DataVXACS Energy LettersPaper
journal article·2021-05-14

Light-Emitting Diodes with Manganese Halide Tetrahedron Embedded in Anti-Perovskites

Siyu Yan, Kaixin Tang, Yuejian Lin, Yuanhang Ren, Wanli Tian, Hua Chen, Tingting Lin, Longzhen Qiu, Xiaoyong Pan, Weizhi Wang

ACS Energy Letters· Volume 6· Issue 5
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Source abstract

Abstract

The formability of antiperovskite [MX4]XA3-type (A(I) = alkali metals; M(II) = transition metals; X = Cl, Br, I) can be predicted by building the analysis theory. To validate the prediction model, a series of cesium–manganese antiperovskite single crystals with different halogen mixing ratios were synthesized, which not only have [MX4]XA3-type structures but also are ideal luminescent materials. As the most pure green emission fluorescent antiperovskite, [MnCl2Br2]BrCs3 shows 520 nm emission with the high photoluminescence quantum yield (93.5%) at room temperature and ultrastable luminescent color from 77 to 523 K due to the strict confinement of high-density luminescent centers. By fabricating the perovskite film with the double-source thermal evaporation method, the first all-inorganic cesium–manganese halide antiperovskite light-emitting diode is reported, with maximum external quantum efficiency up to 12.5%, maximum luminance up to 3990 cd m–2, and half-life of 756 min operated at 5.0 V.
Source: openalex_inverted_index · Quality: baseline

Research context

Electronic materials

OpenAlex topics: Perovskite Materials and Applications · Thermal Expansion and Ionic Conductivity · Solid-state spectroscopy and crystallography

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

State Key Laboratory of Molecular Engineering of Polymers, Collaborative Innovation Center of Polymers and Polymer Composite Materials, Department of Macromolecular Science, Fudan University, Shanghai 200433, P. R. China

Advanced Materials Laboratory, Department of Chemistry, Fudan University, Shanghai 200433, P. R. China

Institute of Materials Research and Engineering, A*STAR (Agency for Science, Technology and Research), 2 Fusionopolis Way, Innovis, Singapore 138634, Singapore

National Engineering Lab of Special Display Technology, State Key Lab of Advanced Display Technology, Academy of Optoelectronic Technology, Hefei University of Technology, Hefei 230009, China

School of Material & Science Engineering, Nanyang Technological University, 62 Nanyang Drive, Singapore 637459, Singapore

Funding

Natural Science Foundation of Shanghai · Shanghai Municipal Education Commission · National Natural Science Foundation of China

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