Efficient and Ambient-Air-Stable Solar Cell with Highly Oriented 2D@3D Perovskites

Tao Ye; Annalisa Bruno; Guifang Han; Teck Ming Koh; Jia Li; Nur Fadilah Jamaludin; Cesare Soci; Subodh G. Mhaisalkar; Wei Lin Leong

doi:10.1002/adfm.201801654

Efficient and Ambient-Air-Stable Solar Cell with Highly Oriented 2D@3D Perovskites

Tao Ye, Annalisa Bruno, Guifang Han, Teck Ming Koh, Jia Li, Nur Fadilah Jamaludin, Cesare Soci, Subodh G. Mhaisalkar, Wei Lin Leong

Nanyang Technological University

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

110 Scopus citations

Abstract

3D organic–inorganic lead halide perovskites have shown great potential in efficient photovoltaic devices. However, the low stability of the 3D perovskite layer and random arrangement of the perovskite crystals hinder its commercialization road. Herein, a highly oriented 2D@3D ((AVA)₂PbI₄@MAPbI₃) perovskite structure combining the advantages of both 2D and 3D perovskite is fabricated through an in situ route. The highest power conversion efficiency (PCE) of 18.0% is observed from a 2D@3D perovskite solar cell (PSC), and it also shows significantly enhanced device stability under both inert (90% of initial PCE for 32 d) and ambient conditions (72% of initial PCE for 20 d) without encapsulation. The high efficiency of 18.0% and nearly twofold improvement of device stability in ambient compared with pure 3D PSCs confirm that such 2D@3D perovskite structure is an effective strategy for high performance and increasing stability and thus will enable the timely commercialization of PSCs.

Original language	English
Article number	1801654
Journal	Advanced Functional Materials
Volume	28
Issue number	30
DOIs	https://doi.org/10.1002/adfm.201801654
State	Published - 25 Jul 2018
Externally published	Yes

Keywords

interfaces
organic lead halide perovskite
oriented perovskite
solar cells

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This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1002/adfm.201801654

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title = "Efficient and Ambient-Air-Stable Solar Cell with Highly Oriented 2D@3D Perovskites",

abstract = "3D organic–inorganic lead halide perovskites have shown great potential in efficient photovoltaic devices. However, the low stability of the 3D perovskite layer and random arrangement of the perovskite crystals hinder its commercialization road. Herein, a highly oriented 2D@3D ((AVA)2PbI4@MAPbI3) perovskite structure combining the advantages of both 2D and 3D perovskite is fabricated through an in situ route. The highest power conversion efficiency (PCE) of 18.0% is observed from a 2D@3D perovskite solar cell (PSC), and it also shows significantly enhanced device stability under both inert (90% of initial PCE for 32 d) and ambient conditions (72% of initial PCE for 20 d) without encapsulation. The high efficiency of 18.0% and nearly twofold improvement of device stability in ambient compared with pure 3D PSCs confirm that such 2D@3D perovskite structure is an effective strategy for high performance and increasing stability and thus will enable the timely commercialization of PSCs.",

keywords = "interfaces, organic lead halide perovskite, oriented perovskite, solar cells",

author = "Tao Ye and Annalisa Bruno and Guifang Han and Koh, {Teck Ming} and Jia Li and Jamaludin, {Nur Fadilah} and Cesare Soci and Mhaisalkar, {Subodh G.} and Leong, {Wei Lin}",

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year = "2018",

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doi = "10.1002/adfm.201801654",

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T1 - Efficient and Ambient-Air-Stable Solar Cell with Highly Oriented 2D@3D Perovskites

AU - Ye, Tao

AU - Bruno, Annalisa

AU - Han, Guifang

AU - Koh, Teck Ming

AU - Li, Jia

AU - Jamaludin, Nur Fadilah

AU - Soci, Cesare

AU - Mhaisalkar, Subodh G.

AU - Leong, Wei Lin

PY - 2018/7/25

Y1 - 2018/7/25

N2 - 3D organic–inorganic lead halide perovskites have shown great potential in efficient photovoltaic devices. However, the low stability of the 3D perovskite layer and random arrangement of the perovskite crystals hinder its commercialization road. Herein, a highly oriented 2D@3D ((AVA)2PbI4@MAPbI3) perovskite structure combining the advantages of both 2D and 3D perovskite is fabricated through an in situ route. The highest power conversion efficiency (PCE) of 18.0% is observed from a 2D@3D perovskite solar cell (PSC), and it also shows significantly enhanced device stability under both inert (90% of initial PCE for 32 d) and ambient conditions (72% of initial PCE for 20 d) without encapsulation. The high efficiency of 18.0% and nearly twofold improvement of device stability in ambient compared with pure 3D PSCs confirm that such 2D@3D perovskite structure is an effective strategy for high performance and increasing stability and thus will enable the timely commercialization of PSCs.

AB - 3D organic–inorganic lead halide perovskites have shown great potential in efficient photovoltaic devices. However, the low stability of the 3D perovskite layer and random arrangement of the perovskite crystals hinder its commercialization road. Herein, a highly oriented 2D@3D ((AVA)2PbI4@MAPbI3) perovskite structure combining the advantages of both 2D and 3D perovskite is fabricated through an in situ route. The highest power conversion efficiency (PCE) of 18.0% is observed from a 2D@3D perovskite solar cell (PSC), and it also shows significantly enhanced device stability under both inert (90% of initial PCE for 32 d) and ambient conditions (72% of initial PCE for 20 d) without encapsulation. The high efficiency of 18.0% and nearly twofold improvement of device stability in ambient compared with pure 3D PSCs confirm that such 2D@3D perovskite structure is an effective strategy for high performance and increasing stability and thus will enable the timely commercialization of PSCs.

KW - interfaces

KW - organic lead halide perovskite

KW - oriented perovskite

KW - solar cells

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DO - 10.1002/adfm.201801654

M3 - 文章

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JO - Advanced Functional Materials

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ER -

Efficient and Ambient-Air-Stable Solar Cell with Highly Oriented 2D@3D Perovskites

Abstract

Keywords

UN SDGs

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