Mixed Dimethylammonium/Methylammonium Lead Halide Perovskite Crystals for Improved Structural Stability and Enhanced Photodetection

Aniruddha Ray; Beatriz Martín-García; Anna Moliterni; Nicola Casati; Karunakara Moorthy Boopathi; Davide Spirito; Luca Goldoni; Mirko Prato; Carlotta Giacobbe; Cinzia Giannini; Francesco Di Stasio; Roman Krahne; Liberato Manna; Ahmed L. Abdelhady

doi:10.1002/adma.202106160

Mixed Dimethylammonium/Methylammonium Lead Halide Perovskite Crystals for Improved Structural Stability and Enhanced Photodetection

Aniruddha Ray, Beatriz Martín-García, Anna Moliterni, Nicola Casati, Karunakara Moorthy Boopathi, Davide Spirito, Luca Goldoni, Mirko Prato, Carlotta Giacobbe, Cinzia Giannini, Francesco Di Stasio, Roman Krahne, Liberato Manna, Ahmed L. Abdelhady

Chemistry

Research output: Contribution to journal › Article › peer-review

24 Scopus citations

Abstract

The solvent acidolysis crystallization technique is utilized to grow mixed dimethylammonium/methylammonium lead tribromide (DMA/MAPbBr₃) crystals reaching the highest dimethylammonium incorporation of 44% while maintaining the 3D cubic perovskite phase. These mixed perovskite crystals show suppression of the orthorhombic phase and a lower tetragonal-to-cubic phase-transition temperature compared to MAPbBr₃. A distinct behavior is observed in the temperature-dependent photoluminescence properties of MAPbBr₃ and mixed DMA/MAPbBr₃ crystals due to the different organic cation dynamics governing the phase transition(s). Furthermore, lateral photodetectors based on these crystals show that, at room temperature, the mixed crystals possess higher detectivity compared to MAPbBr₃ crystals caused by structural compression and reduced surface trap density. Remarkably, the mixed-crystal devices exhibit large enhancement in their detectivity below the phase-transition temperature (at 200 K), while for the MAPbBr₃ devices only insignificant changes are observed. The high detectivity of the mixed crystals makes them attractive for visible-light communication and for space applications. The results highlight the importance of the synthetic technique for compositional engineering of halide perovskites that governs their structural and optoelectronic properties.

Original language	British English
Article number	2106160
Journal	Advanced Materials
Volume	34
Issue number	7
DOIs	https://doi.org/10.1002/adma.202106160
State	Published - 17 Feb 2022

Keywords

dimethylammonium
perovskite crystals | perovskites
photodetectors
temperature-dependent properties

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10.1002/adma.202106160

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Ray, A., Martín-García, B., Moliterni, A., Casati, N., Boopathi, K. M., Spirito, D., Goldoni, L., Prato, M., Giacobbe, C., Giannini, C., Di Stasio, F., Krahne, R., Manna, L., & Abdelhady, A. L. (2022). Mixed Dimethylammonium/Methylammonium Lead Halide Perovskite Crystals for Improved Structural Stability and Enhanced Photodetection. Advanced Materials, 34(7), Article 2106160. https://doi.org/10.1002/adma.202106160

@article{eb97c85f7add45b980c4c973951a4856,

title = "Mixed Dimethylammonium/Methylammonium Lead Halide Perovskite Crystals for Improved Structural Stability and Enhanced Photodetection",

abstract = "The solvent acidolysis crystallization technique is utilized to grow mixed dimethylammonium/methylammonium lead tribromide (DMA/MAPbBr3) crystals reaching the highest dimethylammonium incorporation of 44% while maintaining the 3D cubic perovskite phase. These mixed perovskite crystals show suppression of the orthorhombic phase and a lower tetragonal-to-cubic phase-transition temperature compared to MAPbBr3. A distinct behavior is observed in the temperature-dependent photoluminescence properties of MAPbBr3 and mixed DMA/MAPbBr3 crystals due to the different organic cation dynamics governing the phase transition(s). Furthermore, lateral photodetectors based on these crystals show that, at room temperature, the mixed crystals possess higher detectivity compared to MAPbBr3 crystals caused by structural compression and reduced surface trap density. Remarkably, the mixed-crystal devices exhibit large enhancement in their detectivity below the phase-transition temperature (at 200 K), while for the MAPbBr3 devices only insignificant changes are observed. The high detectivity of the mixed crystals makes them attractive for visible-light communication and for space applications. The results highlight the importance of the synthetic technique for compositional engineering of halide perovskites that governs their structural and optoelectronic properties.",

keywords = "dimethylammonium, perovskite crystals | perovskites, photodetectors, temperature-dependent properties",

author = "Aniruddha Ray and Beatriz Mart{\'i}n-Garc{\'i}a and Anna Moliterni and Nicola Casati and Boopathi, {Karunakara Moorthy} and Davide Spirito and Luca Goldoni and Mirko Prato and Carlotta Giacobbe and Cinzia Giannini and {Di Stasio}, Francesco and Roman Krahne and Liberato Manna and Abdelhady, {Ahmed L.}",

