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Effect of halide-mixing on tolerance factor and charge-carrier dynamics in (CH3NH3PbBr3-xClx) perovskites powders

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Effect of halide-mixing on tolerance factor and charge-carrier dynamics in (CH3NH3PbBr3-xClx) perovskites powders. / Siddique, Zumaira; Payne, Julia L.; Irvine, John T. S.; Jagadamma, Lethy K.; Akhter, Zareen; Samuel, Ifor D. W.; Iqbal, Azhar.

In: Journal of Materials Science: Materials in Electronics, 23.09.2020.

Research output: Contribution to journalArticlepeer-review

Harvard

Siddique, Z, Payne, JL, Irvine, JTS, Jagadamma, LK, Akhter, Z, Samuel, IDW & Iqbal, A 2020, 'Effect of halide-mixing on tolerance factor and charge-carrier dynamics in (CH3NH3PbBr3-xClx) perovskites powders', Journal of Materials Science: Materials in Electronics. https://doi.org/10.1007/s10854-020-04475-4

APA

Siddique, Z., Payne, J. L., Irvine, J. T. S., Jagadamma, L. K., Akhter, Z., Samuel, I. D. W., & Iqbal, A. (2020). Effect of halide-mixing on tolerance factor and charge-carrier dynamics in (CH3NH3PbBr3-xClx) perovskites powders. Journal of Materials Science: Materials in Electronics. https://doi.org/10.1007/s10854-020-04475-4

Vancouver

Siddique Z, Payne JL, Irvine JTS, Jagadamma LK, Akhter Z, Samuel IDW et al. Effect of halide-mixing on tolerance factor and charge-carrier dynamics in (CH3NH3PbBr3-xClx) perovskites powders. Journal of Materials Science: Materials in Electronics. 2020 Sep 23. https://doi.org/10.1007/s10854-020-04475-4

Author

Siddique, Zumaira ; Payne, Julia L. ; Irvine, John T. S. ; Jagadamma, Lethy K. ; Akhter, Zareen ; Samuel, Ifor D. W. ; Iqbal, Azhar. / Effect of halide-mixing on tolerance factor and charge-carrier dynamics in (CH3NH3PbBr3-xClx) perovskites powders. In: Journal of Materials Science: Materials in Electronics. 2020.

Bibtex - Download

@article{02cdec21e47846829d9b1f687e348222,
title = "Effect of halide-mixing on tolerance factor and charge-carrier dynamics in (CH3NH3PbBr3-xClx) perovskites powders",
abstract = "This work demonstrates a route to making mixed halide perovskite powders at room temperature by the anti-solvent-assisted crystallization method. Although, mixed halide CH3NH3PbBr3−xClx perovskites have been prepared by different methods, however, to the best of our knowledge the anti-solvent-assisted crystallization method is employed here for the first time to prepare mixed halide CH3NH3PbBr3−xClx perovskite powders. Solution-processed methyl ammonium lead tribromide CH3NH3PbBr3 (x = 0) and different amounts of chloride (Cl) containing mixed halide perovskites (CH3NH3PbBr3−xClx) were prepared for compositions of x = 0.5, 1, 1.25, 1.75. It reveals that bulk CH3NH3PbBr3−xClx samples are highly crystalline and exists in pure single cubic phase with an increased tolerance factor as compared to pure CH3NH3PbBr3. The CH3NH3PbBr3 perovskite has space-group Pm-3 m and a cell parameter of 5.930 {\AA} (volume = 206 {\AA}). The synthesis route adopted here gives access to hybrid perovskites powders with high Cl content and hence enables the band gap to be precisely tuned over a range from 2.26 to 2.49 eV. The powder samples display the subtle shifts in the emission spectra and the photoluminescence kinetics exhibits a decrease in average lifetime by increasing the Cl contents due to the presence of trap states in the structures that encourage non-radiative recombination of charge carrier. Conventionally, the CH3NH3PbBr3-based inverted solar cell architecture is prepared via mixing of the CH3NH3Br and PbBr2 precursors. In contrast, herein, the precursor solutions are directly prepared from the CH3NH3PbBr3 powder and the active layer of the inverted perovskite solar cells are then spin coated using this solution. The high Voc value of the fabricated solar cells potentially makes it a promising candidate for tandem photovoltaic, photocatalytic water splitting, and semi-transparent photovoltaic applications.",
keywords = "Solar-cells, 2-Step deposition, Hybrid perovskite, Quantum dots, Efficient, Route, Crystallization, Recombination, Nanocrystals, Diffusion",
author = "Zumaira Siddique and Payne, {Julia L.} and Irvine, {John T. S.} and Jagadamma, {Lethy K.} and Zareen Akhter and Samuel, {Ifor D. W.} and Azhar Iqbal",
note = "The authors are highly thankful for the financial support of Higher Education Commission (HEC) Pakistan through the equipment/research grants (6976/Federal/NRPU/R&D/HEC/2017), (20-3071/NRPU/R&D/HEC/13). Author ZS acknowledges HEC for indigenous PhD Fellowship Phase-II, Batch-II, 2013, PIN 213-66018-2PS2-127 and International Research Support Initiative Programme (IRSIP). Author LKJ acknowledges support from a Marie Sk{\l}odowska-Curie Individual Fellowship (European Commission) (MCIF: No. 745776).",
year = "2020",
month = sep,
day = "23",
doi = "10.1007/s10854-020-04475-4",
language = "English",
journal = "Journal of Materials Science: Materials in Electronics",
issn = "0957-4522",
publisher = "Springer",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Effect of halide-mixing on tolerance factor and charge-carrier dynamics in (CH3NH3PbBr3-xClx) perovskites powders

AU - Siddique, Zumaira

AU - Payne, Julia L.

