In/Bi-based Direct- and Indirect-Gap Hybrid Double-Perovskite-Derived 1D Halides with Near-Unity Quantum Yield via Sb³⁺ Doping

Li, Ruiqian1; Zhou, Yifan2; Zhang, Xuanyu3; Lin, Jiawei1; Chen, Jian1; Chen, Congcong1; Pan, Xin1; Wang, Pan1; Chen, Rui3; Yin, Jun2; Mao, Lingling1

2023-10-25

10.1021/acs.chemmater.3c02183

CHEMISTRY OF MATERIALS   影响因子和分区

0897-4756

1520-5002

The hybrid halide double-perovskite family is a highly diverse system that allows a wide range of property tunings via structural variations. Using organic components instead of small A-site cations to reduce the dimensionality of the structure and doping metal cations can modulate their structure and improve the optoelectronic performance. Here, by introducing an organic cationic ligand morpholine (Mor), we report on a new family of double-perovskite-derived halides (Mor)(2)ABX(6) (A = Na, K; B = In, Bi; X = Cl, Br) with several unique types of one-dimensional (1D) structures constituted by [AX(4)O(2)] and [BX6] octahedron units. These materials are nonemissive at room temperature, while with an Sb3+-doping strategy, the photoluminescence can be drastically enhanced. For (Mor)(2)KInX6, their quantum efficiencies are improved to near unity via Sb3+ doping. Meanwhile, for (Mor)(2)KBiX6, the photoluminescence improvement from Sb3+ doping is negligible. With density functional theory calculations, (Mor)(2)KInBr6 and (Mor)(2)KBiBr6 have been identified to have direct- and indirect- band gap, respectively. This work expands a new material space for organic-inorganic hybrid double-perovskite-derived materials and provides insights into tuning their optical properties.

SCI ; EI

英语

第一 ; 通讯

National Natural Science Foundation of China (NSFC)[22275077] ; Stable Support Plan Program of Shenzhen Natural Science Fund[20220814233319001] ; Hong Kong Polytechnic University[P0042930] ; Research Grants Council of the Hong Kong Special Administrative Region, China[PolyU 25300823]

Chemistry ; Materials Science

Chemistry, Physical ; Materials Science, Multidisciplinary

WOS:001105103200001

AMER CHEMICAL SOC

20234815116724

Density functional theory ; Energy gap ; Optical properties ; organic-inorganic materials ; Perovskite ; Positive ions

Minerals:482.2 ; Light/Optics:741.1 ; Probability Theory:922.1 ; Atomic and Molecular Physics:931.3 ; Quantum Theory; Quantum Mechanics:931.4

MATERIALS SCIENCE

Web of Science

1.Southern Univ Sci & Technol, Dept Chem, Shenzhen 518055, Peoples R China
2.Hong Kong Polytech Univ, Dept Appl Phys, Hung Hom, Hong Kong 999077, Peoples R China
3.Southern Univ Sci & Technol, Dept Elect & Elect Engn, Shenzhen 518055, Peoples R China

Li, Ruiqian,Zhou, Yifan,Zhang, Xuanyu,et al. In/Bi-based Direct- and Indirect-Gap Hybrid Double-Perovskite-Derived 1D Halides with Near-Unity Quantum Yield via Sb³⁺ Doping[J]. CHEMISTRY OF MATERIALS,2023,35(21):9362-9369.

Li, Ruiqian.,Zhou, Yifan.,Zhang, Xuanyu.,Lin, Jiawei.,Chen, Jian.,...&Mao, Lingling.(2023).In/Bi-based Direct- and Indirect-Gap Hybrid Double-Perovskite-Derived 1D Halides with Near-Unity Quantum Yield via Sb³⁺ Doping.CHEMISTRY OF MATERIALS,35(21),9362-9369.

Li, Ruiqian,et al."In/Bi-based Direct- and Indirect-Gap Hybrid Double-Perovskite-Derived 1D Halides with Near-Unity Quantum Yield via Sb³⁺ Doping".CHEMISTRY OF MATERIALS 35.21(2023):9362-9369.