note = "Funding Information: The authors thank Dr. F. Baldassarre and R. Lassandro for their technical assistance and Dr. B. M. Aresta for the administrative support. B.M.‐G. thanks Gipuzkoa Council (Spain) in the frame of Gipuzkoa Fellows Program and the support by the Spanish MICINN under Project PID2019‐108153GA‐I00 and under the Mar{\'i}a de Maeztu Units of Excellence Programme (MDM‐2016‐0618). Publisher Copyright: {\textcopyright} 2022 Wiley-VCH GmbH.",

year = "2022",

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doi = "10.1002/adma.202106160",

language = "British English",

volume = "34",

journal = "Advanced Materials",

issn = "0935-9648",

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Ray, A, Martín-García, B, Moliterni, A, Casati, N, Boopathi, KM, Spirito, D, Goldoni, L, Prato, M, Giacobbe, C, Giannini, C, Di Stasio, F, Krahne, R, Manna, L & Abdelhady, AL 2022, 'Mixed Dimethylammonium/Methylammonium Lead Halide Perovskite Crystals for Improved Structural Stability and Enhanced Photodetection', Advanced Materials, vol. 34, no. 7, 2106160. https://doi.org/10.1002/adma.202106160

TY - JOUR

T1 - Mixed Dimethylammonium/Methylammonium Lead Halide Perovskite Crystals for Improved Structural Stability and Enhanced Photodetection

AU - Ray, Aniruddha

AU - Martín-García, Beatriz

AU - Moliterni, Anna

AU - Casati, Nicola

AU - Boopathi, Karunakara Moorthy

AU - Spirito, Davide

AU - Goldoni, Luca

AU - Prato, Mirko

AU - Giacobbe, Carlotta

AU - Giannini, Cinzia

AU - Di Stasio, Francesco

AU - Krahne, Roman

AU - Manna, Liberato

AU - Abdelhady, Ahmed L.

N1 - Funding Information: The authors thank Dr. F. Baldassarre and R. Lassandro for their technical assistance and Dr. B. M. Aresta for the administrative support. B.M.‐G. thanks Gipuzkoa Council (Spain) in the frame of Gipuzkoa Fellows Program and the support by the Spanish MICINN under Project PID2019‐108153GA‐I00 and under the María de Maeztu Units of Excellence Programme (MDM‐2016‐0618). Publisher Copyright: © 2022 Wiley-VCH GmbH.

PY - 2022/2/17

Y1 - 2022/2/17

N2 - The solvent acidolysis crystallization technique is utilized to grow mixed dimethylammonium/methylammonium lead tribromide (DMA/MAPbBr3) crystals reaching the highest dimethylammonium incorporation of 44% while maintaining the 3D cubic perovskite phase. These mixed perovskite crystals show suppression of the orthorhombic phase and a lower tetragonal-to-cubic phase-transition temperature compared to MAPbBr3. A distinct behavior is observed in the temperature-dependent photoluminescence properties of MAPbBr3 and mixed DMA/MAPbBr3 crystals due to the different organic cation dynamics governing the phase transition(s). Furthermore, lateral photodetectors based on these crystals show that, at room temperature, the mixed crystals possess higher detectivity compared to MAPbBr3 crystals caused by structural compression and reduced surface trap density. Remarkably, the mixed-crystal devices exhibit large enhancement in their detectivity below the phase-transition temperature (at 200 K), while for the MAPbBr3 devices only insignificant changes are observed. The high detectivity of the mixed crystals makes them attractive for visible-light communication and for space applications. The results highlight the importance of the synthetic technique for compositional engineering of halide perovskites that governs their structural and optoelectronic properties.

AB - The solvent acidolysis crystallization technique is utilized to grow mixed dimethylammonium/methylammonium lead tribromide (DMA/MAPbBr3) crystals reaching the highest dimethylammonium incorporation of 44% while maintaining the 3D cubic perovskite phase. These mixed perovskite crystals show suppression of the orthorhombic phase and a lower tetragonal-to-cubic phase-transition temperature compared to MAPbBr3. A distinct behavior is observed in the temperature-dependent photoluminescence properties of MAPbBr3 and mixed DMA/MAPbBr3 crystals due to the different organic cation dynamics governing the phase transition(s). Furthermore, lateral photodetectors based on these crystals show that, at room temperature, the mixed crystals possess higher detectivity compared to MAPbBr3 crystals caused by structural compression and reduced surface trap density. Remarkably, the mixed-crystal devices exhibit large enhancement in their detectivity below the phase-transition temperature (at 200 K), while for the MAPbBr3 devices only insignificant changes are observed. The high detectivity of the mixed crystals makes them attractive for visible-light communication and for space applications. The results highlight the importance of the synthetic technique for compositional engineering of halide perovskites that governs their structural and optoelectronic properties.

KW - dimethylammonium

KW - perovskite crystals | perovskites

KW - photodetectors

KW - temperature-dependent properties

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DO - 10.1002/adma.202106160

M3 - Article

C2 - 34856033

AN - SCOPUS:85122690080

SN - 0935-9648

VL - 34

JO - Advanced Materials

JF - Advanced Materials

IS - 7

M1 - 2106160

ER -

Mixed Dimethylammonium/Methylammonium Lead Halide Perovskite Crystals for Improved Structural Stability and Enhanced Photodetection

Abstract

Keywords

UN SDGs

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