AU - Irvine, John T. S.

AU - Jagadamma, Lethy K.

AU - Akhter, Zareen

AU - Samuel, Ifor D. W.

AU - Iqbal, Azhar

N1 - The authors are highly thankful for the financial support of Higher Education Commission (HEC) Pakistan through the equipment/research grants (6976/Federal/NRPU/R&D/HEC/2017), (20-3071/NRPU/R&D/HEC/13). Author ZS acknowledges HEC for indigenous PhD Fellowship Phase-II, Batch-II, 2013, PIN 213-66018-2PS2-127 and International Research Support Initiative Programme (IRSIP). Author LKJ acknowledges support from a Marie Skłodowska-Curie Individual Fellowship (European Commission) (MCIF: No. 745776).

PY - 2020/9/23

Y1 - 2020/9/23

N2 - This work demonstrates a route to making mixed halide perovskite powders at room temperature by the anti-solvent-assisted crystallization method. Although, mixed halide CH3NH3PbBr3−xClx perovskites have been prepared by different methods, however, to the best of our knowledge the anti-solvent-assisted crystallization method is employed here for the first time to prepare mixed halide CH3NH3PbBr3−xClx perovskite powders. Solution-processed methyl ammonium lead tribromide CH3NH3PbBr3 (x = 0) and different amounts of chloride (Cl) containing mixed halide perovskites (CH3NH3PbBr3−xClx) were prepared for compositions of x = 0.5, 1, 1.25, 1.75. It reveals that bulk CH3NH3PbBr3−xClx samples are highly crystalline and exists in pure single cubic phase with an increased tolerance factor as compared to pure CH3NH3PbBr3. The CH3NH3PbBr3 perovskite has space-group Pm-3 m and a cell parameter of 5.930 Å (volume = 206 Å). The synthesis route adopted here gives access to hybrid perovskites powders with high Cl content and hence enables the band gap to be precisely tuned over a range from 2.26 to 2.49 eV. The powder samples display the subtle shifts in the emission spectra and the photoluminescence kinetics exhibits a decrease in average lifetime by increasing the Cl contents due to the presence of trap states in the structures that encourage non-radiative recombination of charge carrier. Conventionally, the CH3NH3PbBr3-based inverted solar cell architecture is prepared via mixing of the CH3NH3Br and PbBr2 precursors. In contrast, herein, the precursor solutions are directly prepared from the CH3NH3PbBr3 powder and the active layer of the inverted perovskite solar cells are then spin coated using this solution. The high Voc value of the fabricated solar cells potentially makes it a promising candidate for tandem photovoltaic, photocatalytic water splitting, and semi-transparent photovoltaic applications.

AB - This work demonstrates a route to making mixed halide perovskite powders at room temperature by the anti-solvent-assisted crystallization method. Although, mixed halide CH3NH3PbBr3−xClx perovskites have been prepared by different methods, however, to the best of our knowledge the anti-solvent-assisted crystallization method is employed here for the first time to prepare mixed halide CH3NH3PbBr3−xClx perovskite powders. Solution-processed methyl ammonium lead tribromide CH3NH3PbBr3 (x = 0) and different amounts of chloride (Cl) containing mixed halide perovskites (CH3NH3PbBr3−xClx) were prepared for compositions of x = 0.5, 1, 1.25, 1.75. It reveals that bulk CH3NH3PbBr3−xClx samples are highly crystalline and exists in pure single cubic phase with an increased tolerance factor as compared to pure CH3NH3PbBr3. The CH3NH3PbBr3 perovskite has space-group Pm-3 m and a cell parameter of 5.930 Å (volume = 206 Å). The synthesis route adopted here gives access to hybrid perovskites powders with high Cl content and hence enables the band gap to be precisely tuned over a range from 2.26 to 2.49 eV. The powder samples display the subtle shifts in the emission spectra and the photoluminescence kinetics exhibits a decrease in average lifetime by increasing the Cl contents due to the presence of trap states in the structures that encourage non-radiative recombination of charge carrier. Conventionally, the CH3NH3PbBr3-based inverted solar cell architecture is prepared via mixing of the CH3NH3Br and PbBr2 precursors. In contrast, herein, the precursor solutions are directly prepared from the CH3NH3PbBr3 powder and the active layer of the inverted perovskite solar cells are then spin coated using this solution. The high Voc value of the fabricated solar cells potentially makes it a promising candidate for tandem photovoltaic, photocatalytic water splitting, and semi-transparent photovoltaic applications.

KW - Solar-cells

KW - 2-Step deposition

KW - Hybrid perovskite

KW - Quantum dots

KW - Efficient

KW - Route

KW - Crystallization

KW - Recombination

KW - Nanocrystals

KW - Diffusion

U2 - 10.1007/s10854-020-04475-4

DO - 10.1007/s10854-020-04475-4

M3 - Article

JO - Journal of Materials Science: Materials in Electronics

JF - Journal of Materials Science: Materials in Electronics

SN - 0957-4522

ER -

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