandra Alberti and Emanuele Smecca and Salvatore Sanzaro and Corrado Bongiorno and Filippo Giannazzo and Giovanni Mannino and {La Magna}, Antonino and Maning Liu and Paola Vivo and Andrea Listorti and Emanuele Calabro' and Fabio Matteocci and {Di Carlo}, Aldo",
year = "2019",
month = "8",
day = "16",
doi = "10.1021/acsaem.9b00708",
language = "English",
volume = "2",
pages = "6218--6229",
journal = "ACS Applied Energy Materials",
issn = "2574-0962",
publisher = "American Chemical Society",
number = "9",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Nano-structured TiO2 grown by low-temperature reactive sputtering for planar perovskite solar cells

AU - Alberti, Alessandra

AU - Smecca, Emanuele

AU - Sanzaro, Salvatore

AU - Bongiorno, Corrado

AU - Giannazzo, Filippo

AU - Mannino, Giovanni

AU - La Magna, Antonino

AU - Liu, Maning

AU - Vivo, Paola

AU - Listorti, Andrea

AU - Calabro', Emanuele

AU - Matteocci, Fabio

AU - Di Carlo, Aldo

PY - 2019/8/16

Y1 - 2019/8/16

N2 - Low-temperature nanostructured electron-transporting layers (ETLs) for perovskite solar cells are grown by reactive sputtering at 160 °C with thickness in the range 22–76 nm and further stabilization in air at 180 °C to improve the lattice structure and to consequently reduce charge recombination during solar cell operation. In addition, the post-deposition treatment aims at leveling differences among samples to ensure material reproducibility. Nanostructured TiO2 has a further added value in promoting the structural coupling with the perovskite layer and establishing conformal interfaces in favor of the charge extraction from the active material. Nanostructuring of the ETLs also allows the shaping of the band gap width and position with a beneficial impact on the electrical parameters, as tested in standard architecture containing methylammonium lead iodide perovskites. A balance among parameters is achieved using a 40-nm-thick TiO2 ETL with a maximum efficiency of ∼15% reached without surface treatments or additional layers. The proposed growth methodology would be compatible with the use of flexible substrates after appropriated ETL structural adaptation. It can be likewise applied in perovskite/silicon-heterojunction tandem solar cells to fulfill the industrial demand for clean, solvent-free, reproducible, reliable, and high-throughput processes.

AB - Low-temperature nanostructured electron-transporting layers (ETLs) for perovskite solar cells are grown by reactive sputtering at 160 °C with thickness in the range 22–76 nm and further stabilization in air at 180 °C to improve the lattice structure and to consequently reduce charge recombination during solar cell operation. In addition, the post-deposition treatment aims at leveling differences among samples to ensure material reproducibility. Nanostructured TiO2 has a further added value in promoting the structural coupling with the perovskite layer and establishing conformal interfaces in favor of the charge extraction from the active material. Nanostructuring of the ETLs also allows the shaping of the band gap width and position with a beneficial impact on the electrical parameters, as tested in standard architecture containing methylammonium lead iodide perovskites. A balance among parameters is achieved using a 40-nm-thick TiO2 ETL with a maximum efficiency of ∼15% reached without surface treatments or additional layers. The proposed growth methodology would be compatible with the use of flexible substrates after appropriated ETL structural adaptation. It can be likewise applied in perovskite/silicon-heterojunction tandem solar cells to fulfill the industrial demand for clean, solvent-free, reproducible, reliable, and high-throughput processes.

U2 - 10.1021/acsaem.9b00708

DO - 10.1021/acsaem.9b00708

M3 - Article

VL - 2

SP - 6218

EP - 6229

JO - ACS Applied Energy Materials

JF - ACS Applied Energy Materials

SN - 2574-0962

IS - 9

ER -